Created attachment 116301 [details] dmesg ==System Environment== -------------------------- Regression: not sure, only happens on drm-intel-nightly kernel. Non-working platforms: SKL ==kernel== -------------------------- drm-intel-nightly/7d26f93488c5aa488867b3e3769bd4b4fb88d657 commit 7d26f93488c5aa488867b3e3769bd4b4fb88d657 Author: Jani Nikula <jani.nikula@intel.com> Date: Wed Jun 3 14:28:08 2015 +0300 drm-intel-nightly: 2015y-06m-03d-11h-27m-41s UTC integration manifest ==Bug detailed description== ----------------------------- kms_plane causes [ 46.123378] WARNING: CPU: 2 PID: 5285 at drivers/gpu/drm/i915/i915_gem.c:5273 i915_gem_track_fb+0x61/0xf8 [i915](). I test it on following 10 merged branch, it only happens on drm-intel-nightly kernel. Test kernel branch: atomic-core drm-intel-fixes drm-intel-nightly for-next bxt-stage1 drm-intel-next-fixes drm-misc drm-fixes drm-intel-next-queued drm-next IGT-Version: 1.10-gc4ec47b (x86_64) (Linux: 4.1.0-rc6_drm-intel-nightly_7d26f9_20150604+ x86_64) Testing connector eDP-1 using pipe C plane 1 Subtest plane-panning-top-left-pipe-C-plane-1: SUCCESS (3.946s) dmesg: [ 46.123378] WARNING: CPU: 2 PID: 5285 at drivers/gpu/drm/i915/i915_gem.c:5273 i915_gem_track_fb+0x61/0xf8 [i915]() [ 46.123380] WARN_ON(!(old->frontbuffer_bits & frontbuffer_bits)) [ 46.123400] Modules linked in: dm_mod snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic ppdev serio_raw pcspkr snd_hda_intel snd_hda_codec snd_hda_core snd_hwdep snd_pcm snd_timer snd soundcore i2c_i801 wmi battery parport_pc parport ac acpi_cpufreq joydev i915 button video drm_kms_helper drm [ 46.123406] CPU: 2 PID: 5285 Comm: kms_plane Tainted: G U W 4.1.0-rc6_drm-intel-nightly_7d26f9_20150604+ #788 [ 46.123408] Hardware name: Intel Corporation Skylake Client platform/Skylake Y LPDDR3 RVP3, BIOS SKLSE2R1.R00.B084.B00.1505120313 05/12/2015 [ 46.123413] 0000000000000000 0000000000000009 ffffffff817a728c ffff880083daf908 [ 46.123417] ffffffff8103ebde ffff8801637a0000 ffffffffa00a2bc3 0000000000000009 [ 46.123420] ffff8801637a0000 ffff8801637a0000 0000000000000001 ffff8801637f3860 [ 46.123421] Call Trace: [ 46.123431] [<ffffffff817a728c>] ? dump_stack+0x40/0x50 [ 46.123436] [<ffffffff8103ebde>] ? warn_slowpath_common+0x98/0xb0 [ 46.123467] [<ffffffffa00a2bc3>] ? i915_gem_track_fb+0x61/0xf8 [i915] [ 46.123471] [<ffffffff8103ec3b>] ? warn_slowpath_fmt+0x45/0x4a [ 46.123499] [<ffffffffa00a2bc3>] ? i915_gem_track_fb+0x61/0xf8 [i915] [ 46.123536] [<ffffffffa00dcf2b>] ? intel_prepare_plane_fb+0x117/0x134 [i915] [ 46.123548] [<ffffffffa0058834>] ? drm_atomic_helper_prepare_planes+0x4b/0xa7 [drm_kms_helper] [ 46.123580] [<ffffffffa00ebd93>] ? intel_atomic_commit+0x43/0x132 [i915] [ 46.123590] [<ffffffffa0059d9b>] ? drm_atomic_helper_plane_set_property+0x62/0xa3 [drm_kms_helper] [ 46.123605] [<ffffffffa00185af>] ? drm_modeset_lock+0x4e/0xa3 [drm] [ 46.123626] [<ffffffffa000b13f>] ? drm_mode_plane_set_obj_prop+0x22/0x48 [drm] [ 46.123634] [<ffffffffa005b10d>] ? restore_fbdev_mode+0x5c/0xc3 [drm_kms_helper] [ 46.123641] [<ffffffffa005c95e>] ? drm_fb_helper_restore_fbdev_mode_unlocked+0x1e/0x54 [drm_kms_helper] [ 46.123648] [<ffffffffa005c9c2>] ? drm_fb_helper_set_par+0x2e/0x32 [drm_kms_helper] [ 46.123681] [<ffffffffa00e8daf>] ? intel_fbdev_set_par+0x11/0x55 [i915] [ 46.123688] [<ffffffff81345321>] ? number.isra.13+0x11f/0x215 [ 46.123694] [<ffffffff81386aa5>] ? fb_set_var+0x250/0x33b [ 46.123699] [<ffffffff81345f8e>] ? vsnprintf+0x83/0x3b9 [ 46.123705] [<ffffffff8137f651>] ? fbcon_blank+0x75/0x228 [ 46.123710] [<ffffffff810df968>] ? file_ra_state_init+0xc/0x1d [ 46.123716] [<ffffffff813d6541>] ? do_unblank_screen+0xef/0x168 [ 46.123721] [<ffffffff813cec31>] ? vt_ioctl+0x4de/0xf59 [ 46.123727] [<ffffffff813c6218>] ? tty_ioctl+0x954/0x9ba [ 46.123732] [<ffffffff81121a03>] ? do_filp_open+0x2b/0x6f [ 46.123736] [<ffffffff81123706>] ? do_vfs_ioctl+0x360/0x424 [ 46.123740] [<ffffffff8112b024>] ? __fd_install+0x15/0x40 [ 46.123744] [<ffffffff81123813>] ? SyS_ioctl+0x49/0x7a [ 46.123749] [<ffffffff817acdd7>] ? system_call_fastpath+0x12/0x6a [ 46.123787] ---[ end trace 48704d6ead8b9532 ]--- ==Reproduce steps== ---------------------------- 1. ./kms_plane --run-subtest plane-panning-top-left-pipe-C-plane-1
(In reply to lu hua from comment #0) > drm-intel-nightly/7d26f93488c5aa488867b3e3769bd4b4fb88d657 > commit 7d26f93488c5aa488867b3e3769bd4b4fb88d657 > Author: Jani Nikula <jani.nikula@intel.com> > Date: Wed Jun 3 14:28:08 2015 +0300 > > drm-intel-nightly: 2015y-06m-03d-11h-27m-41s UTC integration manifest Maarten's series that fixes this was merged on June 4th. *** This bug has been marked as a duplicate of bug 90733 ***
Closing Verified+Duplicate as duplicate of Closed+Fixed.
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