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In random intervals my laptops screen goes dark and comes up seconds later with
the normal graphics.
Dmesg gets spammed with oopses like those:
26195.272441] ------------[ cut here ]------------
[26195.272453] WARNING: CPU: 0 PID: 27459 at
/build/buildd/linux-3.16.0/drivers/gpu/drm/i915/intel_pm.c:6001
intel_display_power_put+0xf9/0x160 [i915]()
[26195.272454] Modules linked in: snd_usb_audio snd_usbmidi_lib nls_utf8 btrfs
xor raid6_pq ufs qnx4 hfsplus hfs minix ntfs msdos jfs xfs libcrc32c btusb
rfcomm bnep bluetooth 6lowpan_iphc joydev wl(POE) applesmc input_polldev
snd_hda_codec_hdmi snd_hda_codec_cirrus snd_hda_codec_generic intel_rapl
x86_pkg_temp_thermal intel_powerclamp coretemp snd_hda_intel kvm_intel
snd_hda_controller snd_hda_codec kvm snd_hwdep snd_pcm bcm5974 snd_seq_midi
snd_seq_midi_event snd_rawmidi snd_seq snd_seq_device snd_timer cfg80211
lpc_ich snd nls_iso8859_1 shpchp mei_me mei soundcore sbs sbshc mac_hid
apple_bl parport_pc ppdev lp parport dm_crypt hid_generic hid_apple
crct10dif_pclmul crc32_pclmul ghash_clmulni_intel aesni_intel i915 aes_x86_64
lrw gf128mul glue_helper ablk_helper cryptd i2c_algo_bit drm_kms_helper
[26195.272484] ahci libahci usbhid drm hid uas usb_storage video
[26195.272488] CPU: 0 PID: 27459 Comm: Xorg Tainted: P W OE
3.16.0-24-generic #32-Ubuntu
[26195.272489] Hardware name: Apple Inc. MacBookPro11,1/Mac-189A3D4F975D5FFC,
BIOS MBP111.88Z.0138.B11.1408291433 08/29/2014
[26195.272490] 0000000000000009 ffff880076d53bf0 ffffffff8277fcbc
0000000000000000
[26195.272492] ffff880076d53c28 ffffffff8206fd8d ffffffffc0438800
0000000000002000
[26195.272494] ffff880452dc8520 0000000000000000 ffff880452dc0000
ffff880076d53c38
[26195.272497] Call Trace:
[26195.272499] [<ffffffff8277fcbc>] dump_stack+0x45/0x56
[26195.272502] [<ffffffff8206fd8d>] warn_slowpath_common+0x7d/0xa0
[26195.272505] [<ffffffff8206fe6a>] warn_slowpath_null+0x1a/0x20
[26195.272513] [<ffffffffc038a209>] intel_display_power_put+0xf9/0x160 [i915]
[26195.272527] [<ffffffffc03f655a>] intel_hdmi_detect+0x9a/0x140 [i915]
[26195.272532] [<ffffffffc03119c3>]
drm_helper_probe_single_connector_modes_merge_bits+0x2a3/0x390 [drm_kms_helper]
[26195.272536] [<ffffffffc0311ac3>]
drm_helper_probe_single_connector_modes+0x13/0x20 [drm_kms_helper]
[26195.272546] [<ffffffffc02bba0c>] drm_mode_getconnector+0x41c/0x480 [drm]
[26195.272552] [<ffffffffc02aca4f>] drm_ioctl+0x1df/0x680 [drm]
[26195.272556] [<ffffffff821f4bc8>] do_vfs_ioctl+0x2c8/0x4a0
[26195.272558] [<ffffffff82665ff5>] ? __sys_recvmsg+0x65/0x80
[26195.272560] [<ffffffff821f4e21>] SyS_ioctl+0x81/0xa0
[26195.272562] [<ffffffff82787ced>] system_call_fastpath+0x1a/0x1f
[26195.272564] ---[ end trace b40040e032179882 ]---
[26195.272570] ------------[ cut here ]------------
[26195.272578] WARNING: CPU: 0 PID: 27459 at
/build/buildd/linux-3.16.0/drivers/gpu/drm/i915/intel_pm.c:6001
intel_display_power_put+0xf9/0x160 [i915]()
[26195.272579] Modules linked in: snd_usb_audio snd_usbmidi_lib nls_utf8 btrfs
xor raid6_pq ufs qnx4 hfsplus hfs minix ntfs msdos jfs xfs libcrc32c btusb
rfcomm bnep bluetooth 6lowpan_iphc joydev wl(POE) applesmc input_polldev
snd_hda_codec_hdmi snd_hda_codec_cirrus snd_hda_codec_generic intel_rapl
x86_pkg_temp_thermal intel_powerclamp coretemp snd_hda_intel kvm_intel
snd_hda_controller snd_hda_codec kvm snd_hwdep snd_pcm bcm5974 snd_seq_midi
snd_seq_midi_event snd_rawmidi snd_seq snd_seq_device snd_timer cfg80211
lpc_ich snd nls_iso8859_1 shpchp mei_me mei soundcore sbs sbshc mac_hid
apple_bl parport_pc ppdev lp parport dm_crypt hid_generic hid_apple
crct10dif_pclmul crc32_pclmul ghash_clmulni_intel aesni_intel i915 aes_x86_64
lrw gf128mul glue_helper ablk_helper cryptd i2c_algo_bit drm_kms_helper
[26195.272608] ahci libahci usbhid drm hid uas usb_storage video
[26195.272613] CPU: 0 PID: 27459 Comm: Xorg Tainted: P W OE
3.16.0-24-generic #32-Ubuntu
[26195.272614] Hardware name: Apple Inc. MacBookPro11,1/Mac-189A3D4F975D5FFC,
BIOS MBP111.88Z.0138.B11.1408291433 08/29/2014
[26195.272615] 0000000000000009 ffff880076d53be0 ffffffff8277fcbc
0000000000000000
[26195.272617] ffff880076d53c18 ffffffff8206fd8d ffffffffc0438800
0000000000008000
[26195.272619] ffff880452dc8520 0000000000000000 ffff880452dc0000
ffff880076d53c28
[26195.272621] Call Trace:
[26195.272623] [<ffffffff8277fcbc>] dump_stack+0x45/0x56
[26195.272626] [<ffffffff8206fd8d>] warn_slowpath_common+0x7d/0xa0
[26195.272629] [<ffffffff8206fe6a>] warn_slowpath_null+0x1a/0x20
[26195.272637] [<ffffffffc038a209>] intel_display_power_put+0xf9/0x160 [i915]
[26195.272650] [<ffffffffc03ef725>] intel_dp_detect+0xa5/0x320 [i915]
[26195.272662] [<ffffffffc03f655a>] ? intel_hdmi_detect+0x9a/0x140 [i915]
[26195.272667] [<ffffffffc03119c3>]
drm_helper_probe_single_connector_modes_merge_bits+0x2a3/0x390 [drm_kms_helper]
[26195.272672] [<ffffffffc0311ac3>]
drm_helper_probe_single_connector_modes+0x13/0x20 [drm_kms_helper]
[26195.272681] [<ffffffffc02bba0c>] drm_mode_getconnector+0x41c/0x480 [drm]
[26195.272687] [<ffffffffc02aca4f>] drm_ioctl+0x1df/0x680 [drm]
[26195.272691] [<ffffffff821f4bc8>] do_vfs_ioctl+0x2c8/0x4a0
[26195.272693] [<ffffffff82665ff5>] ? __sys_recvmsg+0x65/0x80
[26195.272695] [<ffffffff821f4e21>] SyS_ioctl+0x81/0xa0
[26195.272697] [<ffffffff82787ced>] system_call_fastpath+0x1a/0x1f
[26195.272698] ---[ end trace b40040e032179883 ]---
ProblemType: Bug
DistroRelease: Ubuntu 14.10
Package: xserver-xorg-video-intel 2:2.99.914-1~exp1ubuntu4
ProcVersionSignature: Ubuntu 3.16.0-24.32-generic 3.16.4
Uname: Linux 3.16.0-24-generic x86_64
NonfreeKernelModules: wl
.tmp.unity.support.test.0:
ApportVersion: 2.14.7-0ubuntu8
Architecture: amd64
CompizPlugins: No value set for
`/apps/compiz-1/general/screen0/options/active_plugins'
CompositorRunning: compiz
CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0'
CompositorUnredirectFSW: true
CurrentDesktop: Unity
Date: Fri Oct 31 11:51:02 2014
DistUpgraded: 2014-10-29 10:12:53,162 DEBUG enabling apt cron job
DistroCodename: utopic
DistroVariant: ubuntu
DkmsStatus:
bcmwl, 6.30.223.248+bdcom, 3.13.0-38-generic, x86_64: installed
bcmwl, 6.30.223.248+bdcom, 3.16.0-24-generic, x86_64: installed
ExtraDebuggingInterest: Yes, if not too technical
GraphicsCard:
Intel Corporation Device [8086:0a2e] (rev 09) (prog-if 00 [VGA controller])
Subsystem: Apple Inc. Device [106b:011a]
InstallationDate: Installed on 2014-10-28 (2 days ago)
InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.2)
MachineType: Apple Inc. MacBookPro11,1
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.16.0-24-generic.efi.signed
root=UUID=1b7b98a8-d52d-4373-a81d-a7bffae519f6 ro libata.force=noncq quiet
splash vt.handoff=7
SourcePackage: xserver-xorg-video-intel
UpgradeStatus: Upgraded to utopic on 2014-10-29 (2 days ago)
dmi.bios.date: 08/29/2014
dmi.bios.vendor: Apple Inc.
dmi.bios.version: MBP111.88Z.0138.B11.1408291433
dmi.board.asset.tag: Base Board Asset Tag#
dmi.board.name: Mac-189A3D4F975D5FFC
dmi.board.vendor: Apple Inc.
dmi.board.version: MacBookPro11,1
dmi.chassis.type: 10
dmi.chassis.vendor: Apple Inc.
dmi.chassis.version: Mac-189A3D4F975D5FFC
dmi.modalias:
dmi:bvnAppleInc.:bvrMBP111.88Z.0138.B11.1408291433:bd08/29/2014:svnAppleInc.:pnMacBookPro11,1:pvr1.0:rvnAppleInc.:rnMac-189A3D4F975D5FFC:rvrMacBookPro11,1:cvnAppleInc.:ct10:cvrMac-189A3D4F975D5FFC:
dmi.product.name: MacBookPro11,1
dmi.product.version: 1.0
dmi.sys.vendor: Apple Inc.
version.compiz: compiz 1:0.9.12+14.10.20140918-0ubuntu1
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.56-1
version.libgl1-mesa-dri: libgl1-mesa-dri 10.3.0-0ubuntu3
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 10.3.0-0ubuntu3
version.xserver-xorg-core: xserver-xorg-core 2:1.16.0-1ubuntu1
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.9.0-1ubuntu2
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.4.0-2ubuntu2
version.xserver-xorg-video-intel: xserver-xorg-video-intel
2:2.99.914-1~exp1ubuntu4
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.11-1ubuntu2
xserver.bootTime: Thu Oct 30 18:07:18 2014
xserver.configfile: default
xserver.errors:
xserver.logfile: /var/log/Xorg.0.log
xserver.outputs:
product id 40992
vendor APP
xserver.version: 2:1.16.0-1ubuntu1
** Affects: linux (Ubuntu)
Importance: Undecided
Status: Invalid
** Tags: amd64 apport-bug compiz-0.9 ubuntu utopic
--
Random screen blackouts
https://bugs.launchpad.net/bugs/1388039
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