[Bug 81697] New: [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 Jul 23 20:00:27 PDT 2014
https://bugs.freedesktop.org/show_bug.cgi?id=81697
Priority: high
Bug ID: 81697
Keywords: bisect_pending
CC: intel-gfx-bugs at lists.freedesktop.org
Assignee: intel-gfx-bugs at lists.freedesktop.org
Summary: [BYT Regression]"WARNING: CPU: 1 PID: 1234 at
drivers/gpu/drm/i915/intel_dp.c:1184
intel_enable_dp+0x41/0x79 [i915]()" after boot
QA Contact: intel-gfx-bugs at lists.freedesktop.org
Severity: normal
Classification: Unclassified
OS: All
Reporter: jinxianx.guo at intel.com
Hardware: Other
Status: NEW
Version: unspecified
Component: DRM/Intel
Product: DRI
Created attachment 103372
--> https://bugs.freedesktop.org/attachment.cgi?id=103372&action=edit
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
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