From mboxrd@z Thu Jan 1 00:00:00 1970 From: benjamin.poirier@polymtl.ca (Benjamin Poirier) Date: Wed, 03 Feb 2010 09:55:53 -0500 Subject: [ltt-dev] kernel panic In-Reply-To: <20100202220928.GD656@Krystal> References: <4B66FE92.7070608@polymtl.ca> <20100201165235.GA12946@Krystal> <4B673EC4.3090204@polymtl.ca> <20100202220928.GD656@Krystal> Message-ID: <4B698E79.9010803@polymtl.ca> Mathieu Desnoyers wrote: > * Benjamin Poirier (benjamin.poirier at polymtl.ca) wrote: > >> Mathieu Desnoyers wrote: >> >>> * Benjamin Poirier (benjamin.poirier at polymtl.ca) wrote: >>> >>> >>>> Hello, >>>> >>>> I'm getting some panics at marker activation/disactivation with 0.188. Not all the time but often enough to be easy to reproduce. I just run `while true; do ltt-armall; ltt-disarmall; done` and wait a few seconds. Its quite similar to what I was seeing a few months ago. Here it goes: >>>> >>>> >>> Please try to reproduce with Immediate Values disabled. >>> >>> >> The panics don't happen. >> >> > > Can you give me the kernel configuration for which the panic happens ? > You'll find it attached. > Thanks, > > Mathieu > > >> -Ben >> >>> Thanks, >>> >>> Mathieu >>> >>> >>> >>>> [ 31.877009] BUG: unable to handle kernel NULL pointer dereference at 00000001 >>>> [ 31.877044] IP: [] arch_imv_update+0x7f/0x201 >>>> [ 31.877044] *pde = 00000000 >>>> [ 31.877044] Oops: 0002 [#1] SMP >>>> [ 31.877044] LTT NESTING LEVEL : 0 >>>> [ 31.877044] last sysfs file: /sys/kernel/uevent_seqnum >>>> [ 31.877044] >>>> [ 31.877044] Pid: 3406, comm: ltt-disarmall Not tainted (2.6.32.4 #135) >>>> [ 31.877044] EIP: 0060:[] EFLAGS: 00010086 CPU: 0 >>>> [ 31.877044] EIP is at arch_imv_update+0x7f/0x201 >>>> [ 31.877044] EAX: 00000001 EBX: c17209a8 ECX: 00000000 EDX: f6bffe40 >>>> [ 31.877044] ESI: 00000000 EDI: f6bffe40 EBP: f6bffe28 ESP: f6bffe18 >>>> [ 31.877044] DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068 >>>> [ 31.877044] Process ltt-disarmall (pid: 3406, ti=f6bfe000 task=f6bf8f60 task.ti=f6bfe000) >>>> [ 31.877044] Stack: >>>> [ 31.877044] 000000ef c17209a8 00000000 fff20c40 f6bffe38 c1015777 00000000 f6bffec0 >>>> [ 31.877044] <0> f6bffe9c c10034b6 00000000 f6bffebf 00000001 f6bffec0 fff20c40 f6bffe9c >>>> [ 31.877044] <0> 000006cc 0000007b 0000007b 000000d8 00000000 ffffff10 c10074d3 00000060 >>>> [ 31.877044] Call Trace: >>>> [ 31.877044] [] ? smp_apic_timer_interrupt+0x44/0x9c >>>> [ 31.877044] [] ? apic_timer_interrupt+0x2a/0x30 >>>> [ 31.877044] [] ? text_poke+0x13f/0x14a >>>> [ 31.877044] [] ? trace_irq_entry+0x10/0x38 >>>> [ 31.877044] [] ? trace_irq_entry+0x12/0x38 >>>> [ 31.877044] [] ? arch_imv_update+0x180/0x201 >>>> [ 31.877044] [] ? trace_irq_entry+0x10/0x38 >>>> [ 31.877044] [] ? imv_update_range+0x3e/0x8c >>>> [ 31.877044] [] ? core_imv_update+0x12/0x15 >>>> [ 31.877044] [] ? tracepoint_update_probes+0x17/0x19 >>>> [ 31.877044] [] ? tracepoint_probe_update_all+0x7c/0xb4 >>>> [ 31.877044] [] ? marker_update_probes+0x17/0x1e >>>> [ 31.877044] [] ? marker_probe_unregister+0x4e/0x7c >>>> [ 31.877044] [] ? ltt_marker_disconnect+0x89/0xd4 >>>> [ 31.877044] [] ? marker_enable_write+0x9d/0xb9 >>>> [ 31.877044] [] ? marker_enable_write+0x0/0xb9 >>>> [ 31.877044] [] ? vfs_write+0x84/0xdf >>>> [ 31.877044] [] ? sys_write+0x3c/0x87 >>>> [ 31.877044] [] ? sysenter_do_call+0x12/0x22 >>>> [ 31.877044] Code: 85 8e 01 00 00 80 7d da 0a 76 0f ba f0 00 00 00 b8 9c b3 5a c1 e8 03 8f 01 00 eb 18 8d b6 00 00 00 00 8d bc 27 00 00 00 00 b0 01 <01> 00 04 00 0d 2c 43 76 cc b8 90 88 01 c1 ba 9b 88 01 c1 89 15 >>>> [ 31.877044] EIP: [] arch_imv_update+0x7f/0x201 SS:ESP 0068:f6bffe18 >>>> [ 31.877044] CR2: 0000000000000001 >>>> [ 31.877044] ---[ end trace f0cbc16b434adca6 ]--- >>>> [ 31.877044] Kernel panic - not syncing: Fatal exception in interrupt >>>> [ 31.877044] Pid: 3406, comm: ltt-disarmall Tainted: G D 2.6.32.4 #135 >>>> [ 31.877044] Call Trace: >>>> [ 31.877044] [] panic+0x5b/0xfd >>>> [ 31.877044] [] oops_end+0x8a/0xa9 >>>> [ 31.877044] [] no_context+0x10c/0x116 >>>> [ 31.877044] [] __bad_area_nosemaphore+0x186/0x18e >>>> [ 31.877044] [] ? put_dec+0x2a/0xff >>>> [ 31.877044] [] ? notifier_call_chain+0x2b/0x4a >>>> [ 31.877044] [] bad_area_nosemaphore+0xd/0x10 >>>> [ 31.877044] [] do_page_fault+0x11d/0x2e5 >>>> [ 31.877044] [] ? do_page_fault+0x0/0x2e5 >>>> [ 31.877044] [] error_code+0x66/0x6c >>>> [ 31.877044] [] ? do_page_fault+0x0/0x2e5 >>>> [ 31.877044] [] ? arch_imv_update+0x7f/0x201 >>>> [ 31.877044] [] smp_apic_timer_interrupt+0x44/0x9c >>>> [ 31.877044] [] apic_timer_interrupt+0x2a/0x30 >>>> [ 31.877044] [] ? text_poke+0x13f/0x14a >>>> [ 31.877044] [] ? trace_irq_entry+0x10/0x38 >>>> [ 31.877044] [] ? trace_irq_entry+0x12/0x38 >>>> [ 31.877044] [] arch_imv_update+0x180/0x201 >>>> [ 31.877044] [] ? trace_irq_entry+0x10/0x38 >>>> [ 31.877044] [] imv_update_range+0x3e/0x8c >>>> [ 31.877044] [] core_imv_update+0x12/0x15 >>>> [ 31.877044] [] tracepoint_update_probes+0x17/0x19 >>>> [ 31.877044] [] tracepoint_probe_update_all+0x7c/0xb4 >>>> [ 31.877044] [] marker_update_probes+0x17/0x1e >>>> [ 31.877044] [] marker_probe_unregister+0x4e/0x7c >>>> [ 31.877044] [] ltt_marker_disconnect+0x89/0xd4 >>>> [ 31.877044] [] marker_enable_write+0x9d/0xb9 >>>> [ 31.877044] [] ? marker_enable_write+0x0/0xb9 >>>> [ 31.877044] [] vfs_write+0x84/0xdf >>>> [ 31.877044] [] sys_write+0x3c/0x87 >>>> [ 31.877044] [] sysenter_do_call+0x12/0x22 >>>> >>>> Tell me if you need more info. >>>> >>>> -Ben >>>> >>>> _______________________________________________ >>>> ltt-dev mailing list >>>> ltt-dev at lists.casi.polymtl.ca >>>> http://lists.casi.polymtl.ca/cgi-bin/mailman/listinfo/ltt-dev >>>> >>>> >>>> >>> >>> > > -------------- next part -------------- An embedded and charset-unspecified text was scrubbed... Name: faulty-config URL: From mboxrd@z Thu Jan 1 00:00:00 1970 From: benjamin.poirier@polymtl.ca (Benjamin Poirier) Date: Wed, 03 Feb 2010 09:55:53 -0500 Subject: [ltt-dev] kernel panic In-Reply-To: <20100202220928.GD656@Krystal> References: <4B66FE92.7070608@polymtl.ca> <20100201165235.GA12946@Krystal> <4B673EC4.3090204@polymtl.ca> <20100202220928.GD656@Krystal> Message-ID: <4B698E79.9010803@polymtl.ca> Message-ID: <20100203145553.PE6cpIAlw0JbSJE5_t2Z49ha8kkcdhQJ9RTVgVfb2yw@z> Mathieu Desnoyers wrote: > * Benjamin Poirier (benjamin.poirier at polymtl.ca) wrote: > >> Mathieu Desnoyers wrote: >> >>> * Benjamin Poirier (benjamin.poirier at polymtl.ca) wrote: >>> >>> >>>> Hello, >>>> >>>> I'm getting some panics at marker activation/disactivation with 0.188. Not all the time but often enough to be easy to reproduce. I just run `while true; do ltt-armall; ltt-disarmall; done` and wait a few seconds. Its quite similar to what I was seeing a few months ago. Here it goes: >>>> >>>> >>> Please try to reproduce with Immediate Values disabled. >>> >>> >> The panics don't happen. >> >> > > Can you give me the kernel configuration for which the panic happens ? > You'll find it attached. > Thanks, > > Mathieu > > >> -Ben >> >>> Thanks, >>> >>> Mathieu >>> >>> >>> >>>> [ 31.877009] BUG: unable to handle kernel NULL pointer dereference at 00000001 >>>> [ 31.877044] IP: [] arch_imv_update+0x7f/0x201 >>>> [ 31.877044] *pde = 00000000 >>>> [ 31.877044] Oops: 0002 [#1] SMP >>>> [ 31.877044] LTT NESTING LEVEL : 0 >>>> [ 31.877044] last sysfs file: /sys/kernel/uevent_seqnum >>>> [ 31.877044] >>>> [ 31.877044] Pid: 3406, comm: ltt-disarmall Not tainted (2.6.32.4 #135) >>>> [ 31.877044] EIP: 0060:[] EFLAGS: 00010086 CPU: 0 >>>> [ 31.877044] EIP is at arch_imv_update+0x7f/0x201 >>>> [ 31.877044] EAX: 00000001 EBX: c17209a8 ECX: 00000000 EDX: f6bffe40 >>>> [ 31.877044] ESI: 00000000 EDI: f6bffe40 EBP: f6bffe28 ESP: f6bffe18 >>>> [ 31.877044] DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068 >>>> [ 31.877044] Process ltt-disarmall (pid: 3406, ti=f6bfe000 task=f6bf8f60 task.ti=f6bfe000) >>>> [ 31.877044] Stack: >>>> [ 31.877044] 000000ef c17209a8 00000000 fff20c40 f6bffe38 c1015777 00000000 f6bffec0 >>>> [ 31.877044] <0> f6bffe9c c10034b6 00000000 f6bffebf 00000001 f6bffec0 fff20c40 f6bffe9c >>>> [ 31.877044] <0> 000006cc 0000007b 0000007b 000000d8 00000000 ffffff10 c10074d3 00000060 >>>> [ 31.877044] Call Trace: >>>> [ 31.877044] [] ? smp_apic_timer_interrupt+0x44/0x9c >>>> [ 31.877044] [] ? apic_timer_interrupt+0x2a/0x30 >>>> [ 31.877044] [] ? text_poke+0x13f/0x14a >>>> [ 31.877044] [] ? trace_irq_entry+0x10/0x38 >>>> [ 31.877044] [] ? trace_irq_entry+0x12/0x38 >>>> [ 31.877044] [] ? arch_imv_update+0x180/0x201 >>>> [ 31.877044] [] ? trace_irq_entry+0x10/0x38 >>>> [ 31.877044] [] ? imv_update_range+0x3e/0x8c >>>> [ 31.877044] [] ? core_imv_update+0x12/0x15 >>>> [ 31.877044] [] ? tracepoint_update_probes+0x17/0x19 >>>> [ 31.877044] [] ? tracepoint_probe_update_all+0x7c/0xb4 >>>> [ 31.877044] [] ? marker_update_probes+0x17/0x1e >>>> [ 31.877044] [] ? marker_probe_unregister+0x4e/0x7c >>>> [ 31.877044] [] ? ltt_marker_disconnect+0x89/0xd4 >>>> [ 31.877044] [] ? marker_enable_write+0x9d/0xb9 >>>> [ 31.877044] [] ? marker_enable_write+0x0/0xb9 >>>> [ 31.877044] [] ? vfs_write+0x84/0xdf >>>> [ 31.877044] [] ? sys_write+0x3c/0x87 >>>> [ 31.877044] [] ? sysenter_do_call+0x12/0x22 >>>> [ 31.877044] Code: 85 8e 01 00 00 80 7d da 0a 76 0f ba f0 00 00 00 b8 9c b3 5a c1 e8 03 8f 01 00 eb 18 8d b6 00 00 00 00 8d bc 27 00 00 00 00 b0 01 <01> 00 04 00 0d 2c 43 76 cc b8 90 88 01 c1 ba 9b 88 01 c1 89 15 >>>> [ 31.877044] EIP: [] arch_imv_update+0x7f/0x201 SS:ESP 0068:f6bffe18 >>>> [ 31.877044] CR2: 0000000000000001 >>>> [ 31.877044] ---[ end trace f0cbc16b434adca6 ]--- >>>> [ 31.877044] Kernel panic - not syncing: Fatal exception in interrupt >>>> [ 31.877044] Pid: 3406, comm: ltt-disarmall Tainted: G D 2.6.32.4 #135 >>>> [ 31.877044] Call Trace: >>>> [ 31.877044] [] panic+0x5b/0xfd >>>> [ 31.877044] [] oops_end+0x8a/0xa9 >>>> [ 31.877044] [] no_context+0x10c/0x116 >>>> [ 31.877044] [] __bad_area_nosemaphore+0x186/0x18e >>>> [ 31.877044] [] ? put_dec+0x2a/0xff >>>> [ 31.877044] [] ? notifier_call_chain+0x2b/0x4a >>>> [ 31.877044] [] bad_area_nosemaphore+0xd/0x10 >>>> [ 31.877044] [] do_page_fault+0x11d/0x2e5 >>>> [ 31.877044] [] ? do_page_fault+0x0/0x2e5 >>>> [ 31.877044] [] error_code+0x66/0x6c >>>> [ 31.877044] [] ? do_page_fault+0x0/0x2e5 >>>> [ 31.877044] [] ? arch_imv_update+0x7f/0x201 >>>> [ 31.877044] [] smp_apic_timer_interrupt+0x44/0x9c >>>> [ 31.877044] [] apic_timer_interrupt+0x2a/0x30 >>>> [ 31.877044] [] ? text_poke+0x13f/0x14a >>>> [ 31.877044] [] ? trace_irq_entry+0x10/0x38 >>>> [ 31.877044] [] ? trace_irq_entry+0x12/0x38 >>>> [ 31.877044] [] arch_imv_update+0x180/0x201 >>>> [ 31.877044] [] ? trace_irq_entry+0x10/0x38 >>>> [ 31.877044] [] imv_update_range+0x3e/0x8c >>>> [ 31.877044] [] core_imv_update+0x12/0x15 >>>> [ 31.877044] [] tracepoint_update_probes+0x17/0x19 >>>> [ 31.877044] [] tracepoint_probe_update_all+0x7c/0xb4 >>>> [ 31.877044] [] marker_update_probes+0x17/0x1e >>>> [ 31.877044] [] marker_probe_unregister+0x4e/0x7c >>>> [ 31.877044] [] ltt_marker_disconnect+0x89/0xd4 >>>> [ 31.877044] [] marker_enable_write+0x9d/0xb9 >>>> [ 31.877044] [] ? marker_enable_write+0x0/0xb9 >>>> [ 31.877044] [] vfs_write+0x84/0xdf >>>> [ 31.877044] [] sys_write+0x3c/0x87 >>>> [ 31.877044] [] sysenter_do_call+0x12/0x22 >>>> >>>> Tell me if you need more info. >>>> >>>> -Ben >>>> >>>> _______________________________________________ >>>> ltt-dev mailing list >>>> ltt-dev at lists.casi.polymtl.ca >>>> http://lists.casi.polymtl.ca/cgi-bin/mailman/listinfo/ltt-dev >>>> >>>> >>>> >>> >>> > > -------------- next part -------------- An embedded and charset-unspecified text was scrubbed... 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