Comment 5 for bug 1183804

Is see this error comes only when I boot up with 2 external displays. With only one I dont get the error. So it's releated with dual display.

so in 3.10 latets ppa it's is still in there:

3.10.0-031000-generic #201306301935 SMP Sun Jun 30 23:36:16 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux

[ 46.737042] ------------[ cut here ]------------
[ 46.737098] WARNING: at /home/apw/COD/linux/drivers/gpu/drm/i915/intel_display.c:979 intel_wait_for_pipe_off+0x1bc/0x1d0 [i915]()
[ 46.737101] pipe_off wait timed out
[ 46.737102] Modules linked in: dm_crypt pci_stub vboxpci(OF) vboxnetadp(OF) vboxnetflt(OF) vboxdrv(OF) ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables vsock zram(C) deflate zlib_deflate ctr twofish_generic twofish_avx_x86_64 twofish_x86_64_3way twofish_x86_64 twofish_common camellia_generic camellia_aesni_avx_x86_64 camellia_x86_64 serpent_avx_x86_64 serpent_sse2_x86_64 xts serpent_generic blowfish_generic blowfish_x86_64 blowfish_common cast5_avx_x86_64 cast5_generic cast_common des_generic cmac xcbc rmd160 crypto_null af_key xfrm_algo snd_hda_codec_hdmi snd_hda_codec_realtek joydev intel_powerclamp kvm_intel kvm qcserial usb_wwan usbserial qmi_wwan cdc_wdm crc32_pclmul usbnet ghash_clmulni_intel aesni_intel aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd snd_hda_intel snd_hda_codec btusb snd_hwdep snd_pcm uvcvideo hid_generic usb_storage snd_page_alloc videobuf2_vmalloc videobuf2_memops videobuf2_core usbhid hid snd_seq_midi videodev snd_seq_midi_event snd_rawmidi tpm_infineon snd_seq arc4 iwldvm snd_seq_device snd_timer mac80211 microcode lpc_ich psmouse iwlwifi rtsx_pci_ms serio_raw memstick snd cfg80211 soundcore i915 tpm_tis drm_kms_helper drm video i2c_algo_bit bnep parport_pc rfcomm ppdev mac_hid bluetooth fujitsu_laptop coretemp lp parport binfmt_misc nls_iso8859_1 rtsx_pci_sdmmc ahci libahci rtsx_pci e1000e ptp pps_core
[ 46.737182] CPU: 2 PID: 1800 Comm: Xorg Tainted: GF WC O 3.10.0-031000-generic #201306301935
[ 46.737184] Hardware name: FUJITSU LIFEBOOK U772/FJNB247, BIOS Version 1.07 08/21/2012
[ 46.737186] ffffffffa01f6818 ffff8801091839d8 ffffffff81703460 ffff880109183a18
[ 46.737190] ffffffff81059100 ffff880117cc4000 ffff8801177a4000 0000000000070008
[ 46.737193] 00000000ffff08af ffff880109183fd8 0000000000000000 ffff880109183a78
[ 46.737197] Call Trace:
[ 46.737207] [<ffffffff81703460>] dump_stack+0x19/0x1b
[ 46.737213] [<ffffffff81059100>] warn_slowpath_common+0x70/0xa0
[ 46.737217] [<ffffffff810591e6>] warn_slowpath_fmt+0x46/0x50
[ 46.737240] [<ffffffffa01b347c>] intel_wait_for_pipe_off+0x1bc/0x1d0 [i915]
[ 46.737259] [<ffffffffa01b359e>] intel_disable_pipe+0x10e/0x150 [i915]
[ 46.737278] [<ffffffffa01b3eed>] ironlake_crtc_disable+0xbd/0x260 [i915]
[ 46.737297] [<ffffffffa01b4ba5>] __intel_set_mode+0x195/0x390 [i915]
[ 46.737302] [<ffffffff8135a774>] ? snprintf+0x34/0x40
[ 46.737322] [<ffffffffa01b9826>] intel_set_mode+0x16/0x30 [i915]
[ 46.737342] [<ffffffffa01b9aa5>] intel_crtc_set_config+0x265/0x330 [i915]
[ 46.737362] [<ffffffffa0124e1e>] drm_mode_set_config_internal+0x2e/0x60 [drm]
[ 46.737380] [<ffffffffa0127ad8>] drm_mode_setcrtc+0x2e8/0x540 [drm]
[ 46.737398] [<ffffffffa01aa39f>] ? intel_crtc_load_lut+0x8f/0xb0 [i915]
[ 46.737415] [<ffffffffa011756a>] drm_ioctl+0x50a/0x650 [drm]
[ 46.737434] [<ffffffffa01277f0>] ? drm_mode_setplane+0x3e0/0x3e0 [drm]
[ 46.737438] [<ffffffff8109332c>] ? account_user_time+0x9c/0xb0
[ 46.737443] [<ffffffff811b2308>] do_vfs_ioctl+0x88/0x340
[ 46.737447] [<ffffffff811b2651>] SyS_ioctl+0x91/0xb0
[ 46.737451] [<ffffffff81717def>] tracesys+0xe1/0xe6
[ 46.737453] ---[ end trace e2abb1cdf73bde4a ]---