Hi,
I've run in the same bug on a Thinkpad x220. I think that #705028,
#705635 and #703390 cover the same issue and should be merged.
i915.i915_enable_rc6=0 does not fix the bug for me, however the bpo
kernel 3.2.0-0.bpo.1-amd64 does not have the issue.
The issue is in my experience not related to resume as it occured
reproducably several times on freshly booted sessions.
pci info
00:02.0 VGA compatible controller: Intel Corporation 2nd Generation Core
Processor Family Integrated Graphics Controller (rev 09) (prog-if 00 [VGA
controller])
Subsystem: Lenovo Device 21da
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B- DisINTx+
Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort-
<MAbort- >SERR- <PERR- INTx-
Latency: 0
Interrupt: pin A routed to IRQ 45
Region 0: Memory at f0000000 (64-bit, non-prefetchable) [size=4M]
Region 2: Memory at e0000000 (64-bit, prefetchable) [size=256M]
Region 4: I/O ports at 5000 [size=64]
Expansion ROM at <unassigned> [disabled]
Capabilities: <access denied>
Kernel driver in use: i915
syslog:
Apr 27 01:09:05 wanderer kernel: [18484.166124] [drm:i915_hangcheck_elapsed]
*ERROR* Hangcheck timer elapsed... GPU hung
Apr 27 01:09:05 wanderer kernel: [18484.166132] [drm] capturing error event;
look for more information in /debug/dri/0/i915_error_state
Apr 27 01:10:05 wanderer kernel: [18543.342337] ------------[ cut here
]------------
Apr 27 01:10:05 wanderer kernel: [18543.342360] WARNING: at
/build/buildd-linux_3.2.41-2-amd64-Wvc92F/linux-3.2.41/debian/build/source_rt/drivers/gpu/drm/i915/i915_gem.c:2418
i915_gem_object_put_fence+0x66/0x96 [i915]()
Apr 27 01:10:05 wanderer kernel: [18543.342364] Hardware name: 4291QS0
Apr 27 01:10:05 wanderer kernel: [18543.342366] Modules linked in: tp_smapi(O)
thinkpad_ec(O) binfmt_misc uinput xt_tcpudp nf_conntrack_ipv4 nf_defrag_ipv4
xt_state nf_conntrack iptable_filter ip_tables x_tables fuse sbs sbshc loop
kvm_intel kvm btusb uvcvideo bluetooth videodev v4l2_compat_ioctl32 media
snd_hda_codec_hdmi snd_hda_codec_conexant joydev arc4 evdev snd_hda_intel
snd_hda_codec coretemp snd_hwdep snd_pcm_oss snd_mixer_oss snd_pcm psmouse
battery serio_raw pcspkr snd_page_alloc thinkpad_acpi ac snd_seq_midi
power_supply snd_seq_midi_event nvram snd_rawmidi iwlwifi tpm_tis snd_seq tpm
tpm_bios mac80211 i915 snd_seq_device cfg80211 acpi_cpufreq drm_kms_helper
snd_timer i2c_i801 mperf rfkill drm video snd wmi i2c_algo_bit iTCO_wdt
i2c_core soundcore iTCO_vendor_support processor button ext4 crc16 jbd2 mbcache
sha256_generic dm_crypt dm_mod microcode sg sd_mod crc_t10dif sdhci_pci sdhci
crc32c_intel mmc_core ghash_clmulni_intel ahci thermal aesni_intel libahci
thermal_sys aes_x86_64 ehci_hcd aes_generic li
Apr 27 01:10:05 wanderer kernel: bata cryptd scsi_mod usbcore usb_common e1000e
[last unloaded: scsi_wait_scan]
Apr 27 01:10:05 wanderer kernel: [18543.342421] Pid: 5939, comm: Xorg Tainted:
G O 3.2.0-4-rt-amd64 #1 Debian 3.2.41-2
Apr 27 01:10:05 wanderer kernel: [18543.342424] Call Trace:
Apr 27 01:10:05 wanderer kernel: [18543.342431] [<ffffffff81048a4f>] ?
warn_slowpath_common+0x78/0x8c
Apr 27 01:10:05 wanderer kernel: [18543.342441] [<ffffffffa02dc153>] ?
i915_gem_object_put_fence+0x66/0x96 [i915]
Apr 27 01:10:05 wanderer kernel: [18543.342451] [<ffffffffa02dd1e7>] ?
i915_gem_object_unbind+0xd7/0x1ab [i915]
Apr 27 01:10:05 wanderer kernel: [18543.342460] [<ffffffffa02dd2d2>] ?
i915_gem_free_object_tail+0x17/0xe9 [i915]
Apr 27 01:10:05 wanderer kernel: [18543.342469] [<ffffffffa0280f84>] ?
drm_gem_handle_create+0xd6/0xd6 [drm]
Apr 27 01:10:05 wanderer kernel: [18543.342474] [<ffffffff811b8a92>] ?
kref_put+0x3e/0x47
Apr 27 01:10:05 wanderer kernel: [18543.342481] [<ffffffffa0280ce5>] ?
drm_gem_object_unreference_unlocked+0x2a/0x3a [drm]
Apr 27 01:10:05 wanderer kernel: [18543.342488] [<ffffffffa0280e01>] ?
drm_gem_object_release_handle+0x37/0x3b [drm]
Apr 27 01:10:05 wanderer kernel: [18543.342492] [<ffffffff811b6671>] ?
idr_for_each+0x6e/0xb7
Apr 27 01:10:05 wanderer kernel: [18543.342496] [<ffffffff810f4ad7>] ?
unlock_slab_and_free_delayed.isra.40+0x81/0x87
Apr 27 01:10:05 wanderer kernel: [18543.342504] [<ffffffffa02814f1>] ?
drm_gem_release+0x17/0x2a [drm]
Apr 27 01:10:05 wanderer kernel: [18543.342511] [<ffffffffa028072b>] ?
drm_release+0x3c8/0x64b [drm]
Apr 27 01:10:05 wanderer kernel: [18543.342516] [<ffffffff8110262c>] ?
fput+0xe8/0x18d
Apr 27 01:10:05 wanderer kernel: [18543.342519] [<ffffffff8110036f>] ?
filp_close+0x62/0x6a
Apr 27 01:10:05 wanderer kernel: [18543.342521] [<ffffffff8104bc71>] ?
put_files_struct+0x6a/0xcc
Apr 27 01:10:05 wanderer kernel: [18543.342524] [<ffffffff8104c306>] ?
do_exit+0x29f/0x774
Apr 27 01:10:05 wanderer kernel: [18543.342527] [<ffffffff810f4cf0>] ?
kmem_cache_free+0x4b/0x91
Apr 27 01:10:05 wanderer kernel: [18543.342530] [<ffffffff8104ca8c>] ?
do_group_exit+0x83/0xb0
Apr 27 01:10:05 wanderer kernel: [18543.342534] [<ffffffff81059209>] ?
get_signal_to_deliver+0x4de/0x501
Apr 27 01:10:05 wanderer kernel: [18543.342538] [<ffffffff8100ee8b>] ?
do_signal+0x38/0x607
Apr 27 01:10:05 wanderer kernel: [18543.342543] [<ffffffff8110f4d9>] ?
do_vfs_ioctl+0x417/0x458
Apr 27 01:10:05 wanderer kernel: [18543.342547] [<ffffffff8100f4bd>] ?
do_notify_resume+0x52/0x97
Apr 27 01:10:05 wanderer kernel: [18543.342550] [<ffffffff81365fa0>] ?
int_signal+0x12/0x17
Apr 27 01:10:05 wanderer kernel: [18543.342553] ---[ end trace 0000000000000002
]---
Yours Martin
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