Comment 0 for bug 1216294

Ubuntu 13.10 kernel Oops at boot. Machine is a virtual KVM guest on a Debian host.

Linux ubuntu1310 3.11.0-3-generic #8-Ubuntu SMP Fri Aug 23 16:52:37 UTC 2013 i686 i686 i686 GNU/Linux

dmesg:
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[ 7.971731] BUG: unable to handle kernel paging request at d8011a00
[ 7.971850] IP: [<c104c05b>] kmap_atomic_prot+0x1b/0x100
[ 7.971998] *pdpt = 0000000001a56001 *pde = 0000000000000000
[ 7.972035] Oops: 0000 [#1] SMP
[ 7.972035] Modules linked in: serio_raw(F) i2c_piix4 soundcore(F) ppdev(F) pvpanic rfcomm bnep parport_pc(F) bluetooth mac_hid lp(F) parport(F) ext2(F) hid_generic usbhid hid floppy(F)
[ 7.972035] CPU: 0 PID: 467 Comm: apparmor_parser Tainted: GF 3.11.0-3-generic #8-Ubuntu
[ 7.972035] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 7.972035] task: d4433380 ti: d44c0000 task.ti: d44c0000
[ 7.972035] EIP: 0060:[<c104c05b>] EFLAGS: 00010202 CPU: 0
[ 7.972035] EIP is at kmap_atomic_prot+0x1b/0x100
[ 7.972035] EAX: d44c0000 EBX: d44c1e28 ECX: 80000000 EDX: 00000163
[ 7.972035] ESI: d8011a00 EDI: 00000010 EBP: d44c1de8 ESP: d44c1dd8
[ 7.972035] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068
[ 7.972035] CR0: 80050033 CR2: d8011a00 CR3: 13936000 CR4: 000006f0
[ 7.972035] Stack:
[ 7.972035] d4d18000 d44c1e28 00000ff0 00000010 d44c1df0 c104c159 d44c1e08 c12be770
[ 7.972035] 00000000 00000000 d6c0eac0 d7cfd000 d44c1e10 c12be7e2 d44c1e1c c12bef73
[ 7.972035] d6c13e00 d44c1e4c c12bf66e 00008ec9 d44c1000 00000010 00000000 d8011a00
[ 7.972035] Call Trace:
[ 7.972035] [<c104c159>] kmap_atomic+0x19/0x20
[ 7.972035] [<c12be770>] hash_walk_next+0x30/0x60
[ 7.972035] [<c12be7e2>] hash_walk_new_entry+0x42/0x50
[ 7.972035] [<c12bef73>] crypto_hash_walk_first_compat+0x33/0x40
[ 7.972035] [<c12bf66e>] shash_compat_update+0x1e/0x50
[ 7.972035] [<c12b659e>] aa_calc_profile_hash+0x11e/0x160
[ 7.972035] [<c12ae88e>] aa_unpack+0x35e/0xb90
[ 7.972035] [<c12a8080>] ? profile_remove+0x50/0x50
[ 7.972035] [<c12ad443>] aa_replace_profiles+0x33/0x9d0
[ 7.972035] [<c1146c98>] ? vmalloc+0x38/0x40
[ 7.972035] [<c12fb8ac>] ? _copy_from_user+0x2c/0x40
[ 7.972035] [<c12a8080>] ? profile_remove+0x50/0x50
[ 7.972035] [<c12a80b5>] profile_replace+0x35/0x50
[ 7.972035] [<c11694bd>] vfs_write+0x9d/0x1b0
[ 7.972035] [<c1169b69>] SyS_write+0x49/0x90
[ 7.972035] [<c163ce8d>] sysenter_do_call+0x12/0x28
[ 7.972035] Code: 0b eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 90 55 89 e5 57 56 53 83 ec 04 3e 8d 74 26 00 89 c6 89 e0 25 00 e0 ff ff 83 40 14 01 <8b> 06 c1 e8 1e 69 c0 40 03 00 00 05 40 92 95 c1 2b 80 0c 03 00
[ 7.972035] EIP: [<c104c05b>] kmap_atomic_prot+0x1b/0x100 SS:ESP 0068:d44c1dd8
[ 7.972035] CR2: 00000000d8011a00
[ 7.972035] ---[ end trace 8b400beaed908bb0 ]---
[ 7.972035] note: apparmor_parser[467] exited with preempt_count 1
[ 7.995943] BUG: scheduling while atomic: apparmor_parser/467/0x10000001
[ 7.999156] Modules linked in: serio_raw(F) i2c_piix4 soundcore(F) ppdev(F) pvpanic rfcomm bnep parport_pc(F) bluetooth mac_hid lp(F) parport(F) ext2(F) hid_generic usbhid hid floppy(F)