[Intel-gfx] Memory corruption on hibernate/thaw with KMS
Bojan Smojver
bojan at rexursive.com
Mon Oct 10 12:37:56 CEST 2011
On Mon, 2011-10-10 at 21:12 +1100, Bojan Smojver wrote:
> When I attempted to shut the machine down, it hung and I could see
> more
> kernel traces on the console.
Tried again, but this time I used chvt 2; sleep 1; chvt 1 in the
sequence (this seems to agitate the bug faster). Indeed, got problems
quickly:
---------------------------
[ 175.770300] BUG: unable to handle kernel NULL pointer dereference at 0000000000000010
[ 175.774934] IP: [<ffffffff81243038>] prio_tree_replace+0x4b/0x66
[ 175.779296] PGD 1f88d0067 PUD 1f88af067 PMD 0
[ 175.783593] Oops: 0002 [#1] SMP
[ 175.788025] CPU 2
[ 175.788055] Modules linked in: fuse ppdev parport_pc lp parport sunrpc bnep bluetooth cpufreq_ondemand acpi_cpufreq freq_table mperf arc4 iwlagn snd_hda_codec_hdmi mac80211 snd_hda_codec_conexant uvcvideo snd_hda_intel snd_hda_codec videodev snd_hwdep media snd_seq qcserial v4l2_compat_ioctl32 usb_wwan snd_seq_device snd_pcm cfg80211 thinkpad_acpi snd_timer e1000e intel_ips iTCO_wdt iTCO_vendor_support joydev mxm_wmi snd_page_alloc snd i2c_i801 wmi rfkill pcspkr microcode soundcore ipv6 firewire_ohci sdhci_pci sdhci mmc_core firewire_core crc_itu_t i915 drm_kms_helper drm i2c_algo_bit i2c_core video [last unloaded: scsi_wait_scan]
[ 175.810238]
[ 175.814616] Pid: 3763, comm: gcm-apply Not tainted 3.1.0-rc9+ #105 LENOVO 4313CTO/4313CTO
[ 175.819031] RIP: 0010:[<ffffffff81243038>] [<ffffffff81243038>] prio_tree_replace+0x4b/0x66
[ 175.823327] RSP: 0018:ffff8801f8bbfce8 EFLAGS: 00010207
[ 175.827099] RAX: ffff880229b84100 RBX: ffff8801f8bfb100 RCX: 0000000000000000
[ 175.829260] RDX: ffff880229b84050 RSI: ffff880229b84100 RDI: ffff88022c12b318
[ 175.831374] RBP: ffff8801f8bbfce8 R08: ffff880229b84100 R09: 0000000000000000
[ 175.833440] R10: ffff8801f8bfbd48 R11: ffff8801f8bfbd10 R12: ffff880229b84050
[ 175.835388] R13: ffff88022c12b318 R14: 0000000000000080 R15: 0000000000000000
[ 175.837373] FS: 0000000000000000(0000) GS:ffff88023bd00000(0000) knlGS:0000000000000000
[ 175.839407] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 175.841446] CR2: 0000000000000010 CR3: 00000002085a1000 CR4: 00000000000006e0
[ 175.843471] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 175.845556] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[ 175.847616] Process gcm-apply (pid: 3763, threadinfo ffff8801f8bbe000, task ffff8801a864ae40)
[ 175.849738] Stack:
[ 175.851809] ffff8801f8bbfd48 ffffffff8124327a ffff880229b84100 000000000000003d
[ 175.853961] 000000000000003f 0000000000000000 000000000000003d ffff8801f8bfb0b0
[ 175.856109] ffff8801f8bfb100 ffff8801f8bfbd50 ffff88022c12b2f8 ffff8801f8bfbd48
[ 175.858296] Call Trace:
[ 175.860435] [<ffffffff8124327a>] prio_tree_insert+0x16b/0x216
[ 175.862599] [<ffffffff810f12bf>] vma_prio_tree_insert+0x26/0x3c
[ 175.864759] [<ffffffff810fdc3f>] __vma_link_file+0x64/0x66
[ 175.866899] [<ffffffff810fe32e>] vma_link+0x75/0x95
[ 175.869014] [<ffffffff810ffd9a>] mmap_region+0x30a/0x46b
[ 175.871114] [<ffffffff81100194>] do_mmap_pgoff+0x299/0x2f3
[ 175.873205] [<ffffffff81100303>] sys_mmap_pgoff+0x115/0x164
[ 175.875334] [<ffffffff810126d0>] sys_mmap+0x22/0x24
[ 175.877409] [<ffffffff8149dd42>] system_call_fastpath+0x16/0x1b
[ 175.879523] Code: 0f 0b 48 89 17 eb 16 48 89 4a 10 48 8b 4e 10 48 39 31 75 05 48 89 11 eb 04 48 89 51 08 48 8b 08 48 39 c1 74 0a 48 89 0a 48 8b 08
[ 175.879735] 89 51 10 48 8b 48 08 48 39 c1 74 0c 48 89 4a 08 48 8b 48 08
[ 175.884169] RIP [<ffffffff81243038>] prio_tree_replace+0x4b/0x66
[ 175.886469] RSP <ffff8801f8bbfce8>
[ 175.888702] CR2: 0000000000000010
[ 176.196577] ---[ end trace 75df9d9a11de8acd ]---
[ 178.928408] PM: Marking nosave pages: 000000000009e000 - 0000000000100000
[ 178.928418] PM: Marking nosave pages: 00000000bb27c000 - 00000000bb282000
[ 178.928422] PM: Marking nosave pages: 00000000bb35f000 - 00000000bb40f000
[ 178.928430] PM: Marking nosave pages: 00000000bb46f000 - 00000000bb70f000
[ 178.928446] PM: Marking nosave pages: 00000000bb717000 - 00000000bb71f000
[ 178.928451] PM: Marking nosave pages: 00000000bb76c000 - 00000000bb7ff000
[ 178.928457] PM: Marking nosave pages: 00000000bb800000 - 0000000100000000
[ 178.930551] PM: Marking nosave pages: 00000001fc000000 - 0000000200000000
[ 178.930855] PM: Basic memory bitmaps created
[ 178.930859] PM: Syncing filesystems ... done.
[ 179.006362] Freezing user space processes ...
[ 198.991114] Freezing of tasks failed after 20.00 seconds (1 tasks refusing to freeze, wq_busy=0):
[ 198.991165] gcm-apply D 0000000000000000 0 3763 1 0x00800084
[ 198.991175] ffff8801f8bbf860 0000000000000086 0000000000000000 ffff880100000000
[ 198.991185] ffff8801a864ae40 ffff8801f8bbffd8 ffff8801f8bbffd8 0000000000012d00
[ 198.991194] ffff88022e5d1720 ffff8801a864ae40 ffff8801a864b2c0 0000000100000002
[ 198.991203] Call Trace:
[ 198.991213] [<ffffffff8149612f>] schedule+0x5a/0x5c
[ 198.991218] [<ffffffff81497514>] rwsem_down_failed_common+0xd3/0x105
[ 198.991222] [<ffffffff814975fc>] ? _raw_spin_unlock_irqrestore+0x17/0x19
[ 198.991225] [<ffffffff8149756d>] rwsem_down_read_failed+0x12/0x14
[ 198.991231] [<ffffffff8124a844>] call_rwsem_down_read_failed+0x14/0x30
[ 198.991235] [<ffffffff81496ca4>] ? down_read+0x21/0x25
[ 198.991240] [<ffffffff81091d21>] acct_collect+0x4a/0x182
[ 198.991246] [<ffffffff8105af7c>] do_exit+0x21e/0x722
[ 198.991249] [<ffffffff810591ac>] ? kmsg_dump+0x4b/0xd7
[ 198.991253] [<ffffffff8149876e>] oops_end+0xbc/0xc5
[ 198.991256] [<ffffffff8148ddad>] no_context+0x203/0x212
[ 198.991259] [<ffffffff8148df87>] __bad_area_nosemaphore+0x1cb/0x1ec
[ 198.991263] [<ffffffff8108a8cf>] ? search_module_extables+0x3f/0x69
[ 198.991266] [<ffffffff8148dfbb>] bad_area_nosemaphore+0x13/0x15
[ 198.991270] [<ffffffff8149a716>] do_page_fault+0x1b8/0x37e
[ 198.991276] [<ffffffff811242ae>] ? lookup_page_cgroup+0x28/0x3e
[ 198.991282] [<ffffffff8116ed27>] ? dquot_file_open+0x1b/0x3e
[ 198.991285] [<ffffffff81497c75>] page_fault+0x25/0x30
[ 198.991289] [<ffffffff81243038>] ? prio_tree_replace+0x4b/0x66
[ 198.991292] [<ffffffff8124327a>] prio_tree_insert+0x16b/0x216
[ 198.991297] [<ffffffff810f12bf>] vma_prio_tree_insert+0x26/0x3c
[ 198.991302] [<ffffffff810fdc3f>] __vma_link_file+0x64/0x66
[ 198.991305] [<ffffffff810fe32e>] vma_link+0x75/0x95
[ 198.991309] [<ffffffff810ffd9a>] mmap_region+0x30a/0x46b
[ 198.991312] [<ffffffff81100194>] do_mmap_pgoff+0x299/0x2f3
[ 198.991315] [<ffffffff81100303>] sys_mmap_pgoff+0x115/0x164
[ 198.991322] [<ffffffff810126d0>] sys_mmap+0x22/0x24
[ 198.991326] [<ffffffff8149dd42>] system_call_fastpath+0x16/0x1b
[ 198.991330]
[ 198.991331] Restarting tasks ... done.
[ 198.992966] PM: Basic memory bitmaps freed
[ 198.996762] video LNXVIDEO:00: Restoring backlight state
[ 204.166989] PM: Marking nosave pages: 000000000009e000 - 0000000000100000
[ 204.166994] PM: Marking nosave pages: 00000000bb27c000 - 00000000bb282000
[ 204.166997] PM: Marking nosave pages: 00000000bb35f000 - 00000000bb40f000
[ 204.167001] PM: Marking nosave pages: 00000000bb46f000 - 00000000bb70f000
[ 204.167014] PM: Marking nosave pages: 00000000bb717000 - 00000000bb71f000
[ 204.167016] PM: Marking nosave pages: 00000000bb76c000 - 00000000bb7ff000
[ 204.167021] PM: Marking nosave pages: 00000000bb800000 - 0000000100000000
[ 204.168816] PM: Marking nosave pages: 00000001fc000000 - 0000000200000000
[ 204.169060] PM: Basic memory bitmaps created
[ 204.169061] PM: Syncing filesystems ... done.
[ 204.242358] Freezing user space processes ...
[ 224.228897] Freezing of tasks failed after 20.00 seconds (3 tasks refusing to freeze, wq_busy=0):
[ 224.230914] gnome-settings- D 0000000000000000 0 1716 1553 0x00800084
[ 224.232935] ffff88022a76bcd0 0000000000000086 0000000008100073 ffffea0000000000
[ 224.234996] ffff88022d059720 ffff88022a76bfd8 ffff88022a76bfd8 0000000000012d00
[ 224.237043] ffffffff81a0d020 ffff88022d059720 00000000817c1372 0000000100000001
[ 224.239067] Call Trace:
[ 224.241040] [<ffffffff810f7b97>] ? pmd_offset+0x19/0x3f
[ 224.243014] [<ffffffff8149612f>] schedule+0x5a/0x5c
[ 224.244981] [<ffffffff81496843>] __mutex_lock_common+0x102/0x163
[ 224.246946] [<ffffffff814969dc>] __mutex_lock_slowpath+0x1b/0x1d
[ 224.248883] [<ffffffff81496970>] mutex_lock+0x23/0x37
[ 224.250799] [<ffffffff81055b52>] dup_mm+0x2da/0x488
[ 224.252704] [<ffffffff810566db>] copy_process+0x9b1/0x119c
[ 224.254592] [<ffffffff811fc8dd>] ? security_file_alloc+0x16/0x18
[ 224.256473] [<ffffffff81056ff0>] do_fork+0xef/0x22d
[ 224.258329] [<ffffffff81497596>] ? _raw_spin_lock+0xe/0x10
[ 224.260184] [<ffffffff811309b6>] ? path_put+0x1f/0x23
[ 224.262024] [<ffffffff81016336>] sys_clone+0x28/0x2a
[ 224.263836] [<ffffffff8149e063>] stub_clone+0x13/0x20
[ 224.265631] [<ffffffff8149dd42>] ? system_call_fastpath+0x16/0x1b
[ 224.267423] gnome-settings- D ffff88022ab2c700 0 1721 1553 0x00800084
[ 224.269227] ffff8802286c3890 0000000000000086 0000000000000000 0000000000000000
[ 224.271071] ffff88022a6a2e40 ffff8802286c3fd8 ffff8802286c3fd8 0000000000012d00
[ 224.272912] ffff880219774560 ffff88022a6a2e40 0000000000000000 0000000000000000
[ 224.274740] Call Trace:
[ 224.276530] [<ffffffff8149612f>] schedule+0x5a/0x5c
[ 224.278320] [<ffffffff81497514>] rwsem_down_failed_common+0xd3/0x105
[ 224.280105] [<ffffffff8149756d>] rwsem_down_read_failed+0x12/0x14
[ 224.281874] [<ffffffff8124a844>] call_rwsem_down_read_failed+0x14/0x30
[ 224.283615] [<ffffffff81497a2d>] ? restore_args+0x30/0x30
[ 224.285331] [<ffffffff81496ca4>] ? down_read+0x21/0x25
[ 224.287026] [<ffffffff81497a2d>] ? restore_args+0x30/0x30
[ 224.288707] [<ffffffff8149a723>] do_page_fault+0x1c5/0x37e
[ 224.290389] [<ffffffff81495e9e>] ? __schedule+0x63b/0x669
[ 224.292060] [<ffffffff81075d75>] ? __remove_hrtimer+0x5c/0x83
[ 224.293718] [<ffffffff8149612f>] ? schedule+0x5a/0x5c
[ 224.295365] [<ffffffff81497c75>] page_fault+0x25/0x30
[ 224.297025] [<ffffffff811377e4>] ? do_sys_poll+0x32c/0x389
[ 224.298694] [<ffffffff811377cf>] ? do_sys_poll+0x317/0x389
[ 224.300340] [<ffffffff811368f4>] ? poll_freewait+0xaa/0xaa
[ 224.301971] [<ffffffff811369c0>] ? __pollwait+0xcc/0xcc
[ 224.303588] [<ffffffff814975fc>] ? _raw_spin_unlock_irqrestore+0x17/0x19
[ 224.305195] [<ffffffff8105137e>] ? select_task_rq_fair+0x3cc/0x658
[ 224.306785] [<ffffffff8102ab9c>] ? _flat_send_IPI_mask+0x7b/0x84
[ 224.308363] [<ffffffff8105c41f>] ? current_fs_time+0x37/0x3e
[ 224.309931] [<ffffffff8113afec>] ? touch_atime+0xf8/0x113
[ 224.311483] [<ffffffff81082322>] ? get_futex_key+0x8e/0x274
[ 224.313019] [<ffffffff81082a62>] ? futex_wake+0xfe/0x110
[ 224.314539] [<ffffffff811559d4>] ? fsnotify+0x1eb/0x217
[ 224.316046] [<ffffffff811378e4>] sys_poll+0x51/0xbb
[ 224.317618] [<ffffffff8149dd42>] system_call_fastpath+0x16/0x1b
[ 224.319148] gcm-apply D 0000000000000000 0 3763 1 0x00800084
[ 224.320644] ffff8801f8bbf860 0000000000000086 0000000000000000 ffff880100000000
[ 224.322166] ffff8801a864ae40 ffff8801f8bbffd8 ffff8801f8bbffd8 0000000000012d00
[ 224.323680] ffff88022e5d1720 ffff8801a864ae40 ffff8801a864b2c0 0000000100000002
[ 224.325181] Call Trace:
[ 224.326640] [<ffffffff8149612f>] schedule+0x5a/0x5c
[ 224.328098] [<ffffffff81497514>] rwsem_down_failed_common+0xd3/0x105
[ 224.329552] [<ffffffff814975fc>] ? _raw_spin_unlock_irqrestore+0x17/0x19
[ 224.330990] [<ffffffff8149756d>] rwsem_down_read_failed+0x12/0x14
[ 224.332418] [<ffffffff8124a844>] call_rwsem_down_read_failed+0x14/0x30
[ 224.333831] [<ffffffff81496ca4>] ? down_read+0x21/0x25
[ 224.335243] [<ffffffff81091d21>] acct_collect+0x4a/0x182
[ 224.336650] [<ffffffff8105af7c>] do_exit+0x21e/0x722
[ 224.338052] [<ffffffff810591ac>] ? kmsg_dump+0x4b/0xd7
[ 224.339455] [<ffffffff8149876e>] oops_end+0xbc/0xc5
[ 224.340861] [<ffffffff8148ddad>] no_context+0x203/0x212
[ 224.342356] [<ffffffff8148df87>] __bad_area_nosemaphore+0x1cb/0x1ec
[ 224.342361] [<ffffffff8108a8cf>] ? search_module_extables+0x3f/0x69
[ 224.342366] [<ffffffff8148dfbb>] bad_area_nosemaphore+0x13/0x15
[ 224.342373] [<ffffffff8149a716>] do_page_fault+0x1b8/0x37e
[ 224.342378] [<ffffffff811242ae>] ? lookup_page_cgroup+0x28/0x3e
[ 224.342382] [<ffffffff8116ed27>] ? dquot_file_open+0x1b/0x3e
[ 224.342385] [<ffffffff81497c75>] page_fault+0x25/0x30
[ 224.342387] [<ffffffff81243038>] ? prio_tree_replace+0x4b/0x66
[ 224.342389] [<ffffffff8124327a>] prio_tree_insert+0x16b/0x216
[ 224.342392] [<ffffffff810f12bf>] vma_prio_tree_insert+0x26/0x3c
[ 224.342395] [<ffffffff810fdc3f>] __vma_link_file+0x64/0x66
[ 224.342397] [<ffffffff810fe32e>] vma_link+0x75/0x95
[ 224.342399] [<ffffffff810ffd9a>] mmap_region+0x30a/0x46b
[ 224.342402] [<ffffffff81100194>] do_mmap_pgoff+0x299/0x2f3
[ 224.342404] [<ffffffff81100303>] sys_mmap_pgoff+0x115/0x164
[ 224.342409] [<ffffffff810126d0>] sys_mmap+0x22/0x24
[ 224.342411] [<ffffffff8149dd42>] system_call_fastpath+0x16/0x1b
[ 224.342414]
[ 224.342414] Restarting tasks ... done.
[ 224.344753] PM: Basic memory bitmaps freed
[ 224.349953] video LNXVIDEO:00: Restoring backlight state
---------------------------
So, at first glance, I would say the patch didn't fix it. Let me repeat
my tests using nomodeset.
--
Bojan
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