linux-kernel - Re: PROBLEM: Unable to handle kernel paging request

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Message-ID: <4E457987.8090707@redhat.com>
Date:	Fri, 12 Aug 2011 16:05:43 -0300
From:	Mauro Carvalho Chehab <mchehab@...hat.com>
To:	Randy Dunlap <rdunlap@...otime.net>
CC:	Josef Lusticky <jlustick@...hat.com>, linux-media@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: PROBLEM: Unable to handle kernel paging request

Hi Josef,

Em 12-08-2011 14:28, Randy Dunlap escreveu:
> On Fri, 12 Aug 2011 14:38:40 +0200 Josef Lusticky wrote:
> 
>> Hi Randy,
>> thank you for your answer!
>>
>> The commit seems to fix issues with ip_vs_ctl module,
>> but I got another panic today using the script on the same machine.
>> Here's the output:
> 
> Hi Josef,
> 
> Adding linux-media mailing list...


What kernel are you using? There were some fixes applied recently
that fixes the register/unregister logic at the rc-core stuff. It helps
if you could test against linux-next (not sure if all such fixes were already
added at 3.0).

> 
> 
>> *** Loading module lirc_dev ***
>> lirc_dev: module unloaded
>> IR JVC protocol handler initialized
>> IR Sony protocol handler initialized
>> IR MCE Keyboard/mouse protocol handler initialized
>> lirc_dev: IR Remote Control driver registered, major 250
>> IR LIRC bridge handler initialized
>> *** Removing modBUG: unable to handle kernel paging request at 
>> ffffffffa0852acc
>> IP: [<ffffffffa0852acc>] 0xffffffffa0852acb
>> PGD 1a06067 PUD 1a0a063 PMD 37e50067 PTE 0
>> Oops: 0010 [#1] SMP
>> CPU 1
>> Modules linked in: ir_lirc_codec lirc_dev ir_mce_kbd_decoder 
>> ir_sony_decoder ir_jvc_decoder ir_rc6_decoder ir_rc5_decoder 
>> ir_nec_decoder rc_core soc_mediabus ivtv cx2341x v4l2_common videodev 
>> v4l2_compat_ioctl32 tveeprom dvb_usb_af9005_remote des_generic dccp_ipv6 
>> dccp_ipv4 dccp sctp libcrc32c nf_tproxy_core ts_kmp kvm mce_inject 
>> cryptd aes_x86_64 aes_generic snd_mpu401_uart snd_rawmidi snd_seq_dummy 
>> snd_seq snd_seq_device sunrpc cpufreq_ondemand acpi_cpufreq freq_table 
>> mperf ipv6 dm_mirror dm_region_hash dm_log ppdev parport_pc parport 
>> hp_wmi sparse_keymap rfkill pcspkr serio_raw sg tg3 
>> snd_hda_codec_realtek snd_hda_codec snd_hwdep snd_pcm snd_timer snd 
>> soundcore snd_page_alloc x38_edac edac_core ext4 mbcache jbd2 floppy 
>> sr_mod cdrom sd_mod crc_t10dif ahci libahci nouveau ttm drm_kms_helper 
>> drm i2c_algo_bit i2c_core mxm_wmi wmi video dm_mod [last unloaded: lirc_dev]
>>
>> Pid: 39, comm: kworker/1:2 Tainted: G          I 3.1.0-rc1 #1 
>> Hewlett-Packard HP xw4600 Workstation/0AA0h
>> RIP: 0010:[<ffffffffa0852acc>]  [<ffffffffa0852acc>] 0xffffffffa0852acb
>> RSP: 0000:ffff8800387ffdf0  EFLAGS: 00010246
>> RAX: 0000000000000000 RBX: ffff880038784740 RCX: 0000000000000000
>> RDX: 0000000000000000 RSI: 0000000000000286 RDI: 0000000000000286
>> RBP: ffff8800387ffdf0 R08: 0000000000000000 R09: 0000000000000001
>> R10: 0000000000000001 R11: 0000000000000000 R12: ffff88003fc8e140
>> R13: ffff88003fc96400 R14: ffffffffa0852ab0 R15: 0000000000000000
>> FS:  0000000000000000(0000) GS:ffff88003fc80000(0000) knlGS:0000000000000000
>> CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>> CR2: ffffffffa0852acc CR3: 000000003608c000 CR4: 00000000000006e0
>> DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>> DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
>> Process kworker/1:2 (pid: 39, threadinfo ffff8800387fe000, task 
>> ffff8800386d8b00)
>> Stack:
>>   ffff8800387ffe50 ffffffff81082e11 ffff880000062ac0 ffffffffa08544e0
>>   ffff88003fc96405 000000003fc8e140 ffff880038784740 ffff880038784740
>>   ffff88003fc8e140 ffff88003fc8e148 ffff880038784760 0000000000013c80
>> Call Trace:
>>   [<ffffffff81082e11>] process_one_work+0x131/0x450
>>   [<ffffffff81084bbb>] worker_thread+0x17b/0x3c0
>>   [<ffffffff81084a40>] ? manage_workers+0x120/0x120
>>   [<ffffffff810894d6>] kthread+0x96/0xa0
>>   [<ffffffff814f0114>] kernel_thread_helper+0x4/0x10
>>   [<ffffffff81089440>] ? kthread_worker_fn+0x1a0/0x1a0
>>   [<ffffffff814f0110>] ? gs_change+0x13/0x13
>> Code:  Bad RIP value.
>> RIP  [<ffffffffa0852acc>] 0xffffffffa0852acb
>>   RSP <ffff8800387ffdf0>
>> CR2: ffffffffa0852acc
>> ---[ end trace a7919e7f17c0a727 ]---
>> ule xpnet ***
>> *BUG: unable to handle kernel paging request at fffffffffffffff8
>> IP: [<ffffffff81089030>] kthread_data+0x10/0x20
>> PGD 1a06067 PUD 1a07067 PMD 0
>> Oops: 0000 [#2] SMP
>> CPU 1
>> Modules linked in: xpnet(-) xp gru ir_lirc_codec lirc_dev 
>> ir_mce_kbd_decoder ir_sony_decoder ir_jvc_decoder ir_rc6_decoder 
>> ir_rc5_decoder ir_nec_decoder rc_core soc_mediabus ivtv cx2341x 
>> v4l2_common videodev v4l2_compat_ioctl32 tveeprom dvb_usb_af9005_remote 
>> des_generic dccp_ipv6 dccp_ipv4 dccp sctp libcrc32c nf_tproxy_core 
>> ts_kmp kvm mce_inject cryptd aes_x86_64 aes_generic snd_mpu401_uart 
>> snd_rawmidi snd_seq_dummy snd_seq snd_seq_device sunrpc cpufreq_ondemand 
>> acpi_cpufreq freq_table mperf ipv6 dm_mirror dm_region_hash dm_log ppdev 
>> parport_pc parport hp_wmi sparse_keymap rfkill pcspkr serio_raw sg tg3 
>> snd_hda_codec_realtek snd_hda_codec snd_hwdep snd_pcm snd_timer snd 
>> soundcore snd_page_alloc x38_edac edac_core ext4 mbcache jbd2 floppy 
>> sr_mod cdrom sd_mod crc_t10dif ahci libahci nouveau ttm drm_kms_helper 
>> drm i2c_algo_bit i2c_core mxm_wmi wmi video dm_mod [last unloaded: lirc_dev]
>>
>> Pid: 39, comm: kworker/1:2 Tainted: G      D   I 3.1.0-rc1 #1 
>> Hewlett-Packard HP xw4600 Workstation/0AA0h
>> RIP: 0010:[<ffffffff81089030>]  [<ffffffff81089030>] kthread_data+0x10/0x20
>> RSP: 0018:ffff8800387ffa38  EFLAGS: 00010096
>> RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000001
>> RDX: 0000000000000001 RSI: 0000000000000001 RDI: ffff8800386d8b00
>> RBP: ffff8800387ffa38 R08: ffff8800386d8b70 R09: dead000000200200
>> R10: 0000000000000400 R11: 0000000000000001 R12: ffff8800386d90a8
>> R13: 0000000000000001 R14: 0000000000000001 R15: 0000000000000096
>> FS:  0000000000000000(0000) GS:ffff88003fc80000(0000) knlGS:0000000000000000
>> CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>> CR2: fffffffffffffff8 CR3: 000000003608c000 CR4: 00000000000006e0
>> DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>> DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
>> Process kworker/1:2 (pid: 39, threadinfo ffff8800387fe000, task 
>> ffff8800386d8b00)
>> Stack:
>>   ffff8800387ffa58 ffffffff81082365 ffff8800387ffa58 ffff88003fc93280
>>   ffff8800387ffaf8 ffffffff814e3a63 ffff880035c2cda8 ffff880035c2cdf8
>>   0000000000013280 ffff8800387fffd8 ffff8800387fe010 0000000000013280
>> Call Trace:
>>   [<ffffffff81082365>] wq_worker_sleeping+0x15/0xa0
>>   [<ffffffff814e3a63>] schedule+0x5e3/0x850
>>   [<ffffffff8122812b>] ? put_io_context+0x4b/0x60
>>   [<ffffffff8106b85a>] do_exit+0x26a/0x410
>>   [<ffffffff814e702b>] oops_end+0xab/0xf0
>>   [<ffffffff8104196c>] no_context+0xfc/0x190
>>   [<ffffffff81041b25>] __bad_area_nosemaphore+0x125/0x1e0
>>   [<ffffffff8124f371>] ? list_del+0x11/0x40
>>   [<ffffffff81041bf3>] bad_area_nosemaphore+0x13/0x20
>>   [<ffffffff814e9866>] do_page_fault+0x326/0x460
>>   [<ffffffff81053e03>] ? __wake_up+0x53/0x70
>>   [<ffffffff81080b9e>] ? call_usermodehelper_exec+0x9e/0xe0
>>   [<ffffffff81080e1b>] ? __request_module+0x18b/0x220
>>   [<ffffffff814e6375>] page_fault+0x25/0x30
>>   [<ffffffff81082e11>] process_one_work+0x131/0x450
>>   [<ffffffff81084bbb>] worker_thread+0x17b/0x3c0
>>   [<ffffffff81084a40>] ? manage_workers+0x120/0x120
>>   [<ffffffff810894d6>] kthread+0x96/0xa0
>>   [<ffffffff814f0114>] kernel_thread_helper+0x4/0x10
>>   [<ffffffff81089440>] ? kthread_worker_fn+0x1a0/0x1a0
>>   [<ffffffff814f0110>] ? gs_change+0x13/0x13
>> Code: 66 66 66 90 65 48 8b 04 25 40 c4 00 00 48 8b 80 50 05 00 00 8b 40 
>> f0 c9 c3 66 90 55 48 89 e5 66 66 66 66 90 48 8b 87 50 05 00 00
>>   8b 40 f8 c9 c3 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 66
>> RIP  [<ffffffff81089030>] kthread_data+0x10/0x20
>>   RSP <ffff8800387ffa38>
>> CR2: fffffffffffffff8
>> ---[ end trace a7919e7f17c0a728 ]---
>> Fixing recursive fault but reboot is needed!
>> Kernel panic - not syncing: Watchdog detected hard LOCKUP on cpu 1
>> Pid: 39, comm: kworker/1:2 Tainted: G      D   I 3.1.0-rc1 #1
>> Call Trace:
>> <NMI>  [<ffffffff814e30fb>] panic+0x91/0x1b1
>>   [<ffffffff810ccc11>] watchdog_overflow_callback+0xb1/0xc0
>>   [<ffffffff81102073>] __perf_event_overflow+0x93/0x200
>>   [<ffffffff810905e8>] ? sched_clock_cpu+0xb8/0x110
>>   [<ffffffff810fca01>] ? perf_event_update_userpage+0x11/0xc0
>>   [<ffffffff811025d4>] perf_event_overflow+0x14/0x20
>>   [<ffffffff81025e51>] intel_pmu_handle_irq+0x321/0x530
>>   [<ffffffff814e7649>] perf_event_nmi_handler+0x29/0xa0
>>   [<ffffffff814e99f5>] notifier_call_chain+0x55/0x80
>>   [<ffffffff814e9a5a>] atomic_notifier_call_chain+0x1a/0x20
>>   [<ffffffff814e9a8e>] notify_die+0x2e/0x30
>>   [<ffffffff814e6c39>] default_do_nmi+0x39/0x1f0
>>   [<ffffffff814e6e70>] do_nmi+0x80/0xa0
>>   [<ffffffff814e6630>] nmi+0x20/0x30
>>   [<ffffffff8106b9b0>] ? do_exit+0x3c0/0x410
>>   [<ffffffff814e5c25>] ? _raw_spin_lock_irq+0x25/0x30
>> <<EOE>>  [<ffffffff814e354e>] schedule+0xce/0x850
>>   [<ffffffff8106b9b0>] do_exit+0x3c0/0x410
>>   [<ffffffff814e702b>] oops_end+0xab/0xf0
>>   [<ffffffff8104196c>] no_context+0xfc/0x190
>>   [<ffffffff81041b25>] __bad_area_nosemaphore+0x125/0x1e0
>>   [<ffffffff81041bf3>] bad_area_nosemaphore+0x13/0x20
>>   [<ffffffff814e9866>] do_page_fault+0x326/0x460
>>   [<ffffffff810d3405>] ? call_rcu_sched+0x15/0x20
>>   [<ffffffff810d3405>] ? call_rcu_sched+0x15/0x20
>>   [<ffffffff814e6375>] page_fault+0x25/0x30
>>   [<ffffffff81089030>] ? kthread_data+0x10/0x20
>>   [<ffffffff81082365>] wq_worker_sleeping+0x15/0xa0
>>   [<ffffffff814e3a63>] schedule+0x5e3/0x850
>>   [<ffffffff8122812b>] ? put_io_context+0x4b/0x60
>>   [<ffffffff8106b85a>] do_exit+0x26a/0x410
>>   [<ffffffff814e702b>] oops_end+0xab/0xf0
>>   [<ffffffff8104196c>] no_context+0xfc/0x190
>>   [<ffffffff81041b25>] __bad_area_nosemaphore+0x125/0x1e0
>>   [<ffffffff8124f371>] ? list_del+0x11/0x40
>>   [<ffffffff81041bf3>] bad_area_nosemaphore+0x13/0x20
>>   [<ffffffff814e9866>] do_page_fault+0x326/0x460
>>   [<ffffffff81053e03>] ? __wake_up+0x53/0x70
>>   [<ffffffff81080b9e>] ? call_usermodehelper_exec+0x9e/0xe0
>>   [<ffffffff81080e1b>] ? __request_module+0x18b/0x220
>>   [<ffffffff814e6375>] page_fault+0x25/0x30
>>   [<ffffffff81082e11>] process_one_work+0x131/0x450
>>   [<ffffffff81084bbb>] worker_thread+0x17b/0x3c0
>>   [<ffffffff81084a40>] ? manage_workers+0x120/0x120
>>   [<ffffffff810894d6>] kthread+0x96/0xa0
>>   [<ffffffff814f0114>] kernel_thread_helper+0x4/0x10
>>   [<ffffffff81089440>] ? kthread_worker_fn+0x1a0/0x1a0
>>   [<ffffffff814f0110>] ? gs_change+0x13/0x13
>> panic occurred, switching back to text console
>> ------------[ cut here ]------------
>> WARNING: at arch/x86/kernel/smp.c:118 native_smp_send_reschedule+0x5c/0x60()
>> Hardware name: HP xw4600 Workstation
>> Modules linked in: xpnet(-) xp gru ir_lirc_codec lirc_dev 
>> ir_mce_kbd_decoder ir_sony_decoder ir_jvc_decoder ir_rc6_decoder 
>> ir_rc5_decoder ir_nec_decoder rc_core soc_mediabus ivtv cx2341x 
>> v4l2_common videodev v4l2_compat_ioctl32 tveeprom dvb_usb_af9005_remote 
>> des_generic dccp_ipv6 dccp_ipv4 dccp sctp libcrc32c nf_tproxy_core 
>> ts_kmp kvm mce_inject cryptd aes_x86_64 aes_generic snd_mpu401_uart 
>> snd_rawmidi snd_seq_dummy snd_seq snd_seq_device sunrpc cpufreq_ondemand 
>> acpi_cpufreq freq_table mperf ipv6 dm_mirror dm_region_hash dm_log ppdev 
>> parport_pc parport hp_wmi sparse_keymap rfkill pcspkr serio_raw sg tg3 
>> snd_hda_codec_realtek snd_hda_codec snd_hwdep snd_pcm snd_timer snd 
>> soundcore snd_page_alloc x38_edac edac_core ext4 mbcache jbd2 floppy 
>> sr_mod cdrom sd_mod crc_t10dif ahci libahci nouveau ttm drm_kms_helper 
>> drm i2c_algo_bit i2c_core mxm_wmi wmi video dm_mod [last unloaded: lirc_dev]
>> Pid: 39, comm: kworker/1:2 Tainted: G      D   I 3.1.0-rc1 #1
>> Call Trace:
>> <IRQ>  [<ffffffff81066dbf>] warn_slowpath_common+0x7f/0xc0
>>   [<ffffffff81066e1a>] warn_slowpath_null+0x1a/0x20
>>   [<ffffffff8103066c>] native_smp_send_reschedule+0x5c/0x60
>>   [<ffffffff8105e64a>] try_to_wake_up+0x1da/0x2a0
>>   [<ffffffff8105e722>] default_wake_function+0x12/0x20
>>   [<ffffffff81089b6d>] autoremove_wake_function+0x1d/0x50
>>   [<ffffffff8110fa5f>] ? free_pages+0x4f/0x60
>>   [<ffffffff8104e6c9>] __wake_up_common+0x59/0x90
>>   [<ffffffff81053df8>] __wake_up+0x48/0x70
>>   [<ffffffff810678f4>] printk_tick+0x44/0x50
>>   [<ffffffff8107686d>] update_process_times+0x4d/0x90
>>   [<ffffffff8109b1c6>] tick_sched_timer+0x66/0xc0
>>   [<ffffffff810d36be>] ? __rcu_process_callbacks+0x5e/0x1d0
>>   [<ffffffff8108dc62>] __run_hrtimer+0x82/0x1d0
>>   [<ffffffff8109b160>] ? tick_nohz_handler+0x100/0x100
>>   [<ffffffff8108e036>] hrtimer_interrupt+0x106/0x240
>>   [<ffffffff814f0ba9>] smp_apic_timer_interrupt+0x69/0x99
>>   [<ffffffff814eea5e>] apic_timer_interrupt+0x6e/0x80
>> <EOI> <NMI>  [<ffffffff814e31d3>] ? panic+0x169/0x1b1
>>   [<ffffffff814e3130>] ? panic+0xc6/0x1b1
>>   [<ffffffff810ccc11>] watchdog_overflow_callback+0xb1/0xc0
>>   [<ffffffff81102073>] __perf_event_overflow+0x93/0x200
>>   [<ffffffff810905e8>] ? sched_clock_cpu+0xb8/0x110
>>   [<ffffffff810fca01>] ? perf_event_update_userpage+0x11/0xc0
>>   [<ffffffff811025d4>] perf_event_overflow+0x14/0x20
>>   [<ffffffff81025e51>] intel_pmu_handle_irq+0x321/0x530
>>   [<ffffffff814e7649>] perf_event_nmi_handler+0x29/0xa0
>>   [<ffffffff814e99f5>] notifier_call_chain+0x55/0x80
>>   [<ffffffff814e9a5a>] atomic_notifier_call_chain+0x1a/0x20
>>   [<ffffffff814e9a8e>] notify_die+0x2e/0x30
>>   [<ffffffff814e6c39>] default_do_nmi+0x39/0x1f0
>>   [<ffffffff814e6e70>] do_nmi+0x80/0xa0
>>   [<ffffffff814e6630>] nmi+0x20/0x30
>>   [<ffffffff8106b9b0>] ? do_exit+0x3c0/0x410
>>   [<ffffffff814e5c25>] ? _raw_spin_lock_irq+0x25/0x30
>> <<EOE>>  [<ffffffff814e354e>] schedule+0xce/0x850
>>   [<ffffffff8106b9b0>] do_exit+0x3c0/0x410
>>   [<ffffffff814e702b>] oops_end+0xab/0xf0
>>   [<ffffffff8104196c>] no_context+0xfc/0x190
>>   [<ffffffff81041b25>] __bad_area_nosemaphore+0x125/0x1e0
>>   [<ffffffff81041bf3>] bad_area_nosemaphore+0x13/0x20
>>   [<ffffffff814e9866>] do_page_fault+0x326/0x460
>>   [<ffffffff810d3405>] ? call_rcu_sched+0x15/0x20
>>   [<ffffffff810d3405>] ? call_rcu_sched+0x15/0x20
>>   [<ffffffff814e6375>] page_fault+0x25/0x30
>>   [<ffffffff81089030>] ? kthread_data+0x10/0x20
>>   [<ffffffff81082365>] wq_worker_sleeping+0x15/0xa0
>>   [<ffffffff814e3a63>] schedule+0x5e3/0x850
>>   [<ffffffff8122812b>] ? put_io_context+0x4b/0x60
>>   [<ffffffff8106b85a>] do_exit+0x26a/0x410
>>   [<ffffffff814e702b>] oops_end+0xab/0xf0
>>   [<ffffffff8104196c>] no_context+0xfc/0x190
>>   [<ffffffff81041b25>] __bad_area_nosemaphore+0x125/0x1e0
>>   [<ffffffff8124f371>] ? list_del+0x11/0x40
>>   [<ffffffff81041bf3>] bad_area_nosemaphore+0x13/0x20
>>   [<ffffffff814e9866>] do_page_fault+0x326/0x460
>>   [<ffffffff81053e03>] ? __wake_up+0x53/0x70
>>   [<ffffffff81080b9e>] ? call_usermodehelper_exec+0x9e/0xe0
>>   [<ffffffff81080e1b>] ? __request_module+0x18b/0x220
>>   [<ffffffff814e6375>] page_fault+0x25/0x30
>>   [<ffffffff81082e11>] process_one_work+0x131/0x450
>>   [<ffffffff81084bbb>] worker_thread+0x17b/0x3c0
>>   [<ffffffff81084a40>] ? manage_workers+0x120/0x120
>>   [<ffffffff810894d6>] kthread+0x96/0xa0
>>   [<ffffffff814f0114>] kernel_thread_helper+0x4/0x10
>>   [<ffffffff81089440>] ? kthread_worker_fn+0x1a0/0x1a0
>>   [<ffffffff814f0110>] ? gs_change+0x13/0x13
>> ---[ end trace a7919e7f17c0a729 ]---
> 
> 
> ---
> ~Randy
> *** Remember to use Documentation/SubmitChecklist when testing your code ***
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