[Bug 84162] [PNV/BDW Bisected]igt/kms_flip/bo-too-big causes "WARNING: CPU: 0 PID: 23592 at drivers/gpu/drm/drm_irq.c:1089 drm_wait_one_vblank+0x140/0x16b [drm]()"
bugzilla-daemon at freedesktop.org
bugzilla-daemon at freedesktop.org
Tue Oct 7 20:44:22 PDT 2014
https://bugs.freedesktop.org/show_bug.cgi?id=84162
--- Comment #7 from Guo Jinxian <jinxianx.guo at intel.com> ---
Created attachment 107531
--> https://bugs.freedesktop.org/attachment.cgi?id=107531&action=edit
dmesg
(In reply to Daniel Vetter from comment #6)
> I have a hard time reproducing this, and from code inspection it should
> work. So there seems to be a bug still in drm_crtc_vblank_on. Please test
> with this debug patch an attach drm.debug=0xe dmesg with a backtrace:
>
> http://patchwork.freedesktop.org/patch/34421/
The failure still able to reproduce with this patch.
root at x-bdw05:/GFX/Test/Intel_gpu_tools/intel-gpu-tools/tests# ./kms_flip
--run-subtest bo-too-big
IGT-Version: 1.8-g6a8d33c (x86_64) (Linux: 3.17.0_kcloud_dda93f_20141008+
x86_64)
Using monotonic timestamps
Beginning bo-too-big on crtc 8, connector 19
1920x1080 60 1920 1966 1996 2080 1080 1082 1086 1112 0xa 0x48 138780
Beginning bo-too-big on crtc 12, connector 19
1920x1080 60 1920 1966 1996 2080 1080 1082 1086 1112 0xa 0x48 138780
Beginning bo-too-big on crtc 16, connector 19
1920x1080 60 1920 1966 1996 2080 1080 1082 1086 1112 0xa 0x48 138780
Subtest bo-too-big: SUCCESS (2.629s)
root at x-bdw05:/GFX/Test/Intel_gpu_tools/intel-gpu-tools/tests# dmesg -r|egrep
"<[1-4]>"|grep drm
<4>[ 306.181902] WARNING: CPU: 0 PID: 4614 at drivers/gpu/drm/drm_irq.c:1092
drm_wait_one_vblank+0x148/0x173 [drm]()
<4>[ 306.181904] Modules linked in: iTCO_wdt iTCO_vendor_support ppdev dm_mod
pcspkr i2c_i801 snd_hda_codec_hdmi snd_hda_intel snd_hda_controller
snd_hda_codec snd_hwdep snd_pcm lpc_ich mfd_core snd_timer snd soundcore
battery parport_pc parport ac acpi_cpufreq i915 button video drm_kms_helper drm
<4>[ 306.181946] [<ffffffffa0005e5c>] ? drm_wait_one_vblank+0x148/0x173 [drm]
<4>[ 306.181956] [<ffffffffa0005e5c>] ? drm_wait_one_vblank+0x148/0x173 [drm]
<4>[ 306.182021] [<ffffffffa000bd78>] ?
drm_mode_set_config_internal+0x48/0xbd [drm]
<4>[ 306.182029] [<ffffffffa000f498>] ? drm_mode_setcrtc+0x388/0x47e [drm]
<4>[ 306.182036] [<ffffffffa0004741>] ? drm_ioctl+0x344/0x3b3 [drm]
<4>[ 306.182042] [<ffffffffa000f110>] ? drm_mode_setplane+0x1cd/0x1cd [drm]
<4>[ 307.312482] WARNING: CPU: 0 PID: 4614 at drivers/gpu/drm/drm_irq.c:1092
drm_wait_one_vblank+0x148/0x173 [drm]()
<4>[ 307.312485] Modules linked in: iTCO_wdt iTCO_vendor_support ppdev dm_mod
pcspkr i2c_i801 snd_hda_codec_hdmi snd_hda_intel snd_hda_controller
snd_hda_codec snd_hwdep snd_pcm lpc_ich mfd_core snd_timer snd soundcore
battery parport_pc parport ac acpi_cpufreq i915 button video drm_kms_helper drm
<4>[ 307.312528] [<ffffffffa0005e5c>] ? drm_wait_one_vblank+0x148/0x173 [drm]
<4>[ 307.312537] [<ffffffffa0005e5c>] ? drm_wait_one_vblank+0x148/0x173 [drm]
<4>[ 307.312604] [<ffffffffa000bd78>] ?
drm_mode_set_config_internal+0x48/0xbd [drm]
<4>[ 307.312612] [<ffffffffa000f498>] ? drm_mode_setcrtc+0x388/0x47e [drm]
<4>[ 307.312619] [<ffffffffa0004741>] ? drm_ioctl+0x344/0x3b3 [drm]
<4>[ 307.312626] [<ffffffffa000f110>] ? drm_mode_setplane+0x1cd/0x1cd [drm]
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