[Bug 95047] stuck on render ring

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=95047

yann <yann.argotti at intel.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |NEEDINFO
      i915 features|GPU hang                    |display/atomic

--- Comment #1 from yann <yann.argotti at intel.com> ---
Looks like before GPU Hang happened, you had some issue (copy'n pasted one of
the back traces from your kernel log). Please try to update your kernel (ie
4.4.6-301.fc23.x86_64) with last one and confirm whether or not problem is
fixed:

[363028.671021] ------------[ cut here ]------------
[363028.671046] WARNING: CPU: 2 PID: 959 at drivers/gpu/drm/drm_irq.c:1326
drm_wait_one_vblank+0x1b5/0x1c0 [drm]()
[363028.671047] vblank wait timed out on crtc 0
[363028.671090] Modules linked in: tun ipt_MASQUERADE nf_nat_masquerade_ipv4
iptable_nat nf_nat_ipv4 nf_nat snd_seq_dummy bluetooth ccm cpufreq_stats
nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack uvcvideo intel_rapl
iosf_mbi videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 x86_pkg_temp_thermal
videobuf2_core v4l2_common coretemp videodev kvm_intel media kvm irqbypass arc4
iwldvm mac80211 crct10dif_pclmul snd_hda_codec_hdmi snd_hda_codec_conexant
snd_hda_codec_generic iTCO_wdt iTCO_vendor_support crc32_pclmul crc32c_intel
snd_hda_intel snd_hda_codec iwlwifi snd_hda_core snd_hwdep joydev snd_seq
cfg80211 snd_seq_device snd_pcm thinkpad_acpi rfkill snd_timer shpchp mei_me
snd mei soundcore lpc_ich i2c_i801 tpm_tis tpm wmi binfmt_misc i915
i2c_algo_bit drm_kms_helper drm sdhci_pci sdhci e1000e
[363028.671095]  serio_raw mmc_core ptp pps_core fjes video [last unloaded:
tun]
[363028.671098] CPU: 2 PID: 959 Comm: Xorg Tainted: G     U  W      
4.4.6-301.fc23.x86_64 #1
[363028.671099] Hardware name: LENOVO 4239CTO/4239CTO, BIOS 8AET65WW (1.45 )
05/14/2015
[363028.671102]  0000000000000286 00000000eea607b3 ffff88040946b7e8
ffffffff813b542e
[363028.671105]  ffff88040946b830 ffffffffa00f1772 ffff88040946b820
ffffffff810a40f2
[363028.671107]  ffff8804091f4000 0000000000000000 0000000000000000
0000000000dc5be3
[363028.671108] Call Trace:
[363028.671115]  [<ffffffff813b542e>] dump_stack+0x63/0x85
[363028.671120]  [<ffffffff810a40f2>] warn_slowpath_common+0x82/0xc0
[363028.671123]  [<ffffffff810a418c>] warn_slowpath_fmt+0x5c/0x80
[363028.671127]  [<ffffffff810e5fb3>] ? finish_wait+0x53/0x70
[363028.671142]  [<ffffffffa00c5c15>] drm_wait_one_vblank+0x1b5/0x1c0 [drm]
[363028.671145]  [<ffffffff810e6270>] ? wake_atomic_t_function+0x70/0x70
[363028.671184]  [<ffffffffa01ce6d5>] intel_atomic_commit+0x475/0x1420 [i915]
[363028.671203]  [<ffffffffa00de1be>] ? drm_atomic_check_only+0x18e/0x590 [drm]
[363028.671218]  [<ffffffffa00ddf67>] ?
drm_atomic_add_affected_connectors+0x27/0xf0 [drm]
[363028.671231]  [<ffffffffa00de5f7>] drm_atomic_commit+0x37/0x60 [drm]
[363028.671242]  [<ffffffffa013709f>] restore_fbdev_mode+0x22f/0x260
[drm_kms_helper]
[363028.671250]  [<ffffffffa0139273>]
drm_fb_helper_restore_fbdev_mode_unlocked+0x33/0x80 [drm_kms_helper]
[363028.671257]  [<ffffffffa01392ed>] drm_fb_helper_set_par+0x2d/0x50
[drm_kms_helper]
[363028.671288]  [<ffffffffa01e53ba>] intel_fbdev_set_par+0x1a/0x60 [i915]
[363028.671293]  [<ffffffff8142e6af>] ? fb_set_var+0x2ef/0x460
[363028.671295]  [<ffffffff8142e5f6>] fb_set_var+0x236/0x460
[363028.671298]  [<ffffffff810d76e9>] ? update_curr+0x79/0x160
[363028.671302]  [<ffffffff8142477f>] fbcon_blank+0x30f/0x350
[363028.671305]  [<ffffffff810cce89>] ? ttwu_do_wakeup+0x19/0xe0
[363028.671309]  [<ffffffff814ab5d3>] do_unblank_screen+0xd3/0x1a0
[363028.671312]  [<ffffffff814a07a9>] complete_change_console+0x59/0xe0
[363028.671315]  [<ffffffff814a0f40>] vt_ioctl+0x710/0x12e0
[363028.671328]  [<ffffffffa00c3639>] ? drm_ioctl+0x189/0x540 [drm]
[363028.671331]  [<ffffffff81494546>] tty_ioctl+0x356/0xc10
[363028.671335]  [<ffffffff8133fc9c>] ? selinux_file_ioctl+0x10c/0x1c0
[363028.671340]  [<ffffffff81241248>] do_vfs_ioctl+0x298/0x480
[363028.671343]  [<ffffffff81148c2b>] ? __audit_syscall_entry+0xab/0xf0
[363028.671347]  [<ffffffff81337553>] ? security_file_ioctl+0x43/0x60
[363028.671349]  [<ffffffff812414a9>] SyS_ioctl+0x79/0x90
[363028.671353]  [<ffffffff817a05ae>] entry_SYSCALL_64_fastpath+0x12/0x71
[363028.671355] ---[ end trace 5cf1d7ec71fea30b ]---
[363126.346486] ------------[ cut here ]------------

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