* patch-2.6.20-rt5: time warp detected!
@ 2007-02-19 17:00 Wolfgang Grandegger
2007-02-20 10:14 ` Thomas Gleixner
0 siblings, 1 reply; 7+ messages in thread
From: Wolfgang Grandegger @ 2007-02-19 17:00 UTC (permalink / raw)
To: linux-rt-users
Hello,
sometimes I get the following message when calling ktime_get_real() from
my interrupt handler:
BUG: time warp detected!
prev > now, 104357354c79dfed > 1043573435312fb2:
= 4685606971 delta, on CPU#0
[<c0103d51>] dump_trace+0x68/0x1d9
[<c0103edd>] show_trace_log_lvl+0x1b/0x36
[<c01044dd>] show_trace+0xf/0x11
[<c010455e>] dump_stack+0x12/0x14
[<c012f1b2>] ktime_get_real+0x10/0x2c
[<e09c03ad>] rtcan_rcv+0x12/0x99 [xeno_can]
[<e09c951d>] rtcan_sja_interrupt+0x220/0x43e [xeno_can_sja1000]
[<e0992018>] _rtdm_irq_trampoline+0x15/0x34 [xeno_rtdm]
[<c0145eb7>] handle_IRQ_event+0x41/0xb7
[<c0146334>] thread_simple_irq+0x31/0x5f
[<c01468f8>] do_irqd+0xbd/0x249
[<c012c531>] kthread+0xa0/0xcb
[<c010397b>] kernel_thread_helper+0x7/0x10
=======================
---------------------------
| preempt count: 00000000 ]
| 0-level deep critical section nesting:
----------------------------------------
Any idea how this can happen?
Thanks.
Wolfgang.
^ permalink raw reply [flat|nested] 7+ messages in thread
* Re: patch-2.6.20-rt5: time warp detected!
2007-02-19 17:00 patch-2.6.20-rt5: time warp detected! Wolfgang Grandegger
@ 2007-02-20 10:14 ` Thomas Gleixner
2007-02-20 18:07 ` Wolfgang Grandegger
0 siblings, 1 reply; 7+ messages in thread
From: Thomas Gleixner @ 2007-02-20 10:14 UTC (permalink / raw)
To: Wolfgang Grandegger; +Cc: linux-rt-users
On Mon, 2007-02-19 at 18:00 +0100, Wolfgang Grandegger wrote:
> Hello,
>
> sometimes I get the following message when calling ktime_get_real() from
> my interrupt handler:
SMP machine ?
> BUG: time warp detected!
> prev > now, 104357354c79dfed > 1043573435312fb2:
> = 4685606971 delta, on CPU#0
> [<c0103d51>] dump_trace+0x68/0x1d9
> [<c0103edd>] show_trace_log_lvl+0x1b/0x36
> [<c01044dd>] show_trace+0xf/0x11
> [<c010455e>] dump_stack+0x12/0x14
> [<c012f1b2>] ktime_get_real+0x10/0x2c
> [<e09c03ad>] rtcan_rcv+0x12/0x99 [xeno_can]
> [<e09c951d>] rtcan_sja_interrupt+0x220/0x43e [xeno_can_sja1000]
> [<e0992018>] _rtdm_irq_trampoline+0x15/0x34 [xeno_rtdm]
> [<c0145eb7>] handle_IRQ_event+0x41/0xb7
> [<c0146334>] thread_simple_irq+0x31/0x5f
> [<c01468f8>] do_irqd+0xbd/0x249
> [<c012c531>] kthread+0xa0/0xcb
> [<c010397b>] kernel_thread_helper+0x7/0x10
> =======================
> ---------------------------
> | preempt count: 00000000 ]
> | 0-level deep critical section nesting:
> ----------------------------------------
>
> Any idea how this can happen?
Can you please provide a boot log ?
tglx
^ permalink raw reply [flat|nested] 7+ messages in thread
* Re: patch-2.6.20-rt5: time warp detected!
2007-02-20 10:14 ` Thomas Gleixner
@ 2007-02-20 18:07 ` Wolfgang Grandegger
2007-02-20 18:10 ` Alex Khripin
0 siblings, 1 reply; 7+ messages in thread
From: Wolfgang Grandegger @ 2007-02-20 18:07 UTC (permalink / raw)
To: tglx; +Cc: linux-rt-users
[-- Attachment #1: Type: text/plain, Size: 1308 bytes --]
Thomas Gleixner wrote:
> On Mon, 2007-02-19 at 18:00 +0100, Wolfgang Grandegger wrote:
>> Hello,
>>
>> sometimes I get the following message when calling ktime_get_real() from
>> my interrupt handler:
>
> SMP machine ?
No, it's my old DELL Inspiron 5000e notebook (with a PIII at 600 MHz).
>> BUG: time warp detected!
>> prev > now, 104357354c79dfed > 1043573435312fb2:
>> = 4685606971 delta, on CPU#0
>> [<c0103d51>] dump_trace+0x68/0x1d9
>> [<c0103edd>] show_trace_log_lvl+0x1b/0x36
>> [<c01044dd>] show_trace+0xf/0x11
>> [<c010455e>] dump_stack+0x12/0x14
>> [<c012f1b2>] ktime_get_real+0x10/0x2c
>> [<e09c03ad>] rtcan_rcv+0x12/0x99 [xeno_can]
>> [<e09c951d>] rtcan_sja_interrupt+0x220/0x43e [xeno_can_sja1000]
>> [<e0992018>] _rtdm_irq_trampoline+0x15/0x34 [xeno_rtdm]
>> [<c0145eb7>] handle_IRQ_event+0x41/0xb7
>> [<c0146334>] thread_simple_irq+0x31/0x5f
>> [<c01468f8>] do_irqd+0xbd/0x249
>> [<c012c531>] kthread+0xa0/0xcb
>> [<c010397b>] kernel_thread_helper+0x7/0x10
>> =======================
>> ---------------------------
>> | preempt count: 00000000 ]
>> | 0-level deep critical section nesting:
>> ----------------------------------------
>>
>> Any idea how this can happen?
>
> Can you please provide a boot log ?
Attached is the boot log.
Thanks.
Wolfgang.
[-- Warning: decoded text below may be mangled, UTF-8 assumed --]
[-- Attachment #2: linux-2.6.20-rt5-boot.log --]
[-- Type: text/x-log; name="linux-2.6.20-rt5-boot.log", Size: 11502 bytes --]
Linux version 2.6.20-rt5 (wolf@lancy.denx.de) (gcc version 4.1.1 20060525 (Red Hat 4.1.1-1)) #3 PREEMPT Mon Feb 19 11:23:03 CET 2007
BIOS-provided physical RAM map:
sanitize start
sanitize end
copy_e820_map() start: 0000000000000000 size: 000000000009f800 end: 000000000009f800 type: 1
copy_e820_map() type is E820_RAM
copy_e820_map() start: 000000000009f800 size: 0000000000000800 end: 00000000000a0000 type: 2
copy_e820_map() start: 00000000000e6800 size: 0000000000019800 end: 0000000000100000 type: 2
copy_e820_map() start: 0000000000100000 size: 000000001fef0000 end: 000000001fff0000 type: 1
copy_e820_map() type is E820_RAM
copy_e820_map() start: 000000001fff0000 size: 000000000000fc00 end: 000000001ffffc00 type: 3
copy_e820_map() start: 000000001ffffc00 size: 0000000000000400 end: 0000000020000000 type: 4
copy_e820_map() start: 00000000fff80000 size: 0000000000080000 end: 0000000100000000 type: 2
BIOS-e820: 0000000000000000 - 000000000009f800 (usable)
BIOS-e820: 000000000009f800 - 00000000000a0000 (reserved)
BIOS-e820: 00000000000e6800 - 0000000000100000 (reserved)
BIOS-e820: 0000000000100000 - 000000001fff0000 (usable)
BIOS-e820: 000000001fff0000 - 000000001ffffc00 (ACPI data)
BIOS-e820: 000000001ffffc00 - 0000000020000000 (ACPI NVS)
BIOS-e820: 00000000fff80000 - 0000000100000000 (reserved)
0MB HIGHMEM available.
511MB LOWMEM available.
Zone PFN ranges:
DMA 0 -> 4096
Normal 4096 -> 131056
HighMem 131056 -> 131056
early_node_map[1] active PFN ranges
0: 0 -> 131056
DMI 2.3 present.
ACPI: PM-Timer IO Port: 0x1008
Allocating PCI resources starting at 30000000 (gap: 20000000:dff80000)
Detected 597.434 MHz processor.
Real-Time Preemption Support (C) 2004-2007 Ingo Molnar
Built 1 zonelists. Total pages: 130033
Kernel command line: ro root=LABEL=/ rhgb lapic console=tty0 console=ttyS0,19200
Local APIC disabled by BIOS -- reenabling.
Could not enable APIC!
Enabling fast FPU save and restore... done.
Enabling unmasked SIMD FPU exception support... done.
Initializing CPU#0
WARNING: experimental RCU implementation.
CPU 0 irqstacks, hard=c04d2000 soft=c04d1000
PID hash table entries: 2048 (order: 11, 8192 bytes)
Console: colour VGA+ 80x25
num_possible_cpus(): 1
CPU#0: allocated 2097152 bytes trace buffer.
CPU#0: allocated 2097152 bytes max-trace buffer.
allocated 2097152 bytes out-trace buffer.
tracer: a total of 6291456 bytes allocated.
Dentry cache hash table entries: 65536 (order: 6, 262144 bytes)
Inode-cache hash table entries: 32768 (order: 5, 131072 bytes)
Memory: 507284k/524224k available (2385k kernel code, 16368k reserved, 1239k data, 256k init, 0k highmem)
virtual kernel memory layout:
fixmap : 0xfff9c000 - 0xfffff000 ( 396 kB)
pkmap : 0xff800000 - 0xffc00000 (4096 kB)
vmalloc : 0xe0800000 - 0xff7fe000 ( 495 MB)
lowmem : 0xc0000000 - 0xdfff0000 ( 511 MB)
.init : 0xc048c000 - 0xc04cc000 ( 256 kB)
.data : 0xc0354689 - 0xc048a614 (1239 kB)
.text : 0xc0100000 - 0xc0354689 (2385 kB)
Checking if this processor honours the WP bit even in supervisor mode... Ok.
Calibrating delay using timer specific routine.. 1195.46 BogoMIPS (lpj=597730)
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: L1 I cache: 16K, L1 D cache: 16K
CPU: L2 cache: 256K
Intel machine check architecture supported.
Intel machine check reporting enabled on CPU#0.
CPU: Intel Pentium III (Coppermine) stepping 03
Checking 'hlt' instruction... OK.
ACPI: Core revision 20060707
ACPI: setting ELCR to 0200 (from 0820)
NET: Registered protocol family 16
ACPI: bus type pci registered
PCI: PCI BIOS revision 2.10 entry at 0xfd9ae, last bus=1
PCI: Using configuration type 1
Setting up standard PCI resources
ACPI: Interpreter enabled
ACPI: Using PIC for interrupt routing
ACPI: PCI Root Bridge [PCI0] (0000:00)
PCI quirk: region 1000-103f claimed by PIIX4 ACPI
PCI quirk: region 1040-104f claimed by PIIX4 SMB
ACPI: [Package] has zero elements (dfe06ce0)
ACPI: [Package] has zero elements (dfe06e20)
ACPI: [Package] has zero elements (dfe06d40)
ACPI: [Package] has zero elements (dfe06ce0)
ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 6 7 9 10 *11 14 15)
ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 6 7 9 10 11 14 15) *0, disabled.
ACPI: PCI Interrupt Link [LNKC] (IRQs 5 7) *0, disabled.
ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 *5 6 7 9 10 11 14 15)
ACPI: [Package] has zero elements (dfe06c20)
ACPI: [Package] has zero elements (dfe06c80)
ACPI: [Package] has zero elements (dfe06c20)
ACPI: [Package] has zero elements (dfe06c40)
ACPI: [Package] has zero elements (dfe06e20)
ACPI: [Package] has zero elements (dfe06c00)
ACPI: [Package] has zero elements (dfe06b80)
ACPI: Power Resource [PFN0] (off)
ACPI: Power Resource [PFN1] (off)
Linux Plug and Play Support v0.97 (c) Adam Belay
pnp: PnP ACPI init
pnp: PnP ACPI: found 12 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
pnp: 00:05: ioport range 0x4d0-0x4d1 has been reserved
pnp: 00:05: ioport range 0x1040-0x104f has been reserved
pnp: 00:05: ioport range 0x3810-0x381f has been reserved
pnp: 00:05: ioport range 0x1016-0x103f has been reserved
pnp: 00:05: ioport range 0xfe00-0xfefe has been reserved
PCI: Bridge: 0000:00:01.0
IO window: 2000-2fff
MEM window: f4100000-f41fffff
PREFETCH window: f8000000-fbffffff
PCI: Bus 2, cardbus bridge: 0000:00:04.0
IO window: 00001c00-00001cff
IO window: 00003000-000030ff
PREFETCH window: 30000000-33ffffff
MEM window: 34000000-37ffffff
PCI: Bus 6, cardbus bridge: 0000:00:04.1
IO window: 00003400-000034ff
IO window: 00003c00-00003cff
PREFETCH window: 38000000-3bffffff
MEM window: 3c000000-3fffffff
ACPI: PCI Interrupt Link [LNKA] enabled at IRQ 11
ACPI: PCI Interrupt 0000:00:04.0[A] -> Link [LNKA] -> GSI 11 (level, low) -> IRQ 11
ACPI: PCI Interrupt 0000:00:04.1[A] -> Link [LNKA] -> GSI 11 (level, low) -> IRQ 11
NET: Registered protocol family 2
IP route cache hash table entries: 4096 (order: 2, 16384 bytes)
TCP established hash table entries: 16384 (order: 7, 786432 bytes)
TCP bind hash table entries: 8192 (order: 6, 360448 bytes)
TCP: Hash tables configured (established 16384 bind 8192)
TCP reno registered
checking if image is initramfs... it is
Freeing initrd memory: 1068k freed
Simple Boot Flag at 0x37 set to 0x1
apm: BIOS version 1.2 Flags 0x03 (Driver version 1.16ac)
apm: overridden by ACPI.
audit: initializing netlink socket (disabled)
audit(1171997956.540:1): initialized
Total HugeTLB memory allocated, 0
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 anticipatory registered
io scheduler deadline registered
io scheduler cfq registered (default)
Limiting direct PCI/PCI transfers.
pci_hotplug: PCI Hot Plug PCI Core version: 0.5
ACPI: Fan [FAN0] (on)
ACPI: Fan [FAN1] (on)
ACPI: CPU0 (power states: C1[C1] C2[C2])
ACPI: Processor [CPU0] (supports 8 throttling states)
ACPI: Invalid passive threshold
ACPI: Thermal Zone [THRM] (51 C)
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 440BX Chipset.
agpgart: AGP aperture is 64M @ 0xe0000000
Serial: 8250/16550 driver $Revision: 1.90 $ 4 ports, IRQ sharing enabled
^[%G�^[%@serial8250: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A
00:04: 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
PIIX4: IDE controller at PCI slot 0000:00:07.1
PIIX4: chipset revision 1
PIIX4: not 100% native mode: will probe irqs later
ide0: BM-DMA at 0x1050-0x1057, BIOS settings: hda:DMA, hdb:pio
ide1: BM-DMA at 0x1058-0x105f, BIOS settings: hdc:DMA, hdd:pio
hda: SAMSUNG MP0402H, ATA DISK drive
ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
hdc: LG DVD-ROM DRN-8080B, ATAPI CD/DVD-ROM drive
ide1 at 0x170-0x177,0x376 on irq 15
hda: max request size: 512KiB
hda: 78242976 sectors (40060 MB) w/8192KiB Cache, CHS=16383/255/63, UDMA(33)
hda: cache flushes supported
hda: hda1 hda2 hda3 hda4 < hda5 hda6 hda7 >
ide-floppy driver 0.99.newide
Yenta: CardBus bridge found at 0000:00:04.0 [1028:00cc]
Yenta: Enabling burst memory read transactions
Yenta: Using CSCINT to route CSC interrupts to PCI
Yenta: Routing CardBus interrupts to PCI
Yenta TI: socket 0000:00:04.0, mfunc 0x01021c72, devctl 0x66
Yenta: ISA IRQ mask 0x04b8, PCI irq 11
Socket status: 30000059
Yenta: CardBus bridge found at 0000:00:04.1 [1028:00cc]
Yenta: Using CSCINT to route CSC interrupts to PCI
Yenta: Routing CardBus interrupts to PCI
Yenta TI: socket 0000:00:04.1, mfunc 0x01021c72, devctl 0x66
Yenta: ISA IRQ mask 0x04b8, PCI irq 11
Socket status: 30000006
usbcore: registered new interface driver libusual
pccard: PCMCIA card inserted into slot 0
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:KBC,PNP0f13:MOUE] at 0x60,0x64 irq 1,12
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 bic registered
Initializing XFRM netlink socket
NET: Registered protocol family 1
NET: Registered protocol family 17
Using IPI Shortcut mode
Time: acpi_pm clocksource has been installed.
Switched to high resolution mode on CPU 0
ACPI: (supports S0 S1 S3 S4 S5)
*****************************************************************************
* *
* REMINDER, the following debugging option is turned on in your .config: *
* *
* CONFIG_FUNCTION_TRACE *
* *
* it may increase runtime overhead and latencies. *
* *
*****************************************************************************
Freeing unused kernel memory: 256k freed
Write protecting the kernel read-only data: 953k
Red Hat nash version 4.2.15 starting
Mounted /proc filesystem
Mounting sysfs
Creating /dev
Starting udev
Loading jbd.ko module
Loading ext3.ko module
Synaptics Touchpad, model: 1, fw: 4.3, id: 0x8858a1, caps: 0x0/0x0
Creating root device
input: SynPS/2 Synaptics TouchPad as /class/input/input1
Mounting root filesystem
kjournald starting. Commit interval 5 seconds
EXT3-fs: mounted filesystem with ordered data mode.
Switching to new root
unmounting old /proc
unmounting old /sys
Clocksource tsc unstable (delta = -97465797 ns)
SELinux: Disabled at runtime.
SELinux: Unregistering netfilter hooks
audit(1171997964.136:2): selinux=0 auid=4294967295
^ permalink raw reply [flat|nested] 7+ messages in thread
* Re: patch-2.6.20-rt5: time warp detected!
2007-02-20 18:07 ` Wolfgang Grandegger
@ 2007-02-20 18:10 ` Alex Khripin
2007-02-21 15:00 ` Thomas Gleixner
0 siblings, 1 reply; 7+ messages in thread
From: Alex Khripin @ 2007-02-20 18:10 UTC (permalink / raw)
To: Wolfgang Grandegger; +Cc: tglx, linux-rt-users
I have seen a similar event as well on -rt5; SMP kernel but on a P4 with
hyperthreading disabled.
Clocksource tsc unstable (delta = 9371396849 ns)
Time: acpi_pm clocksource has been installed.
BUG: time warp detected!
prev > now, 10413af090208d7c > 10413af039f0932f:
= 1445984845 delta, on CPU#0
[<78103e6e>] dump_trace+0x68/0x1d9
[<78103ff7>] show_trace_log_lvl+0x18/0x2c
[<781046b5>] show_trace+0xf/0x11
[<78104736>] dump_stack+0x12/0x14
[<781226fa>] do_gettimeofday+0x11e/0x14e
[<7811e442>] sys_time+0xa/0x2e
[<78102de2>] sysenter_past_esp+0x5f/0x85
[<6ffb6410>] 0x6ffb6410
=======================
Wolfgang Grandegger wrote:
> Thomas Gleixner wrote:
>> On Mon, 2007-02-19 at 18:00 +0100, Wolfgang Grandegger wrote:
>>> Hello,
>>>
>>> sometimes I get the following message when calling ktime_get_real()
>>> from my interrupt handler:
>>
>> SMP machine ?
>
> No, it's my old DELL Inspiron 5000e notebook (with a PIII at 600 MHz).
>
>>> BUG: time warp detected!
>>> prev > now, 104357354c79dfed > 1043573435312fb2:
>>> = 4685606971 delta, on CPU#0
>>> [<c0103d51>] dump_trace+0x68/0x1d9
>>> [<c0103edd>] show_trace_log_lvl+0x1b/0x36
>>> [<c01044dd>] show_trace+0xf/0x11
>>> [<c010455e>] dump_stack+0x12/0x14
>>> [<c012f1b2>] ktime_get_real+0x10/0x2c
>>> [<e09c03ad>] rtcan_rcv+0x12/0x99 [xeno_can]
>>> [<e09c951d>] rtcan_sja_interrupt+0x220/0x43e [xeno_can_sja1000]
>>> [<e0992018>] _rtdm_irq_trampoline+0x15/0x34 [xeno_rtdm]
>>> [<c0145eb7>] handle_IRQ_event+0x41/0xb7
>>> [<c0146334>] thread_simple_irq+0x31/0x5f
>>> [<c01468f8>] do_irqd+0xbd/0x249
>>> [<c012c531>] kthread+0xa0/0xcb
>>> [<c010397b>] kernel_thread_helper+0x7/0x10
>>> =======================
>>> ---------------------------
>>> | preempt count: 00000000 ]
>>> | 0-level deep critical section nesting:
>>> ----------------------------------------
>>>
>>> Any idea how this can happen?
>>
>> Can you please provide a boot log ?
>
> Attached is the boot log.
>
> Thanks.
>
> Wolfgang.
>
> ------------------------------------------------------------------------
>
> Linux version 2.6.20-rt5 (wolf@lancy.denx.de) (gcc version 4.1.1 20060525 (Red Hat 4.1.1-1)) #3 PREEMPT Mon Feb 19 11:23:03 CET 2007
> BIOS-provided physical RAM map:
> sanitize start
> sanitize end
> copy_e820_map() start: 0000000000000000 size: 000000000009f800 end: 000000000009f800 type: 1
> copy_e820_map() type is E820_RAM
> copy_e820_map() start: 000000000009f800 size: 0000000000000800 end: 00000000000a0000 type: 2
> copy_e820_map() start: 00000000000e6800 size: 0000000000019800 end: 0000000000100000 type: 2
> copy_e820_map() start: 0000000000100000 size: 000000001fef0000 end: 000000001fff0000 type: 1
> copy_e820_map() type is E820_RAM
> copy_e820_map() start: 000000001fff0000 size: 000000000000fc00 end: 000000001ffffc00 type: 3
> copy_e820_map() start: 000000001ffffc00 size: 0000000000000400 end: 0000000020000000 type: 4
> copy_e820_map() start: 00000000fff80000 size: 0000000000080000 end: 0000000100000000 type: 2
> BIOS-e820: 0000000000000000 - 000000000009f800 (usable)
> BIOS-e820: 000000000009f800 - 00000000000a0000 (reserved)
> BIOS-e820: 00000000000e6800 - 0000000000100000 (reserved)
> BIOS-e820: 0000000000100000 - 000000001fff0000 (usable)
> BIOS-e820: 000000001fff0000 - 000000001ffffc00 (ACPI data)
> BIOS-e820: 000000001ffffc00 - 0000000020000000 (ACPI NVS)
> BIOS-e820: 00000000fff80000 - 0000000100000000 (reserved)
> 0MB HIGHMEM available.
> 511MB LOWMEM available.
> Zone PFN ranges:
> DMA 0 -> 4096
> Normal 4096 -> 131056
> HighMem 131056 -> 131056
> early_node_map[1] active PFN ranges
> 0: 0 -> 131056
> DMI 2.3 present.
> ACPI: PM-Timer IO Port: 0x1008
> Allocating PCI resources starting at 30000000 (gap: 20000000:dff80000)
> Detected 597.434 MHz processor.
> Real-Time Preemption Support (C) 2004-2007 Ingo Molnar
> Built 1 zonelists. Total pages: 130033
> Kernel command line: ro root=LABEL=/ rhgb lapic console=tty0 console=ttyS0,19200
> Local APIC disabled by BIOS -- reenabling.
> Could not enable APIC!
> Enabling fast FPU save and restore... done.
> Enabling unmasked SIMD FPU exception support... done.
> Initializing CPU#0
> WARNING: experimental RCU implementation.
> CPU 0 irqstacks, hard=c04d2000 soft=c04d1000
> PID hash table entries: 2048 (order: 11, 8192 bytes)
> Console: colour VGA+ 80x25
> num_possible_cpus(): 1
> CPU#0: allocated 2097152 bytes trace buffer.
> CPU#0: allocated 2097152 bytes max-trace buffer.
> allocated 2097152 bytes out-trace buffer.
> tracer: a total of 6291456 bytes allocated.
> Dentry cache hash table entries: 65536 (order: 6, 262144 bytes)
> Inode-cache hash table entries: 32768 (order: 5, 131072 bytes)
> Memory: 507284k/524224k available (2385k kernel code, 16368k reserved, 1239k data, 256k init, 0k highmem)
> virtual kernel memory layout:
> fixmap : 0xfff9c000 - 0xfffff000 ( 396 kB)
> pkmap : 0xff800000 - 0xffc00000 (4096 kB)
> vmalloc : 0xe0800000 - 0xff7fe000 ( 495 MB)
> lowmem : 0xc0000000 - 0xdfff0000 ( 511 MB)
> .init : 0xc048c000 - 0xc04cc000 ( 256 kB)
> .data : 0xc0354689 - 0xc048a614 (1239 kB)
> .text : 0xc0100000 - 0xc0354689 (2385 kB)
> Checking if this processor honours the WP bit even in supervisor mode... Ok.
> Calibrating delay using timer specific routine.. 1195.46 BogoMIPS (lpj=597730)
> 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: L1 I cache: 16K, L1 D cache: 16K
> CPU: L2 cache: 256K
> Intel machine check architecture supported.
> Intel machine check reporting enabled on CPU#0.
> CPU: Intel Pentium III (Coppermine) stepping 03
> Checking 'hlt' instruction... OK.
> ACPI: Core revision 20060707
> ACPI: setting ELCR to 0200 (from 0820)
> NET: Registered protocol family 16
> ACPI: bus type pci registered
> PCI: PCI BIOS revision 2.10 entry at 0xfd9ae, last bus=1
> PCI: Using configuration type 1
> Setting up standard PCI resources
> ACPI: Interpreter enabled
> ACPI: Using PIC for interrupt routing
> ACPI: PCI Root Bridge [PCI0] (0000:00)
> PCI quirk: region 1000-103f claimed by PIIX4 ACPI
> PCI quirk: region 1040-104f claimed by PIIX4 SMB
> ACPI: [Package] has zero elements (dfe06ce0)
> ACPI: [Package] has zero elements (dfe06e20)
> ACPI: [Package] has zero elements (dfe06d40)
> ACPI: [Package] has zero elements (dfe06ce0)
> ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 6 7 9 10 *11 14 15)
> ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 6 7 9 10 11 14 15) *0, disabled.
> ACPI: PCI Interrupt Link [LNKC] (IRQs 5 7) *0, disabled.
> ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 *5 6 7 9 10 11 14 15)
> ACPI: [Package] has zero elements (dfe06c20)
> ACPI: [Package] has zero elements (dfe06c80)
> ACPI: [Package] has zero elements (dfe06c20)
> ACPI: [Package] has zero elements (dfe06c40)
> ACPI: [Package] has zero elements (dfe06e20)
> ACPI: [Package] has zero elements (dfe06c00)
> ACPI: [Package] has zero elements (dfe06b80)
> ACPI: Power Resource [PFN0] (off)
> ACPI: Power Resource [PFN1] (off)
> Linux Plug and Play Support v0.97 (c) Adam Belay
> pnp: PnP ACPI init
> pnp: PnP ACPI: found 12 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
> pnp: 00:05: ioport range 0x4d0-0x4d1 has been reserved
> pnp: 00:05: ioport range 0x1040-0x104f has been reserved
> pnp: 00:05: ioport range 0x3810-0x381f has been reserved
> pnp: 00:05: ioport range 0x1016-0x103f has been reserved
> pnp: 00:05: ioport range 0xfe00-0xfefe has been reserved
> PCI: Bridge: 0000:00:01.0
> IO window: 2000-2fff
> MEM window: f4100000-f41fffff
> PREFETCH window: f8000000-fbffffff
> PCI: Bus 2, cardbus bridge: 0000:00:04.0
> IO window: 00001c00-00001cff
> IO window: 00003000-000030ff
> PREFETCH window: 30000000-33ffffff
> MEM window: 34000000-37ffffff
> PCI: Bus 6, cardbus bridge: 0000:00:04.1
> IO window: 00003400-000034ff
> IO window: 00003c00-00003cff
> PREFETCH window: 38000000-3bffffff
> MEM window: 3c000000-3fffffff
> ACPI: PCI Interrupt Link [LNKA] enabled at IRQ 11
> ACPI: PCI Interrupt 0000:00:04.0[A] -> Link [LNKA] -> GSI 11 (level, low) -> IRQ 11
> ACPI: PCI Interrupt 0000:00:04.1[A] -> Link [LNKA] -> GSI 11 (level, low) -> IRQ 11
> NET: Registered protocol family 2
> IP route cache hash table entries: 4096 (order: 2, 16384 bytes)
> TCP established hash table entries: 16384 (order: 7, 786432 bytes)
> TCP bind hash table entries: 8192 (order: 6, 360448 bytes)
> TCP: Hash tables configured (established 16384 bind 8192)
> TCP reno registered
> checking if image is initramfs... it is
> Freeing initrd memory: 1068k freed
> Simple Boot Flag at 0x37 set to 0x1
> apm: BIOS version 1.2 Flags 0x03 (Driver version 1.16ac)
> apm: overridden by ACPI.
> audit: initializing netlink socket (disabled)
> audit(1171997956.540:1): initialized
> Total HugeTLB memory allocated, 0
> 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 anticipatory registered
> io scheduler deadline registered
> io scheduler cfq registered (default)
> Limiting direct PCI/PCI transfers.
> pci_hotplug: PCI Hot Plug PCI Core version: 0.5
> ACPI: Fan [FAN0] (on)
> ACPI: Fan [FAN1] (on)
> ACPI: CPU0 (power states: C1[C1] C2[C2])
> ACPI: Processor [CPU0] (supports 8 throttling states)
> ACPI: Invalid passive threshold
> ACPI: Thermal Zone [THRM] (51 C)
> 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 440BX Chipset.
> agpgart: AGP aperture is 64M @ 0xe0000000
> Serial: 8250/16550 driver $Revision: 1.90 $ 4 ports, IRQ sharing enabled
> ^[%G�^[%@serial8250: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A
> 00:04: 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
> PIIX4: IDE controller at PCI slot 0000:00:07.1
> PIIX4: chipset revision 1
> PIIX4: not 100% native mode: will probe irqs later
> ide0: BM-DMA at 0x1050-0x1057, BIOS settings: hda:DMA, hdb:pio
> ide1: BM-DMA at 0x1058-0x105f, BIOS settings: hdc:DMA, hdd:pio
> hda: SAMSUNG MP0402H, ATA DISK drive
> ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
> hdc: LG DVD-ROM DRN-8080B, ATAPI CD/DVD-ROM drive
> ide1 at 0x170-0x177,0x376 on irq 15
> hda: max request size: 512KiB
> hda: 78242976 sectors (40060 MB) w/8192KiB Cache, CHS=16383/255/63, UDMA(33)
> hda: cache flushes supported
> hda: hda1 hda2 hda3 hda4 < hda5 hda6 hda7 >
> ide-floppy driver 0.99.newide
> Yenta: CardBus bridge found at 0000:00:04.0 [1028:00cc]
> Yenta: Enabling burst memory read transactions
> Yenta: Using CSCINT to route CSC interrupts to PCI
> Yenta: Routing CardBus interrupts to PCI
> Yenta TI: socket 0000:00:04.0, mfunc 0x01021c72, devctl 0x66
> Yenta: ISA IRQ mask 0x04b8, PCI irq 11
> Socket status: 30000059
> Yenta: CardBus bridge found at 0000:00:04.1 [1028:00cc]
> Yenta: Using CSCINT to route CSC interrupts to PCI
> Yenta: Routing CardBus interrupts to PCI
> Yenta TI: socket 0000:00:04.1, mfunc 0x01021c72, devctl 0x66
> Yenta: ISA IRQ mask 0x04b8, PCI irq 11
> Socket status: 30000006
> usbcore: registered new interface driver libusual
> pccard: PCMCIA card inserted into slot 0
> 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:KBC,PNP0f13:MOUE] at 0x60,0x64 irq 1,12
> 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 bic registered
> Initializing XFRM netlink socket
> NET: Registered protocol family 1
> NET: Registered protocol family 17
> Using IPI Shortcut mode
> Time: acpi_pm clocksource has been installed.
> Switched to high resolution mode on CPU 0
> ACPI: (supports S0 S1 S3 S4 S5)
> *****************************************************************************
> * *
> * REMINDER, the following debugging option is turned on in your .config: *
> * *
> * CONFIG_FUNCTION_TRACE *
> * *
> * it may increase runtime overhead and latencies. *
> * *
> *****************************************************************************
> Freeing unused kernel memory: 256k freed
> Write protecting the kernel read-only data: 953k
> Red Hat nash version 4.2.15 starting
> Mounted /proc filesystem
> Mounting sysfs
> Creating /dev
> Starting udev
> Loading jbd.ko module
> Loading ext3.ko module
> Synaptics Touchpad, model: 1, fw: 4.3, id: 0x8858a1, caps: 0x0/0x0
> Creating root device
> input: SynPS/2 Synaptics TouchPad as /class/input/input1
> Mounting root filesystem
> kjournald starting. Commit interval 5 seconds
> EXT3-fs: mounted filesystem with ordered data mode.
> Switching to new root
> unmounting old /proc
> unmounting old /sys
> Clocksource tsc unstable (delta = -97465797 ns)
> SELinux: Disabled at runtime.
> SELinux: Unregistering netfilter hooks
> audit(1171997964.136:2): selinux=0 auid=4294967295
>
^ permalink raw reply [flat|nested] 7+ messages in thread
* Re: patch-2.6.20-rt5: time warp detected!
2007-02-20 18:10 ` Alex Khripin
@ 2007-02-21 15:00 ` Thomas Gleixner
2007-02-21 18:41 ` Wolfgang Grandegger
0 siblings, 1 reply; 7+ messages in thread
From: Thomas Gleixner @ 2007-02-21 15:00 UTC (permalink / raw)
To: Alex Khripin; +Cc: Wolfgang Grandegger, linux-rt-users
On Tue, 2007-02-20 at 13:10 -0500, Alex Khripin wrote:
> I have seen a similar event as well on -rt5; SMP kernel but on a P4 with
> hyperthreading disabled.
Alex, Wolfgang,
does this happen with -rt9 too ?
tglx
^ permalink raw reply [flat|nested] 7+ messages in thread
* Re: patch-2.6.20-rt5: time warp detected!
2007-02-21 15:00 ` Thomas Gleixner
@ 2007-02-21 18:41 ` Wolfgang Grandegger
2007-02-21 19:24 ` Thomas Gleixner
0 siblings, 1 reply; 7+ messages in thread
From: Wolfgang Grandegger @ 2007-02-21 18:41 UTC (permalink / raw)
To: tglx; +Cc: Alex Khripin, linux-rt-users
Thomas Gleixner wrote:
> On Tue, 2007-02-20 at 13:10 -0500, Alex Khripin wrote:
>> I have seen a similar event as well on -rt5; SMP kernel but on a P4 with
>> hyperthreading disabled.
>
> Alex, Wolfgang,
>
> does this happen with -rt9 too ?
Where can I find -rt9? At least it's not yet available on
http://people.redhat.com/mingo/realtime-preempt/.
Wolfgang.
^ permalink raw reply [flat|nested] 7+ messages in thread
* Re: patch-2.6.20-rt5: time warp detected!
2007-02-21 18:41 ` Wolfgang Grandegger
@ 2007-02-21 19:24 ` Thomas Gleixner
0 siblings, 0 replies; 7+ messages in thread
From: Thomas Gleixner @ 2007-02-21 19:24 UTC (permalink / raw)
To: Wolfgang Grandegger; +Cc: Alex Khripin, linux-rt-users
On Wed, 2007-02-21 at 19:41 +0100, Wolfgang Grandegger wrote:
> Thomas Gleixner wrote:
> > On Tue, 2007-02-20 at 13:10 -0500, Alex Khripin wrote:
> >> I have seen a similar event as well on -rt5; SMP kernel but on a P4 with
> >> hyperthreading disabled.
> >
> > Alex, Wolfgang,
> >
> > does this happen with -rt9 too ?
>
> Where can I find -rt9? At least it's not yet available on
> http://people.redhat.com/mingo/realtime-preempt/.
oops. -rt8 is the latest.
tglx
^ permalink raw reply [flat|nested] 7+ messages in thread
end of thread, other threads:[~2007-02-21 19:18 UTC | newest]
Thread overview: 7+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2007-02-19 17:00 patch-2.6.20-rt5: time warp detected! Wolfgang Grandegger
2007-02-20 10:14 ` Thomas Gleixner
2007-02-20 18:07 ` Wolfgang Grandegger
2007-02-20 18:10 ` Alex Khripin
2007-02-21 15:00 ` Thomas Gleixner
2007-02-21 18:41 ` Wolfgang Grandegger
2007-02-21 19:24 ` Thomas Gleixner
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