Comment 8 for bug 1182386

I'm having some minor random glitches with graphics, so I searched syslog for intel and came across the same. I'm on Raring but running kernel 3.10.0-031000rc6-generic.

[ 2.592187] WARNING: at /home/apw/COD/linux/drivers/gpu/drm/i915/intel_display.c:979 intel_wait_for_pipe_off+0x1bc/0x1d0 [i915]()
[ 2.592188] pipe_off wait timed out
[ 2.592203] Modules linked in: crc32_pclmul ghash_clmulni_intel i915(+) aesni_intel video i2c_algo_bit sdhci_pci aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd sdhci drm_kms_helper ahci libahci drm e1000e ptp pps_core
[ 2.592207] CPU: 0 PID: 157 Comm: modprobe Not tainted 3.10.0-031000rc3-generic #201305261935
[ 2.592208] Hardware name: Sony Corporation VPCZ13C5E/VAIO, BIOS R3031C3 10/04/2011
[ 2.592212] ffffffffa01ba520 ffff88024a6a9428 ffffffff816c133c ffff88024a6a9468
[ 2.592214] ffffffff81044c70 ffffffff81e9f140 ffff88024952c000 0000000000070008
[ 2.592216] 00000000fffedd6b ffff88024a6a9fd8 0000000000000000 ffff88024a6a94c8
[ 2.592217] Call Trace:
[ 2.592226] [<ffffffff816c133c>] dump_stack+0x19/0x1b
[ 2.592231] [<ffffffff81044c70>] warn_slowpath_common+0x70/0xa0
[ 2.592233] [<ffffffff81044d56>] warn_slowpath_fmt+0x46/0x50
[ 2.592261] [<ffffffffa01772ac>] intel_wait_for_pipe_off+0x1bc/0x1d0 [i915]
[ 2.592291] [<ffffffffa01773be>] intel_disable_pipe+0xfe/0x140 [i915]
[ 2.592303] [<ffffffffa0177d0d>] ironlake_crtc_disable+0xbd/0x260 [i915]
[ 2.592313] [<ffffffffa01789c5>] __intel_set_mode+0x195/0x390 [i915]
[ 2.592316] [<ffffffff8133d574>] ? snprintf+0x34/0x40
[ 2.592317] [<ffffffff813358b0>] ? add_uevent_var+0x100/0x100
[ 2.592329] [<ffffffffa017d5e6>] intel_set_mode+0x16/0x30 [i915]
[ 2.592340] [<ffffffffa017d855>] intel_crtc_set_config+0x255/0x310 [i915]
[ 2.592352] [<ffffffffa0065d8e>] drm_mode_set_config_internal+0x2e/0x60 [drm]
[ 2.592355] [<ffffffffa00c8386>] drm_fb_helper_set_par+0x66/0xe0 [drm_kms_helper]
[ 2.592358] [<ffffffff8139b65c>] fbcon_init+0x52c/0x5b0
[ 2.592360] [<ffffffff81406bec>] visual_init+0xbc/0x120
[ 2.592362] [<ffffffff8140987a>] do_bind_con_driver+0x16a/0x320
[ 2.592363] [<ffffffff81409c51>] do_take_over_console+0x61/0x70
[ 2.592364] [<ffffffff813996bb>] do_fbcon_takeover+0x5b/0xb0
[ 2.592365] [<ffffffff8139e455>] fbcon_event_notify+0x3c5/0x3f0
[ 2.592368] [<ffffffff816d048d>] notifier_call_chain+0x4d/0x70
[ 2.592370] [<ffffffff81071078>] __blocking_notifier_call_chain+0x58/0x80
[ 2.592371] [<ffffffff810710b6>] blocking_notifier_call_chain+0x16/0x20
[ 2.592372] [<ffffffff8138e74b>] fb_notifier_call_chain+0x1b/0x20
[ 2.592373] [<ffffffff8138fa33>] do_register_framebuffer+0x1c3/0x2f0
[ 2.592374] [<ffffffff8138fb85>] register_framebuffer+0x25/0x40
[ 2.592376] [<ffffffffa00c6cf7>] drm_fb_helper_single_fb_probe+0x187/0x2f0 [drm_kms_helper]
[ 2.592378] [<ffffffffa00c81d4>] drm_fb_helper_initial_config+0x94/0xd0 [drm_kms_helper]
[ 2.592392] [<ffffffffa019b261>] intel_fbdev_initial_config+0x21/0x30 [i915]
[ 2.592399] [<ffffffffa014bc9b>] i915_load_modeset_init+0x1ab/0x1e0 [i915]
[ 2.592407] [<ffffffffa014e380>] i915_driver_load+0x340/0x660 [i915]
[ 2.592413] [<ffffffffa0060ea1>] drm_get_pci_dev+0x181/0x2a0 [drm]
[ 2.592421] [<ffffffffa01496e6>] i915_pci_probe+0x46/0xa0 [i915]
[ 2.592423] [<ffffffff813679fb>] local_pci_probe+0x4b/0x80
[ 2.592424] [<ffffffff813692a9>] __pci_device_probe+0xd9/0xe0
[ 2.592425] [<ffffffff813692ea>] pci_device_probe+0x3a/0x60
[ 2.592428] [<ffffffff814368f1>] really_probe+0x61/0x210
[ 2.592429] [<ffffffff81436bfe>] driver_probe_device+0x3e/0x60
[ 2.592430] [<ffffffff81436ccb>] __driver_attach+0xab/0xb0
[ 2.592432] [<ffffffff81436c20>] ? driver_probe_device+0x60/0x60
[ 2.592433] [<ffffffff81434dee>] bus_for_each_dev+0x5e/0x90
[ 2.592434] [<ffffffff8143652e>] driver_attach+0x1e/0x20
[ 2.592435] [<ffffffff81436036>] bus_add_driver+0xf6/0x260
[ 2.592436] [<ffffffffa01e6000>] ? 0xffffffffa01e5fff
[ 2.592437] [<ffffffff8143720a>] driver_register+0x7a/0x160
[ 2.592438] [<ffffffffa01e6000>] ? 0xffffffffa01e5fff
[ 2.592439] [<ffffffff8136828c>] __pci_register_driver+0x4c/0x50
[ 2.592444] [<ffffffffa00610da>] drm_pci_init+0x11a/0x130 [drm]
[ 2.592445] [<ffffffffa01e6000>] ? 0xffffffffa01e5fff
[ 2.592453] [<ffffffffa01e6066>] i915_init+0x66/0x68 [i915]
[ 2.592455] [<ffffffff8100023f>] do_one_initcall+0x3f/0x160
[ 2.592457] [<ffffffff810acdf0>] do_init_module+0x80/0x1f0
[ 2.592458] [<ffffffff810adf21>] load_module+0x371/0x520
[ 2.592460] [<ffffffff810ab140>] ? add_kallsyms+0x210/0x210
[ 2.592461] [<ffffffff810ae1a9>] SyS_init_module+0xd9/0x110
[ 2.592462] [<ffffffff816d4f06>] system_call_fastpath+0x1a/0x1f