* BUG at perf_ctx_adjust_freq (kernel/perf_event.c:1582)
@ 2010-12-10 12:00 Chris Wilson
[not found] ` <AANLkTi=ZjBKkxJDDSCNzsZ_oma485xKafMEXWet8EOXd@mail.gmail.com>
0 siblings, 1 reply; 3+ messages in thread
From: Chris Wilson @ 2010-12-10 12:00 UTC (permalink / raw)
To: linux-kernel
Cc: Peter Zijlstra, Paul Mackerras, Ingo Molnar,
Arnaldo Carvalho de Melo
Strange OOPS, not sure what triggered it, but in case it helps:
[57260.405026] BUG: unable to handle kernel paging request at 01000000
[57260.405098] IP: [<c04a1d3d>] perf_ctx_adjust_freq+0x110/0x132
[57260.405153] *pde = 00000000
[57260.405181] Oops: 0000 [#1] SMP
[57260.405216] last sysfs file: /sys/module/cpufreq_ondemand/refcnt
[57260.405265] Modules linked in: nfs lockd fscache nfs_acl auth_rpcgss
sunrpc sco bnep l2cap bluetooth fuse acpi_cpufreq mperf
snd_hda_codec_analog snd_hda_intel snd_hda_codec snd_hwdep snd_seq
snd_seq_device arc4 ecb snd_pcm thinkpad_acpi snd_timer snd iwlagn iwlcore
mac80211 r852 sm_common nand nand_ids nand_ecc uvcvideo mtd iTCO_wdt
joydev videodev i2c_i801 cfg80211 v4l1_compat ppdev iTCO_vendor_support
soundcore rfkill wmi pcspkr microcode parport_pc parport snd_page_alloc
uinput ipv6 sdhci_pci sdhci mmc_core firewire_ohci firewire_core
yenta_socket crc_itu_t i915 drm_kms_helper drm i2c_algo_bit i2c_core video
output [last unloaded: cpufreq_ondemand]
[57260.405938]
[57260.405955] Pid: 31699, comm: gdb Not tainted 2.6.37-rc4+ #3 7661BL5/7661BL5
[57260.406006] EIP: 0060:[<c04a1d3d>] EFLAGS: 00210012 CPU: 1
[57260.406006] EIP is at perf_ctx_adjust_freq+0x110/0x132
[57260.406006] EAX: 01000000 EBX: 000f41a8 ECX: 00000000 EDX: f1e441b0
[57260.406006] ESI: 00000000 EDI: 00fffff8 EBP: f3637ed0 ESP: f3637ea8
[57260.406006] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068
[57260.406006] Process gdb (pid: 31699, ti=f3636000 task=f1c94b60 task.ti=f3636000)
[57260.406006] Stack:
[57260.406006] 00000000 f3723e00 f1e441b0 c042af08 00000000 f1e44180 01000000 00000000
[57260.406006] f4e06be4 f1e44180 f3637efc c04a1e3e 000f41a8 00000000 00000001 f4e06c74
[57260.406006] f4e06f10 f4e036e0 c07cdc34 f4e06300 00000001 f3637f14 c0435875 f1c94b60
[57260.406006] Call Trace:
[57260.406006] [<c042af08>] ? update_curr+0xab/0x124
[57260.406006] [<c04a1e3e>] ? perf_event_task_tick+0xdf/0x1ab
[57260.406006] [<c0435875>] ? scheduler_tick+0xb0/0x1f0
[57260.406006] [<c0444889>] ? update_process_times+0x51/0x5d
[57260.406006] [<c045bcef>] ? tick_sched_timer+0x72/0xa0
[57260.406006] [<c045287f>] ? __run_hrtimer+0xa1/0x116
[57260.406006] [<c045bc7d>] ? tick_sched_timer+0x0/0xa0
[57260.406006] [<c04531b2>] ? hrtimer_interrupt+0xde/0x1b3
[57260.406006] [<c041aa59>] ? smp_apic_timer_interrupt+0x60/0x73
[57260.406006] [<c07c0109>] ? apic_timer_interrupt+0x31/0x38
[57260.406006] Code: 00 00 7c 1b 7f 06 83 7d d8 00 76 13 ff 75 dc 89 da ff
75 d8 89 f8 89 f1 e8 5a cc ff ff 58 5a 8b 47 08 89 45 f0 8b 7d f0 83 ef 08
<8b> 47 08 e8 e1 bf ff ff 8d 47 08 3b 45 e0 0f 85 0e ff ff ff 8b
[57260.406006] EIP: [<c04a1d3d>] perf_ctx_adjust_freq+0x110/0x132 SS:ESP 0068:f3637ea8
[57260.406006] CR2: 0000000001000000
[57260.406006] ---[ end trace 8b112fc89b85bbd4 ]---
--
Chris Wilson, Intel Open Source Technology Centre
^ permalink raw reply [flat|nested] 3+ messages in thread[parent not found: <AANLkTi=ZjBKkxJDDSCNzsZ_oma485xKafMEXWet8EOXd@mail.gmail.com>]
* Re: BUG at perf_ctx_adjust_freq (kernel/perf_event.c:1582) [not found] ` <AANLkTi=ZjBKkxJDDSCNzsZ_oma485xKafMEXWet8EOXd@mail.gmail.com> @ 2010-12-10 12:58 ` Lin Ming 2010-12-10 13:12 ` Chris Wilson 0 siblings, 1 reply; 3+ messages in thread From: Lin Ming @ 2010-12-10 12:58 UTC (permalink / raw) To: Chris Wilson Cc: linux-kernel, Peter Zijlstra, Paul Mackerras, Ingo Molnar, Arnaldo Carvalho de Melo From: Chris Wilson <chris@chris-wilson.co.uk> > Strange OOPS, not sure what triggered it, but in case it helps: Hi, Can you reproduce it? Lin Ming > > [57260.405026] BUG: unable to handle kernel paging request at 01000000 > [57260.405098] IP: [<c04a1d3d>] perf_ctx_adjust_freq+0x110/0x132 > [57260.405153] *pde = 00000000 > [57260.405181] Oops: 0000 [#1] SMP > [57260.405216] last sysfs file: /sys/module/cpufreq_ondemand/refcnt > [57260.405265] Modules linked in: nfs lockd fscache nfs_acl auth_rpcgss > sunrpc sco bnep l2cap bluetooth fuse acpi_cpufreq mperf > snd_hda_codec_analog snd_hda_intel snd_hda_codec snd_hwdep snd_seq > snd_seq_device arc4 ecb snd_pcm thinkpad_acpi snd_timer snd iwlagn iwlcore > mac80211 r852 sm_common nand nand_ids nand_ecc uvcvideo mtd iTCO_wdt > joydev videodev i2c_i801 cfg80211 v4l1_compat ppdev iTCO_vendor_support > soundcore rfkill wmi pcspkr microcode parport_pc parport snd_page_alloc > uinput ipv6 sdhci_pci sdhci mmc_core firewire_ohci firewire_core > yenta_socket crc_itu_t i915 drm_kms_helper drm i2c_algo_bit i2c_core video > output [last unloaded: cpufreq_ondemand] > [57260.405938] > [57260.405955] Pid: 31699, comm: gdb Not tainted 2.6.37-rc4+ #3 7661BL5/7661BL5 > [57260.406006] EIP: 0060:[<c04a1d3d>] EFLAGS: 00210012 CPU: 1 > [57260.406006] EIP is at perf_ctx_adjust_freq+0x110/0x132 > [57260.406006] EAX: 01000000 EBX: 000f41a8 ECX: 00000000 EDX: f1e441b0 > [57260.406006] ESI: 00000000 EDI: 00fffff8 EBP: f3637ed0 ESP: f3637ea8 > [57260.406006] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 > [57260.406006] Process gdb (pid: 31699, ti=f3636000 task=f1c94b60 > task.ti=f3636000) > [57260.406006] Stack: > [57260.406006] 00000000 f3723e00 f1e441b0 c042af08 00000000 f1e44180 > 01000000 00000000 > [57260.406006] f4e06be4 f1e44180 f3637efc c04a1e3e 000f41a8 00000000 > 00000001 f4e06c74 > [57260.406006] f4e06f10 f4e036e0 c07cdc34 f4e06300 00000001 f3637f14 > c0435875 f1c94b60 > [57260.406006] Call Trace: > [57260.406006] [<c042af08>] ? update_curr+0xab/0x124 > [57260.406006] [<c04a1e3e>] ? perf_event_task_tick+0xdf/0x1ab > [57260.406006] [<c0435875>] ? scheduler_tick+0xb0/0x1f0 > [57260.406006] [<c0444889>] ? update_process_times+0x51/0x5d > [57260.406006] [<c045bcef>] ? tick_sched_timer+0x72/0xa0 > [57260.406006] [<c045287f>] ? __run_hrtimer+0xa1/0x116 > [57260.406006] [<c045bc7d>] ? tick_sched_timer+0x0/0xa0 > [57260.406006] [<c04531b2>] ? hrtimer_interrupt+0xde/0x1b3 > [57260.406006] [<c041aa59>] ? smp_apic_timer_interrupt+0x60/0x73 > [57260.406006] [<c07c0109>] ? apic_timer_interrupt+0x31/0x38 > [57260.406006] Code: 00 00 7c 1b 7f 06 83 7d d8 00 76 13 ff 75 dc 89 da ff > 75 d8 89 f8 89 f1 e8 5a cc ff ff 58 5a 8b 47 08 89 45 f0 8b 7d f0 83 ef 08 > <8b> 47 08 e8 e1 bf ff ff 8d 47 08 3b 45 e0 0f 85 0e ff ff ff 8b > [57260.406006] EIP: [<c04a1d3d>] perf_ctx_adjust_freq+0x110/0x132 > SS:ESP 0068:f3637ea8 > [57260.406006] CR2: 0000000001000000 > [57260.406006] ---[ end trace 8b112fc89b85bbd4 ]--- > > -- > Chris Wilson, Intel Open Source Technology Centre > -- > 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/ ^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: BUG at perf_ctx_adjust_freq (kernel/perf_event.c:1582) 2010-12-10 12:58 ` Lin Ming @ 2010-12-10 13:12 ` Chris Wilson 0 siblings, 0 replies; 3+ messages in thread From: Chris Wilson @ 2010-12-10 13:12 UTC (permalink / raw) To: Lin Ming Cc: linux-kernel, Peter Zijlstra, Paul Mackerras, Ingo Molnar, Arnaldo Carvalho de Melo On Fri, 10 Dec 2010 20:58:43 +0800, Lin Ming <ming.m.lin@intel.com> wrote: > From: Chris Wilson <chris@chris-wilson.co.uk> > > Strange OOPS, not sure what triggered it, but in case it helps: > > Hi, > > Can you reproduce it? I was debugging an X crash, just a normal use-after-free, which managed to take down the box whilst under gdb. I've rerun that scenario several times and I've not managed to trigger the OOPS again. -Chris -- Chris Wilson, Intel Open Source Technology Centre ^ permalink raw reply [flat|nested] 3+ messages in thread
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2010-12-10 12:00 BUG at perf_ctx_adjust_freq (kernel/perf_event.c:1582) Chris Wilson
[not found] ` <AANLkTi=ZjBKkxJDDSCNzsZ_oma485xKafMEXWet8EOXd@mail.gmail.com>
2010-12-10 12:58 ` Lin Ming
2010-12-10 13:12 ` Chris Wilson
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