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<b><a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO --- - [SNB DP] WARNING: pipe_off wait timed out in ironlake_crtc_disable"
href="https://bugs.freedesktop.org/show_bug.cgi?id=67462#c24">Comment # 24</a>
on <a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO --- - [SNB DP] WARNING: pipe_off wait timed out in ironlake_crtc_disable"
href="https://bugs.freedesktop.org/show_bug.cgi?id=67462">bug 67462</a>
from <span class="vcard"><a class="email" href="mailto:lei.a.liu@intel.com" title="liulei <lei.a.liu@intel.com>"> <span class="fn">liulei</span></a>
</span></b>
<pre>(In reply to <a href="show_bug.cgi?id=67462#c23">comment #23</a>)
<span class="quote">> Please test this patch here, should apply to any recent-ish upstream:
>
> <a href="http://patchwork.freedesktop.org/patch/24864/">http://patchwork.freedesktop.org/patch/24864/</a></span >
This patch fixes problem "pipe_off wait timed out".But I found this Call Trace.
[ 1.423773] usb 2-1: new high-speed USB device number 2 using ehci-pci
[ 1.490861] ------------[ cut here ]------------
[ 1.490901] WARNING: CPU: 0 PID: 1262 at
drivers/gpu/drm/i915/intel_display.c:860 ironlake_crtc_disable+0x86/0x7f2
[i915]()
[ 1.490901] pipe_off wait timed out
[ 1.490904] Modules linked in: i915(+) video button drm_kms_helper drm
[ 1.490906] CPU: 0 PID: 1262 Comm: udevd Not tainted
3.14.0_kcloud_dde711_20140523+ #51
[ 1.490907] Hardware name: /DQ67SW, BIOS
SWQ6710H.86A.0060.2011.1220.1805 12/20/2011
[ 1.490909] 0000000000000000 ffffffff816fd068 ffff88023027b5e0
ffffffff81033e44
[ 1.490910] ffffffffa009b4ed ffff8800b8658000 ffff88023027b630
ffff880234af0000
[ 1.490911] ffff88022f909000 ffffffff81033ea0 ffffffffa00e0245
0000000000000018
[ 1.490912] Call Trace:
[ 1.490916] [<ffffffff816fd068>] ? dump_stack+0x41/0x51
[ 1.490918] [<ffffffff81033e44>] ? warn_slowpath_common+0x6f/0x84
[ 1.490939] [<ffffffffa009b4ed>] ? ironlake_crtc_disable+0x86/0x7f2 [i915]
[ 1.490940] [<ffffffff81033ea0>] ? warn_slowpath_fmt+0x47/0x49
[ 1.490957] [<ffffffffa009b4ed>] ? ironlake_crtc_disable+0x86/0x7f2 [i915]
[ 1.490974] [<ffffffffa00926ee>] ? intel_dump_pipe_config+0x17d/0x311
[i915]
[ 1.490991] [<ffffffffa009d13c>] ? __intel_set_mode+0x862/0x118c [i915]
[ 1.491008] [<ffffffffa009f682>] ? intel_set_mode+0xb/0x22 [i915]
[ 1.491024] [<ffffffffa00a0476>] ? intel_crtc_set_config+0x95c/0x9f6 [i915]
[ 1.491030] [<ffffffffa000be6c>] ? drm_mode_set_config_internal+0x48/0xc0
[drm]
[ 1.491033] [<ffffffffa00484cf>] ?
drm_fb_helper_restore_fbdev_mode+0x90/0xa5 [drm_kms_helper]
[ 1.491035] [<ffffffffa0049d7f>] ? drm_fb_helper_set_par+0x42/0x69
[drm_kms_helper]
[ 1.491037] [<ffffffff8130717b>] ? fbcon_init+0x2fa/0x400
[ 1.491040] [<ffffffff81352b89>] ? visual_init+0xaf/0x102
[ 1.491042] [<ffffffff8135448a>] ? do_bind_con_driver+0x19e/0x2c2
[ 1.491044] [<ffffffff81354a4b>] ? do_take_over_console+0x125/0x152
[ 1.491046] [<ffffffff81306885>] ? do_fbcon_takeover+0x4e/0x8e
[ 1.491047] [<ffffffff817053ec>] ? notifier_call_chain+0x32/0x52
[ 1.491049] [<ffffffff8104cb4e>] ? __blocking_notifier_call_chain+0x43/0x5b
[ 1.491051] [<ffffffff812fea77>] ? register_framebuffer+0x265/0x29b
[ 1.491053] [<ffffffffa004996f>] ? drm_fb_helper_initial_config+0x3b9/0x45f
[drm_kms_helper]
[ 1.491070] [<ffffffffa008cc97>] ? gen6_write32+0x22/0x6b [i915]
[ 1.491086] [<ffffffffa008cc97>] ? gen6_write32+0x22/0x6b [i915]
[ 1.491107] [<ffffffffa00c36cd>] ? i915_driver_load+0xb7b/0xd70 [i915]
[ 1.491109] [<ffffffff810428e1>] ? call_usermodehelper_exec+0xcd/0xfb
[ 1.491111] [<ffffffff812cb426>] ? kobject_uevent_env+0x3de/0x416
[ 1.491113] [<ffffffff8136cac9>] ? get_device+0xe/0x16
[ 1.491115] [<ffffffff816f5519>] ? klist_add_tail+0x1b/0x3c
[ 1.491116] [<ffffffff8136de3b>] ? device_add+0x4ec/0x4fd
[ 1.491122] [<ffffffffa000744d>] ? drm_dev_register+0x72/0xe3 [drm]
[ 1.491127] [<ffffffffa00093ae>] ? drm_get_pci_dev+0xfc/0x1ba [drm]
[ 1.491129] [<ffffffff812eea09>] ? local_pci_probe+0x34/0x77
[ 1.491130] [<ffffffff812eeb0d>] ? pci_device_probe+0xc1/0xe5
[ 1.491132] [<ffffffff8136feaa>] ? driver_probe_device+0x92/0x1b3
[ 1.491134] [<ffffffff8137004f>] ? __driver_attach+0x53/0x73
[ 1.491135] [<ffffffff8136fffc>] ? __device_attach+0x31/0x31
[ 1.491137] [<ffffffff8136e796>] ? bus_for_each_dev+0x6e/0x78
[ 1.491138] [<ffffffff8136f76e>] ? bus_add_driver+0xfb/0x1c4
[ 1.491140] [<ffffffff81370545>] ? driver_register+0x83/0xbb
[ 1.491141] [<ffffffffa00fc000>] ? 0xffffffffa00fbfff
[ 1.491142] [<ffffffff8100028f>] ? do_one_initcall+0x78/0xf9
[ 1.491144] [<ffffffff817053ec>] ? notifier_call_chain+0x32/0x52
[ 1.491145] [<ffffffff8104cb59>] ? __blocking_notifier_call_chain+0x4e/0x5b
[ 1.491148] [<ffffffff8107dacd>] ? load_module+0x1969/0x1aef
[ 1.491149] [<ffffffff8107b1dd>] ? store_uevent+0x30/0x30
[ 1.491152] [<ffffffff8107dce1>] ? SyS_init_module+0x8e/0x99
[ 1.491153] [<ffffffff817074e2>] ? system_call_fastpath+0x16/0x1b
[ 1.491154] ---[ end trace 313cd642c53a8e83 ]---</pre>
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