* v2.6.20-rt1, yum/rpm
@ 2007-02-05 6:56 Ingo Molnar
2007-02-05 9:18 ` Serge Belyshev
` (11 more replies)
0 siblings, 12 replies; 27+ messages in thread
From: Ingo Molnar @ 2007-02-05 6:56 UTC (permalink / raw)
To: linux-kernel; +Cc: linux-rt-users
i have released the v2.6.20-rt1 kernel, which can be downloaded from the
usual place:
http://redhat.com/~mingo/realtime-preempt/
more info about the -rt patchset can be found in the RT wiki:
http://rt.wiki.kernel.org
This is a fixes-only release. Since the -rt tree has been closely
tracking Linus' upstream kernel since -rc1, no new issues are expected -
please re-report if anything is still unfixed.
There are lots of changes relative to 2.6.19-rt6 (the last stable
release), but these are mostly fixes and other gradual improvements. KVM
is now enabled in the yum kernel on both i686 and x86_64 (and has been
enabled since around -rc1-rt1), the -rt tree tracks kvm-trunk (which is
a bit fresher than upstream KVM) and has a few additional paravirt
speedups implemented and enabled.
to build a 2.6.20-rt1 tree, the following patches should be applied:
http://kernel.org/pub/linux/kernel/v2.6/linux-2.6.20.tar.bz2
http://redhat.com/~mingo/realtime-preempt/patch-2.6.20-rt1
the -rt YUM repository for Fedora Core 6 and 5, for architectures i686
and x86_64 can be activated via:
cd /etc/yum.repos.d
wget http://people.redhat.com/~mingo/realtime-preempt/rt.repo
yum install kernel-rt.x86_64 # on x86_64
yum install kernel-rt # on i686
yum update kernel-rt # refresh - or enable yum-updatesd
as usual, bugreports, fixes and suggestions are welcome,
Ingo
^ permalink raw reply [flat|nested] 27+ messages in thread
* Re: v2.6.20-rt1, yum/rpm
2007-02-05 9:18 ` Serge Belyshev
@ 2007-02-05 9:02 ` Ingo Molnar
0 siblings, 0 replies; 27+ messages in thread
From: Ingo Molnar @ 2007-02-05 9:02 UTC (permalink / raw)
To: Serge Belyshev; +Cc: linux-kernel, linux-rt-users
* Serge Belyshev <belyshev@depni.sinp.msu.ru> wrote:
> Ingo Molnar <mingo@elte.hu> writes:
>
> > i have released the v2.6.20-rt1 kernel, which can be downloaded from
> > the usual place:
>
> I did not find tarball with split patches there. Could you please make
> it available somewhere via http or ftp?
it basically consists of the -hrt queue, the GTOD queue (both are
available in -mm) plus the rest of -rt in a mostly monolithic fashion. I
dont really want to post it in a queue form because most of the time
it's not bisectable, etc. It's really an internal thing - i do my
development on the full tree, so that's the primary source form anyway.
Ingo
^ permalink raw reply [flat|nested] 27+ messages in thread
* Re: v2.6.20-rt1, yum/rpm
2007-02-05 6:56 v2.6.20-rt1, yum/rpm Ingo Molnar
@ 2007-02-05 9:18 ` Serge Belyshev
2007-02-05 9:02 ` Ingo Molnar
2007-02-05 10:36 ` Sunil Naidu
` (10 subsequent siblings)
11 siblings, 1 reply; 27+ messages in thread
From: Serge Belyshev @ 2007-02-05 9:18 UTC (permalink / raw)
To: Ingo Molnar; +Cc: linux-kernel, linux-rt-users
Ingo Molnar <mingo@elte.hu> writes:
> i have released the v2.6.20-rt1 kernel, which can be downloaded from the
> usual place:
I did not find tarball with split patches there.
Could you please make it available somewhere via http or ftp?
^ permalink raw reply [flat|nested] 27+ messages in thread
* Re: v2.6.20-rt1, yum/rpm
2007-02-05 10:42 ` Peter Zijlstra
@ 2007-02-05 10:22 ` Ingo Molnar
2007-02-05 11:15 ` Sunil Naidu
1 sibling, 0 replies; 27+ messages in thread
From: Ingo Molnar @ 2007-02-05 10:22 UTC (permalink / raw)
To: Peter Zijlstra; +Cc: Sunil Naidu, linux-kernel, linux-rt-users
* Peter Zijlstra <a.p.zijlstra@chello.nl> wrote:
> > But here is an interesting dmesg:
> >
> > rcu_boost_dat: idx=1 b=0 ul=0 ub=0 boost: a=0 b=0
> > rcu_boost_dat block: 0 0 0 0?
> > rcu_boost_dat boost: 0! 0 0 0?
> > rcu_boost_dat unlock: 0? 0 0 0?
> >
> > I didn'tunderstand this with ? Am I missing anything here or please
> > give some inputs.
>
> That is Paul McKenney's RCU priority boosting stuff.
yeah, those messages are diagnostic. You can turn them off by disabling
CONFIG_PREEMPT_RCU_BOOST_STATS.
Ingo
^ permalink raw reply [flat|nested] 27+ messages in thread
* Re: v2.6.20-rt1, yum/rpm
2007-02-05 6:56 v2.6.20-rt1, yum/rpm Ingo Molnar
2007-02-05 9:18 ` Serge Belyshev
@ 2007-02-05 10:36 ` Sunil Naidu
2007-02-05 10:42 ` Peter Zijlstra
2007-02-05 12:59 ` Michal Piotrowski
` (9 subsequent siblings)
11 siblings, 1 reply; 27+ messages in thread
From: Sunil Naidu @ 2007-02-05 10:36 UTC (permalink / raw)
To: Ingo Molnar; +Cc: linux-kernel, linux-rt-users
On 2/5/07, Ingo Molnar <mingo@elte.hu> wrote:
> i have released the v2.6.20-rt1 kernel, which can be downloaded from the
> usual place:
Clean boot for me with 2.6.20 & 2.6.20-rt1. There isn't any error
(like in 2.6.20-rc7-rt3).
But here is an interesting dmesg:
rcu_boost_dat: idx=1 b=0 ul=0 ub=0 boost: a=0 b=0
rcu_boost_dat block: 0 0 0 0?
rcu_boost_dat boost: 0! 0 0 0?
rcu_boost_dat unlock: 0? 0 0 0?
I didn'tunderstand this with ? Am I missing anything here or please
give some inputs.
Complete dmesg:-
Linux version 2.6.20-rt1-Topol (root@Typhoon) (gcc version 4.1.1
20070105 (Red Hat 4.1.1-51)) #1 SMP PREEMPT Mon Feb 5 15:28:07 IST
2007
BIOS-provided physical RAM map:
sanitize start
sanitize end
copy_e820_map() start: 0000000000000000 size: 000000000009fc00 end:
000000000009fc00 type: 1
copy_e820_map() type is E820_RAM
copy_e820_map() start: 000000000009fc00 size: 0000000000000400 end:
00000000000a0000 type: 2
copy_e820_map() start: 00000000000e6000 size: 000000000001a000 end:
0000000000100000 type: 2
copy_e820_map() start: 0000000000100000 size: 000000001f62f800 end:
000000001f72f800 type: 1
copy_e820_map() type is E820_RAM
copy_e820_map() start: 000000001f72f800 size: 0000000000000800 end:
000000001f730000 type: 4
copy_e820_map() start: 000000001f730000 size: 0000000000010000 end:
000000001f740000 type: 3
copy_e820_map() start: 000000001f740000 size: 00000000000b0000 end:
000000001f7f0000 type: 4
copy_e820_map() start: 000000001f7f0000 size: 0000000000010000 end:
000000001f800000 type: 2
copy_e820_map() start: 00000000e0000000 size: 0000000010000000 end:
00000000f0000000 type: 2
copy_e820_map() start: 00000000fed13000 size: 0000000000007000 end:
00000000fed1a000 type: 2
copy_e820_map() start: 00000000fed1c000 size: 0000000000084000 end:
00000000feda0000 type: 2
BIOS-e820: 0000000000000000 - 000000000009fc00 (usable)
BIOS-e820: 000000000009fc00 - 00000000000a0000 (reserved)
BIOS-e820: 00000000000e6000 - 0000000000100000 (reserved)
BIOS-e820: 0000000000100000 - 000000001f72f800 (usable)
BIOS-e820: 000000001f72f800 - 000000001f730000 (ACPI NVS)
BIOS-e820: 000000001f730000 - 000000001f740000 (ACPI data)
BIOS-e820: 000000001f740000 - 000000001f7f0000 (ACPI NVS)
BIOS-e820: 000000001f7f0000 - 000000001f800000 (reserved)
BIOS-e820: 00000000e0000000 - 00000000f0000000 (reserved)
BIOS-e820: 00000000fed13000 - 00000000fed1a000 (reserved)
BIOS-e820: 00000000fed1c000 - 00000000feda0000 (reserved)
503MB LOWMEM available.
found SMP MP-table at 000ff780
Entering add_active_range(0, 0, 128815) 0 entries of 256 used
Zone PFN ranges:
DMA 0 -> 4096
Normal 4096 -> 128815
early_node_map[1] active PFN ranges
0: 0 -> 128815
On node 0 totalpages: 128815
DMA zone: 32 pages used for memmap
DMA zone: 0 pages reserved
DMA zone: 4064 pages, LIFO batch:0
Normal zone: 974 pages used for memmap
Normal zone: 123745 pages, LIFO batch:31
DMI 2.3 present.
ACPI: RSDP (v000 ACPIAM ) @ 0x000f4eb0
ACPI: RSDT (v001 INTEL D915GAV 0x20060222 MSFT 0x00000097) @ 0x1f730000
ACPI: FADT (v002 INTEL D915GAV 0x20060222 MSFT 0x00000097) @ 0x1f730200
ACPI: MADT (v001 INTEL D915GAV 0x20060222 MSFT 0x00000097) @ 0x1f730390
ACPI: MCFG (v001 INTEL D915GAV 0x20060222 MSFT 0x00000097) @ 0x1f730400
ACPI: ASF! (v016 LEGEND I865PASF 0x00000001 INTL 0x02002026) @ 0x1f736050
ACPI: TCPA (v001 INTEL TBLOEMID 0x00000001 MSFT 0x00000097) @ 0x1f7360f0
ACPI: WDDT (v001 INTEL OEMWDDT 0x00000001 INTL 0x02002026) @ 0x1f736122
ACPI: DSDT (v001 INTEL D915GAV 0x00000001 INTL 0x02002026) @ 0x00000000
ACPI: PM-Timer IO Port: 0x408
ACPI: Local APIC address 0xfee00000
ACPI: LAPIC (acpi_id[0x01] lapic_id[0x00] enabled)
Processor #0 15:4 APIC version 20
ACPI: LAPIC (acpi_id[0x02] lapic_id[0x01] enabled)
Processor #1 15:4 APIC version 20
ACPI: LAPIC_NMI (acpi_id[0x01] dfl dfl lint[0x1])
ACPI: LAPIC_NMI (acpi_id[0x02] dfl dfl lint[0x1])
ACPI: IOAPIC (id[0x02] address[0xfec00000] gsi_base[0])
IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-23
ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl)
ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level)
ACPI: IRQ0 used by override.
ACPI: IRQ2 used by override.
ACPI: IRQ9 used by override.
Enabling APIC mode: Flat. Using 1 I/O APICs
Using ACPI (MADT) for SMP configuration information
Allocating PCI resources starting at 20000000 (gap: 1f800000:c0800000)
Detected 3000.307 MHz processor.
Real-Time Preemption Support (C) 2004-2007 Ingo Molnar
Built 1 zonelists. Total pages: 127809
Kernel command line: ro root=LABEL=/1 rhgb quiet
mapped APIC to ffffd000 (fee00000)
mapped IOAPIC to ffffc000 (fec00000)
Enabling fast FPU save and restore... done.
Enabling unmasked SIMD FPU exception support... done.
Initializing CPU#0
WARNING: experimental RCU implementation.
PID hash table entries: 2048 (order: 11, 8192 bytes)
Console: colour VGA+ 80x25
num_possible_cpus(): 2
CPU#0: allocated 2097152 bytes trace buffer.
CPU#0: allocated 2097152 bytes max-trace buffer.
CPU#1: allocated 2097152 bytes trace buffer.
CPU#1: allocated 2097152 bytes max-trace buffer.
allocated 4194304 bytes out-trace buffer.
tracer: a total of 12582912 bytes allocated.
Dentry cache hash table entries: 65536 (order: 6, 262144 bytes)
Inode-cache hash table entries: 32768 (order: 5, 131072 bytes)
Memory: 492048k/515260k available (1931k kernel code, 22604k reserved,
748k data, 220k init, 0k highmem)
virtual kernel memory layout:
fixmap : 0xfffb7000 - 0xfffff000 ( 288 kB)
vmalloc : 0xe0000000 - 0xfffb5000 ( 511 MB)
lowmem : 0xc0000000 - 0xdf72f000 ( 503 MB)
.init : 0xc03a3000 - 0xc03da000 ( 220 kB)
.data : 0xc02e2c71 - 0xc039df34 ( 748 kB)
.text : 0xc0100000 - 0xc02e2c71 (1931 kB)
Checking if this processor honours the WP bit even in supervisor mode... Ok.
Calibrating delay using timer specific routine.. 6003.02 BogoMIPS (lpj=3001512)
Security Framework v1.0.0 initialized
SELinux: Initializing.
SELinux: Starting in permissive mode
selinux_register_security: Registering secondary module capability
Capability LSM initialized as secondary
Mount-cache hash table entries: 512
CPU: After generic identify, caps: bfebfbff 00100000 00000000 00000000
0000441d 00000000 00000000
monitor/mwait feature present.
using mwait in idle threads.
CPU: Trace cache: 12K uops, L1 D cache: 16K
CPU: L2 cache: 1024K
CPU: Physical Processor ID: 0
CPU: After all inits, caps: bfebfbff 00100000 00000000 00003180
0000441d 00000000 00000000
Intel machine check architecture supported.
Intel machine check reporting enabled on CPU#0.
CPU0: Intel P4/Xeon Extended MCE MSRs (12) available
CPU0: Thermal monitoring enabled
Checking 'hlt' instruction... OK.
Freeing SMP alternatives: 10k freed
ACPI: Core revision 20060707
CPU0: Intel(R) Pentium(R) 4 CPU 3.00GHz stepping 01
Booting processor 1/1 eip 2000
Initializing CPU#1
Calibrating delay using timer specific routine.. 5999.34 BogoMIPS (lpj=2999670)
CPU: After generic identify, caps: bfebfbff 00100000 00000000 00000000
0000441d 00000000 00000000
monitor/mwait feature present.
CPU: Trace cache: 12K uops, L1 D cache: 16K
CPU: L2 cache: 1024K
CPU: Physical Processor ID: 0
CPU: After all inits, caps: bfebfbff 00100000 00000000 00003180
0000441d 00000000 00000000
Intel machine check architecture supported.
Intel machine check reporting enabled on CPU#1.
CPU1: Intel P4/Xeon Extended MCE MSRs (12) available
CPU1: Thermal monitoring enabled
CPU1: Intel(R) Pentium(R) 4 CPU 3.00GHz stepping 01
Total of 2 processors activated (12002.36 BogoMIPS).
ENABLING IO-APIC IRQs
..TIMER: vector=0x31 apic1=0 pin1=2 apic2=-1 pin2=-1
checking TSC synchronization [CPU#0 -> CPU#1]: passed.
Brought up 2 CPUs
migration_cost=84
Starting RCU priority booster
NET: Registered protocol family 16
ACPI: bus type pci registered
PCI: Using MMCONFIG
Setting up standard PCI resources
rcu_boost_dat: idx=1 b=0 ul=0 ub=0 boost: a=0 b=0
rcu_boost_dat block: 0 0 0 0?
rcu_boost_dat boost: 0! 0 0 0?
rcu_boost_dat unlock: 0? 0 0 0?
ACPI: Interpreter enabled
ACPI: Using IOAPIC for interrupt routing
ACPI: PCI Root Bridge [PCI0] (0000:00)
PCI: Probing PCI hardware (bus 00)
Boot video device is 0000:00:02.0
PCI quirk: region 0400-047f claimed by ICH6 ACPI/GPIO/TCO
PCI quirk: region 0500-053f claimed by ICH6 GPIO
PCI: Transparent bridge - 0000:00:1e.0
ACPI: PCI Interrupt Routing Table [\_SB_.PCI0._PRT]
ACPI: PCI Interrupt Routing Table [\_SB_.PCI0.PEGP._PRT]
ACPI: PCI Interrupt Routing Table [\_SB_.PCI0.P0P2._PRT]
ACPI: Power Resource [URP1] (off)
ACPI: Power Resource [FDDP] (off)
ACPI: Power Resource [LPTP] (off)
ACPI: Power Resource [URP2] (off)
ACPI: PCI Interrupt Routing Table [\_SB_.PCI0.PEX1._PRT]
ACPI: PCI Interrupt Routing Table [\_SB_.PCI0.PEX2._PRT]
ACPI: PCI Interrupt Routing Table [\_SB_.PCI0.PEX3._PRT]
ACPI: PCI Interrupt Routing Table [\_SB_.PCI0.PEX4._PRT]
ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 6 7 9 10 *11 12 14 15)
ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 6 7 9 10 11 12 14 15) *0, disabled.
ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 *5 6 7 9 10 11 12 14 15)
ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 6 7 9 *10 11 12 14 15)
ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 5 6 7 9 10 11 12 14 15) *0, disabled.
ACPI: PCI Interrupt Link [LNKF] (IRQs *3 4 5 6 7 9 10 11 12 14 15)
ACPI: PCI Interrupt Link [LNKG] (IRQs 3 4 5 6 7 9 10 11 12 14 15) *0, disabled.
ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 5 6 7 *9 10 11 12 14 15)
Linux Plug and Play Support v0.97 (c) Adam Belay
pnp: PnP ACPI init
pnp: PnP ACPI: found 13 devices
usbcore: registered new interface driver usbfs
usbcore: registered new interface driver hub
usbcore: registered new device driver usb
PCI: Using ACPI for IRQ routing
PCI: If a device doesn't work, try "pci=routeirq". If it helps, post a report
NetLabel: Initializing
NetLabel: domain hash size = 128
NetLabel: protocols = UNLABELED CIPSOv4
NetLabel: unlabeled traffic allowed by default
pnp: 00:0b: ioport range 0x400-0x47f could not be reserved
pnp: 00:0b: ioport range 0x680-0x6ff has been reserved
pnp: 00:0b: ioport range 0x500-0x53f has been reserved
PCI: Ignore bogus resource 6 [0:0] of 0000:00:02.0
PCI: Bridge: 0000:00:01.0
IO window: disabled.
MEM window: ffa00000-ffafffff
PREFETCH window: cff00000-cfffffff
PCI: Bridge: 0000:00:1c.0
IO window: disabled.
MEM window: ff600000-ff6fffff
PREFETCH window: cfb00000-cfbfffff
PCI: Bridge: 0000:00:1c.1
IO window: disabled.
MEM window: ff700000-ff7fffff
PREFETCH window: cfc00000-cfcfffff
PCI: Bridge: 0000:00:1c.2
IO window: disabled.
MEM window: ff800000-ff8fffff
PREFETCH window: cfd00000-cfdfffff
PCI: Bridge: 0000:00:1c.3
IO window: disabled.
MEM window: ff900000-ff9fffff
PREFETCH window: cfe00000-cfefffff
PCI: Bridge: 0000:00:1e.0
IO window: b000-bfff
MEM window: ff500000-ff5fffff
PREFETCH window: cfa00000-cfafffff
ACPI: PCI Interrupt 0000:00:01.0[A] -> GSI 16 (level, low) -> IRQ 16
PCI: Setting latency timer of device 0000:00:01.0 to 64
ACPI: PCI Interrupt 0000:00:1c.0[A] -> GSI 17 (level, low) -> IRQ 17
PCI: Setting latency timer of device 0000:00:1c.0 to 64
ACPI: PCI Interrupt 0000:00:1c.1[B] -> GSI 16 (level, low) -> IRQ 16
PCI: Setting latency timer of device 0000:00:1c.1 to 64
ACPI: PCI Interrupt 0000:00:1c.2[C] -> GSI 18 (level, low) -> IRQ 18
PCI: Setting latency timer of device 0000:00:1c.2 to 64
ACPI: PCI Interrupt 0000:00:1c.3[D] -> GSI 19 (level, low) -> IRQ 19
PCI: Setting latency timer of device 0000:00:1c.3 to 64
PCI: Setting latency timer of device 0000:00:1e.0 to 64
NET: Registered protocol family 2
IP route cache hash table entries: 4096 (order: 2, 16384 bytes)
TCP established hash table entries: 16384 (order: 7, 655360 bytes)
TCP bind hash table entries: 8192 (order: 6, 294912 bytes)
TCP: Hash tables configured (established 16384 bind 8192)
TCP reno registered
checking if image is initramfs... it is
Freeing initrd memory: 1459k freed
audit: initializing netlink socket (disabled)
audit(1170689521.499:1): initialized
VFS: Disk quotas dquot_6.5.1
Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
SELinux: Registering netfilter hooks
io scheduler noop registered
io scheduler cfq registered (default)
PCI: Setting latency timer of device 0000:00:01.0 to 64
assign_interrupt_mode Found MSI capability
Allocate Port Service[0000:00:01.0:pcie00]
Allocate Port Service[0000:00:01.0:pcie03]
PCI: Setting latency timer of device 0000:00:1c.0 to 64
assign_interrupt_mode Found MSI capability
Allocate Port Service[0000:00:1c.0:pcie00]
Allocate Port Service[0000:00:1c.0:pcie02]
Allocate Port Service[0000:00:1c.0:pcie03]
PCI: Setting latency timer of device 0000:00:1c.1 to 64
assign_interrupt_mode Found MSI capability
Allocate Port Service[0000:00:1c.1:pcie00]
Allocate Port Service[0000:00:1c.1:pcie02]
Allocate Port Service[0000:00:1c.1:pcie03]
PCI: Setting latency timer of device 0000:00:1c.2 to 64
assign_interrupt_mode Found MSI capability
Allocate Port Service[0000:00:1c.2:pcie00]
Allocate Port Service[0000:00:1c.2:pcie02]
Allocate Port Service[0000:00:1c.2:pcie03]
PCI: Setting latency timer of device 0000:00:1c.3 to 64
assign_interrupt_mode Found MSI capability
Allocate Port Service[0000:00:1c.3:pcie00]
Allocate Port Service[0000:00:1c.3:pcie02]
Allocate Port Service[0000:00:1c.3:pcie03]
ACPI: Processor [CPU1] (supports 8 throttling states)
ACPI: Processor [CPU2] (supports 8 throttling states)
isapnp: Scanning for PnP cards...
isapnp: No Plug & Play device found
Real Time Clock Driver v1.12ac
Non-volatile memory driver v1.2
Linux agpgart interface v0.101 (c) Dave Jones
agpgart: Detected an Intel 915G Chipset.
agpgart: Detected 7932K stolen memory.
agpgart: AGP aperture is 256M @ 0xd0000000
Serial: 8250/16550 driver $Revision: 1.90 $ 4 ports, IRQ sharing enabled
serial8250: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A
00:06: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A
RAMDISK driver initialized: 16 RAM disks of 16384K size 4096 blocksize
Uniform Multi-Platform E-IDE driver Revision: 7.00alpha2
ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx
ICH6: IDE controller at PCI slot 0000:00:1f.1
ACPI: PCI Interrupt 0000:00:1f.1[A] -> GSI 18 (level, low) -> IRQ 18
ICH6: chipset revision 3
ICH6: not 100% native mode: will probe irqs later
ide0: BM-DMA at 0xffa0-0xffa7, BIOS settings: hda:DMA, hdb:DMA
ide1: BM-DMA at 0xffa8-0xffaf, BIOS settings: hdc:pio, hdd:pio
Probing IDE interface ide0...
hda: HL-DT-ST DVDRAM GSA-4163B, ATAPI CD/DVD-ROM drive
hdb: HL-DT-ST GCE-8527B, ATAPI CD/DVD-ROM drive
ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
Probing IDE interface ide1...
Probing IDE interface ide1...
usbcore: registered new interface driver libusual
usbcore: registered new interface driver hiddev
usbcore: registered new interface driver usbhid
drivers/usb/input/hid-core.c: v2.6:USB HID core driver
PNP: PS/2 Controller [PNP0303:PS2K] at 0x60,0x64 irq 1
PNP: PS/2 controller doesn't have AUX irq; using default 12
serio: i8042 KBD port at 0x60,0x64 irq 1
serio: i8042 AUX port at 0x60,0x64 irq 12
mice: PS/2 mouse device common for all mice
input: AT Translated Set 2 keyboard as /class/input/input0
TCP cubic registered
Initializing XFRM netlink socket
NET: Registered protocol family 1
NET: Registered protocol family 17
Starting balanced_irq
Using IPI Shortcut mode
Freeing unused kernel memory: 220k freed
Time: tsc clocksource has been installed.
USB Universal Host Controller Interface driver v3.0
ACPI: PCI Interrupt 0000:00:1d.0[A] -> GSI 23 (level, low) -> IRQ 20
PCI: Setting latency timer of device 0000:00:1d.0 to 64
uhci_hcd 0000:00:1d.0: UHCI Host Controller
uhci_hcd 0000:00:1d.0: new USB bus registered, assigned bus number 1
uhci_hcd 0000:00:1d.0: irq 20, io base 0x0000c800
usb usb1: configuration #1 chosen from 1 choice
hub 1-0:1.0: USB hub found
hub 1-0:1.0: 2 ports detected
ACPI: PCI Interrupt 0000:00:1d.1[B] -> GSI 19 (level, low) -> IRQ 19
PCI: Setting latency timer of device 0000:00:1d.1 to 64
uhci_hcd 0000:00:1d.1: UHCI Host Controller
uhci_hcd 0000:00:1d.1: new USB bus registered, assigned bus number 2
uhci_hcd 0000:00:1d.1: irq 19, io base 0x0000cc00
usb usb2: configuration #1 chosen from 1 choice
hub 2-0:1.0: USB hub found
hub 2-0:1.0: 2 ports detected
ACPI: PCI Interrupt 0000:00:1d.2[C] -> GSI 18 (level, low) -> IRQ 18
PCI: Setting latency timer of device 0000:00:1d.2 to 64
uhci_hcd 0000:00:1d.2: UHCI Host Controller
uhci_hcd 0000:00:1d.2: new USB bus registered, assigned bus number 3
uhci_hcd 0000:00:1d.2: irq 18, io base 0x0000d000
usb usb3: configuration #1 chosen from 1 choice
hub 3-0:1.0: USB hub found
hub 3-0:1.0: 2 ports detected
Switched to high resolution mode on CPU 1
Switched to high resolution mode on CPU 0
ACPI: PCI Interrupt 0000:00:1d.3[D] -> GSI 16 (level, low) -> IRQ 16
PCI: Setting latency timer of device 0000:00:1d.3 to 64
uhci_hcd 0000:00:1d.3: UHCI Host Controller
uhci_hcd 0000:00:1d.3: new USB bus registered, assigned bus number 4
uhci_hcd 0000:00:1d.3: irq 16, io base 0x0000d400
usb usb4: configuration #1 chosen from 1 choice
hub 4-0:1.0: USB hub found
hub 4-0:1.0: 2 ports detected
usb 2-1: new low speed USB device using uhci_hcd and address 2
ohci_hcd: 2006 August 04 USB 1.1 'Open' Host Controller (OHCI) Driver (PCI)
ACPI: PCI Interrupt 0000:00:1d.7[A] -> GSI 23 (level, low) -> IRQ 20
PCI: Setting latency timer of device 0000:00:1d.7 to 64
ehci_hcd 0000:00:1d.7: EHCI Host Controller
ehci_hcd 0000:00:1d.7: new USB bus registered, assigned bus number 5
ehci_hcd 0000:00:1d.7: debug port 1
PCI: cache line size of 128 is not supported by device 0000:00:1d.7
ehci_hcd 0000:00:1d.7: irq 20, io mem 0xff43bc00
ehci_hcd 0000:00:1d.7: USB 2.0 started, EHCI 1.00, driver 10 Dec 2004
usb usb5: configuration #1 chosen from 1 choice
hub 5-0:1.0: USB hub found
hub 5-0:1.0: 8 ports detected
SCSI subsystem initialized
libata version 2.00 loaded.
ata_piix 0000:00:1f.2: version 2.00ac7
ata_piix 0000:00:1f.2: MAP [ P0 P2 P1 P3 ]
ACPI: PCI Interrupt 0000:00:1f.2[B] -> GSI 19 (level, low) -> IRQ 19
PCI: Setting latency timer of device 0000:00:1f.2 to 64
ata1: SATA max UDMA/133 cmd 0xE800 ctl 0xE402 bmdma 0xD800 irq 19
ata2: SATA max UDMA/133 cmd 0xE000 ctl 0xDC02 bmdma 0xD808 irq 19
scsi0 : ata_piix
ATA: abnormal status 0x7F on port 0xE807
scsi1 : ata_piix
ata2.00: ATA-6, max UDMA/133, 312581808 sectors: LBA48 NCQ (depth 0/32)
ata2.00: ata2: dev 0 multi count 16
ata2.00: configured for UDMA/133
scsi 1:0:0:0: Direct-Access ATA ST3160827AS 3.42 PQ: 0 ANSI: 5
SCSI device sda: 312581808 512-byte hdwr sectors (160042 MB)
sda: Write Protect is off
sda: Mode Sense: 00 3a 00 00
SCSI device sda: write cache: enabled, read cache: enabled, doesn't
support DPO or FUA
SCSI device sda: 312581808 512-byte hdwr sectors (160042 MB)
sda: Write Protect is off
sda: Mode Sense: 00 3a 00 00
SCSI device sda: write cache: enabled, read cache: enabled, doesn't
support DPO or FUA
sda: sda1 sda2 sda3 < sda5 sda6 sda7 sda8<6>usb 2-1: new low speed
USB device using uhci_hcd and address 3
sda9 >
sda2: <solaris: [s0] sda10 [s1] sda11 [s2] sda12 [s3] sda13 [s4]
sda14 [s5] sda15 >
sd 1:0:0:0: Attached scsi disk sda
usb 2-1: configuration #1 chosen from 1 choice
input: Microsoft Basic Optical Mouse as /class/input/input1
input: USB HID v1.10 Mouse [Microsoft Basic Optical Mouse] on usb-0000:00:1d.1-1
kjournald starting. Commit interval 5 seconds
EXT3-fs: mounted filesystem with ordered data mode.
SELinux: Disabled at runtime.
SELinux: Unregistering netfilter hooks
audit(1170689526.186:2): selinux=0 auid=4294967295
sd 1:0:0:0: Attached scsi generic sg0 type 0
input: PC Speaker as /class/input/input2
iTCO_wdt: Intel TCO WatchDog Timer Driver v1.01 (11-Nov-2006)
iTCO_wdt: Found a ICH6 or ICH6R TCO device (Version=2, TCOBASE=0x0460)
iTCO_wdt: initialized. heartbeat=30 sec (nowayout=0)
hda: ATAPI 40X DVD-ROM DVD-R-RAM CD-R/RW drive, 2048kB Cache, UDMA(33)
Uniform CD-ROM driver Revision: 3.20
fealnx.c:v2.52 Sep-11-2006
ACPI: PCI Interrupt 0000:06:00.0[A] -> GSI 21 (level, low) -> IRQ 21
eth0: 100/10M Ethernet PCI Adapter at 0001b800, 00:a1:b0:10:88:1a, IRQ 21.
hdb: ATAPI 52X CD-ROM CD-R/RW drive, 1536kB Cache, UDMA(33)
intel_rng: Firmware space is locked read-only. If you can't or
intel_rng: don't want to disable this in firmware setup, and if
intel_rng: you are certain that your system has a functional
intel_rng: RNG, try using the 'no_fwh_detect' option.
ACPI: PCI Interrupt 0000:00:1f.3[B] -> GSI 19 (level, low) -> IRQ 19
ACPI: PCI Interrupt 0000:00:1b.0[A] -> GSI 16 (level, low) -> IRQ 16
PCI: Setting latency timer of device 0000:00:1b.0 to 64
input: Power Button (FF) as /class/input/input3
ACPI: Power Button (FF) [PWRF]
input: Power Button (CM) as /class/input/input4
ACPI: Power Button (CM) [PWRB]
md: Autodetecting RAID arrays.
md: autorun ...
md: ... autorun DONE.
device-mapper: ioctl: 4.11.0-ioctl (2006-10-12) initialised: dm-devel@redhat.com
device-mapper: multipath: version 1.0.5 loaded
EXT3 FS on sda6, internal journal
kjournald starting. Commit interval 5 seconds
EXT3-fs warning: maximal mount count reached, running e2fsck is recommended
EXT3 FS on sda7, internal journal
EXT3-fs: mounted filesystem with ordered data mode.
fuse init (API version 7.8)
Adding 1052216k swap on /dev/sda5. Priority:-1 extents:1 across:1052216k
IA-32 Microcode Update Driver: v1.14a <tigran@aivazian.fsnet.co.uk>
audit(1170669747.393:3): audit_pid=2000 old=0 by auid=4294967295
[drm] Initialized drm 1.1.0 20060810
ACPI: PCI Interrupt 0000:00:02.0[A] -> GSI 16 (level, low) -> IRQ 16
[drm] Initialized i915 1.6.0 20060119 on minor 0
Thanks,
~Akula2
^ permalink raw reply [flat|nested] 27+ messages in thread
* Re: v2.6.20-rt1, yum/rpm
2007-02-05 10:36 ` Sunil Naidu
@ 2007-02-05 10:42 ` Peter Zijlstra
2007-02-05 10:22 ` Ingo Molnar
2007-02-05 11:15 ` Sunil Naidu
0 siblings, 2 replies; 27+ messages in thread
From: Peter Zijlstra @ 2007-02-05 10:42 UTC (permalink / raw)
To: Sunil Naidu; +Cc: Ingo Molnar, linux-kernel, linux-rt-users
On Mon, 2007-02-05 at 16:06 +0530, Sunil Naidu wrote:
> On 2/5/07, Ingo Molnar <mingo@elte.hu> wrote:
> > i have released the v2.6.20-rt1 kernel, which can be downloaded from the
> > usual place:
>
> Clean boot for me with 2.6.20 & 2.6.20-rt1. There isn't any error
> (like in 2.6.20-rc7-rt3).
>
> But here is an interesting dmesg:
>
> rcu_boost_dat: idx=1 b=0 ul=0 ub=0 boost: a=0 b=0
> rcu_boost_dat block: 0 0 0 0?
> rcu_boost_dat boost: 0! 0 0 0?
> rcu_boost_dat unlock: 0? 0 0 0?
>
> I didn'tunderstand this with ? Am I missing anything here or please
> give some inputs.
That is Paul McKenney's RCU priority boosting stuff.
Look here:
http://lkml.org/lkml/2007/1/24/294
^ permalink raw reply [flat|nested] 27+ messages in thread
* Re: v2.6.20-rt1, yum/rpm
2007-02-05 10:42 ` Peter Zijlstra
2007-02-05 10:22 ` Ingo Molnar
@ 2007-02-05 11:15 ` Sunil Naidu
1 sibling, 0 replies; 27+ messages in thread
From: Sunil Naidu @ 2007-02-05 11:15 UTC (permalink / raw)
To: Peter Zijlstra; +Cc: Ingo Molnar, linux-kernel, linux-rt-users
On 2/5/07, Peter Zijlstra <a.p.zijlstra@chello.nl> wrote:
> On Mon, 2007-02-05 at 16:06 +0530, Sunil Naidu wrote:
> > On 2/5/07, Ingo Molnar <mingo@elte.hu> wrote:
> > > i have released the v2.6.20-rt1 kernel, which can be downloaded from the
> > > usual place:
> >
> > Clean boot for me with 2.6.20 & 2.6.20-rt1. There isn't any error
> > (like in 2.6.20-rc7-rt3).
> >
> > But here is an interesting dmesg:
> >
> > rcu_boost_dat: idx=1 b=0 ul=0 ub=0 boost: a=0 b=0
> > rcu_boost_dat block: 0 0 0 0?
> > rcu_boost_dat boost: 0! 0 0 0?
> > rcu_boost_dat unlock: 0? 0 0 0?
> >
> > I didn'tunderstand this with ? Am I missing anything here or please
> > give some inputs.
>
> That is Paul McKenney's RCU priority boosting stuff.
>
> Look here:
> http://lkml.org/lkml/2007/1/24/294
Thanks for the input. I did check the URL to refer the update of the
patch by Paul:-
http://lkml.org/lkml/2007/01/15/219
I am getting error, The requested URL /lkml/2007/01/15/219. was not
found on this server.
~Akula2
^ permalink raw reply [flat|nested] 27+ messages in thread
* Re: v2.6.20-rt1, yum/rpm
2007-02-05 6:56 v2.6.20-rt1, yum/rpm Ingo Molnar
2007-02-05 9:18 ` Serge Belyshev
2007-02-05 10:36 ` Sunil Naidu
@ 2007-02-05 12:59 ` Michal Piotrowski
2007-02-05 13:47 ` Ingo Molnar
2007-02-05 14:25 ` Karsten Wiese
` (8 subsequent siblings)
11 siblings, 1 reply; 27+ messages in thread
From: Michal Piotrowski @ 2007-02-05 12:59 UTC (permalink / raw)
To: Ingo Molnar; +Cc: linux-kernel, linux-rt-users
Hi,
On 05/02/07, Ingo Molnar <mingo@elte.hu> wrote:
> i have released the v2.6.20-rt1 kernel, which can be downloaded from the
> usual place:
>
> http://redhat.com/~mingo/realtime-preempt/
>
It looks like a bug to me
BUG: MAX_LOCKDEP_ENTRIES too low!
turning off the locking correctness validator.
http://www.stardust.webpages.pl/files/tbf/euridica/2.6.20-rt1/rt-dmesg
http://www.stardust.webpages.pl/files/tbf/euridica/2.6.20-rt1/rt-config
Regards,
Michal
--
Michal K. K. Piotrowski
LTG - Linux Testers Group
(http://www.stardust.webpages.pl/ltg/)
^ permalink raw reply [flat|nested] 27+ messages in thread
* Re: v2.6.20-rt1, yum/rpm
2007-02-05 12:59 ` Michal Piotrowski
@ 2007-02-05 13:47 ` Ingo Molnar
2007-02-05 21:29 ` Michal Piotrowski
0 siblings, 1 reply; 27+ messages in thread
From: Ingo Molnar @ 2007-02-05 13:47 UTC (permalink / raw)
To: Michal Piotrowski; +Cc: linux-kernel, linux-rt-users
* Michal Piotrowski <michal.k.k.piotrowski@gmail.com> wrote:
> It looks like a bug to me
>
> BUG: MAX_LOCKDEP_ENTRIES too low!
> turning off the locking correctness validator.
hm, the patch below should solve this.
Ingo
Index: linux/kernel/lockdep_internals.h
===================================================================
--- linux.orig/kernel/lockdep_internals.h
+++ linux/kernel/lockdep_internals.h
@@ -15,7 +15,7 @@
* table (if it's not there yet), and we check it for lock order
* conflicts and deadlocks.
*/
-#define MAX_LOCKDEP_ENTRIES 8192UL
+#define MAX_LOCKDEP_ENTRIES 16384UL
#define MAX_LOCKDEP_KEYS_BITS 11
#define MAX_LOCKDEP_KEYS (1UL << MAX_LOCKDEP_KEYS_BITS)
^ permalink raw reply [flat|nested] 27+ messages in thread
* Re: v2.6.20-rt1, yum/rpm
2007-02-05 6:56 v2.6.20-rt1, yum/rpm Ingo Molnar
` (2 preceding siblings ...)
2007-02-05 12:59 ` Michal Piotrowski
@ 2007-02-05 14:25 ` Karsten Wiese
2007-02-05 15:17 ` Parag Warudkar
` (7 subsequent siblings)
11 siblings, 0 replies; 27+ messages in thread
From: Karsten Wiese @ 2007-02-05 14:25 UTC (permalink / raw)
To: Ingo Molnar; +Cc: linux-kernel, linux-rt-users
Am Montag, 5. Februar 2007 07:56 schrieb Ingo Molnar:
> i have released the v2.6.20-rt1 kernel, which can be downloaded from the
after resuming from
$ echo mem > /sys/power/state
both lapic and pic are active, while only lapic should be.
resuming from
$ echo disk > /sys/power/state
is fine.
Karsten
^ permalink raw reply [flat|nested] 27+ messages in thread
* Re: v2.6.20-rt1, yum/rpm
2007-02-05 6:56 v2.6.20-rt1, yum/rpm Ingo Molnar
` (3 preceding siblings ...)
2007-02-05 14:25 ` Karsten Wiese
@ 2007-02-05 15:17 ` Parag Warudkar
2007-02-05 21:50 ` Michal Piotrowski
` (6 subsequent siblings)
11 siblings, 0 replies; 27+ messages in thread
From: Parag Warudkar @ 2007-02-05 15:17 UTC (permalink / raw)
To: linux-kernel
Ingo Molnar <mingo <at> elte.hu> writes:
>
> i have released the v2.6.20-rt1 kernel, which can be downloaded from the
> usual place:
>
> http://redhat.com/~mingo/realtime-preempt/
>
> more info about the -rt patchset can be found in the RT wiki:
>
> http://rt.wiki.kernel.org
>
On FC6 with KVM userspace from trunk I get a ton of errors like this in dmesg -
=======================
---------------------------
| preempt count: 00000001 ]
| 1-level deep critical section nesting:
----------------------------------------
.. [<f90ecc48>] .... vmx_vcpu_load+0x26/0xd2 [kvm_intel]
.....[<f90b0a1c>] .. ( <= vcpu_load+0x38/0x3c [kvm])
BUG: sleeping function called from invalid context qemu(4314) at
arch/i386/mm/highmem.c:8
in_atomic():1 [00000001], irqs_disabled():0
[<c010503c>] dump_trace+0x63/0x1e8
[<c01051dd>] show_trace_log_lvl+0x1c/0x39
[<c01055d4>] show_trace+0x12/0x14
[<c01055ea>] dump_stack+0x14/0x16
[<c0122b71>] __might_sleep+0x110/0x117
[<c012161b>] kmap+0x3e/0x48
[<f90b415e>] paging32_walk_addr+0x214/0x276 [kvm]
[<f90b4f08>] paging32_page_fault+0x51/0x749 [kvm]
[<f90ede01>] handle_exception+0xeb/0x1da [kvm_intel]
[<f90edc8a>] kvm_vmx_return+0x169/0x1f5 [kvm_intel]
[<f90b108a>] kvm_dev_ioctl+0x284/0x1148 [kvm]
[<c0189db9>] do_ioctl+0x21/0x66
[<c018a053>] vfs_ioctl+0x255/0x268
[<c018a0ae>] sys_ioctl+0x48/0x62
[<c0104009>] syscall_call+0x7/0xb
[<009858b2>] 0x9858b2
=======================
---------------------------
| preempt count: 00000001 ]
| 1-level deep critical section nesting:
----------------------------------------
.. [<f90ecc48>] .... vmx_vcpu_load+0x26/0xd2 [kvm_intel]
.....[<f90b0a1c>] .. ( <= vcpu_load+0x38/0x3c [kvm])
BUG: sleeping function called from invalid context qemu(4314) at
arch/i386/mm/highmem.c:8
in_atomic():1 [00000001], irqs_disabled():0
[<c010503c>] dump_trace+0x63/0x1e8
[<c01051dd>] show_trace_log_lvl+0x1c/0x39
[<c01055d4>] show_trace+0x12/0x14
[<c01055ea>] dump_stack+0x14/0x16
[<c0122b71>] __might_sleep+0x110/0x117
[<c012161b>] kmap+0x3e/0x48
[<f90b415e>] paging32_walk_addr+0x214/0x276 [kvm]
[<f90b4f08>] paging32_page_fault+0x51/0x749 [kvm]
[<f90ede01>] handle_exception+0xeb/0x1da [kvm_intel]
[<f90edc8a>] kvm_vmx_return+0x169/0x1f5 [kvm_intel]
[<f90b108a>] kvm_dev_ioctl+0x284/0x1148 [kvm]
[<c0189db9>] do_ioctl+0x21/0x66
[<c018a053>] vfs_ioctl+0x255/0x268
[<c018a0ae>] sys_ioctl+0x48/0x62
[<c0104009>] syscall_call+0x7/0xb
[<009858b2>] 0x9858b2
=======================
---------------------------
| preempt count: 00000001 ]
| 1-level deep critical section nesting:
----------------------------------------
.. [<f90ecc48>] .... vmx_vcpu_load+0x26/0xd2 [kvm_intel]
.....[<f90b0a1c>] .. ( <= vcpu_load+0x38/0x3c [kvm])
^ permalink raw reply [flat|nested] 27+ messages in thread
* Re: v2.6.20-rt1, yum/rpm
2007-02-05 13:47 ` Ingo Molnar
@ 2007-02-05 21:29 ` Michal Piotrowski
0 siblings, 0 replies; 27+ messages in thread
From: Michal Piotrowski @ 2007-02-05 21:29 UTC (permalink / raw)
To: Ingo Molnar; +Cc: Michal Piotrowski, linux-kernel, linux-rt-users
Ingo Molnar napisał(a):
> * Michal Piotrowski <michal.k.k.piotrowski@gmail.com> wrote:
>
>> It looks like a bug to me
>>
>> BUG: MAX_LOCKDEP_ENTRIES too low!
>> turning off the locking correctness validator.
>
> hm, the patch below should solve this.
Lockdep works. Thanks!
2.6.20-rt2
======================================================
[ INFO: hard-safe -> hard-unsafe lock order detected ]
[ 2.6.20-rt2 #2
------------------------------------------------------
softirq-timer/0/5 [HC0[0]:SC0[0]:HE0:SE1] is trying to acquire:
(console_sem.lock){--..}, at: [<c0311981>] rt_mutex_slowunlock+0xc/0x5b
and this task is already holding:
(xtime_lock){+...}, at: [<c012a8b8>] run_timer_softirq+0x47/0x9ad
which would create a new lock dependency:
(xtime_lock){+...} -> (console_sem.lock){--..}
but this new dependency connects a hard-irq-safe lock:
(xtime_lock){+...}
... which became hard-irq-safe at:
[<c013d124>] mark_lock+0x6b/0x40b
[<c013dee5>] __lock_acquire+0x3b3/0xb94
[<c013e72e>] lock_acquire+0x68/0x82
[<c03127d3>] __spin_lock+0x35/0x42
[<c013a654>] tick_periodic+0x15/0x68
[<c013a6ba>] tick_handle_periodic+0x13/0x45
[<c010684f>] timer_interrupt+0x31/0x38
[<c0155912>] handle_IRQ_event+0x63/0xfc
[<c0157267>] handle_level_irq+0xa7/0xf0
[<c0105dc1>] do_IRQ+0xa3/0xce
[<c0103ac6>] common_interrupt+0x2e/0x34
[<c0312e57>] __spin_unlock_irqrestore+0x42/0x59
[<c0156075>] setup_irq+0x170/0x1e0
[<c04907e4>] time_init_hook+0x19/0x1b
[<c0488d87>] hpet_time_init+0xd/0xf
[<c0485667>] start_kernel+0x271/0x42a
[<ffffffff>] 0xffffffff
to a hard-irq-unsafe lock:
(console_sem.lock){--..}
... which became hard-irq-unsafe at:
... [<c013d124>] mark_lock+0x6b/0x40b
[<c013d50e>] mark_held_locks+0x4a/0x67
[<c013d6f1>] trace_hardirqs_on+0x10d/0x150
[<c0312e55>] __spin_unlock_irqrestore+0x40/0x59
[<c01431f4>] task_blocks_on_rt_mutex+0x1c4/0x20a
[<c0311cd0>] rt_mutex_slowlock+0x140/0x234
[<c03119fd>] rt_mutex_lock+0x2d/0x31
[<c014441a>] rt_down+0x11/0x28
[<c012290f>] acquire_console_sem+0x36/0x4c
[<c0209c10>] fb_flashcursor+0x1a/0x24d
[<c013177a>] run_workqueue+0x8b/0xd8
[<c0132309>] worker_thread+0xf8/0x124
[<c01344b4>] kthread+0xb5/0xe1
[<c0103dab>] kernel_thread_helper+0x7/0x10
[<ffffffff>] 0xffffffff
other info that might help us debug this:
1 lock held by softirq-timer/0/5:
#0: (xtime_lock){+...}, at: [<c012a8b8>] run_timer_softirq+0x47/0x9ad
the hard-irq-safe lock's dependencies:
-> (xtime_lock){+...} ops: 7875 {
initial-use at:
[<c013d124>] mark_lock+0x6b/0x40b
[<c013dfb9>] __lock_acquire+0x487/0xb94
[<c013e72e>] lock_acquire+0x68/0x82
[<c03127d3>] __spin_lock+0x35/0x42
[<c04916fb>] timekeeping_init+0x25/0x143
[<c04855be>] start_kernel+0x1c8/0x42a
[<ffffffff>] 0xffffffff
in-hardirq-W at:
[<c013d124>] mark_lock+0x6b/0x40b
[<c013dee5>] __lock_acquire+0x3b3/0xb94
[<c013e72e>] lock_acquire+0x68/0x82
[<c03127d3>] __spin_lock+0x35/0x42
[<c013a654>] tick_periodic+0x15/0x68
[<c013a6ba>] tick_handle_periodic+0x13/0x45
[<c010684f>] timer_interrupt+0x31/0x38
[<c0155912>] handle_IRQ_event+0x63/0xfc
[<c0157267>] handle_level_irq+0xa7/0xf0
[<c0105dc1>] do_IRQ+0xa3/0xce
[<c0103ac6>] common_interrupt+0x2e/0x34
[<c0312e57>] __spin_unlock_irqrestore+0x42/0x59
[<c0156075>] setup_irq+0x170/0x1e0
[<c04907e4>] time_init_hook+0x19/0x1b
[<c0488d87>] hpet_time_init+0xd/0xf
[<c0485667>] start_kernel+0x271/0x42a
[<ffffffff>] 0xffffffff
}
... key at: [<c046bb18>] xtime_lock+0x18/0x80
-> (clocksource_lock){....} ops: 3800 {
initial-use at:
[<c013d124>] mark_lock+0x6b/0x40b
[<c013dfb9>] __lock_acquire+0x487/0xb94
[<c013e72e>] lock_acquire+0x68/0x82
[<c0312a40>] __spin_lock_irqsave+0x3e/0x4e
[<c0138c4b>] clocksource_get_next+0xd/0x43
[<c049170b>] timekeeping_init+0x35/0x143
[<c04855be>] start_kernel+0x1c8/0x42a
[<ffffffff>] 0xffffffff
}
... key at: [<c046bd94>] clocksource_lock+0x14/0x80
... acquired at:
[<c013c05b>] add_lock_to_list+0x65/0x89
[<c013e544>] __lock_acquire+0xa12/0xb94
[<c013e72e>] lock_acquire+0x68/0x82
[<c0312a40>] __spin_lock_irqsave+0x3e/0x4e
[<c0138c4b>] clocksource_get_next+0xd/0x43
[<c049170b>] timekeeping_init+0x35/0x143
[<c04855be>] start_kernel+0x1c8/0x42a
[<ffffffff>] 0xffffffff
-> (logbuf_lock){....} ops: 1544 {
initial-use at:
[<c013d124>] mark_lock+0x6b/0x40b
[<c013dfb9>] __lock_acquire+0x487/0xb94
[<c013e72e>] lock_acquire+0x68/0x82
[<c0312a40>] __spin_lock_irqsave+0x3e/0x4e
[<c012273c>] release_console_sem+0x3c/0x1c5
[<c0122ed2>] vprintk+0x2cd/0x330
[<c0122f50>] printk+0x1b/0x1d
[<c0485456>] start_kernel+0x60/0x42a
[<ffffffff>] 0xffffffff
}
... key at: [<c046b694>] logbuf_lock+0x14/0x80
... acquired at:
[<c013c05b>] add_lock_to_list+0x65/0x89
[<c013e544>] __lock_acquire+0xa12/0xb94
[<c013e72e>] lock_acquire+0x68/0x82
[<c0312a40>] __spin_lock_irqsave+0x3e/0x4e
[<c012273c>] release_console_sem+0x3c/0x1c5
[<c0122ed2>] vprintk+0x2cd/0x330
[<c0122f50>] printk+0x1b/0x1d
[<c012aee1>] run_timer_softirq+0x670/0x9ad
[<c0127689>] ksoftirqd+0x121/0x205
[<c01344b4>] kthread+0xb5/0xe1
[<c0103dab>] kernel_thread_helper+0x7/0x10
[<ffffffff>] 0xffffffff
the hard-irq-unsafe lock's dependencies:
-> (console_sem.lock){--..} ops: 829 {
initial-use at:
[<c013d124>] mark_lock+0x6b/0x40b
[<c013dfb9>] __lock_acquire+0x487/0xb94
[<c013e72e>] lock_acquire+0x68/0x82
[<c0312a40>] __spin_lock_irqsave+0x3e/0x4e
[<c0311981>] rt_mutex_slowunlock+0xc/0x5b
[<c03118e4>] rt_mutex_unlock+0x8/0xa
[<c014402c>] rt_up+0x25/0x45
[<c0122870>] release_console_sem+0x170/0x1c5
[<c0122ed2>] vprintk+0x2cd/0x330
[<c0122f50>] printk+0x1b/0x1d
[<c0485456>] start_kernel+0x60/0x42a
[<ffffffff>] 0xffffffff
softirq-on-W at:
[<c013d124>] mark_lock+0x6b/0x40b
[<c013d50e>] mark_held_locks+0x4a/0x67
[<c013d709>] trace_hardirqs_on+0x125/0x150
[<c0312e55>] __spin_unlock_irqrestore+0x40/0x59
[<c01431f4>] task_blocks_on_rt_mutex+0x1c4/0x20a
[<c0311cd0>] rt_mutex_slowlock+0x140/0x234
[<c03119fd>] rt_mutex_lock+0x2d/0x31
[<c014441a>] rt_down+0x11/0x28
[<c012290f>] acquire_console_sem+0x36/0x4c
[<c0209c10>] fb_flashcursor+0x1a/0x24d
[<c013177a>] run_workqueue+0x8b/0xd8
[<c0132309>] worker_thread+0xf8/0x124
[<c01344b4>] kthread+0xb5/0xe1
[<c0103dab>] kernel_thread_helper+0x7/0x10
[<ffffffff>] 0xffffffff
hardirq-on-W at:
[<c013d124>] mark_lock+0x6b/0x40b
[<c013d50e>] mark_held_locks+0x4a/0x67
[<c013d6f1>] trace_hardirqs_on+0x10d/0x150
[<c0312e55>] __spin_unlock_irqrestore+0x40/0x59
[<c01431f4>] task_blocks_on_rt_mutex+0x1c4/0x20a
[<c0311cd0>] rt_mutex_slowlock+0x140/0x234
[<c03119fd>] rt_mutex_lock+0x2d/0x31
[<c014441a>] rt_down+0x11/0x28
[<c012290f>] acquire_console_sem+0x36/0x4c
[<c0209c10>] fb_flashcursor+0x1a/0x24d
[<c013177a>] run_workqueue+0x8b/0xd8
[<c0132309>] worker_thread+0xf8/0x124
[<c01344b4>] kthread+0xb5/0xe1
[<c0103dab>] kernel_thread_helper+0x7/0x10
[<ffffffff>] 0xffffffff
}
... key at: [<c043c318>] console_sem+0x18/0x60
-> ((raw_spinlock_t *)(&p->pi_lock)){....} ops: 706 {
initial-use at:
[<c013d124>] mark_lock+0x6b/0x40b
[<c013dfb9>] __lock_acquire+0x487/0xb94
[<c013e72e>] lock_acquire+0x68/0x82
[<c0312a40>] __spin_lock_irqsave+0x3e/0x4e
[<c011c7a5>] sched_setscheduler+0x13f/0x22e
[<c0135150>] posix_cpu_thread_call+0x88/0xff
[<c0491d70>] posix_cpu_thread_init+0x1c/0x3c
[<c01003fa>] init+0x4d/0x3c3
[<c0103dab>] kernel_thread_helper+0x7/0x10
[<ffffffff>] 0xffffffff
}
... key at: [<c04cc06c>] __key.24574+0x0/0x8
-> (&rq->rq_lock_key){+...} ops: 29636 {
initial-use at:
[<c013d124>] mark_lock+0x6b/0x40b
[<c013dfb9>] __lock_acquire+0x487/0xb94
[<c013e72e>] lock_acquire+0x68/0x82
[<c0312a40>] __spin_lock_irqsave+0x3e/0x4e
[<c011be68>] init_idle+0x63/0x81
[<c0490c3e>] sched_init+0x1a9/0x1b0
[<c0485516>] start_kernel+0x120/0x42a
[<ffffffff>] 0xffffffff
in-hardirq-W at:
[<c013d124>] mark_lock+0x6b/0x40b
[<c013dee5>] __lock_acquire+0x3b3/0xb94
[<c013e72e>] lock_acquire+0x68/0x82
[<c03127d3>] __spin_lock+0x35/0x42
[<c011b21f>] task_running_tick+0x2a/0x23d
[<c011e849>] scheduler_tick+0x92/0xee
[<c012b88a>] update_process_times+0x3e/0x63
[<c013a6a5>] tick_periodic+0x66/0x68
[<c013a6ba>] tick_handle_periodic+0x13/0x45
[<c010684f>] timer_interrupt+0x31/0x38
[<c0155912>] handle_IRQ_event+0x63/0xfc
[<c0157267>] handle_level_irq+0xa7/0xf0
[<c0105dc1>] do_IRQ+0xa3/0xce
[<c0103ac6>] common_interrupt+0x2e/0x34
[<c013e740>] lock_acquire+0x7a/0x82
[<c0312430>] rt_read_lock+0x2b/0x69
[<c0120925>] copy_process+0x6cc/0x136b
[<c0121e43>] fork_idle+0x3f/0x58
[<c0112023>] do_boot_cpu+0x3c/0x547
[<c048c4a0>] smp_prepare_cpus+0x477/0x5eb
[<c01003eb>] init+0x3e/0x3c3
[<c0103dab>] kernel_thread_helper+0x7/0x10
[<ffffffff>] 0xffffffff
}
... key at: [<c60686cc>] 0xc60686cc
-> (&rq->rq_lock_key#2){+...} ops: 30044 {
initial-use at:
[<c013d124>] mark_lock+0x6b/0x40b
[<c013dfb9>] __lock_acquire+0x487/0xb94
[<c013e72e>] lock_acquire+0x68/0x82
[<c0312a40>] __spin_lock_irqsave+0x3e/0x4e
[<c011be68>] init_idle+0x63/0x81
[<c0121e53>] fork_idle+0x4f/0x58
[<c0112023>] do_boot_cpu+0x3c/0x547
[<c048c4a0>] smp_prepare_cpus+0x477/0x5eb
[<c01003eb>] init+0x3e/0x3c3
[<c0103dab>] kernel_thread_helper+0x7/0x10
[<ffffffff>] 0xffffffff
in-hardirq-W at:
[<c013d124>] mark_lock+0x6b/0x40b
[<c013dee5>] __lock_acquire+0x3b3/0xb94
[<c013e72e>] lock_acquire+0x68/0x82
[<c03127d3>] __spin_lock+0x35/0x42
[<c011b6be>] task_rq_lock+0x36/0x5d
[<c011ca30>] try_to_wake_up+0x29/0x3cf
[<c011ce79>] wake_up_process+0x19/0x1b
[<c0126af7>] wakeup_softirqd+0x30/0x34
[<c01277c6>] raise_softirq+0x59/0x77
[<c012b50e>] run_local_timers+0xd/0x14
[<c012b88f>] update_process_times+0x43/0x63
[<c013a6a5>] tick_periodic+0x66/0x68
[<c013a6ba>] tick_handle_periodic+0x13/0x45
[<c0113e30>] smp_apic_timer_interrupt+0xa6/0xb8
[<c0103ba7>] apic_timer_interrupt+0x33/0x38
[<c0101b16>] default_idle+0x49/0x62
[<c01013ec>] cpu_idle+0xd4/0x11e
[<c0112d05>] start_secondary+0x35a/0x362
[<ffffffff>] 0xffffffff
}
... key at: [<c60e86cc>] 0xc60e86cc
... acquired at:
[<c013c05b>] add_lock_to_list+0x65/0x89
[<c013e544>] __lock_acquire+0xa12/0xb94
[<c013e72e>] lock_acquire+0x68/0x82
[<c03127d3>] __spin_lock+0x35/0x42
[<c011b029>] double_rq_lock+0x33/0x37
[<c011b8ab>] __migrate_task+0x58/0x131
[<c011eb9f>] migration_thread+0x196/0x1e5
[<c01344b4>] kthread+0xb5/0xe1
[<c0103dab>] kernel_thread_helper+0x7/0x10
[<ffffffff>] 0xffffffff
... acquired at:
[<c013c05b>] add_lock_to_list+0x65/0x89
[<c013e544>] __lock_acquire+0xa12/0xb94
[<c013e72e>] lock_acquire+0x68/0x82
[<c03127d3>] __spin_lock+0x35/0x42
[<c011c7c3>] sched_setscheduler+0x15d/0x22e
[<c0135150>] posix_cpu_thread_call+0x88/0xff
[<c0491d70>] posix_cpu_thread_init+0x1c/0x3c
[<c01003fa>] init+0x4d/0x3c3
[<c0103dab>] kernel_thread_helper+0x7/0x10
[<ffffffff>] 0xffffffff
-> (&rq->rq_lock_key#2){+...} ops: 30044 {
initial-use at:
[<c013d124>] mark_lock+0x6b/0x40b
[<c013dfb9>] __lock_acquire+0x487/0xb94
[<c013e72e>] lock_acquire+0x68/0x82
[<c0312a40>] __spin_lock_irqsave+0x3e/0x4e
[<c011be68>] init_idle+0x63/0x81
[<c0121e53>] fork_idle+0x4f/0x58
[<c0112023>] do_boot_cpu+0x3c/0x547
[<c048c4a0>] smp_prepare_cpus+0x477/0x5eb
[<c01003eb>] init+0x3e/0x3c3
[<c0103dab>] kernel_thread_helper+0x7/0x10
[<ffffffff>] 0xffffffff
in-hardirq-W at:
[<c013d124>] mark_lock+0x6b/0x40b
[<c013dee5>] __lock_acquire+0x3b3/0xb94
[<c013e72e>] lock_acquire+0x68/0x82
[<c03127d3>] __spin_lock+0x35/0x42
[<c011b6be>] task_rq_lock+0x36/0x5d
[<c011ca30>] try_to_wake_up+0x29/0x3cf
[<c011ce79>] wake_up_process+0x19/0x1b
[<c0126af7>] wakeup_softirqd+0x30/0x34
[<c01277c6>] raise_softirq+0x59/0x77
[<c012b50e>] run_local_timers+0xd/0x14
[<c012b88f>] update_process_times+0x43/0x63
[<c013a6a5>] tick_periodic+0x66/0x68
[<c013a6ba>] tick_handle_periodic+0x13/0x45
[<c0113e30>] smp_apic_timer_interrupt+0xa6/0xb8
[<c0103ba7>] apic_timer_interrupt+0x33/0x38
[<c0101b16>] default_idle+0x49/0x62
[<c01013ec>] cpu_idle+0xd4/0x11e
[<c0112d05>] start_secondary+0x35a/0x362
[<ffffffff>] 0xffffffff
}
... key at: [<c60e86cc>] 0xc60e86cc
... acquired at:
[<c013c05b>] add_lock_to_list+0x65/0x89
[<c013e544>] __lock_acquire+0xa12/0xb94
[<c013e72e>] lock_acquire+0x68/0x82
[<c03127d3>] __spin_lock+0x35/0x42
[<c011c7c3>] sched_setscheduler+0x15d/0x22e
[<c0135150>] posix_cpu_thread_call+0x88/0xff
[<c012ec53>] notifier_call_chain+0x20/0x31
[<c012ec80>] raw_notifier_call_chain+0x8/0xa
[<c0144569>] _cpu_up+0x3d/0xbf
[<c0144611>] cpu_up+0x26/0x38
[<c010043e>] init+0x91/0x3c3
[<c0103dab>] kernel_thread_helper+0x7/0x10
[<ffffffff>] 0xffffffff
... acquired at:
[<c013c05b>] add_lock_to_list+0x65/0x89
[<c013e544>] __lock_acquire+0xa12/0xb94
[<c013e72e>] lock_acquire+0x68/0x82
[<c03127d3>] __spin_lock+0x35/0x42
[<c0143055>] task_blocks_on_rt_mutex+0x25/0x20a
[<c0311cd0>] rt_mutex_slowlock+0x140/0x234
[<c03119fd>] rt_mutex_lock+0x2d/0x31
[<c014441a>] rt_down+0x11/0x28
[<c012290f>] acquire_console_sem+0x36/0x4c
[<c0209c10>] fb_flashcursor+0x1a/0x24d
[<c013177a>] run_workqueue+0x8b/0xd8
[<c0132309>] worker_thread+0xf8/0x124
[<c01344b4>] kthread+0xb5/0xe1
[<c0103dab>] kernel_thread_helper+0x7/0x10
[<ffffffff>] 0xffffffff
-> (&rq->rq_lock_key#2){+...} ops: 30044 {
initial-use at:
[<c013d124>] mark_lock+0x6b/0x40b
[<c013dfb9>] __lock_acquire+0x487/0xb94
[<c013e72e>] lock_acquire+0x68/0x82
[<c0312a40>] __spin_lock_irqsave+0x3e/0x4e
[<c011be68>] init_idle+0x63/0x81
[<c0121e53>] fork_idle+0x4f/0x58
[<c0112023>] do_boot_cpu+0x3c/0x547
[<c048c4a0>] smp_prepare_cpus+0x477/0x5eb
[<c01003eb>] init+0x3e/0x3c3
[<c0103dab>] kernel_thread_helper+0x7/0x10
[<ffffffff>] 0xffffffff
in-hardirq-W at:
[<c013d124>] mark_lock+0x6b/0x40b
[<c013dee5>] __lock_acquire+0x3b3/0xb94
[<c013e72e>] lock_acquire+0x68/0x82
[<c03127d3>] __spin_lock+0x35/0x42
[<c011b6be>] task_rq_lock+0x36/0x5d
[<c011ca30>] try_to_wake_up+0x29/0x3cf
[<c011ce79>] wake_up_process+0x19/0x1b
[<c0126af7>] wakeup_softirqd+0x30/0x34
[<c01277c6>] raise_softirq+0x59/0x77
[<c012b50e>] run_local_timers+0xd/0x14
[<c012b88f>] update_process_times+0x43/0x63
[<c013a6a5>] tick_periodic+0x66/0x68
[<c013a6ba>] tick_handle_periodic+0x13/0x45
[<c0113e30>] smp_apic_timer_interrupt+0xa6/0xb8
[<c0103ba7>] apic_timer_interrupt+0x33/0x38
[<c0101b16>] default_idle+0x49/0x62
[<c01013ec>] cpu_idle+0xd4/0x11e
[<c0112d05>] start_secondary+0x35a/0x362
[<ffffffff>] 0xffffffff
}
... key at: [<c60e86cc>] 0xc60e86cc
... acquired at:
[<c013c05b>] add_lock_to_list+0x65/0x89
[<c013e544>] __lock_acquire+0xa12/0xb94
[<c013e72e>] lock_acquire+0x68/0x82
[<c03127d3>] __spin_lock+0x35/0x42
[<c011b6be>] task_rq_lock+0x36/0x5d
[<c011ca30>] try_to_wake_up+0x29/0x3cf
[<c011ce79>] wake_up_process+0x19/0x1b
[<c014281e>] wakeup_next_waiter+0x1d9/0x1e1
[<c03119b8>] rt_mutex_slowunlock+0x43/0x5b
[<c03118e4>] rt_mutex_unlock+0x8/0xa
[<c014402c>] rt_up+0x25/0x45
[<c0122870>] release_console_sem+0x170/0x1c5
[<c0122ed2>] vprintk+0x2cd/0x330
[<c0122f50>] printk+0x1b/0x1d
[<c0288c89>] usb_register_driver+0xa3/0xeb
[<c049c440>] usb_usual_init+0xf/0x29
[<c01004df>] init+0x132/0x3c3
[<c0103dab>] kernel_thread_helper+0x7/0x10
[<ffffffff>] 0xffffffff
stack backtrace:
[<c01041a3>] dump_trace+0x63/0x1eb
[<c0104348>] show_trace_log_lvl+0x1d/0x3a
[<c0104a23>] show_trace+0x12/0x14
[<c0104ab6>] dump_stack+0x16/0x18
[<c013da8f>] check_usage+0x241/0x24b
[<c013e451>] __lock_acquire+0x91f/0xb94
[<c013e72e>] lock_acquire+0x68/0x82
[<c0312a40>] __spin_lock_irqsave+0x3e/0x4e
[<c0311981>] rt_mutex_slowunlock+0xc/0x5b
[<c03118e4>] rt_mutex_unlock+0x8/0xa
[<c014402c>] rt_up+0x25/0x45
[<c0122870>] release_console_sem+0x170/0x1c5
[<c0122ed2>] vprintk+0x2cd/0x330
[<c0122f50>] printk+0x1b/0x1d
[<c012aee1>] run_timer_softirq+0x670/0x9ad
[<c0127689>] ksoftirqd+0x121/0x205
[<c01344b4>] kthread+0xb5/0xe1
[<c0103dab>] kernel_thread_helper+0x7/0x10
=======================
---------------------------
| preempt count: 00000003 ]
| 3-level deep critical section nesting:
----------------------------------------
.. [<c03127b1>] .... __spin_lock+0x13/0x42
.....[<c012a8b8>] .. ( <= run_timer_softirq+0x47/0x9ad)
.. [<c0144017>] .... rt_up+0x10/0x45
.....[<c0122870>] .. ( <= release_console_sem+0x170/0x1c5)
.. [<c0312a1e>] .... __spin_lock_irqsave+0x1c/0x4e
.....[<c0311981>] .. ( <= rt_mutex_slowunlock+0xc/0x5b)
0xc03127b1 is in __spin_lock (kernel/spinlock.c:218).
213 EXPORT_SYMBOL(__write_lock_bh);
214
215 void __lockfunc __spin_lock(raw_spinlock_t *lock)
216 {
217 preempt_disable();
218 spin_acquire(&lock->dep_map, 0, 0, _RET_IP_);
219 _raw_spin_lock(lock);
220 }
221
222 EXPORT_SYMBOL(__spin_lock);
0xc012a8b8 is in run_timer_softirq (include/linux/seqlock.h:148).
143 }
144
145 static __always_inline void __write_seqlock_raw(raw_seqlock_t *sl)
146 {
147 spin_lock(&sl->lock);
148 ++sl->sequence;
149 smp_wmb();
150 }
151
152 static __always_inline void __write_sequnlock_raw(raw_seqlock_t *sl)
0xc0144017 is in rt_up (include/asm/atomic.h:189).
184 if(unlikely(boot_cpu_data.x86==3))
185 goto no_xadd;
186 #endif
187 /* Modern 486+ processor */
188 __i = i;
189 __asm__ __volatile__(
190 LOCK_PREFIX "xaddl %0, %1"
191 :"+r" (i), "+m" (v->counter)
192 : : "memory");
193 return i + __i;
0xc0122870 is in release_console_sem (kernel/printk.c:864).
859 * up only if we are in a preemptible section. We normally dont
860 * printk from non-preemptible sections so this is for the emergency
861 * case only.
862 */
863 #ifdef CONFIG_PREEMPT_RT
864 if (!in_atomic() && !irqs_disabled())
865 #endif
866 if (wake_klogd && !oops_in_progress && waitqueue_active(&log_wait))
867 wake_up_interruptible(&log_wait);
868 }
0xc0312a1e is in __spin_lock_irqsave (kernel/spinlock.c:122).
117 {
118 unsigned long flags;
119
120 local_irq_save(flags);
121 preempt_disable();
122 spin_acquire(&lock->dep_map, 0, 0, _RET_IP_);
123 /*
124 * On lockdep we dont want the hand-coded irq-enable of
125 * _raw_spin_lock_flags() code, because lockdep assumes
126 * that interrupts are not re-enabled during lock-acquire:
0xc0311981 is in rt_mutex_slowunlock (kernel/rtmutex.c:1053).
1048 static void __sched
1049 rt_mutex_slowunlock(struct rt_mutex *lock)
1050 {
1051 unsigned long flags;
1052
1053 spin_lock_irqsave(&lock->wait_lock, flags);
1054
1055 debug_rt_mutex_unlock(lock);
1056
1057 rt_mutex_deadlock_account_unlock(current);
http://www.stardust.webpages.pl/files/tbf/euridica/2.6.20-rt2/rt-config
http://www.stardust.webpages.pl/files/tbf/euridica/2.6.20-rt2/rt-dmesg
Regards,
Michal
--
Michal K. K. Piotrowski
LTG - Linux Testers Group
(http://www.stardust.webpages.pl/ltg/)
^ permalink raw reply [flat|nested] 27+ messages in thread
* Re: v2.6.20-rt1, yum/rpm
2007-02-05 6:56 v2.6.20-rt1, yum/rpm Ingo Molnar
` (4 preceding siblings ...)
2007-02-05 15:17 ` Parag Warudkar
@ 2007-02-05 21:50 ` Michal Piotrowski
2007-02-06 0:11 ` Michal Piotrowski
` (5 subsequent siblings)
11 siblings, 0 replies; 27+ messages in thread
From: Michal Piotrowski @ 2007-02-05 21:50 UTC (permalink / raw)
To: Ingo Molnar; +Cc: linux-kernel, linux-rt-users
Ingo Molnar napisał(a):
> i have released the v2.6.20-rt1 kernel, which can be downloaded from the
> usual place:
>
> http://redhat.com/~mingo/realtime-preempt/
>
> more info about the -rt patchset can be found in the RT wiki:
2.6.20-rt2
echo shutdown > /sys/power/disk; echo disk > /sys/power/state
Disabling non-boot CPUs ...
CPU1 playing dead
[<c01041a3>] dump_trace+0x63/0x1eb
[<c0104348>] show_trace_log_lvl+0x1d/0x3a
[<c0104a23>] show_trace+0x12/0x14
[<c0104ab6>] dump_stack+0x16/0x18
[<c01013a5>] cpu_idle+0x8d/0x11e
[<c0112d05>] start_secondary+0x35a/0x362
=======================
---------------------------
| preempt count: 00000001 ]
| 1-level deep critical section nesting:
----------------------------------------
.. [<c010142b>] .... cpu_idle+0x113/0x11e
.....[<c0112d05>] .. ( <= start_secondary+0x35a/0x362)
0xc010142b is in cpu_idle (arch/i386/kernel/process.c:204).
199 tick_nohz_restart_sched_tick();
200 local_irq_disable();
201 __preempt_enable_no_resched();
202 __schedule();
203 preempt_disable();
204 local_irq_enable();
205 }
206 }
207
208 void cpu_idle_wait(void)
0xc0112d05 is in start_secondary (arch/i386/kernel/smpboot.c:432).
427 /* We can take interrupts now: we're officially "up". */
428 local_irq_enable();
429
430 wmb();
431 cpu_idle();
432 }
433
434 /*
435 * Everything has been set up for the secondary
436 * CPUs - they just need to reload everything
lapic suspend on CPU#0
[<c01041a3>] dump_trace+0x63/0x1eb
[<c0104348>] show_trace_log_lvl+0x1d/0x3a
[<c0104a23>] show_trace+0x12/0x14
[<c0104ab6>] dump_stack+0x16/0x18
[<c0113ac8>] lapic_suspend+0xd8/0x101
[<c02543c0>] sysdev_suspend+0x8d/0x1ee
[<c0258117>] device_power_down+0x119/0x152
[<c014ab42>] swsusp_suspend+0x17/0x67
[<c014b2a1>] pm_suspend_disk+0x9a/0x161
[<c014a169>] enter_state+0x52/0x1bb
[<c014a358>] state_store+0x86/0x9c
[<c01abed4>] subsys_attr_store+0x20/0x25
[<c01ac176>] sysfs_write_file+0xa1/0xc2
[<c0177962>] vfs_write+0xaf/0x163
[<c0177fda>] sys_write+0x40/0x67
[<c01030e0>] syscall_call+0x7/0xb
[<b7f74410>] 0xb7f74410
=======================
---------------------------
| preempt count: 00000000 ]
| 0-level deep critical section nesting:
----------------------------------------
swsusp: critical section:
swsusp: Need to copy 122686 pages
swsusp: Normal pages needed: 36485 + 1024 + 40, available pages: 192889
Intel machine check architecture supported.
Intel machine check reporting enabled on CPU#0.
CPU0: Intel P4/Xeon Extended MCE MSRs (12) available
CPU0: Thermal monitoring enabled
lapic resume on CPU#0
[<c01041a3>] dump_trace+0x63/0x1eb
[<c0104348>] show_trace_log_lvl+0x1d/0x3a
[<c0104a23>] show_trace+0x12/0x14
[<c0104ab6>] dump_stack+0x16/0x18
[<c0113b22>] lapic_resume+0x31/0x1c3
[<c025404e>] __sysdev_resume+0x14/0x57
[<c025453a>] sysdev_resume+0x19/0x54
[<c02585a7>] device_power_up+0x8/0xf
[<c014ab85>] swsusp_suspend+0x5a/0x67
[<c014b2a1>] pm_suspend_disk+0x9a/0x161
[<c014a169>] enter_state+0x52/0x1bb
[<c014a358>] state_store+0x86/0x9c
[<c01abed4>] subsys_attr_store+0x20/0x25
[<c01ac176>] sysfs_write_file+0xa1/0xc2
[<c0177962>] vfs_write+0xaf/0x163
[<c0177fda>] sys_write+0x40/0x67
[<c01030e0>] syscall_call+0x7/0xb
[<b7f74410>] 0xb7f74410
=======================
---------------------------
| preempt count: 00000000 ]
| 0-level deep critical section nesting:
----------------------------------------
http://www.stardust.webpages.pl/files/tbf/euridica/2.6.20-rt2/rt-dmesg2
http://www.stardust.webpages.pl/files/tbf/euridica/2.6.20-rt2/rt-config
Regards,
Michal
--
Michal K. K. Piotrowski
LTG - Linux Testers Group
(http://www.stardust.webpages.pl/ltg/)
^ permalink raw reply [flat|nested] 27+ messages in thread
* Re: v2.6.20-rt1, yum/rpm
2007-02-05 6:56 v2.6.20-rt1, yum/rpm Ingo Molnar
` (5 preceding siblings ...)
2007-02-05 21:50 ` Michal Piotrowski
@ 2007-02-06 0:11 ` Michal Piotrowski
2007-02-06 1:14 ` Daniel Walker
` (4 subsequent siblings)
11 siblings, 0 replies; 27+ messages in thread
From: Michal Piotrowski @ 2007-02-06 0:11 UTC (permalink / raw)
To: Ingo Molnar; +Cc: linux-kernel, linux-rt-users
On 05/02/07, Ingo Molnar <mingo@elte.hu> wrote:
> i have released the v2.6.20-rt1 kernel, which can be downloaded from the
> usual place:
>
> http://redhat.com/~mingo/realtime-preempt/
>
-rt2 vs. autotest.
Good news - It passes aiostress, linus_stress and ltp.
Bad news - it hangs a few seconds after pi_tests (I don't see any
errors in /var/log/messages)
Regards,
Michal
--
Michal K. K. Piotrowski
LTG - Linux Testers Group
(http://www.stardust.webpages.pl/ltg/)
^ permalink raw reply [flat|nested] 27+ messages in thread
* Re: v2.6.20-rt1, yum/rpm
2007-02-05 6:56 v2.6.20-rt1, yum/rpm Ingo Molnar
` (6 preceding siblings ...)
2007-02-06 0:11 ` Michal Piotrowski
@ 2007-02-06 1:14 ` Daniel Walker
2007-02-06 10:10 ` Arjan van de Ven
` (3 subsequent siblings)
11 siblings, 0 replies; 27+ messages in thread
From: Daniel Walker @ 2007-02-06 1:14 UTC (permalink / raw)
To: Ingo Molnar; +Cc: linux-kernel, linux-rt-users
The /proc/interrupts timer entry is dangling a little. With PREEMPT_RT
the entry doesn't get updated ..
My system after two hours uptime,
CPU0 CPU1
0: 56 0 IO-APIC-edge timer
1: 2 0 IO-APIC-edge i8042
4: 1450 0 IO-APIC-edge serial
6: 3 0 IO-APIC-edge floppy
8: 0 0 IO-APIC-edge rtc
9: 0 0 IO-APIC-fasteoi acpi
12: 4 0 IO-APIC-edge i8042
14: 824890 0 IO-APIC-edge ide0
17: 182 0 IO-APIC-fasteoi HDA Intel
20: 0 0 IO-APIC-fasteoi uhci_hcd:usb2
21: 0 0 IO-APIC-fasteoi libata, ehci_hcd:usb1, uhci_hcd:usb4
22: 0 0 IO-APIC-fasteoi uhci_hcd:usb3
23: 7515 0 IO-APIC-fasteoi uhci_hcd:usb5, eth0
NMI: 0 0
LOC: 1749635 1749614
ERR: 0
Daniel
^ permalink raw reply [flat|nested] 27+ messages in thread
* Re: v2.6.20-rt1, yum/rpm
2007-02-05 6:56 v2.6.20-rt1, yum/rpm Ingo Molnar
` (7 preceding siblings ...)
2007-02-06 1:14 ` Daniel Walker
@ 2007-02-06 10:10 ` Arjan van de Ven
2007-02-07 12:32 ` Ingo Molnar
2007-02-06 10:30 ` Sunil Naidu
` (2 subsequent siblings)
11 siblings, 1 reply; 27+ messages in thread
From: Arjan van de Ven @ 2007-02-06 10:10 UTC (permalink / raw)
To: Ingo Molnar; +Cc: linux-kernel, linux-rt-users
On Mon, 2007-02-05 at 07:56 +0100, Ingo Molnar wrote:
> i have released the v2.6.20-rt1 kernel, which can be downloaded from the
> usual place:
>
> http://redhat.com/~mingo/realtime-preempt/
>
> more info about the -rt patchset can be found in the RT wiki:
>
> http://rt.wiki.kernel.org
>
> This is a fixes-only release. Since the -rt tree has been closely
> tracking Linus' upstream kernel since -rc1, no new issues are expected -
> please re-report if anything is still unfixed.
patch below has 2 tweaks
1) the new RCU feature wakes up once per second, make sure this is using
the new round_jiffies() infrastructure
2) the slab background reap code is waking up once per 2 seconds per
cpu. The patch makes this more dynamic; if no work was done (no activity
on the cpu happened) then this is made to be 4 seconds
Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
Index: linux-2.6.20-rt2/kernel/rcupreempt.c
===================================================================
--- linux-2.6.20-rt2.orig/kernel/rcupreempt.c
+++ linux-2.6.20-rt2/kernel/rcupreempt.c
@@ -465,7 +465,7 @@ static int rcu_booster(void *arg)
* adjust, or eliminate in case of OOM.
*/
- schedule_timeout_interruptible(HZ);
+ schedule_timeout_interruptible(round_jiffies_relative(HZ));
/* Print stats if enough time has passed. */
Index: linux-2.6.20-rt2/kernel/rcutorture.c
===================================================================
--- linux-2.6.20-rt2.orig/kernel/rcutorture.c
+++ linux-2.6.20-rt2/kernel/rcutorture.c
@@ -288,7 +288,7 @@ static int rcu_torture_preempt(void *arg
cond_resched();
if (rcu_torture_completed() == completedstart)
rcu_torture_preempt_errors++;
- schedule_timeout_interruptible(HZ);
+ schedule_timeout_interruptible(round_jiffies_relative(HZ));
} while (!kthread_should_stop());
return 0;
}
@@ -660,7 +660,7 @@ rcu_torture_reader(void *arg)
if (p == NULL) {
/* Wait for rcu_torture_writer to get underway */
cur_ops->readunlock(idx);
- schedule_timeout_interruptible(HZ);
+ schedule_timeout_interruptible(round_jiffies_relative(HZ));
continue;
}
if (p->rtort_mbtest == 0)
Index: linux-2.6.20-rt2/mm/slab.c
===================================================================
--- linux-2.6.20-rt2.orig/mm/slab.c
+++ linux-2.6.20-rt2/mm/slab.c
@@ -1062,7 +1062,7 @@ static int transfer_objects(struct array
#ifndef CONFIG_NUMA
#define drain_alien_cache(cachep, alien) do { } while (0)
-#define reap_alien(cachep, l3, this_cpu) do { } while (0)
+#define reap_alien(cachep, l3, this_cpu) 0
static inline struct array_cache **alloc_alien_cache(int node, int limit)
{
@@ -1160,7 +1160,7 @@ static void __drain_alien_cache(struct k
/*
* Called from cache_reap() to regularly drain alien caches round robin.
*/
-static void
+static int
reap_alien(struct kmem_cache *cachep, struct kmem_list3 *l3, int *this_cpu)
{
int node = per_cpu(reap_node, *this_cpu);
@@ -1171,8 +1171,10 @@ reap_alien(struct kmem_cache *cachep, st
if (ac && ac->avail && spin_trylock_irq(&ac->lock)) {
__drain_alien_cache(cachep, ac, node, this_cpu);
spin_unlock_irq(&ac->lock);
+ return 1;
}
}
+ return 0;
}
static void drain_alien_cache(struct kmem_cache *cachep,
@@ -2473,7 +2475,7 @@ static void check_spinlock_acquired_node
#define check_spinlock_acquired_node(x, y) do { } while(0)
#endif
-static void drain_array(struct kmem_cache *cachep, struct kmem_list3 *l3,
+static int drain_array(struct kmem_cache *cachep, struct kmem_list3 *l3,
struct array_cache *ac,
int force, int node);
@@ -4114,15 +4116,16 @@ static int enable_cpucache(struct kmem_c
* Drain an array if it contains any elements taking the l3 lock only if
* necessary. Note that the l3 listlock also protects the array_cache
* if drain_array() is used on the shared array.
+ * returns non-zero if some work is done
*/
-void drain_array(struct kmem_cache *cachep, struct kmem_list3 *l3,
+int drain_array(struct kmem_cache *cachep, struct kmem_list3 *l3,
struct array_cache *ac, int force, int node)
{
int this_cpu = smp_processor_id();
int tofree;
if (!ac || !ac->avail)
- return;
+ return 0;
if (ac->touched && !force) {
ac->touched = 0;
} else {
@@ -4138,6 +4141,7 @@ void drain_array(struct kmem_cache *cach
}
slab_spin_unlock_irq(&l3->list_lock, this_cpu);
}
+ return 1;
}
/**
@@ -4157,6 +4161,7 @@ static void cache_reap(struct work_struc
int this_cpu = raw_smp_processor_id(), node = cpu_to_node(this_cpu);
struct kmem_cache *searchp;
struct kmem_list3 *l3;
+ int work_done = 0;
if (!mutex_trylock(&cache_chain_mutex)) {
/* Give up. Setup the next iteration. */
@@ -4175,10 +4180,10 @@ static void cache_reap(struct work_struc
*/
l3 = searchp->nodelists[node];
- reap_alien(searchp, l3, &this_cpu);
+ work_done += reap_alien(searchp, l3, &this_cpu);
- drain_array(searchp, l3, cpu_cache_get(searchp, this_cpu),
- 0, node);
+ work_done += drain_array(searchp, l3,
+ cpu_cache_get(searchp, this_cpu), 0, node);
/*
* These are racy checks but it does not matter
@@ -4189,7 +4194,7 @@ static void cache_reap(struct work_struc
l3->next_reap = jiffies + REAPTIMEOUT_LIST3;
- drain_array(searchp, l3, l3->shared, 0, node);
+ work_done += drain_array(searchp, l3, l3->shared, 0, node);
if (l3->free_touched)
l3->free_touched = 0;
@@ -4207,9 +4212,10 @@ next:
mutex_unlock(&cache_chain_mutex);
next_reap_node();
refresh_cpu_vm_stats(smp_processor_id());
+
/* Set up the next iteration */
schedule_delayed_work(&__get_cpu_var(reap_work),
- round_jiffies_relative(REAPTIMEOUT_CPUC));
+ round_jiffies_relative((1+!work_done) * REAPTIMEOUT_CPUC));
}
#ifdef CONFIG_PROC_FS
^ permalink raw reply [flat|nested] 27+ messages in thread
* Re: v2.6.20-rt1, yum/rpm
2007-02-05 6:56 v2.6.20-rt1, yum/rpm Ingo Molnar
` (8 preceding siblings ...)
2007-02-06 10:10 ` Arjan van de Ven
@ 2007-02-06 10:30 ` Sunil Naidu
2007-02-27 17:39 ` K.R. Foley
2007-04-26 13:57 ` v2.6.21-rt1 Ingo Molnar
11 siblings, 0 replies; 27+ messages in thread
From: Sunil Naidu @ 2007-02-06 10:30 UTC (permalink / raw)
To: Ingo Molnar; +Cc: linux-kernel, linux-rt-users
On 2/5/07, Ingo Molnar <mingo@elte.hu> wrote:
> i have released the v2.6.20-rt1 kernel, which can be downloaded from the
This is about 2.6.20-rt2, no issues here.
PID TTY STAT TIME COMMAND
1 ? Ss 0:00 init [5]
2 ? S 0:00 [migration/0]
3 ? S 0:00 [posix_cpu_timer]
4 ? S 0:00 [softirq-high/0]
5 ? S 0:00 [softirq-timer/0]
6 ? S 0:00 [softirq-net-tx/]
7 ? S 0:00 [softirq-net-rx/]
8 ? S 0:00 [softirq-block/0]
9 ? S 0:00 [softirq-tasklet]
10 ? S 0:00 [softirq-sched/0]
11 ? S 0:00 [softirq-hrtimer]
12 ? S 0:00 [softirq-rcu/0]
13 ? S< 0:00 [desched/0]
14 ? S 0:00 [migration/1]
15 ? S 0:00 [posix_cpu_timer]
16 ? S 0:00 [softirq-high/1]
17 ? S 0:00 [softirq-timer/1]
18 ? S 0:00 [softirq-net-tx/]
19 ? S 0:00 [softirq-net-rx/]
20 ? S 0:00 [softirq-block/1]
21 ? S 0:00 [softirq-tasklet]
22 ? S 0:00 [softirq-sched/1]
23 ? S 0:00 [softirq-hrtimer]
24 ? S 0:00 [softirq-rcu/1]
25 ? S< 0:00 [desched/1]
26 ? S< 0:00 [events/0]
27 ? S< 0:00 [events/1]
28 ? S< 0:00 [khelper]
29 ? S 0:00 [RCU Prio Booste]
30 ? S< 0:00 [kthread]
63 ? S< 0:00 [kblockd/0]
64 ? S< 0:00 [kblockd/1]
65 ? S< 0:00 [kacpid]
66 ? S< 0:00 [IRQ-9]
157 ? S< 0:00 [cqueue/0]
158 ? S< 0:00 [cqueue/1]
159 ? S< 0:00 [ksuspend_usbd]
162 ? S< 0:00 [khubd]
164 ? S< 0:00 [kseriod]
189 ? S 0:00 [pdflush]
190 ? S 0:00 [pdflush]
191 ? S< 0:00 [kswapd0]
192 ? S< 0:00 [flush_filesd/0]
193 ? S< 0:00 [flush_filesd/1]
194 ? S< 0:00 [aio/0]
195 ? S< 0:00 [aio/1]
285 ? S< 0:00 [IRQ-8]
317 ? S< 0:00 [IRQ-14]
332 ? S< 0:00 [IRQ-12]
333 ? S< 0:00 [IRQ-1]
339 ? S< 0:00 [kpsmoused]
343 ? S 0:00 [kirqd]
351 ? S< 0:00 [IRQ-20]
352 ? S< 0:00 [IRQ-19]
353 ? S< 0:00 [IRQ-18]
354 ? S< 0:00 [IRQ-16]
376 ? S< 0:00 [ata/0]
377 ? S< 0:00 [ata/1]
378 ? S< 0:00 [ata_aux]
382 ? S< 0:00 [scsi_eh_0]
383 ? S< 0:00 [scsi_eh_1]
384 ? S< 0:00 [kjournald]
412 ? S< 0:00 [kauditd]
449 ? S<s 0:00 /sbin/udevd -d
1153 ? S< 0:00 [hda_codec]
1552 ? S< 0:00 [kmpathd/0]
1553 ? S< 0:00 [kmpathd/1]
1561 ? S< 0:00 [kmirrord]
1582 ? S< 0:00 [kjournald]
................
.................
................
Wanted to ask, is there any (performance) problem with multi-sessions
(on the same box) with these kernels? I read some time back about Real
Time sound (exact terminology I don't remember), how to test this
using Intel hda? Any pointers?
Thanks,
Akula2
^ permalink raw reply [flat|nested] 27+ messages in thread
* Re: v2.6.20-rt1, yum/rpm
2007-02-06 10:10 ` Arjan van de Ven
@ 2007-02-07 12:32 ` Ingo Molnar
0 siblings, 0 replies; 27+ messages in thread
From: Ingo Molnar @ 2007-02-07 12:32 UTC (permalink / raw)
To: Arjan van de Ven; +Cc: linux-kernel, linux-rt-users
* Arjan van de Ven <arjan@infradead.org> wrote:
> patch below has 2 tweaks
> 1) the new RCU feature wakes up once per second, make sure this is using
> the new round_jiffies() infrastructure
> 2) the slab background reap code is waking up once per 2 seconds per
> cpu. The patch makes this more dynamic; if no work was done (no activity
> on the cpu happened) then this is made to be 4 seconds
thanks, i've applied both tweaks.
Ingo
^ permalink raw reply [flat|nested] 27+ messages in thread
* Re: v2.6.20-rt1, yum/rpm
2007-02-05 6:56 v2.6.20-rt1, yum/rpm Ingo Molnar
` (9 preceding siblings ...)
2007-02-06 10:30 ` Sunil Naidu
@ 2007-02-27 17:39 ` K.R. Foley
2007-02-28 8:11 ` Ingo Molnar
2007-04-26 13:57 ` v2.6.21-rt1 Ingo Molnar
11 siblings, 1 reply; 27+ messages in thread
From: K.R. Foley @ 2007-02-27 17:39 UTC (permalink / raw)
To: Ingo Molnar; +Cc: linux-kernel, linux-rt-users
Ingo Molnar wrote:
> i have released the v2.6.20-rt1 kernel, which can be downloaded from the
> usual place:
>
I have a couple of questions regarding priorities of the softirqs, IRQ
handlers, etc.
With some exceptions, back in 2.6.18 and prior patches the IRQ threads
were prioritized between 50 and 25 and the most of the softirqs were
prioritized at 1? In newer patches it looks like they are all
prioritized at 50?
I was just curious what went into making these choices? I am just trying
to better understand these decisions.
Thanks,
--
kr
^ permalink raw reply [flat|nested] 27+ messages in thread
* Re: v2.6.20-rt1, yum/rpm
2007-02-27 17:39 ` K.R. Foley
@ 2007-02-28 8:11 ` Ingo Molnar
2007-02-28 10:16 ` K.R. Foley
0 siblings, 1 reply; 27+ messages in thread
From: Ingo Molnar @ 2007-02-28 8:11 UTC (permalink / raw)
To: K.R. Foley; +Cc: linux-kernel, linux-rt-users
* K.R. Foley <kr@cybsft.com> wrote:
> Ingo Molnar wrote:
> > i have released the v2.6.20-rt1 kernel, which can be downloaded from the
> > usual place:
> >
>
> I have a couple of questions regarding priorities of the softirqs, IRQ
> handlers, etc.
>
> With some exceptions, back in 2.6.18 and prior patches the IRQ threads
> were prioritized between 50 and 25 and the most of the softirqs were
> prioritized at 1? In newer patches it looks like they are all
> prioritized at 50?
>
> I was just curious what went into making these choices? I am just
> trying to better understand these decisions.
The basically random order-of-request_irq() prioritization was causing
problems (it worked for some but didnt work for others), so i got rid of
trying to auto-guess some priority order. Also, now that we've got
tools/scripts like set_kthread_prio and rtprio it seemed more consistent
to just not attempt to prioritize interrupts and softirqs at all, but to
keep them all 'in the middle' of the RT priority range.
Ingo
^ permalink raw reply [flat|nested] 27+ messages in thread
* Re: v2.6.20-rt1, yum/rpm
2007-02-28 8:11 ` Ingo Molnar
@ 2007-02-28 10:16 ` K.R. Foley
0 siblings, 0 replies; 27+ messages in thread
From: K.R. Foley @ 2007-02-28 10:16 UTC (permalink / raw)
To: Ingo Molnar; +Cc: linux-kernel, linux-rt-users
Ingo Molnar wrote:
> * K.R. Foley <kr@cybsft.com> wrote:
>
>> Ingo Molnar wrote:
>>> i have released the v2.6.20-rt1 kernel, which can be downloaded from the
>>> usual place:
>>>
>> I have a couple of questions regarding priorities of the softirqs, IRQ
>> handlers, etc.
>>
>> With some exceptions, back in 2.6.18 and prior patches the IRQ threads
>> were prioritized between 50 and 25 and the most of the softirqs were
>> prioritized at 1? In newer patches it looks like they are all
>> prioritized at 50?
>>
>> I was just curious what went into making these choices? I am just
>> trying to better understand these decisions.
>
> The basically random order-of-request_irq() prioritization was causing
> problems (it worked for some but didnt work for others), so i got rid of
> trying to auto-guess some priority order. Also, now that we've got
> tools/scripts like set_kthread_prio and rtprio it seemed more consistent
> to just not attempt to prioritize interrupts and softirqs at all, but to
> keep them all 'in the middle' of the RT priority range.
>
> Ingo
>
Thanks.
--
kr
^ permalink raw reply [flat|nested] 27+ messages in thread
* v2.6.21-rt1
2007-02-05 6:56 v2.6.20-rt1, yum/rpm Ingo Molnar
` (10 preceding siblings ...)
2007-02-27 17:39 ` K.R. Foley
@ 2007-04-26 13:57 ` Ingo Molnar
2007-04-26 20:53 ` v2.6.21-rt1 Free Ekanayaka
` (2 more replies)
11 siblings, 3 replies; 27+ messages in thread
From: Ingo Molnar @ 2007-04-26 13:57 UTC (permalink / raw)
To: linux-kernel; +Cc: linux-rt-users
i have released the v2.6.20-rt1 kernel, which can be downloaded from the
usual place:
http://redhat.com/~mingo/realtime-preempt/
more info about the -rt patchset can be found in the RT wiki:
http://rt.wiki.kernel.org
This is a fixes-only release.
to build a 2.6.21-rt1 tree, the following patches should be applied:
http://kernel.org/pub/linux/kernel/v2.6/linux-2.6.21.tar.bz2
http://redhat.com/~mingo/realtime-preempt/patch-2.6.21-rt1
Ingo
^ permalink raw reply [flat|nested] 27+ messages in thread
* Re: v2.6.21-rt1
2007-04-26 13:57 ` v2.6.21-rt1 Ingo Molnar
@ 2007-04-26 20:53 ` Free Ekanayaka
2007-05-03 19:16 ` v2.6.21-rt1 - bug in asm-mips/atomic.h Tim Bird
2007-05-17 18:46 ` v2.6.21-rt1 emin ak
2 siblings, 0 replies; 27+ messages in thread
From: Free Ekanayaka @ 2007-04-26 20:53 UTC (permalink / raw)
To: Ingo Molnar; +Cc: linux-kernel, linux-rt-users
Hi,
|--==> Ingo Molnar writes:
IM> i have released the v2.6.20-rt1 kernel, which can be downloaded from the
IM> usual place:
IM> http://redhat.com/~mingo/realtime-preempt/
IM> more info about the -rt patchset can be found in the RT wiki:
IM> http://rt.wiki.kernel.org
IM> This is a fixes-only release.
IM> to build a 2.6.21-rt1 tree, the following patches should be applied:
IM> http://kernel.org/pub/linux/kernel/v2.6/linux-2.6.21.tar.bz2
IM> http://redhat.com/~mingo/realtime-preempt/patch-2.6.21-rt1
I've tested the patch on a Pavillon zv5000 laptop (amd64) and
apparently the kernel still hangs when one of the script in the
initramfs [0] tries to run udevsettle.
Booting with noapic doesn't seem to help, and differently from the
2.6.21-rc6-rt0 release [1] this time the kernel won't boot even with
qemu.
Here's the config I used:
http://people.64studio.com/~free/config-2.6.21-rt1
Ciao,
Free
[0] http://people.64studio.com/~free/udev
[1] http://www.mail-archive.com/linux-rt-users@vger.kernel.org/msg00332.html
^ permalink raw reply [flat|nested] 27+ messages in thread
* Re: v2.6.21-rt1 - bug in asm-mips/atomic.h
2007-04-26 13:57 ` v2.6.21-rt1 Ingo Molnar
2007-04-26 20:53 ` v2.6.21-rt1 Free Ekanayaka
@ 2007-05-03 19:16 ` Tim Bird
2007-05-03 19:35 ` v2.6.21-rt1 - mips compile bugs Tim Bird
2007-05-17 18:46 ` v2.6.21-rt1 emin ak
2 siblings, 1 reply; 27+ messages in thread
From: Tim Bird @ 2007-05-03 19:16 UTC (permalink / raw)
To: Ingo Molnar; +Cc: linux-kernel, linux-rt-users
Ingo Molnar wrote:
> i have released the v2.6.20-rt1 kernel...
Ingo,
There appears to be a bug in the patch for include/asm-mips/atomic.h
In the hunk for line 554, it has 2 #endifs.
I think it should only have one.
A portion of the patch reads:
Index: new-linux/include/asm-mips/atomic.h
===================================================================
--- new-linux.orig/include/asm-mips/atomic.h 2007-04-25 20:08:32.000000000 -0700
+++ new-linux/include/asm-mips/atomic.h 2007-04-26 16:15:14.000000000 -0700
@@ -545,7 +554,9 @@
: "=&r" (result), "=&r" (temp), "=m" (v->counter)
: "Ir" (i), "m" (v->counter)
: "memory");
- } else {
+ }
+#if !defined(CONFIG_NO_SPINLOCK) && !defined(CONFIG_PREEMPT_RT)
+ else {
unsigned long flags;
raw_local_irq_save(flags);
@@ -554,6 +565,8 @@
v->counter = result;
raw_local_irq_restore(flags);
}
+#endif
+#endif
smp_mb();
When I applied the patch to 2.6.21 and tried to compile for MIPS I got:
CHK include/linux/utsrelease.h
CC arch/mips/kernel/asm-offsets.s
In file included from /home/tbird/work/alp-3.0/alp-linux/include/linux/rt_lock.h:14,
from /home/tbird/work/alp-3.0/alp-linux/include/linux/spinlock.h:116,
from /home/tbird/work/alp-3.0/alp-linux/include/linux/capability.h:45,
from /home/tbird/work/alp-3.0/alp-linux/include/linux/sched.h:47,
from /home/tbird/work/alp-3.0/alp-linux/arch/mips/kernel/asm-offsets.c:14:
include2/asm/atomic.h:571: error: expected '(' before 'volatile'
include2/asm/atomic.h:573: error: expected identifier or '(' before 'return'
include2/asm/atomic.h:574: error: expected identifier or '(' before '}' token
include2/asm/atomic.h:576: error: expected declaration specifiers or '...' before 'atomic64_t'
include2/asm/atomic.h: In function 'atomic64_sub_return':
include2/asm/atomic.h:593: error: 'v' undeclared (first use in this function)
include2/asm/atomic.h:593: error: (Each undeclared identifier is reported only once
include2/asm/atomic.h:593: error: for each function it appears in.)
include2/asm/atomic.h:585: error: invalid lvalue in asm output 2
include2/asm/atomic.h:585: error: memory input 4 is not directly addressable
include2/asm/atomic.h:599: error: invalid lvalue in asm output 2
include2/asm/atomic.h:599: error: memory input 4 is not directly addressable
include2/asm/atomic.h: At top level:
include2/asm/atomic.h:638: error: expected declaration specifiers or '...' before 'atomic64_t'
include2/asm/atomic.h: In function 'atomic64_sub_if_positive':
include2/asm/atomic.h:659: error: 'v' undeclared (first use in this function)
include2/asm/atomic.h:647: error: invalid lvalue in asm output 2
include2/asm/atomic.h:647: error: memory input 4 is not directly addressable
include2/asm/atomic.h:665: error: invalid lvalue in asm output 2
include2/asm/atomic.h:665: error: memory input 4 is not directly addressable
In file included from /home/tbird/work/alp-3.0/alp-linux/include/linux/rt_lock.h:14,
from /home/tbird/work/alp-3.0/alp-linux/include/linux/spinlock.h:116,
from /home/tbird/work/alp-3.0/alp-linux/include/linux/capability.h:45,
from /home/tbird/work/alp-3.0/alp-linux/include/linux/sched.h:47,
from /home/tbird/work/alp-3.0/alp-linux/arch/mips/kernel/asm-offsets.c:14:
include2/asm/atomic.h:779:2: error: #endif without #if
After removing the second #endif in the second hunk above, things compiled better.
-- Tim
=============================
Tim Bird
Architecture Group Chair, CE Linux Forum
Senior Staff Engineer, Sony Electronics
=============================
^ permalink raw reply [flat|nested] 27+ messages in thread
* Re: v2.6.21-rt1 - mips compile bugs
2007-05-03 19:16 ` v2.6.21-rt1 - bug in asm-mips/atomic.h Tim Bird
@ 2007-05-03 19:35 ` Tim Bird
0 siblings, 0 replies; 27+ messages in thread
From: Tim Bird @ 2007-05-03 19:35 UTC (permalink / raw)
To: Tim Bird; +Cc: Ingo Molnar, linux-kernel, linux-rt-users
Ingo Molnar wrote:
> i have released the v2.6.20-rt1 kernel...
There was also a problem with the patch for arch/mips/kernel/entry.S
Some kind of cruft was in the patch.
Below is a patch which fixes both issues. It at least allows compilation.
I haven't turned anything on, or looked at runtime yet.
Index: alp-linux/arch/mips/kernel/entry.S
===================================================================
--- alp-linux.orig/arch/mips/kernel/entry.S 2007-05-03 12:28:38.000000000 -0700
+++ alp-linux/arch/mips/kernel/entry.S 2007-05-03 12:21:47.000000000 -0700
@@ -21,8 +21,6 @@
#endif
#ifndef CONFIG_PREEMPT
-<<<<<<< delete local_irq_disable
- raw_local_irq_disable
#define resume_kernel restore_all
#else
#define __ret_from_irq ret_from_exception
@@ -32,7 +30,7 @@
.align 5
#ifndef CONFIG_PREEMPT
FEXPORT(ret_from_exception)
- local_irq_disable # preempt stop
+ raw_local_irq_disable # preempt stop
b __ret_from_irq
#endif
FEXPORT(ret_from_irq)
Index: alp-linux/include/asm-mips/atomic.h
===================================================================
--- alp-linux.orig/include/asm-mips/atomic.h 2007-05-03 12:28:38.000000000 -0700
+++ alp-linux/include/asm-mips/atomic.h 2007-05-03 11:56:58.000000000 -0700
@@ -566,7 +566,6 @@
raw_local_irq_restore(flags);
}
#endif
-#endif
smp_mb();
=============================
Tim Bird
Architecture Group Chair, CE Linux Forum
Senior Staff Engineer, Sony Electronics
=============================
^ permalink raw reply [flat|nested] 27+ messages in thread
* Re: v2.6.21-rt1
2007-04-26 13:57 ` v2.6.21-rt1 Ingo Molnar
2007-04-26 20:53 ` v2.6.21-rt1 Free Ekanayaka
2007-05-03 19:16 ` v2.6.21-rt1 - bug in asm-mips/atomic.h Tim Bird
@ 2007-05-17 18:46 ` emin ak
2 siblings, 0 replies; 27+ messages in thread
From: emin ak @ 2007-05-17 18:46 UTC (permalink / raw)
To: Ingo Molnar; +Cc: linux-kernel, linux-rt-users
[-- Attachment #1: Type: text/plain, Size: 5822 bytes --]
Hi,
This patch is failed for ppc arch (actually for mpc8540ads). too
because of compilition errors. Here is the output log and I have also
attached .config.
Any comments?
make uImage
HOSTLD scripts/kconfig/conf
scripts/kconfig/conf -s arch/ppc/Kconfig
CHK include/linux/version.h
CHK include/linux/utsrelease.h
UPD include/linux/utsrelease.h
CC arch/ppc/kernel/asm-offsets.s
In file included from arch/ppc/include/asm/hw_irq.h:110,
from include/asm/system.h:10,
from include/linux/list.h:9,
from include/linux/signal.h:8,
from arch/ppc/kernel/asm-offsets.c:11:
include/linux/irqflags.h:83:1: warning: "raw_local_irq_save" redefined
In file included from include/asm/system.h:10,
from include/linux/list.h:9,
from include/linux/signal.h:8,
from arch/ppc/kernel/asm-offsets.c:11:
arch/ppc/include/asm/hw_irq.h:103:1: warning: this is the location of
the previous definition
In file included from arch/ppc/include/asm/hw_irq.h:110,
from include/asm/system.h:10,
from include/linux/list.h:9,
from include/linux/signal.h:8,
from arch/ppc/kernel/asm-offsets.c:11:
include/linux/irqflags.h:88:1: warning: "raw_local_irq_restore" redefined
In file included from include/asm/system.h:10,
from include/linux/list.h:9,
from include/linux/signal.h:8,
from arch/ppc/kernel/asm-offsets.c:11:
arch/ppc/include/asm/hw_irq.h:59:1: warning: this is the location of
the previous definition
In file included from include/linux/time.h:7,
from include/linux/timex.h:57,
from include/linux/sched.h:51,
from arch/ppc/kernel/asm-offsets.c:12:
include/linux/seqlock.h: In function '__read_seqretry':
include/linux/seqlock.h:139: warning: implicit declaration of function
'local_irq_save'
include/linux/seqlock.h:140: warning: implicit declaration of function
'local_irq_restore'
GEN include/asm-ppc/asm-offsets.h
CC scripts/mod/empty.o
HOSTCC scripts/mod/mk_elfconfig
MKELF scripts/mod/elfconfig.h
HOSTCC scripts/mod/file2alias.o
HOSTCC scripts/mod/modpost.o
HOSTCC scripts/mod/sumversion.o
HOSTLD scripts/mod/modpost
CC init/main.o
In file included from include/asm/system.h:10,
from include/linux/spinlock.h:95,
from include/linux/module.h:9,
from init/main.c:13:
arch/ppc/include/asm/hw_irq.h:59:1: warning: "raw_local_irq_restore" redefined
In file included from include/linux/spinlock.h:93,
from include/linux/module.h:9,
from init/main.c:13:
include/linux/irqflags.h:88:1: warning: this is the location of the
previous definition
In file included from include/asm/system.h:10,
from include/linux/spinlock.h:95,
from include/linux/module.h:9,
from init/main.c:13:
arch/ppc/include/asm/hw_irq.h:65:46: error: macro
"raw_local_irq_disable" passed 1 arguments, but takes just 0
In file included from include/asm/system.h:10,
from include/linux/spinlock.h:95,
from include/linux/module.h:9,
from init/main.c:13:
arch/ppc/include/asm/hw_irq.h:66: error: syntax error before '{' token
arch/ppc/include/asm/hw_irq.h:77:45: error: macro
"raw_local_irq_enable" passed 1 arguments, but takes just 0
arch/ppc/include/asm/hw_irq.h:78: error: syntax error before '{' token
arch/ppc/include/asm/hw_irq.h:103:1: warning: "raw_local_irq_save" redefined
In file included from include/linux/spinlock.h:93,
from include/linux/module.h:9,
from init/main.c:13:
include/linux/irqflags.h:83:1: warning: this is the location of the
previous definition
In file included from include/linux/time.h:7,
from include/linux/stat.h:57,
from include/linux/module.h:11,
from init/main.c:13:
include/linux/seqlock.h: In function '__read_seqretry':
include/linux/seqlock.h:139: warning: implicit declaration of function
'local_irq_save'
include/linux/seqlock.h:140: warning: implicit declaration of function
'local_irq_restore'
In file included from include/linux/rtc.h:102,
from include/linux/efi.h:19,
from init/main.c:43:
include/linux/interrupt.h: In function 'cli':
include/linux/interrupt.h:210: warning: implicit declaration of
function 'local_irq_disable'
include/linux/interrupt.h: In function 'sti':
include/linux/interrupt.h:214: warning: implicit declaration of
function 'local_irq_enable'
include/linux/interrupt.h: In function 'save_flags':
include/linux/interrupt.h:218: warning: implicit declaration of
function 'local_save_flags'
init/main.c: In function 'start_kernel':
init/main.c:572: warning: implicit declaration of function 'irqs_disabled'
make[1]: *** [init/main.o] Error 1
make: *** [init] Error 2
2007/4/26, Ingo Molnar <mingo@elte.hu>:
>
> i have released the v2.6.20-rt1 kernel, which can be downloaded from the
> usual place:
>
> http://redhat.com/~mingo/realtime-preempt/
>
> more info about the -rt patchset can be found in the RT wiki:
>
> http://rt.wiki.kernel.org
>
> This is a fixes-only release.
>
> to build a 2.6.21-rt1 tree, the following patches should be applied:
>
> http://kernel.org/pub/linux/kernel/v2.6/linux-2.6.21.tar.bz2
> http://redhat.com/~mingo/realtime-preempt/patch-2.6.21-rt1
>
> Ingo
> -
> To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at http://vger.kernel.org/majordomo-info.html
> Please read the FAQ at http://www.tux.org/lkml/
>
[-- Attachment #2: .config --]
[-- Type: text/plain, Size: 18780 bytes --]
#
# Automatically generated make config: don't edit
# Linux kernel version: 2.6.21-rt1
# Thu May 17 16:40:32 2007
#
CONFIG_MMU=y
CONFIG_GENERIC_HARDIRQS=y
CONFIG_ARCH_HAS_ILOG2_U32=y
# CONFIG_ARCH_HAS_ILOG2_U64 is not set
CONFIG_GENERIC_HWEIGHT=y
CONFIG_GENERIC_CALIBRATE_DELAY=y
CONFIG_PPC=y
CONFIG_PPC32=y
CONFIG_GENERIC_NVRAM=y
CONFIG_GENERIC_FIND_NEXT_BIT=y
CONFIG_SCHED_NO_NO_OMIT_FRAME_POINTER=y
CONFIG_ARCH_MAY_HAVE_PC_FDC=y
CONFIG_GENERIC_BUG=y
CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
#
# Code maturity level options
#
CONFIG_EXPERIMENTAL=y
CONFIG_BROKEN_ON_SMP=y
CONFIG_LOCK_KERNEL=y
CONFIG_INIT_ENV_ARG_LIMIT=32
#
# General setup
#
CONFIG_LOCALVERSION=""
CONFIG_LOCALVERSION_AUTO=y
CONFIG_SWAP=y
CONFIG_SYSVIPC=y
# CONFIG_IPC_NS is not set
CONFIG_SYSVIPC_SYSCTL=y
# CONFIG_POSIX_MQUEUE is not set
# CONFIG_BSD_PROCESS_ACCT is not set
# CONFIG_TASKSTATS is not set
# CONFIG_UTS_NS is not set
# CONFIG_AUDIT is not set
# CONFIG_IKCONFIG is not set
CONFIG_SYSFS_DEPRECATED=y
# CONFIG_RELAY is not set
CONFIG_BLK_DEV_INITRD=y
CONFIG_INITRAMFS_SOURCE=""
# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
CONFIG_SYSCTL=y
CONFIG_EMBEDDED=y
CONFIG_SYSCTL_SYSCALL=y
# CONFIG_KALLSYMS is not set
# CONFIG_HOTPLUG is not set
CONFIG_PRINTK=y
CONFIG_BUG=y
CONFIG_ELF_CORE=y
CONFIG_BASE_FULL=y
CONFIG_FUTEX=y
# CONFIG_EPOLL is not set
CONFIG_SHMEM=y
CONFIG_SLAB=y
CONFIG_VM_EVENT_COUNTERS=y
CONFIG_RT_MUTEXES=y
# CONFIG_TINY_SHMEM is not set
CONFIG_BASE_SMALL=0
# CONFIG_SLOB is not set
#
# Loadable module support
#
# CONFIG_MODULES is not set
#
# Block layer
#
CONFIG_BLOCK=y
# CONFIG_LBD is not set
# CONFIG_BLK_DEV_IO_TRACE is not set
# CONFIG_LSF is not set
#
# IO Schedulers
#
CONFIG_IOSCHED_NOOP=y
CONFIG_IOSCHED_AS=y
CONFIG_IOSCHED_DEADLINE=y
CONFIG_IOSCHED_CFQ=y
# CONFIG_DEFAULT_AS is not set
# CONFIG_DEFAULT_DEADLINE is not set
CONFIG_DEFAULT_CFQ=y
# CONFIG_DEFAULT_NOOP is not set
CONFIG_DEFAULT_IOSCHED="cfq"
#
# Processor
#
# CONFIG_6xx is not set
# CONFIG_40x is not set
# CONFIG_44x is not set
# CONFIG_8xx is not set
# CONFIG_E200 is not set
CONFIG_E500=y
# CONFIG_PPC_DCR_NATIVE is not set
CONFIG_BOOKE=y
CONFIG_FSL_BOOKE=y
# CONFIG_PHYS_64BIT is not set
CONFIG_SPE=y
CONFIG_MATH_EMULATION=y
# CONFIG_KEXEC is not set
# CONFIG_CPU_FREQ is not set
# CONFIG_WANT_EARLY_SERIAL is not set
CONFIG_PPC_GEN550=y
CONFIG_85xx=y
CONFIG_PPC_INDIRECT_PCI_BE=y
#
# Freescale 85xx options
#
CONFIG_MPC8540_ADS=y
# CONFIG_MPC8548_CDS is not set
# CONFIG_MPC8555_CDS is not set
# CONFIG_MPC8560_ADS is not set
# CONFIG_SBC8560 is not set
# CONFIG_STX_GP3 is not set
# CONFIG_TQM8540 is not set
# CONFIG_TQM8541 is not set
# CONFIG_TQM8555 is not set
# CONFIG_TQM8560 is not set
CONFIG_MPC8540=y
#
# Platform options
#
# CONFIG_HIGHMEM is not set
CONFIG_ARCH_POPULATES_NODE_MAP=y
# CONFIG_HZ_100 is not set
CONFIG_HZ_250=y
# CONFIG_HZ_300 is not set
# CONFIG_HZ_1000 is not set
CONFIG_HZ=250
# CONFIG_PREEMPT_NONE is not set
# CONFIG_PREEMPT_VOLUNTARY is not set
# CONFIG_PREEMPT_DESKTOP is not set
CONFIG_PREEMPT_RT=y
CONFIG_PREEMPT=y
CONFIG_PREEMPT_SOFTIRQS=y
CONFIG_PREEMPT_HARDIRQS=y
CONFIG_PREEMPT_BKL=y
# CONFIG_CLASSIC_RCU is not set
CONFIG_PREEMPT_RCU=y
CONFIG_RCU_TRACE=y
CONFIG_RWSEM_GENERIC_SPINLOCK=y
CONFIG_ASM_SEMAPHORES=y
CONFIG_SELECT_MEMORY_MODEL=y
CONFIG_FLATMEM_MANUAL=y
# CONFIG_DISCONTIGMEM_MANUAL is not set
# CONFIG_SPARSEMEM_MANUAL is not set
CONFIG_FLATMEM=y
CONFIG_FLAT_NODE_MEM_MAP=y
# CONFIG_SPARSEMEM_STATIC is not set
CONFIG_SPLIT_PTLOCK_CPUS=4
# CONFIG_RESOURCES_64BIT is not set
CONFIG_ZONE_DMA_FLAG=1
CONFIG_BINFMT_ELF=y
# CONFIG_BINFMT_MISC is not set
# CONFIG_CMDLINE_BOOL is not set
# CONFIG_PM is not set
CONFIG_SECCOMP=y
CONFIG_ISA_DMA_API=y
#
# Bus options
#
CONFIG_ZONE_DMA=y
CONFIG_PPC_I8259=y
CONFIG_PPC_INDIRECT_PCI=y
CONFIG_PCI=y
CONFIG_PCI_DOMAINS=y
#
# PCCARD (PCMCIA/CardBus) support
#
# CONFIG_RAPIDIO is not set
#
# Advanced setup
#
# CONFIG_ADVANCED_OPTIONS is not set
#
# Default settings for advanced configuration options are used
#
CONFIG_HIGHMEM_START=0xfe000000
CONFIG_LOWMEM_SIZE=0x30000000
CONFIG_KERNEL_START=0xc0000000
CONFIG_TASK_SIZE=0x80000000
CONFIG_BOOT_LOAD=0x00800000
#
# Networking
#
CONFIG_NET=y
#
# Networking options
#
# CONFIG_NETDEBUG is not set
CONFIG_PACKET=y
# CONFIG_PACKET_MMAP is not set
CONFIG_UNIX=y
CONFIG_XFRM=y
# CONFIG_XFRM_USER is not set
# CONFIG_XFRM_SUB_POLICY is not set
# CONFIG_XFRM_MIGRATE is not set
# CONFIG_NET_KEY is not set
CONFIG_INET=y
CONFIG_IP_MULTICAST=y
# CONFIG_IP_ADVANCED_ROUTER is not set
CONFIG_IP_FIB_HASH=y
CONFIG_IP_PNP=y
CONFIG_IP_PNP_DHCP=y
CONFIG_IP_PNP_BOOTP=y
# CONFIG_IP_PNP_RARP is not set
# CONFIG_NET_IPIP is not set
# CONFIG_NET_IPGRE is not set
# CONFIG_IP_MROUTE is not set
# CONFIG_ARPD is not set
CONFIG_SYN_COOKIES=y
# CONFIG_INET_AH is not set
# CONFIG_INET_ESP is not set
# CONFIG_INET_IPCOMP is not set
# CONFIG_INET_XFRM_TUNNEL is not set
# CONFIG_INET_TUNNEL is not set
CONFIG_INET_XFRM_MODE_TRANSPORT=y
CONFIG_INET_XFRM_MODE_TUNNEL=y
CONFIG_INET_XFRM_MODE_BEET=y
CONFIG_INET_DIAG=y
CONFIG_INET_TCP_DIAG=y
# CONFIG_TCP_CONG_ADVANCED is not set
CONFIG_TCP_CONG_CUBIC=y
CONFIG_DEFAULT_TCP_CONG="cubic"
# CONFIG_TCP_MD5SIG is not set
# CONFIG_IPV6 is not set
# CONFIG_INET6_XFRM_TUNNEL is not set
# CONFIG_INET6_TUNNEL is not set
# CONFIG_NETWORK_SECMARK is not set
# CONFIG_NETFILTER is not set
#
# DCCP Configuration (EXPERIMENTAL)
#
# CONFIG_IP_DCCP is not set
#
# SCTP Configuration (EXPERIMENTAL)
#
# CONFIG_IP_SCTP is not set
#
# TIPC Configuration (EXPERIMENTAL)
#
# CONFIG_TIPC is not set
# CONFIG_ATM is not set
# CONFIG_BRIDGE is not set
# CONFIG_VLAN_8021Q is not set
# CONFIG_DECNET is not set
# CONFIG_LLC2 is not set
# CONFIG_IPX is not set
# CONFIG_ATALK is not set
# CONFIG_X25 is not set
# CONFIG_LAPB is not set
# CONFIG_ECONET is not set
# CONFIG_WAN_ROUTER is not set
#
# QoS and/or fair queueing
#
# CONFIG_NET_SCHED is not set
#
# Network testing
#
# CONFIG_NET_PKTGEN is not set
# CONFIG_HAMRADIO is not set
# CONFIG_IRDA is not set
# CONFIG_BT is not set
# CONFIG_IEEE80211 is not set
#
# Device Drivers
#
#
# Generic Driver Options
#
CONFIG_STANDALONE=y
CONFIG_PREVENT_FIRMWARE_BUILD=y
# CONFIG_SYS_HYPERVISOR is not set
#
# Connector - unified userspace <-> kernelspace linker
#
# CONFIG_CONNECTOR is not set
#
# Memory Technology Devices (MTD)
#
# CONFIG_MTD is not set
#
# Parallel port support
#
# CONFIG_PARPORT is not set
#
# Plug and Play support
#
# CONFIG_PNPACPI is not set
#
# Block devices
#
# CONFIG_BLK_DEV_FD is not set
# CONFIG_BLK_CPQ_DA is not set
# CONFIG_BLK_CPQ_CISS_DA is not set
# CONFIG_BLK_DEV_DAC960 is not set
# CONFIG_BLK_DEV_UMEM is not set
# CONFIG_BLK_DEV_COW_COMMON is not set
CONFIG_BLK_DEV_LOOP=y
# CONFIG_BLK_DEV_CRYPTOLOOP is not set
# CONFIG_BLK_DEV_NBD is not set
# CONFIG_BLK_DEV_SX8 is not set
CONFIG_BLK_DEV_RAM=y
CONFIG_BLK_DEV_RAM_COUNT=16
CONFIG_BLK_DEV_RAM_SIZE=32768
CONFIG_BLK_DEV_RAM_BLOCKSIZE=1024
# CONFIG_CDROM_PKTCDVD is not set
# CONFIG_ATA_OVER_ETH is not set
#
# Misc devices
#
# CONFIG_SGI_IOC4 is not set
# CONFIG_TIFM_CORE is not set
#
# ATA/ATAPI/MFM/RLL support
#
# CONFIG_IDE is not set
#
# SCSI device support
#
# CONFIG_RAID_ATTRS is not set
# CONFIG_SCSI is not set
# CONFIG_SCSI_NETLINK is not set
#
# Serial ATA (prod) and Parallel ATA (experimental) drivers
#
# CONFIG_ATA is not set
#
# Multi-device support (RAID and LVM)
#
# CONFIG_MD is not set
#
# Fusion MPT device support
#
# CONFIG_FUSION is not set
#
# IEEE 1394 (FireWire) support
#
# CONFIG_IEEE1394 is not set
#
# I2O device support
#
# CONFIG_I2O is not set
#
# Macintosh device drivers
#
# CONFIG_MAC_EMUMOUSEBTN is not set
# CONFIG_WINDFARM is not set
#
# Network device support
#
CONFIG_NETDEVICES=y
# CONFIG_DUMMY is not set
# CONFIG_BONDING is not set
# CONFIG_EQUALIZER is not set
# CONFIG_TUN is not set
#
# ARCnet devices
#
# CONFIG_ARCNET is not set
#
# PHY device support
#
CONFIG_PHYLIB=y
#
# MII PHY device drivers
#
# CONFIG_MARVELL_PHY is not set
# CONFIG_DAVICOM_PHY is not set
# CONFIG_QSEMI_PHY is not set
# CONFIG_LXT_PHY is not set
# CONFIG_CICADA_PHY is not set
# CONFIG_VITESSE_PHY is not set
# CONFIG_SMSC_PHY is not set
# CONFIG_BROADCOM_PHY is not set
# CONFIG_FIXED_PHY is not set
#
# Ethernet (10 or 100Mbit)
#
CONFIG_NET_ETHERNET=y
CONFIG_MII=y
# CONFIG_HAPPYMEAL is not set
# CONFIG_SUNGEM is not set
# CONFIG_CASSINI is not set
# CONFIG_NET_VENDOR_3COM is not set
#
# Tulip family network device support
#
# CONFIG_NET_TULIP is not set
# CONFIG_HP100 is not set
# CONFIG_NET_PCI is not set
#
# Ethernet (1000 Mbit)
#
# CONFIG_ACENIC is not set
# CONFIG_DL2K is not set
# CONFIG_E1000 is not set
# CONFIG_NS83820 is not set
# CONFIG_HAMACHI is not set
# CONFIG_YELLOWFIN is not set
# CONFIG_R8169 is not set
# CONFIG_SIS190 is not set
# CONFIG_SKGE is not set
# CONFIG_SKY2 is not set
# CONFIG_SK98LIN is not set
# CONFIG_TIGON3 is not set
# CONFIG_BNX2 is not set
CONFIG_GIANFAR=y
CONFIG_GFAR_NAPI=y
# CONFIG_QLA3XXX is not set
# CONFIG_ATL1 is not set
#
# Ethernet (10000 Mbit)
#
# CONFIG_CHELSIO_T1 is not set
# CONFIG_CHELSIO_T3 is not set
# CONFIG_IXGB is not set
# CONFIG_S2IO is not set
# CONFIG_MYRI10GE is not set
# CONFIG_NETXEN_NIC is not set
#
# Token Ring devices
#
# CONFIG_TR is not set
#
# Wireless LAN (non-hamradio)
#
# CONFIG_NET_RADIO is not set
#
# Wan interfaces
#
# CONFIG_WAN is not set
# CONFIG_FDDI is not set
# CONFIG_HIPPI is not set
# CONFIG_PPP is not set
# CONFIG_SLIP is not set
# CONFIG_SHAPER is not set
# CONFIG_NETCONSOLE is not set
# CONFIG_NETPOLL is not set
# CONFIG_NET_POLL_CONTROLLER is not set
#
# ISDN subsystem
#
# CONFIG_ISDN is not set
#
# Telephony Support
#
# CONFIG_PHONE is not set
#
# Input device support
#
CONFIG_INPUT=y
# CONFIG_INPUT_FF_MEMLESS is not set
#
# Userland interfaces
#
# CONFIG_INPUT_MOUSEDEV is not set
# CONFIG_INPUT_JOYDEV is not set
# CONFIG_INPUT_TSDEV is not set
# CONFIG_INPUT_EVDEV is not set
# CONFIG_INPUT_EVBUG is not set
#
# Input Device Drivers
#
# CONFIG_INPUT_KEYBOARD is not set
# CONFIG_INPUT_MOUSE is not set
# CONFIG_INPUT_JOYSTICK is not set
# CONFIG_INPUT_TOUCHSCREEN is not set
# CONFIG_INPUT_MISC is not set
#
# Hardware I/O ports
#
# CONFIG_SERIO is not set
# CONFIG_GAMEPORT is not set
#
# Character devices
#
# CONFIG_VT is not set
# CONFIG_SERIAL_NONSTANDARD is not set
#
# Serial drivers
#
CONFIG_SERIAL_8250=y
CONFIG_SERIAL_8250_CONSOLE=y
CONFIG_SERIAL_8250_PCI=y
CONFIG_SERIAL_8250_NR_UARTS=4
CONFIG_SERIAL_8250_RUNTIME_UARTS=4
# CONFIG_SERIAL_8250_EXTENDED is not set
#
# Non-8250 serial port support
#
# CONFIG_SERIAL_UARTLITE is not set
CONFIG_SERIAL_CORE=y
CONFIG_SERIAL_CORE_CONSOLE=y
# CONFIG_SERIAL_JSM is not set
CONFIG_UNIX98_PTYS=y
CONFIG_LEGACY_PTYS=y
CONFIG_LEGACY_PTY_COUNT=256
#
# IPMI
#
# CONFIG_IPMI_HANDLER is not set
#
# Watchdog Cards
#
# CONFIG_WATCHDOG is not set
CONFIG_HW_RANDOM=y
# CONFIG_NVRAM is not set
CONFIG_GEN_RTC=y
# CONFIG_GEN_RTC_X is not set
# CONFIG_DTLK is not set
# CONFIG_R3964 is not set
# CONFIG_APPLICOM is not set
# CONFIG_AGP is not set
# CONFIG_DRM is not set
# CONFIG_RAW_DRIVER is not set
#
# TPM devices
#
# CONFIG_TCG_TPM is not set
CONFIG_RMEM=y
CONFIG_ALLOC_RTSJ_MEM=y
#
# I2C support
#
CONFIG_I2C=y
CONFIG_I2C_CHARDEV=y
#
# I2C Algorithms
#
# CONFIG_I2C_ALGOBIT is not set
# CONFIG_I2C_ALGOPCF is not set
# CONFIG_I2C_ALGOPCA is not set
#
# I2C Hardware Bus support
#
# CONFIG_I2C_ALI1535 is not set
# CONFIG_I2C_ALI1563 is not set
# CONFIG_I2C_ALI15X3 is not set
# CONFIG_I2C_AMD756 is not set
# CONFIG_I2C_AMD8111 is not set
# CONFIG_I2C_I801 is not set
# CONFIG_I2C_I810 is not set
# CONFIG_I2C_PIIX4 is not set
CONFIG_I2C_MPC=y
# CONFIG_I2C_NFORCE2 is not set
# CONFIG_I2C_OCORES is not set
# CONFIG_I2C_PARPORT_LIGHT is not set
# CONFIG_I2C_PROSAVAGE is not set
# CONFIG_I2C_SAVAGE4 is not set
# CONFIG_I2C_SIS5595 is not set
# CONFIG_I2C_SIS630 is not set
# CONFIG_I2C_SIS96X is not set
# CONFIG_I2C_VIA is not set
# CONFIG_I2C_VIAPRO is not set
# CONFIG_I2C_VOODOO3 is not set
# CONFIG_I2C_PCA_ISA is not set
#
# Miscellaneous I2C Chip support
#
# CONFIG_SENSORS_DS1337 is not set
# CONFIG_SENSORS_DS1374 is not set
# CONFIG_SENSORS_EEPROM is not set
# CONFIG_SENSORS_PCF8574 is not set
# CONFIG_SENSORS_PCA9539 is not set
# CONFIG_SENSORS_PCF8591 is not set
# CONFIG_SENSORS_M41T00 is not set
# CONFIG_SENSORS_MAX6875 is not set
# CONFIG_I2C_DEBUG_CORE is not set
# CONFIG_I2C_DEBUG_ALGO is not set
# CONFIG_I2C_DEBUG_BUS is not set
# CONFIG_I2C_DEBUG_CHIP is not set
#
# SPI support
#
# CONFIG_SPI is not set
# CONFIG_SPI_MASTER is not set
#
# Dallas's 1-wire bus
#
# CONFIG_W1 is not set
#
# Hardware Monitoring support
#
CONFIG_HWMON=y
# CONFIG_HWMON_VID is not set
# CONFIG_SENSORS_ABITUGURU is not set
# CONFIG_SENSORS_ADM1021 is not set
# CONFIG_SENSORS_ADM1025 is not set
# CONFIG_SENSORS_ADM1026 is not set
# CONFIG_SENSORS_ADM1029 is not set
# CONFIG_SENSORS_ADM1031 is not set
# CONFIG_SENSORS_ADM9240 is not set
# CONFIG_SENSORS_ASB100 is not set
# CONFIG_SENSORS_ATXP1 is not set
# CONFIG_SENSORS_DS1621 is not set
# CONFIG_SENSORS_F71805F is not set
# CONFIG_SENSORS_FSCHER is not set
# CONFIG_SENSORS_FSCPOS is not set
# CONFIG_SENSORS_GL518SM is not set
# CONFIG_SENSORS_GL520SM is not set
# CONFIG_SENSORS_IT87 is not set
# CONFIG_SENSORS_LM63 is not set
# CONFIG_SENSORS_LM75 is not set
# CONFIG_SENSORS_LM77 is not set
# CONFIG_SENSORS_LM78 is not set
# CONFIG_SENSORS_LM80 is not set
# CONFIG_SENSORS_LM83 is not set
# CONFIG_SENSORS_LM85 is not set
# CONFIG_SENSORS_LM87 is not set
# CONFIG_SENSORS_LM90 is not set
# CONFIG_SENSORS_LM92 is not set
# CONFIG_SENSORS_MAX1619 is not set
# CONFIG_SENSORS_PC87360 is not set
# CONFIG_SENSORS_PC87427 is not set
# CONFIG_SENSORS_SIS5595 is not set
# CONFIG_SENSORS_SMSC47M1 is not set
# CONFIG_SENSORS_SMSC47M192 is not set
# CONFIG_SENSORS_SMSC47B397 is not set
# CONFIG_SENSORS_VIA686A is not set
# CONFIG_SENSORS_VT1211 is not set
# CONFIG_SENSORS_VT8231 is not set
# CONFIG_SENSORS_W83781D is not set
# CONFIG_SENSORS_W83791D is not set
# CONFIG_SENSORS_W83792D is not set
# CONFIG_SENSORS_W83793 is not set
# CONFIG_SENSORS_W83L785TS is not set
# CONFIG_SENSORS_W83627HF is not set
# CONFIG_SENSORS_W83627EHF is not set
# CONFIG_HWMON_DEBUG_CHIP is not set
#
# Multifunction device drivers
#
# CONFIG_MFD_SM501 is not set
#
# Multimedia devices
#
# CONFIG_VIDEO_DEV is not set
#
# Digital Video Broadcasting Devices
#
# CONFIG_DVB is not set
#
# Graphics support
#
# CONFIG_BACKLIGHT_LCD_SUPPORT is not set
# CONFIG_FB is not set
# CONFIG_FB_IBM_GXT4500 is not set
#
# Sound
#
# CONFIG_SOUND is not set
#
# HID Devices
#
CONFIG_HID=y
# CONFIG_HID_DEBUG is not set
#
# USB support
#
CONFIG_USB_ARCH_HAS_HCD=y
CONFIG_USB_ARCH_HAS_OHCI=y
CONFIG_USB_ARCH_HAS_EHCI=y
# CONFIG_USB is not set
#
# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support'
#
#
# USB Gadget Support
#
# CONFIG_USB_GADGET is not set
#
# MMC/SD Card support
#
# CONFIG_MMC is not set
#
# LED devices
#
# CONFIG_NEW_LEDS is not set
#
# LED drivers
#
#
# LED Triggers
#
#
# InfiniBand support
#
# CONFIG_INFINIBAND is not set
#
# EDAC - error detection and reporting (RAS) (EXPERIMENTAL)
#
#
# Real Time Clock
#
# CONFIG_RTC_CLASS is not set
#
# DMA Engine support
#
CONFIG_DMA_ENGINE=y
#
# DMA Clients
#
CONFIG_NET_DMA=y
#
# DMA Devices
#
CONFIG_INTEL_IOATDMA=y
#
# Auxiliary Display support
#
#
# Virtualization
#
#
# File systems
#
CONFIG_EXT2_FS=y
# CONFIG_EXT2_FS_XATTR is not set
# CONFIG_EXT2_FS_XIP is not set
CONFIG_EXT3_FS=y
CONFIG_EXT3_FS_XATTR=y
# CONFIG_EXT3_FS_POSIX_ACL is not set
# CONFIG_EXT3_FS_SECURITY is not set
# CONFIG_EXT4DEV_FS is not set
CONFIG_JBD=y
# CONFIG_JBD_DEBUG is not set
CONFIG_FS_MBCACHE=y
# CONFIG_REISERFS_FS is not set
# CONFIG_JFS_FS is not set
# CONFIG_FS_POSIX_ACL is not set
# CONFIG_XFS_FS is not set
# CONFIG_GFS2_FS is not set
# CONFIG_OCFS2_FS is not set
# CONFIG_MINIX_FS is not set
# CONFIG_ROMFS_FS is not set
CONFIG_INOTIFY=y
CONFIG_INOTIFY_USER=y
# CONFIG_QUOTA is not set
CONFIG_DNOTIFY=y
# CONFIG_AUTOFS_FS is not set
# CONFIG_AUTOFS4_FS is not set
# CONFIG_FUSE_FS is not set
#
# CD-ROM/DVD Filesystems
#
# CONFIG_ISO9660_FS is not set
# CONFIG_UDF_FS is not set
#
# DOS/FAT/NT Filesystems
#
# CONFIG_MSDOS_FS is not set
# CONFIG_VFAT_FS is not set
# CONFIG_NTFS_FS is not set
#
# Pseudo filesystems
#
CONFIG_PROC_FS=y
CONFIG_PROC_KCORE=y
CONFIG_PROC_SYSCTL=y
CONFIG_SYSFS=y
CONFIG_TMPFS=y
# CONFIG_TMPFS_POSIX_ACL is not set
# CONFIG_HUGETLB_PAGE is not set
CONFIG_RAMFS=y
# CONFIG_CONFIGFS_FS is not set
#
# Miscellaneous filesystems
#
# CONFIG_ADFS_FS is not set
# CONFIG_AFFS_FS is not set
# CONFIG_HFS_FS is not set
# CONFIG_HFSPLUS_FS is not set
# CONFIG_BEFS_FS is not set
# CONFIG_BFS_FS is not set
# CONFIG_EFS_FS is not set
# CONFIG_CRAMFS is not set
# CONFIG_VXFS_FS is not set
# CONFIG_HPFS_FS is not set
# CONFIG_QNX4FS_FS is not set
# CONFIG_SYSV_FS is not set
# CONFIG_UFS_FS is not set
#
# Network File Systems
#
CONFIG_NFS_FS=y
# CONFIG_NFS_V3 is not set
# CONFIG_NFS_V4 is not set
# CONFIG_NFS_DIRECTIO is not set
# CONFIG_NFSD is not set
CONFIG_ROOT_NFS=y
CONFIG_LOCKD=y
CONFIG_NFS_COMMON=y
CONFIG_SUNRPC=y
# CONFIG_RPCSEC_GSS_KRB5 is not set
# CONFIG_RPCSEC_GSS_SPKM3 is not set
# CONFIG_SMB_FS is not set
# CONFIG_CIFS is not set
# CONFIG_NCP_FS is not set
# CONFIG_CODA_FS is not set
# CONFIG_AFS_FS is not set
# CONFIG_9P_FS is not set
#
# Partition Types
#
CONFIG_PARTITION_ADVANCED=y
# CONFIG_ACORN_PARTITION is not set
# CONFIG_OSF_PARTITION is not set
# CONFIG_AMIGA_PARTITION is not set
# CONFIG_ATARI_PARTITION is not set
# CONFIG_MAC_PARTITION is not set
# CONFIG_MSDOS_PARTITION is not set
# CONFIG_LDM_PARTITION is not set
# CONFIG_SGI_PARTITION is not set
# CONFIG_ULTRIX_PARTITION is not set
# CONFIG_SUN_PARTITION is not set
# CONFIG_KARMA_PARTITION is not set
# CONFIG_EFI_PARTITION is not set
#
# Native Language Support
#
# CONFIG_NLS is not set
#
# Distributed Lock Manager
#
# CONFIG_DLM is not set
#
# Library routines
#
CONFIG_BITREVERSE=y
# CONFIG_CRC_CCITT is not set
# CONFIG_CRC16 is not set
CONFIG_CRC32=y
# CONFIG_LIBCRC32C is not set
CONFIG_PLIST=y
CONFIG_HAS_IOMEM=y
CONFIG_HAS_IOPORT=y
# CONFIG_PROFILING is not set
#
# Kernel hacking
#
# CONFIG_PRINTK_TIME is not set
CONFIG_ENABLE_MUST_CHECK=y
# CONFIG_MAGIC_SYSRQ is not set
# CONFIG_UNUSED_SYMBOLS is not set
# CONFIG_DEBUG_FS is not set
# CONFIG_HEADERS_CHECK is not set
# CONFIG_DEBUG_KERNEL is not set
CONFIG_LOG_BUF_SHIFT=14
# CONFIG_FUNCTION_TRACE is not set
# CONFIG_DEBUG_BUGVERBOSE is not set
# CONFIG_UNWIND_INFO is not set
# CONFIG_SERIAL_TEXT_DEBUG is not set
#
# Security options
#
# CONFIG_KEYS is not set
# CONFIG_SECURITY is not set
#
# Cryptographic options
#
# CONFIG_CRYPTO is not set
^ permalink raw reply [flat|nested] 27+ messages in thread
* Re: v2.6.20-rt1, yum/rpm
@ 2007-02-05 15:06 Milan Svoboda
0 siblings, 0 replies; 27+ messages in thread
From: Milan Svoboda @ 2007-02-05 15:06 UTC (permalink / raw)
To: linux-kernel
On Feb 5, 7:50 am, Ingo Molnar <m...@elte.hu> wrote:
> i have released the v2.6.20-rt1 kernel, which can be downloaded from the
> usual place:
>
Clean boot for me on ARM ixp4xx (gcc-4.1.1, glibc-2.5, big endian,
softfloat).
High-res timers looks good.
However, I'm trying to use PI mutexes in userspace
(pthread_mutexattr_setprotocol =>
PTHREAD_PRIO_INHERIT) and found strange behaviour. It seems to me that
mutex
is not really locked, ie. first thread locks mutex then second thread also
locks the
same mutex! Then the second mutex unlock it and when the first thread
unlocks the
mutex error EPERM is returned.
What do you think, is it kernel or glibc problem? (Priority ceiling works
as expected.)
Is PTHREAD_PRIO_INHERIT supposed to work on my platform?
If there is anything else what would you like to see from my system, let
me know.
See logs from pi_tests-1.15 => classic_pi.c (I added code that test return
value from
pthread_mutex_lock/pthread_mutex_unlock):
# /mnt/clfs/opt/classic_pi --verbose
main: Priority Inheritance turned on
set_cpu_affinity: using processr 0
main: creating low priority thread
main: creating medium priority thread
main: creating high priority thread
main: releasing all threads
high_priority: running as FIFO thread at priority 97
high_priority: entering ready state
med_priority: running as FIFO thread at priority 96
med_priority: entering ready state
low_priority: running as FIFO thread at priority 95
low_priority: entering ready state
main: all threads initialized, waiting for mutex to be claimed
main: waiting for threads to finish
high_priority: starting inversion loop (1)
high_priority: entering start state (1)
med_priority: starting inversion loop (1)
med_priority: entering start state (1)
low_priority: starting inversion loop (1)
low_priority: entering start wait (1)
high_priority: entering running state
med_priority: entering elevate state
low_priority: claiming mutex
low_priority: mutex locked
low_priority: entering locked wait
high_priority: locking mutex
high_priority: got mutex
high_priority: unlocking mutex
high_priority: entering finish state
low_priority: entering elevated wait
med_priority: entering finish state
low_priority: unlocking mutex
low_priority: mutex unlock failed: 1
low_priority: entering finish wait
high_priority: entering exit state
med_priority: entering exit state
low_priority: entering exit state
main: all threads terminated!
main: test passed
And this is log from kernel (I added prink to sys_futex and do_futex):
sys_futex: op == 0
do_futex: op == 0
sys_futex: op == 0
do_futex: op == 0
sys_futex: op == 0
do_futex: op == 0
sys_futex: op == 1
do_futex: op == 1
sys_futex: op == 0
do_futex: op == 0
sys_futex: op == 0
do_futex: op == 0
sys_futex: op == 0
do_futex: op == 0
sys_futex: op == 1
do_futex: op == 1
sys_futex: op == 0
do_futex: op == 0
sys_futex: op == 0
do_futex: op == 0
sys_futex: op == 1
do_futex: op == 1
sys_futex: op == 6
do_futex: op == 6
FUTEX_LOCK_PI
sys_futex: op == 7
do_futex: op == 7
FUTEX_UNLOCK_PI
sys_futex: op == 0
do_futex: op == 0
sys_futex: op == 1
do_futex: op == 1
sys_futex: op == 0
do_futex: op == 0
sys_futex: op == 1
do_futex: op == 1
sys_futex: op == 0
do_futex: op == 0
sys_futex: op == 0
do_futex: op == 0
sys_futex: op == 1
do_futex: op == 1
sys_futex: op == 1
do_futex: op == 1
^ permalink raw reply [flat|nested] 27+ messages in thread
end of thread, other threads:[~2007-05-17 18:46 UTC | newest]
Thread overview: 27+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2007-02-05 6:56 v2.6.20-rt1, yum/rpm Ingo Molnar
2007-02-05 9:18 ` Serge Belyshev
2007-02-05 9:02 ` Ingo Molnar
2007-02-05 10:36 ` Sunil Naidu
2007-02-05 10:42 ` Peter Zijlstra
2007-02-05 10:22 ` Ingo Molnar
2007-02-05 11:15 ` Sunil Naidu
2007-02-05 12:59 ` Michal Piotrowski
2007-02-05 13:47 ` Ingo Molnar
2007-02-05 21:29 ` Michal Piotrowski
2007-02-05 14:25 ` Karsten Wiese
2007-02-05 15:17 ` Parag Warudkar
2007-02-05 21:50 ` Michal Piotrowski
2007-02-06 0:11 ` Michal Piotrowski
2007-02-06 1:14 ` Daniel Walker
2007-02-06 10:10 ` Arjan van de Ven
2007-02-07 12:32 ` Ingo Molnar
2007-02-06 10:30 ` Sunil Naidu
2007-02-27 17:39 ` K.R. Foley
2007-02-28 8:11 ` Ingo Molnar
2007-02-28 10:16 ` K.R. Foley
2007-04-26 13:57 ` v2.6.21-rt1 Ingo Molnar
2007-04-26 20:53 ` v2.6.21-rt1 Free Ekanayaka
2007-05-03 19:16 ` v2.6.21-rt1 - bug in asm-mips/atomic.h Tim Bird
2007-05-03 19:35 ` v2.6.21-rt1 - mips compile bugs Tim Bird
2007-05-17 18:46 ` v2.6.21-rt1 emin ak
2007-02-05 15:06 v2.6.20-rt1, yum/rpm Milan Svoboda
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