[Bug 81697] [BYT Regression]"WARNING: CPU: 1 PID: 1234 at drivers/gpu/drm/i915/intel_dp.c:1184 intel_enable_dp+0x41/0x79 [i915]()" after boot

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Wed Aug 6 02:00:19 PDT 2014


https://bugs.freedesktop.org/show_bug.cgi?id=81697

--- Comment #3 from Guo Jinxian <jinxianx.guo at intel.com> ---
This bug is able to reproduce on latest
-nightly(79e44bfa10063ee529140e88fdc401c4ce07d644) while running test
igt/kms_fence_pin_leak

root at x-byt06:/GFX/Test/Intel_gpu_tools/intel-gpu-tools/tests#
./kms_fence_pin_leak
IGT-Version: 1.7-gac31f19 (x86_64) (Linux:
3.16.0_drm-intel-nightly_79e44b_20140806+ x86_64)
................................................................
root at x-byt06:/GFX/Test/Intel_gpu_tools/intel-gpu-tools/tests# dmesg -r|egrep
"<[1-4]>"|grep drm
<4>[  149.699322] WARNING: CPU: 0 PID: 3940 at
drivers/gpu/drm/i915/intel_dp.c:1235 intel_enable_dp+0x41/0x79 [i915]()
<4>[  149.699349] Modules linked in: dm_mod snd_hda_codec_hdmi
snd_hda_codec_realtek snd_hda_codec_generic iTCO_wdt iTCO_vendor_support
snd_hda_intel snd_hda_controller snd_hda_codec snd_hwdep snd_pcm serio_raw
pcspkr i2c_i801 lpc_ich mfd_core snd_timer snd soundcore iosf_mbi battery ac
acpi_cpufreq i915 button video drm_kms_helper drm
<4>[  149.699354] CPU: 0 PID: 3940 Comm: kms_fence_pin_l Tainted: G        W   
 3.16.0_drm-intel-nightly_79e44b_20140806+ #1148
<4>[  149.699557]  [<ffffffffa000bf02>] ?
drm_mode_set_config_internal+0x4b/0xb3 [drm]
<4>[  149.699565]  [<ffffffffa0050a74>] ? restore_fbdev_mode+0xa9/0xc2
[drm_kms_helper]
<4>[  149.699571]  [<ffffffffa0050aaa>] ?
drm_fb_helper_restore_fbdev_mode_unlocked+0x1d/0x34 [drm_kms_helper]
<4>[  149.699580]  [<ffffffffa0051edb>] ? drm_fb_helper_set_par+0x3a/0x59
[drm_kms_helper]
<4>[  149.699634]  [<ffffffffa0002f5c>] ? drm_ioctl+0x27a/0x3c0 [drm]
<4>[  149.896455] WARNING: CPU: 1 PID: 3940 at
drivers/gpu/drm/i915/intel_dp.c:1306 edp_panel_vdd_off+0x33/0x58 [i915]()
<4>[  149.896471] Modules linked in: dm_mod snd_hda_codec_hdmi
snd_hda_codec_realtek snd_hda_codec_generic iTCO_wdt iTCO_vendor_support
snd_hda_intel snd_hda_controller snd_hda_codec snd_hwdep snd_pcm serio_raw
pcspkr i2c_i801 lpc_ich mfd_core snd_timer snd soundcore iosf_mbi battery ac
acpi_cpufreq i915 button video drm_kms_helper drm
<4>[  149.896475] CPU: 1 PID: 3940 Comm: kms_fence_pin_l Tainted: G        W   
 3.16.0_drm-intel-nightly_79e44b_20140806+ #1148
<4>[  149.896671]  [<ffffffffa000bf02>] ?
drm_mode_set_config_internal+0x4b/0xb3 [drm]
<4>[  149.896677]  [<ffffffffa0050a74>] ? restore_fbdev_mode+0xa9/0xc2
[drm_kms_helper]
<4>[  149.896682]  [<ffffffffa0050aaa>] ?
drm_fb_helper_restore_fbdev_mode_unlocked+0x1d/0x34 [drm_kms_helper]
<4>[  149.896690]  [<ffffffffa0051edb>] ? drm_fb_helper_set_par+0x3a/0x59
[drm_kms_helper]
<4>[  149.896738]  [<ffffffffa0002f5c>] ? drm_ioctl+0x27a/0x3c0 [drm]

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