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Lekensteyn

BUG() on unloading wmi

Lekensteyn
Nov 2nd, 2011
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  1. [ 230.118288] [TTM] Finalizing pool allocator.
  2. [ 230.118341] [TTM] Zone kernel: Used memory at exit: 0 kiB.
  3. [ 230.118347] [TTM] Zone dma32: Used memory at exit: 0 kiB.
  4. [ 230.128266] [drm] Module unloaded
  5. [ 230.264614] BUG: unable to handle kernel NULL pointer dereference at 0000000000000030
  6. [ 230.266114] IP: [<ffffffff811d8332>] sysfs_find_dirent+0x12/0x70
  7. [ 230.267825] PGD 22c881067 PUD 1f1d12067 PMD 0
  8. [ 230.269584] Oops: 0000 [#1] SMP
  9. [ 230.271322] CPU 3
  10. [ 230.271342] Modules linked in: bnep rfcomm bluetooth parport_pc ppdev lp parport dm_crypt arc4 snd_hda_codec_hdmi snd_hda_codec_via snd_hda_intel iwlagn snd_hda_codec snd_hwdep snd_pcm mac802
  11. dev snd_seq_midi_event uvcvideo videodev snd_seq psmouse snd_timer snd_seq_device v4l2_compat_ioctl32 serio_raw snd soundcore cfg80211 intel_ips mei(C) jmb38x_ms memstick snd_page_alloc squashfs
  12. libahci jme sdhci_pci sdhci i915 drm_kms_helper drm xhci_hcd i2c_algo_bit wmi(-) usbhid hid video dm_raid45 xor dm_mirror dm_region_hash dm_log btrfs zlib_deflate libcrc32c [last unloaded: mxm_w
  13. mi]
  14. [ 230.281308]
  15. [ 230.283290] Pid: 3480, comm: modprobe Tainted: G C 3.0.0-12-generic #20-Ubuntu CLEVO CO. B7130 /B7130
  16. [ 230.285430] RIP: 0010:[<ffffffff811d8332>] [<ffffffff811d8332>] sysfs_find_dirent+0x12/0x70
  17. [ 230.287551] RSP: 0018:ffff88022b7bdcc8 EFLAGS: 00010292
  18. [ 230.289648] RAX: ffff8801f1dd5c80 RBX: 0000000000000000 RCX: ffff88022e4d38e8
  19. [ 230.291750] RDX: ffffffff81650fc0 RSI: 0000000000000000 RDI: 0000000000000000
  20. [ 230.293867] RBP: ffff88022b7bdce8 R08: 0000000000000000 R09: 0000000000000001
  21. [ 230.295974] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
  22. [ 230.298061] R13: ffffffff81650fc0 R14: 00000000006f3160 R15: 00000000006f4198
  23. [ 230.300135] FS: 00007f2004a09720(0000) GS:ffff88023bd80000(0000) knlGS:0000000000000000
  24. [ 230.302241] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
  25. [ 230.304339] CR2: 0000000000000030 CR3: 000000022aae9000 CR4: 00000000000006e0
  26. [ 230.306470] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
  27. [ 230.308614] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
  28. [ 230.310793] Process modprobe (pid: 3480, threadinfo ffff88022b7bc000, task ffff8801f1dd5c80)
  29. [ 230.312979] Stack:
  30. [ 230.315142] ffff88022b7bdce8 0000000000000000 0000000000000000 ffffffff81650fc0
  31. [ 230.317391] ffff88022b7bdd18 ffffffff811d84dc ffff88022b7bdd28 ffffffff81a6eba0
  32. [ 230.319653] 0000000000000000 ffff88022d05b410 ffff88022b7bdd38 ffffffff811da46d
  33. [ 230.321936] Call Trace:
  34. [ 230.324186] [<ffffffff811d84dc>] sysfs_get_dirent+0x3c/0x80
  35. [ 230.326484] [<ffffffff811da46d>] sysfs_unmerge_group+0x1d/0x80
  36. [ 230.328806] [<ffffffff813d3ce9>] rpm_sysfs_remove+0x19/0x20
  37. [ 230.331138] [<ffffffff813d3d0a>] dpm_sysfs_remove+0x1a/0x40
  38. [ 230.333462] [<ffffffff813cb22c>] device_del+0x4c/0x1b0
  39. [ 230.335780] [<ffffffff813cb3a6>] device_unregister+0x16/0x30
  40. [ 230.338106] [<ffffffffa00e9491>] wmi_free_devices+0x41/0x60 [wmi]
  41. [ 230.340448] [<ffffffffa00e94d3>] acpi_wmi_remove+0x23/0x30 [wmi]
  42. [ 230.342803] [<ffffffff8134d0a9>] acpi_device_remove+0x86/0xa5
  43. [ 230.345166] [<ffffffff813ce1ec>] __device_release_driver+0x7c/0xe0
  44. [ 230.347541] [<ffffffff813ce978>] driver_detach+0xc8/0xd0
  45. [ 230.349912] [<ffffffff813ce049>] bus_remove_driver+0x79/0xd0
  46. [ 230.352301] [<ffffffff813cf132>] driver_unregister+0x62/0xa0
  47. [ 230.354693] [<ffffffff8134db37>] acpi_bus_unregister_driver+0x15/0x17
  48. [ 230.357103] [<ffffffffa00ea3c4>] acpi_wmi_exit+0x10/0xc4c [wmi]
  49. [ 230.359515] [<ffffffff8109f03e>] sys_delete_module+0x18e/0x250
  50. [ 230.361937] [<ffffffff81167870>] ? vfs_write+0x110/0x180
  51. [ 230.364363] [<ffffffff81167b3a>] ? sys_write+0x4a/0x90
  52. [ 230.366785] [<ffffffff815f22c2>] system_call_fastpath+0x16/0x1b
  53. [ 230.369214] Code: df e8 f3 f8 ff ff 49 8b 5c 24 08 48 85 db 75 c3 5b 41 5c 5d c3 0f 1f 40 00 55 48 89 e5 41 55 41 54 53 48 83 ec 08 66 66 66 66 90 <4c> 8b 67 30 48 89 f3 49 89 d5 4d 85 e4 75 20 eb 34 0f 1f 44 00
  54. [ 230.375183] RIP [<ffffffff811d8332>] sysfs_find_dirent+0x12/0x70
  55. [ 230.378024] RSP <ffff88022b7bdcc8>
  56. [ 230.380838] CR2: 0000000000000030
  57. [ 230.383682] ---[ end trace a93c1245b9b32ae1 ]---
  58. (END)
  59.  
  60.  
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