Attached is the full log for an attempted ( failed ) boot from kern.log:
** Attachment added: "bootlog.txt" https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-nouveau/+bug/1354610/+attachment/4174095/+files/bootlog.txt -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to xserver-xorg-video-nouveau in Ubuntu. https://bugs.launchpad.net/bugs/1354610 Title: System Crashes During Boot Status in “xserver-xorg-video-nouveau” package in Ubuntu: New Bug description: Dell XPS 2720 with onboard integrated Intel graphics and stock nVidia GT740M - system is 100% configured as shipped new by Dell except for the addition of a Samsung SSD drive. CPU / Video via lspci: 00:02.0 VGA compatible controller: Intel Corporation Xeon E3-1200 v3/4th Gen Core Processor Integrated Graphics Controller (rev 06) 01:00.0 VGA compatible controller: NVIDIA Corporation GK107M [GeForce GT 750M] (rev a1) lsb_release: Description: Ubuntu 14.04.1 LTS Release: 14.04 apt-cache policy: xserver-xorg-video-nouveau: Installed: 1:1.0.10-1ubuntu2 Candidate: 1:1.0.10-1ubuntu2 Version table: *** 1:1.0.10-1ubuntu2 0 500 http://us.archive.ubuntu.com/ubuntu/ trusty/main i386 Packages 100 /var/lib/dpkg/status PROBLEM DESC: Default nouveau driver is installed along with Linux Graphics latest drivers for Intel. The system intermittently crashes more often than not during boot sequence. Continual rebooting eventually results in the system finishing the boot sequence so that the system becomes usable. Trace from the kern.log: Aug 8 17:02:39 universe kernel: [ 4.928096] ------------[ cut here ]------------ Aug 8 17:02:39 universe kernel: [ 4.928121] WARNING: CPU: 2 PID: 59 at /build/buildd/linux-3.13.0/drivers/gpu/drm/i915/intel_pm.c:5857 i915_request_power_well+0x6d/0x70 [i915]() Aug 8 17:02:39 universe kernel: [ 4.928122] Modules linked in: snd_hda_intel(+) xts snd_hda_codec lrw gf128mul ath9k(+) snd_hwdep ablk_helper bnep snd_pcm ath9k_common ath9k_hw snd_page_alloc cryptd uvcvideo(+) videobuf2_vmalloc videobuf2_memops serio_raw videobuf2_core ath videodev joydev snd_seq_midi mac80211 snd_seq_midi_event snd_rawmidi ath3k btusb hid_multitouch snd_seq bluetooth rtsx_pci_ms lpc_ich memstick cfg80211 snd_seq_device snd_timer mei_me snd mei soundcore parport_pc ppdev lp parport mac_hid hid_logitech_dj usbhid hid nouveau i915 mxm_wmi rtsx_pci_sdmmc ttm i2c_algo_bit drm_kms_helper ahci drm psmouse libahci rtsx_pci r8169 mii floppy video wmi Aug 8 17:02:39 universe kernel: [ 4.928154] CPU: 2 PID: 59 Comm: kworker/2:1 Not tainted 3.13.0-32-generic #57-Ubuntu Aug 8 17:02:39 universe kernel: [ 4.928156] Hardware name: Dell Inc. XPS 2720/05R2TK , BIOS A07 12/11/2013 Aug 8 17:02:39 universe kernel: [ 4.928160] Workqueue: events azx_probe_work [snd_hda_intel] Aug 8 17:02:39 universe kernel: [ 4.928161] 00000000 00000000 f6dede30 c1650cd3 00000000 f6dede60 c10567ee c182d154 Aug 8 17:02:39 universe kernel: [ 4.928166] 00000002 0000003b f8b6eba8 000016e1 f8b41dfd f8b41dfd 00000000 00000080 Aug 8 17:02:39 universe kernel: [ 4.928171] 00000000 f6dede70 c10568b2 00000009 00000000 f6dede80 f8b41dfd e7152000 Aug 8 17:02:39 universe kernel: [ 4.928176] Call Trace: Aug 8 17:02:39 universe kernel: [ 4.928182] [<c1650cd3>] dump_stack+0x41/0x52 Aug 8 17:02:39 universe kernel: [ 4.928187] [<c10567ee>] warn_slowpath_common+0x7e/0xa0 Aug 8 17:02:39 universe kernel: [ 4.928204] [<f8b41dfd>] ? i915_request_power_well+0x6d/0x70 [i915] Aug 8 17:02:39 universe kernel: [ 4.928219] [<f8b41dfd>] ? i915_request_power_well+0x6d/0x70 [i915] Aug 8 17:02:39 universe kernel: [ 4.928222] [<c10568b2>] warn_slowpath_null+0x22/0x30 Aug 8 17:02:39 universe kernel: [ 4.928236] [<f8b41dfd>] i915_request_power_well+0x6d/0x70 [i915] Aug 8 17:02:39 universe kernel: [ 4.928241] [<f8ada642>] hda_display_power+0x32/0x40 [snd_hda_intel] Aug 8 17:02:39 universe kernel: [ 4.928244] [<f8ad8d9b>] azx_probe_continue+0x3b/0xc80 [snd_hda_intel] Aug 8 17:02:39 universe kernel: [ 4.928248] [<c100ecb0>] ? __switch_to+0xb0/0x340 Aug 8 17:02:39 universe kernel: [ 4.928251] [<c1654458>] ? __schedule+0x358/0x770 Aug 8 17:02:39 universe kernel: [ 4.928255] [<c1163add>] ? kfree+0xcd/0x110 Aug 8 17:02:39 universe kernel: [ 4.928258] [<c13c5413>] ? free_tty_struct+0x33/0x40 Aug 8 17:02:39 universe kernel: [ 4.928262] [<f8ada3e2>] azx_probe_work+0x12/0x20 [snd_hda_intel] Aug 8 17:02:39 universe kernel: [ 4.928265] [<c106eb2b>] process_one_work+0x11b/0x3b0 Aug 8 17:02:39 universe kernel: [ 4.928268] [<c1082b80>] ? default_wake_function+0x10/0x20 Aug 8 17:02:39 universe kernel: [ 4.928271] [<c106f7a9>] worker_thread+0xf9/0x380 Aug 8 17:02:39 universe kernel: [ 4.928273] [<c106f6b0>] ? rescuer_thread+0x380/0x380 Aug 8 17:02:39 universe kernel: [ 4.928276] [<c1074fa1>] kthread+0xa1/0xc0 Aug 8 17:02:39 universe kernel: [ 4.928279] [<c165ef37>] ret_from_kernel_thread+0x1b/0x28 Aug 8 17:02:39 universe kernel: [ 4.928282] [<c1074f00>] ? kthread_create_on_node+0x150/0x150 Aug 8 17:02:39 universe kernel: [ 4.928289] ---[ end trace d8b654be1ee0f00d ]--- ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: xserver-xorg-video-nouveau 1:1.0.10-1ubuntu2 ProcVersionSignature: Ubuntu 3.13.0-32.57-generic 3.13.11.4 Uname: Linux 3.13.0-32-generic i686 ApportVersion: 2.14.1-0ubuntu3.2 Architecture: i386 CurrentDesktop: KDE Date: Fri Aug 8 17:18:26 2014 InstallationDate: Installed on 2014-08-08 (0 days ago) InstallationMedia: Kubuntu 14.04.1 LTS "Trusty Tahr" - Release i386 (20140722.2) SourcePackage: xserver-xorg-video-nouveau UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-nouveau/+bug/1354610/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp
