From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932857AbZHDPiB (ORCPT ); Tue, 4 Aug 2009 11:38:01 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755416AbZHDPiA (ORCPT ); Tue, 4 Aug 2009 11:38:00 -0400 Received: from e4.ny.us.ibm.com ([32.97.182.144]:40305 "EHLO e4.ny.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755271AbZHDPh5 (ORCPT ); Tue, 4 Aug 2009 11:37:57 -0400 Date: Tue, 4 Aug 2009 08:37:55 -0700 From: "Paul E. McKenney" To: Gautham R Shenoy Cc: Ingo Molnar , mingo@redhat.com, hpa@zytor.com, linux-kernel@vger.kernel.org, tglx@linutronix.de, linux-tip-commits@vger.kernel.org Subject: Re: [tip:core/rcu] rcu: Add diagnostic check for a possible CPU-hotplug race Message-ID: <20090804153755.GC6893@linux.vnet.ibm.com> Reply-To: paulmck@linux.vnet.ibm.com References: <20090802202720.GA32360@elte.hu> <20090802221324.GP6854@linux.vnet.ibm.com> <20090803070458.GA27581@elte.hu> <20090804081850.GA21474@in.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20090804081850.GA21474@in.ibm.com> User-Agent: Mutt/1.5.15+20070412 (2007-04-11) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Aug 04, 2009 at 01:48:50PM +0530, Gautham R Shenoy wrote: > On Mon, Aug 03, 2009 at 09:04:58AM +0200, Ingo Molnar wrote: > > [ 0.010000] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar > > [ 0.010000] ... MAX_LOCKDEP_SUBCLASSES: 8 > > [ 0.010000] ... MAX_LOCK_DEPTH: 48 > > [ 0.010000] ... MAX_LOCKDEP_KEYS: 8191 > > [ 0.010000] ... CLASSHASH_SIZE: 4096 > > [ 0.010000] ... MAX_LOCKDEP_ENTRIES: 16384 > > [ 0.010000] ... MAX_LOCKDEP_CHAINS: 32768 > > [ 0.010000] ... CHAINHASH_SIZE: 16384 > > [ 0.010000] memory used by lock dependency info: 5823 kB > > [ 0.010000] per task-struct memory footprint: 1920 bytes > > [ 0.010000] ------------------------ > > [ 0.010000] | Locking API testsuite: > > [ 0.010000] ---------------------------------------------------------------------------- > > [ 0.010000] | spin |wlock |rlock |mutex | wsem | rsem | > > [ 0.010000] -------------------------------------------------------------------------- > > [ 0.010000] A-A deadlock:failed|failed| ok |failed|failed|failed| > > [ 0.010000] A-B-B-A deadlock:failed|failed| ok |failed|failed|failed| > > [ 0.010000] A-B-B-C-C-A deadlock:failed|failed| ok |failed|failed|failed| > > [ 0.010000] A-B-C-A-B-C deadlock:failed|failed| ok |failed|failed|failed| > > [ 0.010000] A-B-B-C-C-D-D-A deadlock:failed|failed| ok |failed|failed|failed| > > [ 0.010000] A-B-C-D-B-D-D-A deadlock:failed|failed| ok |failed|failed|failed| > > [ 0.010000] A-B-C-D-B-C-D-A deadlock:failed|failed| ok |failed|failed|failed| > > [ 0.010000] double unlock: ok | ok | ok | ok | ok | ok | > > [ 0.010000] initialize held: ok | ok | ok | ok | ok | ok | > > [ 0.010000] bad unlock order: ok | ok | ok | ok | ok | ok | > > [ 0.010000] -------------------------------------------------------------------------- > > [ 0.010000] recursive read-lock: | ok | |failed| > > [ 0.010000] recursive read-lock #2: | ok | |failed| > > [ 0.010000] mixed read-write-lock: |failed| |failed| > > [ 0.010000] mixed write-read-lock: |failed| |failed| > > [ 0.010000] -------------------------------------------------------------------------- > > [ 0.010000] hard-irqs-on + irq-safe-A/12:failed|failed| ok | > > [ 0.010000] soft-irqs-on + irq-safe-A/12:failed|failed| ok | > > [ 0.010000] hard-irqs-on + irq-safe-A/21:failed|failed| ok | > > [ 0.010000] soft-irqs-on + irq-safe-A/21:failed|failed| ok | > > [ 0.010000] sirq-safe-A => hirqs-on/12:failed|failed| ok | > > [ 0.010000] sirq-safe-A => hirqs-on/21:failed|failed| ok | > > [ 0.010000] hard-safe-A + irqs-on/12:failed|failed| ok | > > [ 0.010000] soft-safe-A + irqs-on/12:failed|failed| ok | > > [ 0.010000] hard-safe-A + irqs-on/21:failed|failed| ok | > > [ 0.010000] soft-safe-A + irqs-on/21:failed|failed| ok | > > [ 0.010000] hard-safe-A + unsafe-B #1/123:failed|failed| ok | > > [ 0.010000] soft-safe-A + unsafe-B #1/123:failed|failed| ok | > > [ 0.010000] hard-safe-A + unsafe-B #1/132:failed|failed| ok | > > [ 0.010000] soft-safe-A + unsafe-B #1/132:failed|failed| ok | > > [ 0.010000] hard-safe-A + unsafe-B #1/213:failed|failed| ok | > > [ 0.010000] soft-safe-A + unsafe-B #1/213:failed|failed| ok | > > [ 0.010000] hard-safe-A + unsafe-B #1/231:failed|failed| ok | > > [ 0.010000] soft-safe-A + unsafe-B #1/231:failed|failed| ok | > > [ 0.010000] hard-safe-A + unsafe-B #1/312:failed|failed| ok | > > [ 0.010000] soft-safe-A + unsafe-B #1/312:failed|failed| ok | > > [ 0.010000] hard-safe-A + unsafe-B #1/321:failed|failed| ok | > > [ 0.010000] soft-safe-A + unsafe-B #1/321:failed|failed| ok | > > [ 0.010000] hard-safe-A + unsafe-B #2/123:failed|failed| ok | > > [ 0.010000] soft-safe-A + unsafe-B #2/123:failed|failed| ok | > > [ 0.010000] hard-safe-A + unsafe-B #2/132:failed|failed| ok | > > [ 0.010000] soft-safe-A + unsafe-B #2/132:failed|failed| ok | > > [ 0.010000] hard-safe-A + unsafe-B #2/213:failed|failed| ok | > > [ 0.010000] soft-safe-A + unsafe-B #2/213:failed|failed| ok | > > [ 0.010000] hard-safe-A + unsafe-B #2/231:failed|failed| ok | > > [ 0.010000] soft-safe-A + unsafe-B #2/231:failed|failed| ok | > > [ 0.010000] hard-safe-A + unsafe-B #2/312:failed|failed| ok | > > [ 0.010000] soft-safe-A + unsafe-B #2/312:failed|failed| ok | > > [ 0.010000] hard-safe-A + unsafe-B #2/321:failed|failed| ok | > > [ 0.010000] soft-safe-A + unsafe-B #2/321:failed|failed| ok | > > [ 0.010000] hard-irq lock-inversion/123:failed|failed| ok | > > [ 0.010000] soft-irq lock-inversion/123:failed|failed| ok | > > [ 0.010000] hard-irq lock-inversion/132:failed|failed| ok | > > [ 0.010000] soft-irq lock-inversion/132:failed|failed| ok | > > [ 0.010000] hard-irq lock-inversion/213:failed|failed| ok | > > [ 0.010000] soft-irq lock-inversion/213:failed|failed| ok | > > [ 0.010000] hard-irq lock-inversion/231:failed|failed| ok | > > [ 0.010000] soft-irq lock-inversion/231:failed|failed| ok | > > [ 0.010000] hard-irq lock-inversion/312:failed|failed| ok | > > [ 0.010000] soft-irq lock-inversion/312:failed|failed| ok | > > [ 0.010000] hard-irq lock-inversion/321:failed|failed| ok | > > [ 0.010000] soft-irq lock-inversion/321:failed|failed| ok | > > [ 0.010000] hard-irq read-recursion/123: ok | > > [ 0.010000] soft-irq read-recursion/123: ok | > > [ 0.010000] hard-irq read-recursion/132: ok | > > [ 0.010000] soft-irq read-recursion/132: ok | > > [ 0.010000] hard-irq read-recursion/213: ok | > > [ 0.010000] soft-irq read-recursion/213: ok | > > [ 0.010000] hard-irq read-recursion/231: ok | > > [ 0.010000] soft-irq read-recursion/231: ok | > > [ 0.010000] hard-irq read-recursion/312: ok | > > [ 0.010000] soft-irq read-recursion/312: ok | > > [ 0.010000] hard-irq read-recursion/321: ok | > > [ 0.010000] soft-irq read-recursion/321: ok | > > [ 0.010000] -------------------------------------------------------- > > [ 0.010000] 133 out of 218 testcases failed, as expected. | > > [ 0.010000] ---------------------------------------------------- > > Hmm.. I tried to reproduce this on a similar 2 CPU machine running > linux-2.6.31-rc5-tip. However, I couldn't reproduce this WARN_ON. > > That aside, in my case, all the 218 lockdep test cases passed, > while this bootlog shows quite a few failures. > So, wondering if I am testing the right kernel version. > > Appending the patch, bootup log and the config. I like this patch, one small comment below. Thanx, Paul > /*************** Patch ******************************/ > > rcu: Check if the cpu has been initialized before handling callbacks > > From: Gautham R Shenoy > > Signed-off-by: Gautham R Shenoy > --- > kernel/rcutree.c | 4 ++++ > 1 files changed, 4 insertions(+), 0 deletions(-) > > diff --git a/kernel/rcutree.c b/kernel/rcutree.c > index 0e40e61..1809cc8 100644 > --- a/kernel/rcutree.c > +++ b/kernel/rcutree.c > @@ -1137,6 +1137,8 @@ __rcu_process_callbacks(struct rcu_state *rsp, struct rcu_data *rdp) > { > unsigned long flags; > > + WARN_ON_ONCE(rdp->beenonline == 0); > + > /* > * If an RCU GP has gone long enough, go check for dyntick > * idle CPUs and, if needed, send resched IPIs. > @@ -1351,6 +1353,8 @@ rcu_init_percpu_data(int cpu, struct rcu_state *rsp) > struct rcu_data *rdp = rsp->rda[cpu]; > struct rcu_node *rnp = rcu_get_root(rsp); > > + printk(KERN_INFO "Initializing RCU for cpu %d\n", cpu); Suggest: printk(KERN_INFO "Initializing RCU for cpu %d, structure %p\n", cpu, rsp); Just to avoid people being confused by RCU initializing twice per CPU. Or three times with the new preemptable RCU. ;-) > + > /* Set up local state, ensuring consistent view of global state. */ > spin_lock_irqsave(&rnp->lock, flags); > lastcomp = rsp->completed; > > > /*************** Boot Log ******************************/ > root (hd0,0) > Filesystem type is ext2fs, partition type 0x83 > kernel /boot/vmlinuz-autobench console=tty0 console=ttyS0,9600 autobench_args: > root=/dev/sda2 ABAT:1249362544 > [Linux-bzImage, setup=0x3000, size=0x334830] > initrd /boot/initrd-autobench.img > [Linux-initrd @ 0x37de8000, 0x2077cb bytes] > boot > Linux version 2.6.31-rc5-autokern1-tip (root@elm3b165) (gcc version 4.0.3 (Ubuntu 4.0.3-1ubuntu5)) #1 SMP Tue Aug 4 05:08:45 UTC 2009 > Command line: console=tty0 console=ttyS0,9600 autobench_args: root=/dev/sda2 ABAT:1249362544 > KERNEL supported cpus: > Intel GenuineIntel > AMD AuthenticAMD > Centaur CentaurHauls > BIOS-provided physical RAM map: > BIOS-e820: 0000000000000000 - 000000000009ac00 (usable) > BIOS-e820: 000000000009ac00 - 00000000000a0000 (reserved) > BIOS-e820: 00000000000d4000 - 0000000000100000 (reserved) > BIOS-e820: 0000000000100000 - 00000000dff70000 (usable) > BIOS-e820: 00000000dff70000 - 00000000dff7b000 (ACPI data) > BIOS-e820: 00000000dff7b000 - 00000000dff80000 (ACPI NVS) > BIOS-e820: 00000000dff80000 - 00000000e0000000 (reserved) > BIOS-e820: 00000000fec00000 - 00000000fec00400 (reserved) > BIOS-e820: 00000000fee00000 - 00000000fee01000 (reserved) > BIOS-e820: 00000000fff80000 - 0000000100000000 (reserved) > BIOS-e820: 0000000100000000 - 0000000400000000 (usable) > DMI 2.3 present. > last_pfn = 0x400000 max_arch_pfn = 0x400000000 > last_pfn = 0xdff70 max_arch_pfn = 0x400000000 > init_memory_mapping: 0000000000000000-00000000dff70000 > init_memory_mapping: 0000000100000000-0000000400000000 > RAMDISK: 37de8000 - 37fef7cb > ACPI: RSDP 00000000000f7560 00024 (v02 PTLTD ) > ACPI: XSDT 00000000dff78a5b 0004C (v01 PTLTD XSDT 06040000 LTP 00000000) > ACPI: FACP 00000000dff7ac02 000F4 (v03 AMD HAMMER 06040000 PTEC 000F4240) > ACPI: DSDT 00000000dff78aa7 020E7 (v01 AMD-K8 AMDACPI 06040000 MSFT 0100000E) > ACPI: FACS 00000000dff7bfc0 00040 > ACPI: SSDT 00000000dff7acf6 0020C (v01 PTLTD POWERNOW 06040000 LTP 00000001) > ACPI: HPET 00000000dff7af02 00038 (v01 AMD HAMMER 06040000 PTEC 00000000) > ACPI: APIC 00000000dff7af3a 00076 (v01 PTLTD APIC 06040000 LTP 00000000) > ACPI: SPCR 00000000dff7afb0 00050 (v01 PTLTD $UCRTBL$ 06040000 PTL 00000001) > Scanning NUMA topology in Northbridge 24 > Number of nodes 2 > Node 0 MemBase 0000000000000000 Limit 0000000200000000 > Node 1 MemBase 0000000200000000 Limit 0000000400000000 > Using node hash shift of 33 > found SMP MP-table at [ffff8800000f75e0] f75e0 > Bootmem setup node 0 0000000000000000-0000000200000000 > NODE_DATA [0000000000001000 - 0000000000005fff] > bootmap [0000000000018000 - 0000000000057fff] pages 40 > (8 early reservations) ==> bootmem [0000000000 - 0200000000] > #0 [0000000000 - 0000001000] BIOS data page ==> [0000000000 - 0000001000] > #1 [0000006000 - 0000008000] TRAMPOLINE ==> [0000006000 - 0000008000] > #2 [0001000000 - 00022fbea8] TEXT DATA BSS ==> [0001000000 - 00022fbea8] > #3 [0037de8000 - 0037fef7cb] RAMDISK ==> [0037de8000 - 0037fef7cb] > #4 [000009ac00 - 0000100000] BIOS reserved ==> [000009ac00 - 0000100000] > #5 [00022fc000 - 00022fc108] BRK ==> [00022fc000 - 00022fc108] > #6 [0000008000 - 000000c000] PGTABLE ==> [0000008000 - 000000c000] > #7 [000000c000 - 0000018000] PGTABLE ==> [000000c000 - 0000018000] > Bootmem setup node 1 0000000200000000-0000000400000000 > NODE_DATA [0000000200000000 - 0000000200004fff] > bootmap [0000000200005000 - 0000000200044fff] pages 40 > (8 early reservations) ==> bootmem [0200000000 - 0400000000] > #0 [0000000000 - 0000001000] BIOS data page > #1 [0000006000 - 0000008000] TRAMPOLINE > #2 [0001000000 - 00022fbea8] TEXT DATA BSS > #3 [0037de8000 - 0037fef7cb] RAMDISK > #4 [000009ac00 - 0000100000] BIOS reserved > #5 [00022fc000 - 00022fc108] BRK > #6 [0000008000 - 000000c000] PGTABLE > #7 [000000c000 - 0000018000] PGTABLE > found SMP MP-table at [ffff8800000f75e0] f75e0 > Zone PFN ranges: > DMA 0x00000000 -> 0x00001000 > DMA32 0x00001000 -> 0x00100000 > Normal 0x00100000 -> 0x00400000 > Movable zone start PFN for each node > early_node_map[4] active PFN ranges > 0: 0x00000000 -> 0x0000009a > 0: 0x00000100 -> 0x000dff70 > 0: 0x00100000 -> 0x00200000 > 1: 0x00200000 -> 0x00400000 > Detected use of extended apic ids on hypertransport bus > Detected use of extended apic ids on hypertransport bus > ACPI: PM-Timer IO Port: 0x8008 > ACPI: LAPIC (acpi_id[0x00] lapic_id[0x00] enabled) > ACPI: LAPIC (acpi_id[0x01] lapic_id[0x01] enabled) > ACPI: LAPIC_NMI (acpi_id[0x00] high edge lint[0x1]) > ACPI: LAPIC_NMI (acpi_id[0x01] high edge lint[0x1]) > ACPI: IOAPIC (id[0x02] address[0xfec00000] gsi_base[0]) > IOAPIC[0]: apic_id 2, version 17, address 0xfec00000, GSI 0-23 > ACPI: IOAPIC (id[0x03] address[0xe8000000] gsi_base[24]) > IOAPIC[1]: apic_id 3, version 17, address 0xe8000000, GSI 24-27 > ACPI: IOAPIC (id[0x04] address[0xe8001000] gsi_base[28]) > IOAPIC[2]: apic_id 4, version 17, address 0xe8001000, GSI 28-31 > ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 high edge) > Using ACPI (MADT) for SMP configuration information > ACPI: HPET id: 0x102282a0 base: 0xfed00000 > SMP: Allowing 2 CPUs, 0 hotplug CPUs > Allocating PCI resources starting at e0000000 (gap: e0000000:1ec00000) > NR_CPUS:32 nr_cpumask_bits:32 nr_cpu_ids:2 nr_node_ids:2 > PERCPU: Remapped at ffffc90000000000 with large pages, static data 1914656 bytes > Built 2 zonelists in Zone order, mobility grouping on. Total pages: 3956370 > Policy zone: Normal > Kernel command line: console=tty0 console=ttyS0,9600 autobench_args: root=/dev/sda2 ABAT:1249362544 > PID hash table entries: 4096 (order: 12, 32768 bytes) > Initializing CPU#0 > Checking aperture... > No AGP bridge found > Node 0: aperture @ 0 size 32 MB > Your BIOS doesn't leave a aperture memory hole > Please enable the IOMMU option in the BIOS setup > This costs you 64 MB of RAM > Mapping aperture over 65536 KB of RAM @ 20000000 > Memory: 15746208k/16777216k available (4270k kernel code, 525272k absent, 505736k reserved, 3005k data, 2396k init) > Hierarchical RCU implementation. > RCU-based detection of stalled CPUs is enabled. > Initializing RCU for cpu 0 > Initializing RCU for cpu 0 > NR_IRQS:1280 > Extended CMOS year: 2000 > Fast TSC calibration using PIT > Detected 2392.251 MHz processor. > Console: colour VGA+ 80x25 > console [tty0] enabled > console [ttyS0] enabled > Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar > ... MAX_LOCKDEP_SUBCLASSES: 8 > ... MAX_LOCK_DEPTH: 48 > ... MAX_LOCKDEP_KEYS: 8191 > ... CLASSHASH_SIZE: 4096 > ... MAX_LOCKDEP_ENTRIES: 16384 > ... MAX_LOCKDEP_CHAINS: 32768 > ... CHAINHASH_SIZE: 16384 > memory used by lock dependency info: 6367 kB > per task-struct memory footprint: 2688 bytes > ------------------------ > | Locking API testsuite: > ---------------------------------------------------------------------------- > | spin |wlock |rlock |mutex | wsem | rsem | > -------------------------------------------------------------------------- > A-A deadlock: ok | ok | ok | ok | ok | ok | > A-B-B-A deadlock: ok | ok | ok | ok | ok | ok | > A-B-B-C-C-A deadlock: ok | ok | ok | ok | ok | ok | > A-B-C-A-B-C deadlock: ok | ok | ok | ok | ok | ok | > A-B-B-C-C-D-D-A deadlock: ok | ok | ok | ok | ok | ok | > A-B-C-D-B-D-D-A deadlock: ok | ok | ok | ok | ok | ok | > A-B-C-D-B-C-D-A deadlock: ok | ok | ok | ok | ok | ok | > double unlock: ok | ok | ok | ok | ok | ok | > initialize held: ok | ok | ok | ok | ok | ok | > bad unlock order: ok | ok | ok | ok | ok | ok | > -------------------------------------------------------------------------- > recursive read-lock: | ok | | ok | > recursive read-lock #2: | ok | | ok | > mixed read-write-lock: | ok | | ok | > mixed write-read-lock: | ok | | ok | > -------------------------------------------------------------------------- > hard-irqs-on + irq-safe-A/12: ok | ok | ok | > soft-irqs-on + irq-safe-A/12: ok | ok | ok | > hard-irqs-on + irq-safe-A/21: ok | ok | ok | > soft-irqs-on + irq-safe-A/21: ok | ok | ok | > sirq-safe-A => hirqs-on/12: ok | ok | ok | > sirq-safe-A => hirqs-on/21: ok | ok | ok | > hard-safe-A + irqs-on/12: ok | ok | ok | > soft-safe-A + irqs-on/12: ok | ok | ok | > hard-safe-A + irqs-on/21: ok | ok | ok | > soft-safe-A + irqs-on/21: ok | ok | ok | > hard-safe-A + unsafe-B #1/123: ok | ok | ok | > soft-safe-A + unsafe-B #1/123: ok | ok | ok | > hard-safe-A + unsafe-B #1/132: ok | ok | ok | > soft-safe-A + unsafe-B #1/132: ok | ok | ok | > hard-safe-A + unsafe-B #1/213: ok | ok | ok | > soft-safe-A + unsafe-B #1/213: ok | ok | ok | > hard-safe-A + unsafe-B #1/231: ok | ok | ok | > soft-safe-A + unsafe-B #1/231: ok | ok | ok | > hard-safe-A + unsafe-B #1/312: ok | ok | ok | > soft-safe-A + unsafe-B #1/312: ok | ok | ok | > hard-safe-A + unsafe-B #1/321: ok | ok | ok | > soft-safe-A + unsafe-B #1/321: ok | ok | ok | > hard-safe-A + unsafe-B #2/123: ok | ok | ok | > soft-safe-A + unsafe-B #2/123: ok | ok | ok | > hard-safe-A + unsafe-B #2/132: ok | ok | ok | > soft-safe-A + unsafe-B #2/132: ok | ok | ok | > hard-safe-A + unsafe-B #2/213: ok | ok | ok | > soft-safe-A + unsafe-B #2/213: ok | ok | ok | > hard-safe-A + unsafe-B #2/231: ok | ok | ok | > soft-safe-A + unsafe-B #2/231: ok | ok | ok | > hard-safe-A + unsafe-B #2/312: ok | ok | ok | > soft-safe-A + unsafe-B #2/312: ok | ok | ok | > hard-safe-A + unsafe-B #2/321: ok | ok | ok | > soft-safe-A + unsafe-B #2/321: ok | ok | ok | > hard-irq lock-inversion/123: ok | ok | ok | > soft-irq lock-inversion/123: ok | ok | ok | > hard-irq lock-inversion/132: ok | ok | ok | > soft-irq lock-inversion/132: ok | ok | ok | > hard-irq lock-inversion/213: ok | ok | ok | > soft-irq lock-inversion/213: ok | ok | ok | > hard-irq lock-inversion/231: ok | ok | ok | > soft-irq lock-inversion/231: ok | ok | ok | > hard-irq lock-inversion/312: ok | ok | ok | > soft-irq lock-inversion/312: ok | ok | ok | > hard-irq lock-inversion/321: ok | ok | ok | > soft-irq lock-inversion/321: ok | ok | ok | > hard-irq read-recursion/123: ok | > soft-irq read-recursion/123: ok | > hard-irq read-recursion/132: ok | > soft-irq read-recursion/132: ok | > hard-irq read-recursion/213: ok | > soft-irq read-recursion/213: ok | > hard-irq read-recursion/231: ok | > soft-irq read-recursion/231: ok | > hard-irq read-recursion/312: ok | > soft-irq read-recursion/312: ok | > hard-irq read-recursion/321: ok | > soft-irq read-recursion/321: ok | > ------------------------------------------------------- > Good, all 218 testcases passed! | > --------------------------------- > HPET: 3 timers in total, 0 timers will be used for per-cpu timer > Calibrating delay loop (skipped), value calculated using timer frequency.. 4784.50 BogoMIPS (lpj=9569004) > Dentry cache hash table entries: 2097152 (order: 12, 16777216 bytes) > Inode-cache hash table entries: 1048576 (order: 11, 8388608 bytes) > Mount-cache hash table entries: 256 > CPU: L1 I Cache: 64K (64 bytes/line), D cache 64K (64 bytes/line) > CPU: L2 Cache: 1024K (64 bytes/line) > CPU 0/0x0 -> Node 0 > mce: CPU supports 5 MCE banks > Performance Counters: AMD PMU driver. > ... version: 0 > ... bit width: 48 > ... generic counters: 4 > ... value mask: 0000ffffffffffff > ... max period: 00007fffffffffff > ... fixed-purpose counters: 0 > ... counter mask: 000000000000000f > ACPI: Core revision 20090521 > Setting APIC routing to flat > ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=0 pin2=0 > CPU0: AMD Opteron(tm) Processor 250 stepping 0a > Initializing RCU for cpu 1 > Initializing RCU for cpu 1 > lockdep: fixing up alternatives. > Booting processor 1 APIC 0x1 ip 0x6000 > Initializing CPU#1 > Calibrating delay using timer specific routine.. 4785.02 BogoMIPS (lpj=9570044) > CPU: L1 I Cache: 64K (64 bytes/line), D cache 64K (64 bytes/line) > CPU: L2 Cache: 1024K (64 bytes/line) > CPU 1/0x1 -> Node 1 > mce: CPU supports 5 MCE banks > CPU1: AMD Opteron(tm) Processor 250 stepping 0a > Brought up 2 CPUs > Total of 2 processors activated (9569.52 BogoMIPS). > NET: Registered protocol family 16 > TOM: 00000000e0000000 aka 3584M > TOM2: 0000000400000000 aka 16384M > ACPI: bus type pci registered > PCI: Using configuration type 1 for base access > bio: create slab at 0 > ACPI: Interpreter enabled > ACPI: (supports S0 S1 S5) > ACPI: Using IOAPIC for interrupt routing > ACPI: No dock devices found. > ACPI: PCI Root Bridge [PCI0] (0000:00) > pci 0000:02:01.0: PME# supported from D3hot D3cold > pci 0000:02:01.0: PME# disabled > pci 0000:02:01.1: PME# supported from D3hot D3cold > pci 0000:02:01.1: PME# disabled > pci 0000:03:03.0: PME# supported from D0 D3hot D3cold > pci 0000:03:03.0: PME# disabled > ACPI: PCI Interrupt Link [LNKA] (IRQs 3 5 10 11) *7 > ACPI: PCI Interrupt Link [LNKB] (IRQs 3 5 *10 11) > ACPI: PCI Interrupt Link [LNKC] (IRQs *3 5 10 11) > ACPI: PCI Interrupt Link [LNKD] (IRQs 3 5 10 *11) > SCSI subsystem initialized > 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-DMA: Disabling AGP. > PCI-DMA: aperture base @ 20000000 size 65536 KB > PCI-DMA: using GART IOMMU. > PCI-DMA: Reserving 64MB of IOMMU area in the AGP aperture > hpet0: at MMIO 0xfed00000, IRQs 2, 8, 0 > hpet0: 3 comparators, 32-bit 14.318180 MHz counter > pnp: PnP ACPI init > ACPI: bus type pnp registered > pnp 00:00: mem resource (0x0-0x9ffff) overlaps 0000:02:02.0 BAR 6 (0x0-0xfffff), disabling > pnp 00:00: mem resource (0xe0000-0xfffff) overlaps 0000:02:02.0 BAR 6 (0x0-0xfffff), disabling > pnp 00:06: mem resource (0xc0000-0xc7fff) overlaps 0000:02:02.0 BAR 6 (0x0-0xfffff), disabling > pnp: PnP ACPI: found 8 devices > ACPI: ACPI bus type pnp unregistered > system 00:00: iomem range 0x100000-0xdfffffff could not be reserved > system 00:00: iomem range 0xfec00000-0xfec00fff could not be reserved > system 00:00: iomem range 0xffc00000-0xfff7ffff has been reserved > system 00:00: iomem range 0xfee00000-0xfee00fff has been reserved > system 00:00: iomem range 0xfff80000-0xffffffff has been reserved > system 00:06: ioport range 0x4d0-0x4d1 has been reserved > system 00:06: ioport range 0x1100-0x117f has been reserved > system 00:06: ioport range 0x1180-0x11ff has been reserved > system 00:06: ioport range 0x300-0x307 has been reserved > system 00:06: ioport range 0x421-0x42f has been reserved > system 00:06: ioport range 0xca2-0xca3 has been reserved > pci 0000:00:06.0: PCI bridge, secondary bus 0000:01 > pci 0000:00:06.0: IO window: 0x2000-0x2fff > pci 0000:00:06.0: MEM window: 0xe8100000-0xe81fffff > pci 0000:00:06.0: PREFETCH window: 0xe0000000-0xe00fffff > pci 0000:00:0a.0: PCI bridge, secondary bus 0000:02 > pci 0000:00:0a.0: IO window: 0x3000-0x3fff > pci 0000:00:0a.0: MEM window: 0xe8200000-0xe82fffff > pci 0000:00:0a.0: PREFETCH window: 0xe0100000-0xe01fffff > pci 0000:00:0b.0: PCI bridge, secondary bus 0000:03 > pci 0000:00:0b.0: IO window: 0x4000-0x4fff > pci 0000:00:0b.0: MEM window: 0xe8300000-0xe83fffff > pci 0000:00:0b.0: PREFETCH window: 0x000000f0000000-0x000000f7ffffff > NET: Registered protocol family 2 > IP route cache hash table entries: 524288 (order: 10, 4194304 bytes) > TCP established hash table entries: 524288 (order: 11, 8388608 bytes) > TCP bind hash table entries: 65536 (order: 10, 4718592 bytes) > TCP: Hash tables configured (established 524288 bind 65536) > TCP reno registered > NET: Registered protocol family 1 > Trying to unpack rootfs image as initramfs... > Freeing initrd memory: 2077k freed > HugeTLB registered 2 MB page size, pre-allocated 0 pages > Installing knfsd (copyright (C) 1996 okir@monad.swb.de). > msgmni has been set to 30758 > io scheduler noop registered > io scheduler deadline registered > io scheduler cfq registered (default) > boot interrupts on PCI device 0x1022:0x746b already disabled > pci 0000:00:0a.0: MSI quirk detected; subordinate MSI disabled > disabled boot interrupts on PCI device 0x1022:0x7450 > pci 0000:00:0a.0: AMD8131 rev 12 detected; disabling PCI-X MMRBC > pci 0000:00:0b.0: MSI quirk detected; subordinate MSI disabled > disabled boot interrupts on PCI device 0x1022:0x7450 > pci 0000:00:0b.0: AMD8131 rev 12 detected; disabling PCI-X MMRBC > input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0 > ACPI: Power Button [PWRF] > input: Power Button as /devices/LNXSYSTM:00/device:00/PNP0C0C:00/input/input1 > ACPI: Power Button [PWRB] > processor LNXCPU:00: registered as cooling_device0 > processor LNXCPU:01: registered as cooling_device1 > Real Time Clock Driver v1.12b > AMD768 RNG detected > Linux agpgart interface v0.103 > Serial: 8250/16550 driver, 4 ports, IRQ sharing disabled > serial8250: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A > Platform driver 'serial8250' needs updating - please use dev_pm_ops > 00:07: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A > Platform driver 'floppy' needs updating - please use dev_pm_ops > floppy0: no floppy controllers found > brd: module loaded > loop: module loaded > Uniform Multi-Platform E-IDE driver > amd74xx 0000:00:07.1: UDMA133 controller > amd74xx 0000:00:07.1: IDE controller (0x1022:0x7469 rev 0x03) > amd74xx 0000:00:07.1: not 100% native mode: will probe irqs later > ide0: BM-DMA at 0x1020-0x1027 > ide1: BM-DMA at 0x1028-0x102f > hdc: LG CD-ROM CRN-8245B, ATAPI CD/DVD-ROM drive > hdc: UDMA/33 mode selected > ide0 at 0x1f0-0x1f7,0x3f6 on irq 14 > ide1 at 0x170-0x177,0x376 on irq 15 > ide_generic: please use "probe_mask=0x3f" module parameter for probing all legacy ISA IDE ports > ide-gd driver 1.18 > ide-cd driver 5.00 > ide-cd: hdc: ATAPI 24X CD-ROM drive, 128kB Cache > Uniform CD-ROM driver Revision: 3.20 > sata_sil 0000:01:06.0: PCI INT A -> GSI 17 (level, low) -> IRQ 17 > scsi0 : sata_sil > scsi1 : sata_sil > ata1: SATA max UDMA/100 mmio m512@0xe8102000 tf 0xe8102080 irq 17 > ata2: SATA max UDMA/100 mmio m512@0xe8102000 tf 0xe81020c0 irq 17 > ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 310) > ata1.00: ATA-6: ST380013AS, 3.25, max UDMA/133 > ata1.00: 156312576 sectors, multi 16: LBA48 > ata1.00: configured for UDMA/100 > scsi 0:0:0:0: Direct-Access ATA ST380013AS 3.25 PQ: 0 ANSI: 5 > sd 0:0:0:0: [sda] 156312576 512-byte logical blocks: (80.0 GB/74.5 GiB) > sd 0:0:0:0: [sda] Write Protect is off > sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA > sda: sda1 sda2 sda3 sda4 < sda5 sda6 sda7 > > sd 0:0:0:0: [sda] Attached SCSI disk > sd 0:0:0:0: Attached scsi generic sg0 type 0 > ata2: SATA link down (SStatus 0 SControl 310) > Intel(R) PRO/1000 Network Driver - version 7.3.21-k3-NAPI > Copyright (c) 1999-2006 Intel Corporation. > e1000 0000:03:03.0: PCI INT A -> GSI 28 (level, low) -> IRQ 28 > e1000: 0000:03:03.0: e1000_probe: (PCI:66MHz:64-bit) 00:02:b3:9b:20:ef > e1000: eth0: e1000_probe: Intel(R) PRO/1000 Network Connection > e100: Intel(R) PRO/100 Network Driver, 3.5.24-k2-NAPI > e100: Copyright(c) 1999-2006 Intel Corporation > tg3.c:v3.99 (April 20, 2009) > tg3 0000:02:01.0: PCI INT A -> GSI 24 (level, low) -> IRQ 24 > tg3 0000:02:01.0: PME# disabled > eth1: Tigon3 [partno(BCM95704A6) rev 2003] (PCIX:100MHz:64-bit) MAC address 00:0d:60:14:bf:64 > eth1: attached PHY is 5704 (10/100/1000Base-T Ethernet) (WireSpeed[1]) > eth1: RXcsums[1] LinkChgREG[0] MIirq[0] ASF[1] TSOcap[0] > eth1: dma_rwctrl[769f4000] dma_mask[64-bit] > tg3 0000:02:01.1: PCI INT B -> GSI 25 (level, low) -> IRQ 25 > tg3 0000:02:01.1: PME# disabled > eth2: Tigon3 [partno(BCM95704A6) rev 2003] (PCIX:100MHz:64-bit) MAC address 00:0d:60:14:bf:65 > eth2: attached PHY is 5704 (10/100/1000Base-T Ethernet) (WireSpeed[1]) > eth2: RXcsums[1] LinkChgREG[0] MIirq[0] ASF[0] TSOcap[1] > eth2: dma_rwctrl[769f4000] dma_mask[64-bit] > tun: Universal TUN/TAP device driver, 1.6 > tun: (C) 1999-2004 Max Krasnyansky > console [netcon0] enabled > netconsole: network logging started > Fusion MPT base driver 3.04.10 > Copyright (c) 1999-2008 LSI Corporation > Fusion MPT SPI Host driver 3.04.10 > mptspi 0000:02:02.0: PCI INT A -> GSI 26 (level, low) -> IRQ 26 > mptbase: ioc0: Initiating bringup > ioc0: LSI53C1030 B2: Capabilities={Initiator} > scsi2 : ioc0: LSI53C1030 B2, FwRev=01032316h, Ports=1, MaxQ=222, IRQ=26 > Fusion MPT SAS Host driver 3.04.10 > ieee1394: raw1394: /dev/raw1394 device initialized > ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver > ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver > ohci_hcd 0000:01:00.0: PCI INT D -> GSI 19 (level, low) -> IRQ 19 > ohci_hcd 0000:01:00.0: OHCI Host Controller > ohci_hcd 0000:01:00.0: new USB bus registered, assigned bus number 1 > ohci_hcd 0000:01:00.0: irq 19, io mem 0xe8100000 > usb usb1: configuration #1 chosen from 1 choice > hub 1-0:1.0: USB hub found > hub 1-0:1.0: 3 ports detected > ohci_hcd 0000:01:00.1: PCI INT D -> GSI 19 (level, low) -> IRQ 19 > ohci_hcd 0000:01:00.1: OHCI Host Controller > ohci_hcd 0000:01:00.1: new USB bus registered, assigned bus number 2 > ohci_hcd 0000:01:00.1: irq 19, io mem 0xe8101000 > usb usb2: configuration #1 chosen from 1 choice > hub 2-0:1.0: USB hub found > hub 2-0:1.0: 3 ports detected > uhci_hcd: USB Universal Host Controller Interface driver > usbcore: registered new interface driver usblp > Initializing USB Mass Storage driver... > usbcore: registered new interface driver usb-storage > USB Mass Storage support registered. > PNP: No PS/2 controller found. Probing ports directly. > Platform driver 'i8042' needs updating - please use dev_pm_ops > usb 1-1: new full speed USB device using ohci_hcd and address 2 > 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 > device-mapper: ioctl: 4.15.0-ioctl (2009-04-01) initialised: dm-devel@redhat.com > cpuidle: using governor ladder > usbcore: registered new interface driver usbhid > usbhid: v2.6:USB HID core driver > oprofile: using NMI interrupt. > TCP cubic registered > NET: Registered protocol family 10 > IPv6 over IPv4 tunneling driver > NET: Registered protocol family 17 > RPC: Registered udp transport module. > RPC: Registered tcp transport module. > powernow-k8: Found 2 AMD Opteron(tm) Processor 250 processors (2 cpu cores) (version 2.20.00) > powernow-k8: 0 : fid 0x10 (2400 MHz), vid 0x2 > powernow-k8: 1 : fid 0xe (2200 MHz), vid 0x6 > powernow-k8: 2 : fid 0xc (2000 MHz), vid 0xa > powernow-k8: 3 : fid 0xa (1800 MHz), vid 0xc > usb 1-1: configuration #1 chosen from 1 choice > input: IBM PPC I/F as /devices/pci0000:00/0000:00:06.0/0000:01:00.0/usb1/1-1/1-1:1.0/input/input2 > generic-usb 0003:04B3:4001.0001: input: USB HID v1.10 Keyboard [IBM PPC I/F] on usb-0000:01:00.0-1/input0 > input: IBM PPC I/F as /devices/pci0000:00/0000:00:06.0/0000:01:00.0/usb1/1-1/1-1:1.1/input/input3 > generic-usb 0003:04B3:4001.0002: input: USB HID v1.10 Mouse [IBM PPC I/F] on usb-0000:01:00.0-1/input1 > powernow-k8: 4 : fid 0x2 (1000 MHz), vid 0xe > powernow-k8: 0 : fid 0x10 (2400 MHz), vid 0x2 > powernow-k8: 1 : fid 0xe (2200 MHz), vid 0x6 > powernow-k8: 2 : fid 0xc (2000 MHz), vid 0xa > powernow-k8: 3 : fid 0xa (1800 MHz), vid 0xc > powernow-k8: 4 : fid 0x2 (1000 MHz), vid 0xe > Freeing unused kernel memory: 2396k freed > Begin: Loading essential drivers... ... > Done. > Begin: Running /scripts/init-premount ... > ata_id[1419]: main: unable to open '/dev/.tmp-0-0' > ata_id[1461]: main: unable to open '/dev/.tmp-0-0' > Done. > Begin: Mounting root file system... ... > Begin: Running /scripts/local-top ... > Done. > Begin: Waiting for root file system... ... > > > -- > Thanks and Regards > gautham