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Mythbackend Hang

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Oct 9th, 2012
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  1. [ 8783.052320] VbglR0HGCMInternalCall: vbglR0HGCMInternalDoCall failed. rc=-2
  2. [ 8783.111869] VBoxGuestCommonIOCtl: HGCM_CALL: 64 Failed. rc=-2.
  3. [ 8783.256511] BUG: unable to handle kernel paging request at 00000b5700000057
  4. [ 8783.256538] IP: [<ffffffffa00468c8>] vbglPhysHeapExcludeBlock+0x18/0x60 [vboxguest]
  5. [ 8783.256597] PGD 0
  6. [ 8783.256602] Oops: 0002 [#1] SMP
  7. [ 8783.256607] CPU 1
  8. [ 8783.256609] Modules linked in: vboxvideo(O) drm vesafb ppdev vboxsf(O) psmouse serio_raw parport_pc i2c_piix4 vboxguest(O) mac_hid lp parport e1000
  9. [ 8783.256626]
  10. [ 8783.256630] Pid: 3016, comm: mythbackend Tainted: G W O 3.2.0-31-generic #50-Ubuntu innotek GmbH VirtualBox/VirtualBox
  11. [ 8783.256637] RIP: 0010:[<ffffffffa00468c8>] [<ffffffffa00468c8>] vbglPhysHeapExcludeBlock+0x18/0x60 [vboxguest]
  12. [ 8783.256650] RSP: 0018:ffff880036a47a68 EFLAGS: 00010206
  13. [ 8783.256654] RAX: 00000b570000003f RBX: ffff88007a370154 RCX: ffff88007a380000
  14. [ 8783.256657] RDX: 0000000000000000 RSI: ffff88007a37012c RDI: ffff88007a370218
  15. [ 8783.256660] RBP: ffff880036a47a68 R08: ffff880036a46000 R09: 0000000000000001
  16. [ 8783.256663] R10: 0000000000000000 R11: 0000000000000001 R12: ffff88007a37012c
  17. [ 8783.256666] R13: ffff88007a3701d0 R14: 0000000000000000 R15: 0000000000000005
  18. [ 8783.256687] FS: 00007fb08cff9700(0000) GS:ffff88007fc80000(0000) knlGS:0000000000000000
  19. [ 8783.256691] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
  20. [ 8783.256694] CR2: 00000b5700000057 CR3: 000000007bb81000 CR4: 00000000000006e0
  21. [ 8783.256712] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
  22. [ 8783.256716] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
  23. [ 8783.256720] Process mythbackend (pid: 3016, threadinfo ffff880036a46000, task ffff880036a3dc00)
  24. [ 8783.256722] Stack:
  25. [ 8783.256725] ffff880036a47a88 ffffffffa0046d89 ffff88007a370154 0000000000000005
  26. [ 8783.256732] ffff880036a47aa8 ffffffffa00452f2 ffff880036a47aa8 ffff880036a47e38
  27. [ 8783.256738] ffff880036a47c78 ffffffffa0045ef1 ffffea0001ed1700 ffff88007ffeb700
  28. [ 8783.256745] Call Trace:
  29. [ 8783.256791] [<ffffffffa0046d89>] VbglPhysHeapFree+0xc9/0xe0 [vboxguest]
  30. [ 8783.256803] [<ffffffffa00452f2>] VbglGRFree+0x22/0x30 [vboxguest]
  31. [ 8783.256814] [<ffffffffa0045ef1>] VbglR0HGCMInternalCall+0x941/0xde0 [vboxguest]
  32. [ 8783.256824] [<ffffffffa00424f0>] ? VBoxGuestHGCMAsyncWaitCallbackWorker+0x250/0x250 [vboxguest]
  33. [ 8783.256835] [<ffffffff8112037b>] ? __alloc_pages_nodemask+0x1ab/0x8f0
  34. [ 8783.256841] [<ffffffff8129cdbc>] ? security_inode_permission+0x1c/0x30
  35. [ 8783.256847] [<ffffffff8118389a>] ? inode_permission+0x4a/0x110
  36. [ 8783.256857] [<ffffffffa004207f>] VBoxGuestCommonIOCtl_HGCMCall+0x2bf/0x340 [vboxguest]
  37. [ 8783.256869] [<ffffffffa0043916>] VBoxGuestCommonIOCtl+0x356/0x1760 [vboxguest]
  38. [ 8783.256879] [<ffffffffa0041652>] VBoxGuestIDCCall+0x52/0x70 [vboxguest]
  39. [ 8783.256887] [<ffffffffa00b1876>] vbglDriverIOCtl+0x16/0x20 [vboxsf]
  40. [ 8783.256893] [<ffffffffa00b24ec>] VbglHGCMCall+0x4c/0xb0 [vboxsf]
  41. [ 8783.256900] [<ffffffffa00b2cf2>] vboxCallRead+0x82/0xa0 [vboxsf]
  42. [ 8783.256906] [<ffffffffa00afd61>] ? alloc_bounce_buffer+0x71/0x110 [vboxsf]
  43. [ 8783.256911] [<ffffffffa00afe52>] sf_reg_read_aux.isra.1+0x32/0x40 [vboxsf]
  44. [ 8783.256917] [<ffffffffa00b00bb>] sf_reg_read+0xdb/0x160 [vboxsf]
  45. [ 8783.256923] [<ffffffff81178090>] vfs_read+0xb0/0x180
  46. [ 8783.256926] [<ffffffff811781aa>] sys_read+0x4a/0x90
  47. [ 8783.256933] [<ffffffff81662b02>] system_call_fastpath+0x16/0x1b
  48. [ 8783.256936] Code: 00 00 00 55 48 89 e5 66 66 66 66 90 e8 02 ff ff ff 5d c3 55 48 89 e5 66 66 66 66 90 48 8b 47 10 31 d2 48 85 c0 74 0c 48 8b 57 18 <48> 89 50 18 48 8b 57 10 48 8b 47 18 48 85 c0 74 17 48 89 50 10
  49. [ 8783.256989] RIP [<ffffffffa00468c8>] vbglPhysHeapExcludeBlock+0x18/0x60 [vboxguest]
  50. [ 8783.257000] RSP <ffff880036a47a68>
  51. [ 8783.257002] CR2: 00000b5700000057
  52. [ 8783.257007] ---[ end trace 8550681abc27b5df ]---
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