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
Summary: [BYT Regression]"WARNING: CPU: 1 PID: 1234 at drivers/gpu/drm/i915/intel_dp.c...
Status: CLOSED FIXED
Alias: None
Product: DRI
Classification: Unclassified
Component: DRM/Intel (show other bugs)
Version: unspecified
Hardware: Other All
: highest normal
Assignee: Intel GFX Bugs mailing list
QA Contact: Intel GFX Bugs mailing list
URL:
Whiteboard:
Keywords:
Depends on:
Blocks:
 
Reported: 2014-07-24 03:00 UTC by Guo Jinxian
Modified: 2016-11-22 08:19 UTC (History)
2 users (show)

See Also:
i915 platform:
i915 features:


Attachments
dmesg (83.73 KB, text/plain)
2014-07-24 03:00 UTC, Guo Jinxian
no flags Details

Description Guo Jinxian 2014-07-24 03:00:27 UTC
Created attachment 103372 [details]
dmesg

==System Environment==
--------------------------
Regression: Yes

Good commit on -next-queued: 1cf0ba14740d96fbf6f58a201f000a34b74f4725

Non-working platforms: BYT

==kernel==
--------------------------
origin/drm-intel-nightly: af1aaba219fdd90ca1b30f9b8d8d19352224f170(fails)
    drm-intel-nightly: 2014y-07m-23d-20h-15m-10s integration manifest
origin/drm-intel-next-queued: 2b8ee5710915a244b807fbe3427299d007d19e89(fails)
    drm/i915: Allow overlapping userptr objects  
origin/drm-intel-fixes: eedd10f45bdcb2a5b2afa35f845e080c3bc984f2(works)
    drm/i915: Simplify i915_gem_release_all_mmaps()

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

Dmesg Shows:
[    3.504635] WARNING: CPU: 1 PID: 1235 at drivers/gpu/drm/i915/intel_dp.c:1201 intel_enable_dp+0x41/0x79 [i915]()
[    3.504635] eDP VDD already requested on
[    3.504641] Modules linked in: i915(+) video button drm_kms_helper drm
[    3.504645] CPU: 1 PID: 1235 Comm: udevd Not tainted 3.16.0-rc4_drm-intel-next-queued_1dd738_20140723+ #744
[    3.504649]  0000000000000000 0000000000000009 ffffffff817803ed ffff8800712b7418
[    3.504651]  ffffffff8103986c ffff880071139000 ffffffffa00c68ec 00000000abcd0008
[    3.504654]  ffff8800710268d8 ffff880002fb0000 ffff8800710268d8 ffff8800711d5000
[    3.504655] Call Trace:
[    3.504663]  [<ffffffff817803ed>] ? dump_stack+0x41/0x51
[    3.504668]  [<ffffffff8103986c>] ? warn_slowpath_common+0x78/0x90
[    3.504710]  [<ffffffffa00c68ec>] ? intel_enable_dp+0x41/0x79 [i915]
[    3.504713]  [<ffffffff8103991c>] ? warn_slowpath_fmt+0x45/0x4a
[    3.504756]  [<ffffffffa00c68ec>] ? intel_enable_dp+0x41/0x79 [i915]
[    3.504800]  [<ffffffffa00c6a3a>] ? vlv_pre_enable_dp+0x100/0x11a [i915]
[    3.504841]  [<ffffffffa00ae83c>] ? valleyview_crtc_enable+0x942/0xa36 [i915]
[    3.504883]  [<ffffffffa00abc1f>] ? __intel_set_mode+0x111c/0x1224 [i915]
[    3.504886]  [<ffffffff8177d3cc>] ? printk+0x4f/0x54
[    3.504928]  [<ffffffffa00b1c75>] ? intel_set_mode+0xd/0x27 [i915]
[    3.504970]  [<ffffffffa00b2852>] ? intel_crtc_set_config+0x705/0xa5b [i915]
[    3.504984]  [<ffffffffa000bf3b>] ? drm_mode_set_config_internal+0x4b/0xb3 [drm]
[    3.504989]  [<ffffffffa004bf94>] ? restore_fbdev_mode+0x8f/0xa8 [drm_kms_helper]
[    3.504993]  [<ffffffffa004bfca>] ? drm_fb_helper_restore_fbdev_mode_unlocked+0x1d/0x34 [drm_kms_helper]
[    3.504997]  [<ffffffffa004d1e2>] ? drm_fb_helper_set_par+0x39/0x58 [drm_kms_helper]
[    3.505038]  [<ffffffffa00bb7dc>] ? intel_fbdev_set_par+0x11/0x55 [i915]
[    3.505043]  [<ffffffff813650c9>] ? fbcon_init+0x2ff/0x408
[    3.505047]  [<ffffffff813b9485>] ? visual_init+0xaf/0x102
[    3.505051]  [<ffffffff813bac22>] ? do_bind_con_driver+0x1a1/0x2ca
[    3.505054]  [<ffffffff813bae7d>] ? do_take_over_console+0x132/0x162
[    3.505057]  [<ffffffff813647b6>] ? do_fbcon_takeover+0x53/0x96
[    3.505061]  [<ffffffff81055751>] ? notifier_call_chain+0x2e/0x59
[    3.505064]  [<ffffffff81055890>] ? __blocking_notifier_call_chain+0x43/0x5d
[    3.505067]  [<ffffffff8136e37d>] ? register_framebuffer+0x23f/0x29d
[    3.505072]  [<ffffffffa004cab8>] ? drm_fb_helper_initial_config+0x359/0x3ff [drm_kms_helper]
[    3.505112]  [<ffffffffa009cb9a>] ? gen6_write32+0x6c/0xbf [i915]
[    3.505157]  [<ffffffffa00d8d8e>] ? i915_driver_load+0xc63/0xe90 [i915]
[    3.505162]  [<ffffffff813d5170>] ? get_device+0x10/0x1c
[    3.505172]  [<ffffffffa000764f>] ? drm_dev_register+0x74/0xe7 [drm]
[    3.505175]  [<ffffffff8137f362>] ? acpi_pci_irq_enable+0x11c/0x12f
[    3.505184]  [<ffffffffa00097de>] ? drm_get_pci_dev+0xf4/0x1af [drm]
[    3.505188]  [<ffffffff81350d4a>] ? local_pci_probe+0x36/0x7c
[    3.505192]  [<ffffffff8132a211>] ? ida_get_new_above+0x171/0x18b
[    3.505194]  [<ffffffff81350fee>] ? pci_device_probe+0xcc/0xf0
[    3.505198]  [<ffffffff813d8af6>] ? driver_probe_device+0x9d/0x1d5
[    3.505201]  [<ffffffff813d8c2e>] ? driver_probe_device+0x1d5/0x1d5
[    3.505204]  [<ffffffff813d8c81>] ? __driver_attach+0x53/0x73
[    3.505207]  [<ffffffff813d73ee>] ? bus_for_each_dev+0x4e/0x7f
[    3.505210]  [<ffffffff813d83a4>] ? bus_add_driver+0xe7/0x1cc
[    3.505213]  [<ffffffff813d92ca>] ? driver_register+0x82/0xb5
[    3.505216]  [<ffffffffa0118000>] ? 0xffffffffa0117fff
[    3.505219]  [<ffffffff81000301>] ? do_one_initcall+0xe3/0x176
[    3.505223]  [<ffffffff810f5c86>] ? __vunmap+0x8c/0xc4
[    3.505227]  [<ffffffff8108bf6d>] ? load_module+0x1821/0x1b04
[    3.505231]  [<ffffffff81089b8d>] ? module_unload_free+0xca/0xca
[    3.505234]  [<ffffffff8108c2e0>] ? SyS_init_module+0x90/0x9b
[    3.505238]  [<ffffffff81785f92>] ? system_call_fastpath+0x16/0x1b

[    3.702152] WARNING: CPU: 0 PID: 1235 at drivers/gpu/drm/i915/intel_dp.c:1259 edp_panel_vdd_off+0x32/0x77 [i915]()
[    3.702153] eDP VDD not forced on
[    3.702157] Modules linked in: i915(+) video button drm_kms_helper drm
[    3.702160] CPU: 0 PID: 1235 Comm: udevd Tainted: G        W     3.16.0-rc4_drm-intel-next-queued_1dd738_20140723+ #744
[    3.702164]  0000000000000000 0000000000000009 ffffffff817803ed ffff8800712b73f8
[    3.702166]  ffffffff8103986c 00000000001e1200 ffffffffa00c4d46 0000000080000008
[    3.702169]  ffff8800710268d8 ffff880002fb0001 ffff8800710268d8 ffff8800711d5000
[    3.702170] Call Trace:
[    3.702174]  [<ffffffff817803ed>] ? dump_stack+0x41/0x51
[    3.702178]  [<ffffffff8103986c>] ? warn_slowpath_common+0x78/0x90
[    3.702220]  [<ffffffffa00c4d46>] ? edp_panel_vdd_off+0x32/0x77 [i915]
[    3.702224]  [<ffffffff8103991c>] ? warn_slowpath_fmt+0x45/0x4a
[    3.702266]  [<ffffffffa00c4d46>] ? edp_panel_vdd_off+0x32/0x77 [i915]
[    3.702308]  [<ffffffffa00c6913>] ? intel_enable_dp+0x68/0x79 [i915]
[    3.702350]  [<ffffffffa00c6a3a>] ? vlv_pre_enable_dp+0x100/0x11a [i915]
[    3.702392]  [<ffffffffa00ae83c>] ? valleyview_crtc_enable+0x942/0xa36 [i915]
[    3.702434]  [<ffffffffa00abc1f>] ? __intel_set_mode+0x111c/0x1224 [i915]
[    3.702436]  [<ffffffff8177d3cc>] ? printk+0x4f/0x54
[    3.702478]  [<ffffffffa00b1c75>] ? intel_set_mode+0xd/0x27 [i915]
[    3.702520]  [<ffffffffa00b2852>] ? intel_crtc_set_config+0x705/0xa5b [i915]
[    3.702530]  [<ffffffffa000bf3b>] ? drm_mode_set_config_internal+0x4b/0xb3 [drm]
[    3.702534]  [<ffffffffa004bf94>] ? restore_fbdev_mode+0x8f/0xa8 [drm_kms_helper]
[    3.702538]  [<ffffffffa004bfca>] ? drm_fb_helper_restore_fbdev_mode_unlocked+0x1d/0x34 [drm_kms_helper]
[    3.702542]  [<ffffffffa004d1e2>] ? drm_fb_helper_set_par+0x39/0x58 [drm_kms_helper]
[    3.702583]  [<ffffffffa00bb7dc>] ? intel_fbdev_set_par+0x11/0x55 [i915]
[    3.702586]  [<ffffffff813650c9>] ? fbcon_init+0x2ff/0x408
[    3.702590]  [<ffffffff813b9485>] ? visual_init+0xaf/0x102
[    3.702593]  [<ffffffff813bac22>] ? do_bind_con_driver+0x1a1/0x2ca
[    3.702596]  [<ffffffff813bae7d>] ? do_take_over_console+0x132/0x162
[    3.702599]  [<ffffffff813647b6>] ? do_fbcon_takeover+0x53/0x96
[    3.702602]  [<ffffffff81055751>] ? notifier_call_chain+0x2e/0x59
[    3.702604]  [<ffffffff81055890>] ? __blocking_notifier_call_chain+0x43/0x5d
[    3.702608]  [<ffffffff8136e37d>] ? register_framebuffer+0x23f/0x29d
[    3.702612]  [<ffffffffa004cab8>] ? drm_fb_helper_initial_config+0x359/0x3ff [drm_kms_helper]
[    3.702652]  [<ffffffffa009cb9a>] ? gen6_write32+0x6c/0xbf [i915]
[    3.702697]  [<ffffffffa00d8d8e>] ? i915_driver_load+0xc63/0xe90 [i915]
[    3.702700]  [<ffffffff813d5170>] ? get_device+0x10/0x1c
[    3.702710]  [<ffffffffa000764f>] ? drm_dev_register+0x74/0xe7 [drm]
[    3.702713]  [<ffffffff8137f362>] ? acpi_pci_irq_enable+0x11c/0x12f
[    3.702722]  [<ffffffffa00097de>] ? drm_get_pci_dev+0xf4/0x1af [drm]
[    3.702725]  [<ffffffff81350d4a>] ? local_pci_probe+0x36/0x7c
[    3.702727]  [<ffffffff8132a211>] ? ida_get_new_above+0x171/0x18b
[    3.702730]  [<ffffffff81350fee>] ? pci_device_probe+0xcc/0xf0
[    3.702733]  [<ffffffff813d8af6>] ? driver_probe_device+0x9d/0x1d5
[    3.702736]  [<ffffffff813d8c2e>] ? driver_probe_device+0x1d5/0x1d5
[    3.702739]  [<ffffffff813d8c81>] ? __driver_attach+0x53/0x73
[    3.702742]  [<ffffffff813d73ee>] ? bus_for_each_dev+0x4e/0x7f
[    3.702745]  [<ffffffff813d83a4>] ? bus_add_driver+0xe7/0x1cc
[    3.702748]  [<ffffffff813d92ca>] ? driver_register+0x82/0xb5
[    3.702750]  [<ffffffffa0118000>] ? 0xffffffffa0117fff
[    3.702753]  [<ffffffff81000301>] ? do_one_initcall+0xe3/0x176
[    3.702756]  [<ffffffff810f5c86>] ? __vunmap+0x8c/0xc4
[    3.702759]  [<ffffffff8108bf6d>] ? load_module+0x1821/0x1b04
[    3.702762]  [<ffffffff81089b8d>] ? module_unload_free+0xca/0xca
[    3.702766]  [<ffffffff8108c2e0>] ? SyS_init_module+0x90/0x9b
[    3.702768]  [<ffffffff81785f92>] ? system_call_fastpath+0x16/0x1b


Reproduce steps:
-------------------------
1. boot device
2. dmesg -r|egrep "<[1-4]>"|grep drm
Comment 1 Guo Jinxian 2014-07-24 07:33:55 UTC
Test failed while running igt/testdisplay

root@x-bytm02:/GFX/Test/Intel_gpu_tools/intel-gpu-tools/tests# ./testdisplay
CRTC(7):[0]  1366x768 60 1366 1404 1426 1482 768 771 777 798 0xa 0x48 71000
root@x-bytm02:/GFX/Test/Intel_gpu_tools/intel-gpu-tools/tests# dmesg -r|egrep "<[1-4]>"|grep drm
<4>[ 1322.518121] WARNING: CPU: 0 PID: 4605 at drivers/gpu/drm/i915/intel_dp.c:1235 intel_enable_dp+0x41/0x79 [i915]()
<4>[ 1322.518144] Modules linked in: dm_mod snd_hda_codec_hdmi snd_hda_codec_conexant snd_hda_codec_generic iTCO_wdt iTCO_vendor_support snd_hda_intel snd_hda_controller pcspkr r8169 i2c_i801 lpc_ich mfd_core snd_hda_codec snd_hwdep snd_pcm snd_timer snd soundcore battery iosf_mbi wmi ac acpi_cpufreq uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core v4l2_common videodev i915 button video drm_kms_helper drm
<4>[ 1322.518149] CPU: 0 PID: 4605 Comm: testdisplay Tainted: G        W     3.16.0-rc6_drm-intel-nightly_af1aab_20140724+ #764
<4>[ 1322.518357]  [<ffffffffa000bf1d>] ? drm_mode_set_config_internal+0x4b/0xb3 [drm]
<4>[ 1322.518363]  [<ffffffffa0050a5a>] ? restore_fbdev_mode+0x8f/0xa8 [drm_kms_helper]
<4>[ 1322.518369]  [<ffffffffa0050a90>] ? drm_fb_helper_restore_fbdev_mode_unlocked+0x1d/0x34 [drm_kms_helper]
<4>[ 1322.518375]  [<ffffffffa0051db7>] ? drm_fb_helper_set_par+0x3a/0x58 [drm_kms_helper]
<4>[ 1322.518457]  [<ffffffffa0002fb5>] ? drm_ioctl+0x2bf/0x3c0 [drm]
<4>[ 1322.873691] WARNING: CPU: 1 PID: 4605 at drivers/gpu/drm/i915/intel_dp.c:1293 edp_panel_vdd_off+0x33/0x7a [i915]()
<4>[ 1322.873714] Modules linked in: dm_mod snd_hda_codec_hdmi snd_hda_codec_conexant snd_hda_codec_generic iTCO_wdt iTCO_vendor_support snd_hda_intel snd_hda_controller pcspkr r8169 i2c_i801 lpc_ich mfd_core snd_hda_codec snd_hwdep snd_pcm snd_timer snd soundcore battery iosf_mbi wmi ac acpi_cpufreq uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core v4l2_common videodev i915 button video drm_kms_helper drm
<4>[ 1322.873719] CPU: 1 PID: 4605 Comm: testdisplay Tainted: G        W     3.16.0-rc6_drm-intel-nightly_af1aab_20140724+ #764
<4>[ 1322.873949]  [<ffffffffa000bf1d>] ? drm_mode_set_config_internal+0x4b/0xb3 [drm]
<4>[ 1322.873956]  [<ffffffffa0050a5a>] ? restore_fbdev_mode+0x8f/0xa8 [drm_kms_helper]
<4>[ 1322.873962]  [<ffffffffa0050a90>] ? drm_fb_helper_restore_fbdev_mode_unlocked+0x1d/0x34 [drm_kms_helper]
<4>[ 1322.873968]  [<ffffffffa0051db7>] ? drm_fb_helper_set_par+0x3a/0x58 [drm_kms_helper]
<4>[ 1322.874049]  [<ffffffffa0002fb5>] ? drm_ioctl+0x2bf/0x3c0 [drm]
Comment 2 Guo Jinxian 2014-07-25 02:41:42 UTC
Another CallTrace after system boot.

root@x-bytm02:~# dmesg -r|egrep "<[1-4]>"|grep drm
<4>[    7.007897] WARNING: CPU: 1 PID: 1287 at drivers/gpu/drm/i915/intel_dp.c:1235 intel_edp_panel_vdd_on+0x30/0x32 [i915]()
<4>[    7.007922] Modules linked in: uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core v4l2_common videodev i915(+) button video drm_kms_helper drm
<4>[    7.007927] CPU: 1 PID: 1287 Comm: udevd Not tainted 3.16.0-rc6_drm-intel-nightly_af1aab_20140724_debug+ #766
<4>[    7.008405]  [<ffffffffa000cd2a>] drm_mode_set_config_internal+0x5a/0xd2 [drm]
<4>[    7.008417]  [<ffffffffa005f098>] restore_fbdev_mode+0x9c/0xba [drm_kms_helper]
<4>[    7.008428]  [<ffffffffa005f172>] drm_fb_helper_restore_fbdev_mode_unlocked+0x27/0x3c [drm_kms_helper]
<4>[    7.008438]  [<ffffffffa00604ab>] drm_fb_helper_set_par+0x44/0x64 [drm_kms_helper]
<4>[    7.008558]  [<ffffffffa005fca2>] drm_fb_helper_initial_config+0x358/0x401 [drm_kms_helper]
<4>[    7.008695]  [<ffffffffa0007e4d>] drm_dev_register+0x84/0xfd [drm]
<4>[    7.008713]  [<ffffffffa000a29d>] drm_get_pci_dev+0xfc/0x1b3 [drm]
<4>[    7.008851]  [<ffffffffa000a3b9>] drm_pci_init+0x65/0xe8 [drm]
<4>[    7.170138] WARNING: CPU: 0 PID: 1287 at drivers/gpu/drm/i915/intel_dp.c:1293 edp_panel_vdd_off+0x3b/0x7d [i915]()
<4>[    7.170158] Modules linked in: uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core v4l2_common videodev i915(+) button video drm_kms_helper drm
<4>[    7.170162] CPU: 0 PID: 1287 Comm: udevd Tainted: G        W     3.16.0-rc6_drm-intel-nightly_af1aab_20140724_debug+ #766
<4>[    7.170683]  [<ffffffffa000cd2a>] drm_mode_set_config_internal+0x5a/0xd2 [drm]
<4>[    7.170694]  [<ffffffffa005f098>] restore_fbdev_mode+0x9c/0xba [drm_kms_helper]
<4>[    7.170704]  [<ffffffffa005f172>] drm_fb_helper_restore_fbdev_mode_unlocked+0x27/0x3c [drm_kms_helper]
<4>[    7.170715]  [<ffffffffa00604ab>] drm_fb_helper_set_par+0x44/0x64 [drm_kms_helper]
<4>[    7.170831]  [<ffffffffa005fca2>] drm_fb_helper_initial_config+0x358/0x401 [drm_kms_helper]
<4>[    7.170980]  [<ffffffffa0007e4d>] drm_dev_register+0x84/0xfd [drm]
<4>[    7.170999]  [<ffffffffa000a29d>] drm_get_pci_dev+0xfc/0x1b3 [drm]
<4>[    7.171112]  [<ffffffffa000a3b9>] drm_pci_init+0x65/0xe8 [drm]
Comment 3 Guo Jinxian 2014-08-06 09:00:19 UTC
This bug is able to reproduce on latest -nightly(79e44bfa10063ee529140e88fdc401c4ce07d644) while running test igt/kms_fence_pin_leak

root@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@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]
Comment 4 yaoming 2014-08-08 05:21:45 UTC
This bug is not able to reproduce on latest drm-intel-nightly(c3b4c0436dffd0a2d25d9583bd6c3e64f5090603) after system boot.

commit c3b4c0436dffd0a2d25d9583bd6c3e64f5090603
Author:     Daniel Vetter <daniel.vetter@ffwll.ch>
AuthorDate: Thu Aug 7 16:50:48 2014 +0200
Commit:     Daniel Vetter <daniel.vetter@ffwll.ch>
CommitDate: Thu Aug 7 16:50:48 2014 +0200

    drm-intel-nightly: 2014y-08m-07d-16h-50m-27s integration manifest
-----------------------------
It also works well while running igt/testdisplay and igt/kms_fence_pin_leak

Linux x-byt01 3.16.0_drm-intel-nightly_c3b4c0_20140808+ #1216 SMP Fri Aug 8 11:24:46 CST 2014 x86_64 x86_64 x86_64 GNU/Linux
[root@x-byt01 tests]# ./testdisplay
CRTC(7):[0]  1920x1080 60 1920 1966 1996 2080 1080 1082 1086 1112 0xa 0x48 138780
[root@x-byt01 tests]# dmesg -r|egrep "<[1-4]>"|grep drm
[root@x-byt01 tests]#


[root@x-byt01 tests]# ./kms_fence_pin_leak
IGT-Version: 1.7-gac31f19 (x86_64) (Linux: 3.16.0_drm-intel-nightly_c3b4c0_20140808+ x86_64)
................................................................
[root@x-byt01 tests]#  dmesg -r|egrep "<[1-4]>"|grep drm
[root@x-byt01 tests]#
Comment 5 Jani Nikula 2014-09-09 09:45:35 UTC
Please run a re-test on current nightly to ensure the bug really isn't there anymore, so we can close it.
Comment 6 Guo Jinxian 2014-09-10 02:21:12 UTC
(In reply to comment #5)
> Please run a re-test on current nightly to ensure the bug really isn't there
> anymore, so we can close it.

Test passed on latest -nightly(4a3d32734bdcef6813b31f06a58430436e98711e).
Verified.
Comment 7 Jari Tahvanainen 2016-11-22 08:19:10 UTC
Closing verified+fixed.


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