Comment 11 for bug 1211394

I get this crash every time during boot. Got a Xeon E3-1245 V2 (HD Graphics P4000) connected to a Dell U2713HM via DisplayPort. Seems related to the bug report.

[ 1.460294] ------------[ cut here ]------------
[ 1.460309] WARNING: CPU: 2 PID: 161 at /build/buildd/linux-3.11.0/drivers/gpu/drm/i915/intel_display.c:822 intel_wait_for_pipe_off+0xfb/0x1c0 [i915]()
[ 1.460309] pipe_off wait timed out
[ 1.460325] Modules linked in: i915(+) crct10dif_pclmul(F) crc32_pclmul(F) ghash_clmulni_intel(F) video(F) i2c_algo_bit aesni_intel(F) drm_kms_helper aes_x86_64(F) lrw(F) gf128mul(F) glue_helper(F) ablk_helper(F) cryptd(F) microcode(F) drm ahci(F) libahci(F) e1000e(F) ptp(F) pps_core(F) wmi
[ 1.460327] CPU: 2 PID: 161 Comm: systemd-udevd Tainted: GF 3.11.0-9-generic #16-Ubuntu
[ 1.460327] Hardware name: Hewlett-Packard HP Z220 CMT Workstation/1790, BIOS K51 v01.65 09/03/2013
[ 1.460329] 0000000000000009 ffff8804035bd2c8 ffffffff816f3219 ffff8804035bd310
[ 1.460330] ffff8804035bd300 ffffffff81061dbd 0000000000070008 ffff880402a00000
[ 1.460330] 00000000fffedc72 ffff8804035bdfd8 ffff880402919c70 ffff8804035bd360
[ 1.460331] Call Trace:
[ 1.460335] [<ffffffff816f3219>] dump_stack+0x45/0x56
[ 1.460338] [<ffffffff81061dbd>] warn_slowpath_common+0x7d/0xa0
[ 1.460339] [<ffffffff81061e2c>] warn_slowpath_fmt+0x4c/0x50
[ 1.460347] [<ffffffffa01c7e16>] ? i915_read32+0x66/0x140 [i915]
[ 1.460354] [<ffffffffa01f27db>] intel_wait_for_pipe_off+0xfb/0x1c0 [i915]
[ 1.460360] [<ffffffffa01f292d>] intel_disable_pipe+0x8d/0xa0 [i915]
[ 1.460365] [<ffffffffa01f4716>] ironlake_crtc_disable+0xd6/0x8c0 [i915]
[ 1.460371] [<ffffffffa01f9b14>] __intel_set_mode+0x314/0x880 [i915]
[ 1.460377] [<ffffffffa01fc106>] intel_set_mode+0x16/0x30 [i915]
[ 1.460383] [<ffffffffa01fc962>] intel_crtc_set_config+0x742/0x910 [i915]
[ 1.460390] [<ffffffffa0097f8d>] drm_mode_set_config_internal+0x5d/0xe0 [drm]
[ 1.460392] [<ffffffffa013b681>] drm_fb_helper_set_par+0x71/0xf0 [drm_kms_helper]
[ 1.460394] [<ffffffff813cb574>] fbcon_init+0x504/0x580
[ 1.460397] [<ffffffff814440ec>] visual_init+0xbc/0x120
[ 1.460399] [<ffffffff814468d3>] do_bind_con_driver+0x163/0x330
[ 1.460400] [<ffffffff81447084>] do_take_over_console+0x114/0x1c0
[ 1.460401] [<ffffffff813c7013>] do_fbcon_takeover+0x63/0xd0
[ 1.460402] [<ffffffff813cc1ad>] fbcon_event_notify+0x6dd/0x830
[ 1.460404] [<ffffffff816fe93c>] notifier_call_chain+0x4c/0x70
[ 1.460406] [<ffffffff8108a2dd>] __blocking_notifier_call_chain+0x4d/0x70
[ 1.460407] [<ffffffff8108a316>] blocking_notifier_call_chain+0x16/0x20
[ 1.460409] [<ffffffff813bc66b>] fb_notifier_call_chain+0x1b/0x20
[ 1.460410] [<ffffffff813be64d>] register_framebuffer+0x1dd/0x310
[ 1.460412] [<ffffffffa013b31f>] drm_fb_helper_initial_config+0x32f/0x510 [drm_kms_helper]
[ 1.460414] [<ffffffff8104dee9>] ? default_spin_lock_flags+0x9/0x10
[ 1.460423] [<ffffffffa021d481>] intel_fbdev_initial_config+0x21/0x30 [i915]
[ 1.460430] [<ffffffffa01cc311>] i915_driver_load+0xdc1/0xdf0 [i915]
[ 1.460435] [<ffffffffa0093826>] drm_get_pci_dev+0x166/0x2c0 [drm]
[ 1.460441] [<ffffffffa01c771c>] i915_pci_probe+0x2c/0x70 [i915]
[ 1.460444] [<ffffffff81393fae>] local_pci_probe+0x3e/0x70
[ 1.460445] [<ffffffff813952f1>] pci_device_probe+0x121/0x130
[ 1.460447] [<ffffffff81475667>] driver_probe_device+0x87/0x3a0
[ 1.460448] [<ffffffff81475a53>] __driver_attach+0x93/0xa0
[ 1.460449] [<ffffffff814759c0>] ? __device_attach+0x40/0x40
[ 1.460451] [<ffffffff81473583>] bus_for_each_dev+0x63/0xa0
[ 1.460451] [<ffffffff814750be>] driver_attach+0x1e/0x20
[ 1.460452] [<ffffffff81474c58>] bus_add_driver+0x1e8/0x2a0
[ 1.460453] [<ffffffffa016c000>] ? 0xffffffffa016bfff
[ 1.460454] [<ffffffff814760f4>] driver_register+0x74/0x150
[ 1.460455] [<ffffffffa016c000>] ? 0xffffffffa016bfff
[ 1.460456] [<ffffffff81393e2c>] __pci_register_driver+0x4c/0x50
[ 1.460460] [<ffffffffa0093a9a>] drm_pci_init+0x11a/0x130 [drm]
[ 1.460461] [<ffffffffa016c000>] ? 0xffffffffa016bfff
[ 1.460466] [<ffffffffa016c066>] i915_init+0x66/0x68 [i915]
[ 1.460468] [<ffffffff810020fa>] do_one_initcall+0xfa/0x1b0
[ 1.460469] [<ffffffff810548d3>] ? set_memory_nx+0x43/0x50
[ 1.460471] [<ffffffff810cc512>] load_module+0x12b2/0x1b80
[ 1.460472] [<ffffffff810c83e0>] ? store_uevent+0x40/0x40
[ 1.460474] [<ffffffff810cce82>] SyS_init_module+0xa2/0xf0
[ 1.460476] [<ffffffff817032ef>] tracesys+0xe1/0xe6
[ 1.460476] ---[ end trace 0059bfb137da0d27 ]---