Public bug reported:
This happened while I was trying to diagnose bug 328035 by starting up a
second X server and then executing a suspend/resume cycle.
[26481.877123] PM: Finishing wakeup.
[26481.877124] Restarting tasks ... done.
[26482.238410] general protection fault: 0000 [#1] SMP
[26482.238415] last sysfs file: /sys/devices/virtual/vc/vcsa63/dev
[26482.238418] Dumping ftrace buffer:
[26482.238420] (ftrace buffer empty)
[26482.238422] CPU 0
[26482.238423] Modules linked in: isofs udf crc_itu_t iwlagn btusb aes_x86_64
aes_generic sierra hfs lirc_atiusb lirc_dev ati_remote nls_iso8859_1 nls_cp437
vfat fat i915 drm bridge stp bnep kvm_intel kvm tun acpi_cpufreq input_polldev
sbp2 ppdev parport_pc lp parport joydev snd_hda_intel snd_pcm_oss snd_mixer_oss
snd_pcm snd_seq_dummy snd_seq_oss arc4 snd_seq_midi ecb thinkpad_acpi
snd_rawmidi snd_seq_midi_event nvram snd_seq iwlcore snd_timer pcmcia
snd_seq_device led_class psmouse snd mac80211 serio_raw pcspkr sdhci_pci
soundcore yenta_socket rsrc_nonstatic pcmcia_core ricoh_mmc sdhci iTCO_wdt
iTCO_vendor_support snd_page_alloc cfg80211 video output intel_agp usb_storage
ohci1394 ieee1394 ehci_hcd e1000e uhci_hcd fbcon tileblit font bitblit
softcursor fuse [last unloaded: iwlagn]
[26482.238467] Pid: 29831, comm: Xorg Not tainted 2.6.28-7-generic #20-Ubuntu
[26482.238469] RIP: 0010:[<ffffffff802b564e>] [<ffffffff802b564e>]
set_page_dirty+0x2e/0xe0
[26482.238476] RSP: 0018:ffff8800af547ae8 EFLAGS: 00010286
[26482.238478] RAX: ffff018000002124 RBX: ffffe200015afff8 RCX: 8000000063249067
[26482.238479] RDX: ffffe20000000000 RSI: 0000000000000001 RDI: ffffe200015afff8
[26482.238481] RBP: ffff8800af547b08 R08: 00000000fffffff5 R09: ffff8800af547ca8
[26482.238483] R10: 0000000000000002 R11: 0000000000000000 R12: ffff880001022840
[26482.238484] R13: ffff8800af547ca8 R14: 00000000073b0000 R15: ffff8800b302ad80
[26482.238486] FS: 0000000000000000(0000) GS:ffffffff80a7d000(0000)
knlGS:0000000000000000
[26482.238488] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[26482.238490] CR2: 00007f51a00e7300 CR3: 0000000000201000 CR4: 00000000000026a0
[26482.238491] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[26482.238493] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[26482.238495] Process Xorg (pid: 29831, threadinfo ffff8800af546000, task
ffff8800b4015980)
[26482.238496] Stack:
[26482.238497] ffff8800af547b08 ffffe200015afff8 ffff880001022840
ffff8800af547ca8
[26482.238500] ffff8800af547b98 ffffffff802bfbf8 ffff8800af547b38
ffffe2000139b540
[26482.238503] ffffe20002728930 8000000063249067 ffffe20002728940
0000000007400000
[26482.238507] Call Trace:
[26482.238508] [<ffffffff802bfbf8>] zap_pte_range+0x3a8/0x420
[26482.238512] [<ffffffff802c0cea>] unmap_page_range+0x2da/0x360
[26482.238514] [<ffffffff802c156f>] unmap_vmas+0x16f/0x2a0
[26482.238517] [<ffffffff802c62ad>] exit_mmap+0xad/0x180
[26482.238519] [<ffffffff8024ba48>] mmput+0x38/0xd0
[26482.238523] [<ffffffff8024fe86>] exit_mm+0x116/0x150
[26482.238525] [<ffffffff80681841>] ? _spin_lock_irq+0x11/0x20
[26482.238530] [<ffffffff80251e3c>] do_exit+0x16c/0x3b0
[26482.238532] [<ffffffff802520c2>] do_group_exit+0x42/0xc0
[26482.238535] [<ffffffff8025d6dc>] get_signal_to_deliver+0x1ac/0x3a0
[26482.238539] [<ffffffff80212625>] ? sysret_signal+0x3d/0x67
[26482.238542] [<ffffffff80212230>] do_signal+0x70/0x1e0
[26482.238544] [<ffffffff802e5d20>] ? __fput+0x170/0x1f0
[26482.238547] [<ffffffff80681841>] ? _spin_lock_irq+0x11/0x20
[26482.238550] [<ffffffff80259ff1>] ? sigprocmask+0x91/0x110
[26482.238552] [<ffffffff8025a5e2>] ? sys_rt_sigprocmask+0x82/0x120
[26482.238555] [<ffffffff80681841>] ? _spin_lock_irq+0x11/0x20
[26482.238557] [<ffffffff80212625>] ? sysret_signal+0x3d/0x67
[26482.238559] [<ffffffff802123dd>] do_notify_resume+0x3d/0x40
[26482.238561] [<ffffffff802129c7>] ptregscall_common+0x67/0xb0
[26482.238564] Code: e5 48 83 ec 20 48 89 5d e8 4c 89 65 f0 48 89 fb 4c 89 6d
f8 66 83 3f 00 48 8b 47 18 0f 88 a7 00 00 00 a8 01 75 37 48 85 c0 74 32 <48> 8b
40 58 48 c7 c2 c0 9e 30 80 48 89 df 48 8b 40 20 48 85 c0
[26482.238590] RIP [<ffffffff802b564e>] set_page_dirty+0x2e/0xe0
[26482.238593] RSP <ffff8800af547ae8>
[26482.238596] ---[ end trace 6522d7efc1fbcd39 ]---
ProblemType: Bug
Architecture: amd64
DistroRelease: Ubuntu 9.04
Package: linux-image-2.6.28-7-generic 2.6.28-7.20
ProcCmdLine: root=UUID=305dde78-d20a-4248-aaf4-09447b7c5791 ro quiet splash
ProcEnviron:
LC_COLLATE=C
PATH=(custom, user)
LANG=en_US.UTF-8
SHELL=/bin/zsh
ProcVersionSignature: Ubuntu 2.6.28-7.20-generic
SourcePackage: linux
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: apport-bug
--
general protection fault: 0000 during resume
https://bugs.launchpad.net/bugs/328440
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