[Bug 94993] New: [BAT SKL] igt at kms_flip@basic-flip-vs-modeset: intel_atomic_commit: atomic_WARN(!lret) followed by vblank timeout

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Mon Apr 18 15:20:06 UTC 2016 

https://bugs.freedesktop.org/show_bug.cgi?id=94993

            Bug ID: 94993
           Summary: [BAT SKL] igt at kms_flip@basic-flip-vs-modeset:
                    intel_atomic_commit: atomic_WARN(!lret) followed by
                    vblank timeout
           Product: DRI
           Version: DRI git
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: major
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: imre.deak at intel.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Excerpt from
http://benchsrv.fi.intel.com//archive/results/CI_IGT_test/Patchwork_1927/skl-i7k-2/html/skl-i7k-2@Patchwork_1927@1/igt@kms_flip@basic-flip-vs-modeset.html:

"""
IGT-Version: 1.14-g7bd2ac6 (x86_64) (Linux: 4.6.0-rc4-CI-Patchwork_1927+
x86_64)
Using monotonic timestamps
Beginning basic-flip-vs-modeset on pipe A, connector HDMI-A-1
  1920x1080 60 1920 2008 2052 2200 1080 1084 1089 1125 0x5 0x48 148500

basic-flip-vs-modeset on pipe A, connector HDMI-A-1: PASSED

Beginning basic-flip-vs-modeset on pipe B, connector HDMI-A-1
  1920x1080 60 1920 2008 2052 2200 1080 1084 1089 1125 0x5 0x48 148500

basic-flip-vs-modeset on pipe B, connector HDMI-A-1: PASSED

Beginning basic-flip-vs-modeset on pipe C, connector HDMI-A-1
  1920x1080 60 1920 2008 2052 2200 1080 1084 1089 1125 0x5 0x48 148500

basic-flip-vs-modeset on pipe C, connector HDMI-A-1: PASSED

Subtest basic-flip-vs-modeset: SUCCESS (203.816s)
"""

dmesg:
"""
[  550.623934] ------------[ cut here ]------------
[  550.624013] WARNING: CPU: 3 PID: 6964 at
drivers/gpu/drm/i915/intel_display.c:13529 intel_atomic_commit+0x1274/0x1400
[i915]
[  550.624018] WARN_ON(!lret)
[  550.624022] Modules linked in:
[  550.624027]  snd_hda_intel i915 snd_hda_codec_hdmi snd_hda_codec_realtek
snd_hda_codec_generic x86_pkg_temp_thermal intel_powerclamp coretemp
crct10dif_pclmul snd_hda_codec crc32_pclmul ghash_clmulni_intel snd_hwdep
snd_hda_core snd_pcm mei_me mei i2c_hid e1000e ptp pps_core [last unloaded:
i915]
[  550.624070] CPU: 3 PID: 6964 Comm: kms_flip Tainted: G     U  W      
4.6.0-rc4-CI-Patchwork_1927+ #1
[  550.624075] Hardware name: System manufacturer System Product
Name/Z170M-PLUS, BIOS 0701 01/13/2016
[  550.624079]  0000000000000000 ffff88022f03fb28 ffffffff81405e35
ffff88022f03fb78
[  550.624088]  0000000000000000 ffff88022f03fb68 ffffffff81079c7c
000034d931a45510
[  550.624095]  0000000000000001 ffff8800bc1ba2a8 0000000000000000
0000000000000000
[  550.624103] Call Trace:
[  550.624114]  [<ffffffff81405e35>] dump_stack+0x67/0x92
[  550.624122]  [<ffffffff81079c7c>] __warn+0xcc/0xf0
[  550.624128]  [<ffffffff81079cea>] warn_slowpath_fmt+0x4a/0x50
[  550.624137]  [<ffffffff810c2df9>] ? finish_wait+0x59/0x70
[  550.624198]  [<ffffffffa01ed324>] intel_atomic_commit+0x1274/0x1400 [i915]
[  550.624206]  [<ffffffff810c2f60>] ? wait_woken+0x90/0x90
[  550.624212]  [<ffffffff81538b52>] drm_atomic_commit+0x32/0x50
[  550.624220]  [<ffffffff8151565d>] drm_atomic_helper_set_config+0x7d/0xb0
[  550.624229]  [<ffffffff81528e40>] drm_mode_set_config_internal+0x60/0x110
[  550.624234]  [<ffffffff8152c616>] drm_mode_setcrtc+0x186/0x4f0
[  550.624239]  [<ffffffff8151e64d>] drm_ioctl+0x13d/0x590
[  550.624244]  [<ffffffff8152c490>] ? drm_mode_setplane+0x1b0/0x1b0
[  550.624253]  [<ffffffff811da623>] ? __vfs_read+0x23/0xd0
[  550.624258]  [<ffffffff811ee0aa>] do_vfs_ioctl+0x8a/0x670
[  550.624266]  [<ffffffff811f9f3a>] ? __fget_light+0x6a/0x90
[  550.624271]  [<ffffffff811ee6cc>] SyS_ioctl+0x3c/0x70
[  550.624286]  [<ffffffff817d24a9>] entry_SYSCALL_64_fastpath+0x1c/0xac
[  550.624291] ---[ end trace 42b35cb92446f3c6 ]---
[  610.695197] ------------[ cut here ]------------
[  610.695213] WARNING: CPU: 3 PID: 6964 at drivers/gpu/drm/drm_irq.c:1323
drm_wait_one_vblank+0x150/0x1a0
[  610.695218] vblank wait timed out on crtc 0
[  610.695221] Modules linked in: snd_hda_intel i915 snd_hda_codec_hdmi
snd_hda_codec_realtek snd_hda_codec_generic x86_pkg_temp_thermal
intel_powerclamp coretemp crct10dif_pclmul snd_hda_codec crc32_pclmul
ghash_clmulni_intel snd_hwdep snd_hda_core snd_pcm mei_me mei i2c_hid e1000e
ptp pps_core [last unloaded: i915]
[  610.695268] CPU: 3 PID: 6964 Comm: kms_flip Tainted: G     U  W      
4.6.0-rc4-CI-Patchwork_1927+ #1
[  610.695272] Hardware name: System manufacturer System Product
Name/Z170M-PLUS, BIOS 0701 01/13/2016
[  610.695276]  0000000000000000 ffff88022f03fa78 ffffffff81405e35
ffff88022f03fac8
[  610.695285]  0000000000000000 ffff88022f03fab8 ffffffff81079c7c
0000052b31a45510
[  610.695293]  ffff88022ec8c548 0000000000000000 0000000000003c00
ffff880231a45510
[  610.695302] Call Trace:
[  610.695311]  [<ffffffff81405e35>] dump_stack+0x67/0x92
[  610.695319]  [<ffffffff81079c7c>] __warn+0xcc/0xf0
[  610.695325]  [<ffffffff81079cea>] warn_slowpath_fmt+0x4a/0x50
[  610.695333]  [<ffffffff810c2df9>] ? finish_wait+0x59/0x70
[  610.695338]  [<ffffffff815206b0>] drm_wait_one_vblank+0x150/0x1a0
[  610.695345]  [<ffffffff810c2f60>] ? wait_woken+0x90/0x90
[  610.695417]  [<ffffffffa01ebb9d>] intel_pre_plane_update+0x15d/0x180 [i915]
[  610.695477]  [<ffffffffa01ec422>] intel_atomic_commit+0x372/0x1400 [i915]
[  610.695487]  [<ffffffff81537db9>] ? drm_atomic_get_crtc_state+0x29/0xc0
[  610.695494]  [<ffffffff810c2f60>] ? wait_woken+0x90/0x90
[  610.695499]  [<ffffffff81538b52>] drm_atomic_commit+0x32/0x50
[  610.695506]  [<ffffffff8151565d>] drm_atomic_helper_set_config+0x7d/0xb0
[  610.695514]  [<ffffffff81528e40>] drm_mode_set_config_internal+0x60/0x110
[  610.695519]  [<ffffffff8152c616>] drm_mode_setcrtc+0x186/0x4f0
[  610.695527]  [<ffffffff81195088>] ? __might_fault+0x48/0xa0
[  610.695532]  [<ffffffff8151e64d>] drm_ioctl+0x13d/0x590
[  610.695537]  [<ffffffff8152c490>] ? drm_mode_setplane+0x1b0/0x1b0
[  610.695545]  [<ffffffff811da623>] ? __vfs_read+0x23/0xd0
[  610.695550]  [<ffffffff811ee0aa>] do_vfs_ioctl+0x8a/0x670
[  610.695558]  [<ffffffff811f9f3a>] ? __fget_light+0x6a/0x90
[  610.695563]  [<ffffffff811ee6cc>] SyS_ioctl+0x3c/0x70
[  610.695571]  [<ffffffff817d24a9>] entry_SYSCALL_64_fastpath+0x1c/0xac
[  610.695577] ---[ end trace 42b35cb92446f3c7 ]---
"""

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