[Bugme-new] [Bug 12536] New: oops when plugging in AC

bugme-daemon at bugzilla.kernel.org bugme-daemon at bugzilla.kernel.org
Sat Jan 24 07:04:46 PST 2009


http://bugzilla.kernel.org/show_bug.cgi?id=12536

           Summary: oops when plugging in AC
           Product: ACPI
           Version: 2.5
     KernelVersion: 2.6.29-rc2-wl-dirty
          Platform: All
        OS/Version: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: Power-Processor
        AssignedTo: acpi_power-processor at kernel-bugs.osdl.org
        ReportedBy: johannes at sipsolutions.net


Seems like a race condition, I'm sure I've plugged in AC before at runtime
without this happening...

[ 3820.603439] BUG: unable to handle kernel paging request at ffffffff805b375f
[ 3820.603448] IP: [<ffffffff803f720b>] memcpy_c+0xb/0x20
[ 3820.603457] PGD 203067 PUD 207063 PMD 7c822161 PTE 5b3161
[ 3820.603465] Oops: 0003 [#1] PREEMPT SMP 
[ 3820.603472] last sysfs file:
/sys/devices/LNXSYSTM:00/device:00/PNP0C0A:00/power_supply/BAT0/energy_full
[ 3820.603476] CPU 1 
[ 3820.603479] Modules linked in: zd1211rw sha256_generic af_packet binfmt_misc
rfcomm l2cap kvm_intel kvm acpi_cpufreq cpufreq_userspace cpufreq_powersave
fuse loop btusb bluetooth bcm5974 snd_hda_codec_realtek hid_apple usbhid arc4
snd_hda_intel snd_hda_codec snd_hwdep snd_pcm_oss snd_mixer_oss snd_pcm
uvcvideo b43 videodev v4l1_compat v4l2_compat_ioctl32 snd_seq_oss rfkill
snd_seq_midi_event mac80211 snd_seq joydev cfg80211 snd_timer applesmc
snd_seq_device hwmon sg input_polldev mbp_nvidia_bl ehci_hcd ohci_hcd sr_mod
backlight ssb snd cdrom soundcore snd_page_alloc usbcore evdev sd_mod unix
[ 3820.603555] Pid: 89, comm: kacpi_notify Not tainted 2.6.29-rc2-wl-dirty #20
[ 3820.603559] RIP: 0010:[<ffffffff803f720b>]  [<ffffffff803f720b>]
memcpy_c+0xb/0x20
[ 3820.603564] RSP: 0018:ffff88007d8c3bc8  EFLAGS: 00010246
[ 3820.603567] RAX: ffffffff805b375f RBX: ffff880001aa0340 RCX:
0000000000000001
[ 3820.603570] RDX: 0000000000000000 RSI: ffffffff805cc600 RDI:
ffffffff805b375f
[ 3820.603573] RBP: ffff88007d8c3c10 R08: 0000000000000000 R09:
0000000000000000
[ 3820.603575] R10: 0000000000000000 R11: 0000000000000000 R12:
ffffffff81013038
[ 3820.603578] R13: ffffffff805cc600 R14: ffffffff8042dacf R15:
ffff88007d84c670
[ 3820.603581] FS:  0000000000000000(0000) GS:ffff88007de69190(0000)
knlGS:0000000000000000
[ 3820.603584] CS:  0010 DS: 0018 ES: 0018 CR0: 000000008005003b
[ 3820.603587] CR2: ffffffff805b375f CR3: 0000000000201000 CR4:
00000000000026e0
[ 3820.603590] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
0000000000000000
[ 3820.603593] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7:
0000000000000400
[ 3820.603597] Process kacpi_notify (pid: 89, threadinfo ffff88007d8c2000, task
ffff88007d8ba450)
[ 3820.603600] Stack:
[ 3820.603602]  ffffffffa0f2636c ffff880000000001 ffffffff805b375f
ffffffff00000198
[ 3820.603609]  ffffffff805b4aa2 ffffffff8100f820 0000000000185a60
ffff88007da6a9c0
[ 3820.603617]  0000000000000000 ffff88007d8c3c30 ffffffffa0f26406
ffff88007d8c3c40
[ 3820.603625] Call Trace:
[ 3820.603627]  [<ffffffffa0f2636c>] ? get_cur_val+0xcc/0x100 [acpi_cpufreq]
[ 3820.603635]  [<ffffffff805b375f>] ? down_write+0x6f/0x80
[ 3820.603642]  [<ffffffff805b4aa2>] ? _spin_unlock_irqrestore+0x42/0x80
[ 3820.603648]  [<ffffffffa0f26406>] get_cur_freq_on_cpu+0x66/0x90
[acpi_cpufreq]
[ 3820.603653]  [<ffffffff804d47b8>] cpufreq_update_policy+0xa8/0x110
[ 3820.603660]  [<ffffffff804d4820>] ? handle_update+0x0/0x10
[ 3820.603666]  [<ffffffff80446e8d>] ? acpi_ut_release_mutex+0x5d/0x61
[ 3820.603672]  [<ffffffff804542a5>] acpi_processor_ppc_has_changed+0x85/0x8c
[ 3820.603678]  [<ffffffff804485f6>] ? acpi_bus_get_device+0x25/0x39
[ 3820.603683]  [<ffffffff80450543>] acpi_processor_notify+0x57/0xc9
[ 3820.603688]  [<ffffffff80433fe8>] acpi_ev_notify_dispatch+0x5f/0x6b
[ 3820.603694]  [<ffffffff8042dafb>] acpi_os_execute_deferred+0x2c/0x39
[ 3820.603699]  [<ffffffff8042dacf>] ? acpi_os_execute_deferred+0x0/0x39
[ 3820.603704]  [<ffffffff8025a735>] run_workqueue+0x105/0x250
[ 3820.603711]  [<ffffffff8025a6e3>] ? run_workqueue+0xb3/0x250
[ 3820.603715]  [<ffffffff8025a92f>] worker_thread+0xaf/0x130
[ 3820.603720]  [<ffffffff8025f480>] ? autoremove_wake_function+0x0/0x40
[ 3820.603726]  [<ffffffff8025a880>] ? worker_thread+0x0/0x130
[ 3820.603730]  [<ffffffff8025efb9>] kthread+0x49/0x90
[ 3820.603735]  [<ffffffff8020cdba>] child_rip+0xa/0x20
[ 3820.603740]  [<ffffffff8020c780>] ? restore_args+0x0/0x30
[ 3820.603745]  [<ffffffff8025ef70>] ? kthread+0x0/0x90
[ 3820.603749]  [<ffffffff8020cdb0>] ? child_rip+0x0/0x20
[ 3820.603753] Code: 81 ea d8 1f 00 00 48 3b 42 20 73 07 48 8b 50 f9 31 c0 c3
31 d2 48 c7 c0 f2 ff ff ff c3 90 90 90 48 89 f8 89 d1 c1 e9 03 83 e2 07 <f3> 48
a5 89 d1 f3 a4 c3 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 
[ 3820.603823] RIP  [<ffffffff803f720b>] memcpy_c+0xb/0x20
[ 3820.603828]  RSP <ffff88007d8c3bc8>
[ 3820.603830] CR2: ffffffff805b375f
[ 3820.603834] ---[ end trace d64c84938314fbbc ]---


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