You have been subscribed to a public bug: I am seeing nouveau consistently crashing @ nouveau_object_decf on logging out. On trying to restart the display manager, it hangs
[29140.815287] nouveau E[ I2C][0000:01:00.0] AUXCH(1): begin idle timeout 0xffffffff [29140.816398] nouveau E[ I2C][0000:01:00.0] AUXCH(1): begin idle timeout 0xffffffff [29140.817495] nouveau E[ I2C][0000:01:00.0] AUXCH(3): begin idle timeout 0xffffffff [29140.819535] nouveau E[ I2C][0000:01:00.0] AUXCH(3): begin idle timeout 0xffffffff [29140.821547] nouveau E[ I2C][0000:01:00.0] AUXCH(2): begin idle timeout 0xffffffff [29140.823558] nouveau E[ I2C][0000:01:00.0] AUXCH(2): begin idle timeout 0xffffffff [29264.387025] BUG: unable to handle kernel NULL pointer dereference at (null) [29264.387062] IP: [< (null)>] (null) [29264.387081] PGD 0 [29264.387090] Oops: 0010 [#1] SMP [29264.387105] Modules linked in: snd_hda_codec_hdmi intel_powerclamp coretemp lib80211_crypt_tkip kvm_intel kvm crc32_pclmul ghash_clmulni_intel aesni_intel aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd joydev applesmc input_polldev snd_hda_codec_cirrus parport_pc ppdev uvcvideo snd_hda_intel wl(POF) microcode snd_hda_codec videobuf2_vmalloc videobuf2_memops snd_hwdep videobuf2_core snd_seq_midi bnep snd_seq_midi_event rfcomm videodev snd_rawmidi snd_pcm bluetooth bcm5974 snd_seq snd_page_alloc lib80211 lpc_ich cfg80211 mei_me mei snd_seq_device snd_timer snd apple_gmux soundcore apple_bl mac_hid binfmt_misc nls_iso8859_1 lp parport hid_apple nouveau mxm_wmi hid_generic i915 wmi sdhci_pci tg3 ttm ahci i2c_algo_bit sdhci usbhid drm_kms_helper libahci ptp hid drm pps_core video [last unloaded: btusb] [29264.387428] CPU: 3 PID: 1337 Comm: Xorg Tainted: PF W O 3.10.2-031002-generic #201307212216 [29264.387460] Hardware name: Apple Inc. MacBookPro10,1/Mac-C3EC7CD22292981F, BIOS MBP101.88Z.00EE.B03.1212211437 12/21/2012 [29264.387498] task: ffff880452ea5dc0 ti: ffff8804570c2000 task.ti: ffff8804570c2000 [29264.387524] RIP: 0010:[<0000000000000000>] [< (null)>] (null) [29264.387551] RSP: 0018:ffff8804570c3af0 EFLAGS: 00010246 [29264.387570] RAX: ffffffffa02c0020 RBX: ffff88045717eb00 RCX: 00000000e0000000 [29264.387595] RDX: 0000000000000005 RSI: 0000000000000000 RDI: ffff88045717eb00 [29264.387620] RBP: ffff8804570c3b08 R08: 0000000000000000 R09: 00000000ffffffff [29264.387645] R10: ffffffffa021cb37 R11: 0000000000000002 R12: 0000000000000001 [29264.387671] R13: 0000000000000000 R14: ffff880458354688 R15: 0000000000000000 [29264.387696] FS: 0000000000000000(0000) GS:ffff88046f2c0000(0000) knlGS:0000000000000000 [29264.387725] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [29264.387745] CR2: 0000000000000000 CR3: 0000000002c0d000 CR4: 00000000001407e0 [29264.387770] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [29264.387795] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 [29264.387819] Stack: [29264.387827] ffffffffa01fb83a 0000000000000000 ffff88045717eb00 ffff8804570c3b38 [29264.387857] ffffffffa01fb7dd ffff880458354670 ffff880458354670 0000000000000000 [29264.387885] ffff880458354660 ffff8804570c3b98 ffffffffa01fa0db ffffffffa02b3c31 [29264.387913] Call Trace: [29264.387939] [<ffffffffa01fb83a>] ? nouveau_object_decf+0x3a/0xd0 [nouveau] [29264.387972] [<ffffffffa01fb7dd>] nouveau_object_dec+0x6d/0x90 [nouveau] [29264.388005] [<ffffffffa01fa0db>] nouveau_handle_fini+0x13b/0x2b0 [nouveau] [29264.388039] [<ffffffffa01f8221>] nouveau_client_fini+0x61/0xa0 [nouveau] [29264.388081] [<ffffffffa0271adf>] nouveau_cli_destroy+0x2f/0x50 [nouveau] [29264.388119] [<ffffffffa0271b99>] nouveau_drm_postclose+0x19/0x20 [nouveau] [29264.388152] [<ffffffffa001a0b0>] drm_release+0x340/0x520 [drm] [29264.388176] [<ffffffff811a1e9a>] __fput+0xba/0x240 [29264.388195] [<ffffffff811a202e>] ____fput+0xe/0x10 [29264.388215] [<ffffffff8107cda8>] task_work_run+0xc8/0xf0 [29264.388235] [<ffffffff8105f6ae>] do_exit+0x19e/0x480 [29264.388256] [<ffffffff810b919f>] ? __unqueue_futex+0x3f/0x80 [29264.388278] [<ffffffff8106c4db>] ? __dequeue_signal+0x6b/0xb0 [29264.388299] [<ffffffff8105fa24>] do_group_exit+0x44/0xa0 [29264.388320] [<ffffffff8106f621>] get_signal_to_deliver+0x231/0x480 [29264.388345] [<ffffffff81013bc7>] do_signal+0x47/0x140 [29264.388366] [<ffffffff8109350c>] ? account_user_time+0x9c/0xb0 [29264.388387] [<ffffffff81093b34>] ? vtime_account_user+0x74/0x90 [29264.388410] [<ffffffff81013d48>] do_notify_resume+0x88/0xc0 [29264.388433] [<ffffffff8172231a>] int_signal+0x12/0x17 [29264.388451] Code: Bad RIP value. [29264.388467] RIP [< (null)>] (null) [29264.388487] RSP <ffff8804570c3af0> [29264.388499] CR2: 0000000000000000 [29264.388525] ---[ end trace 4ca6bffe89780c0c ]--- [29264.388543] Fixing recursive fault but reboot is needed! ProblemType: Bug DistroRelease: Ubuntu 13.04 Package: xorg 1:7.7+1ubuntu4 Uname: Linux 3.10.2-031002-generic x86_64 NonfreeKernelModules: wl .tmp.unity.support.test.0: ApportVersion: 2.9.2-0ubuntu8.3 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 Date: Fri Jul 26 14:16:04 2013 DistUpgraded: Fresh install DistroCodename: raring DistroVariant: ubuntu DkmsStatus: bcmwl, 6.30.223.30+bdcom, 3.10.2-031002-generic, x86_64: installed ExtraDebuggingInterest: Yes, if not too technical GpuHangFrequency: Several times a day GpuHangReproducibility: Yes, I can easily reproduce it GpuHangStarted: Immediately after installing this version of Ubuntu GraphicsCard: Intel Corporation 3rd Gen Core processor Graphics Controller [8086:0166] (rev 09) (prog-if 00 [VGA controller]) Subsystem: Apple Inc. Device [106b:00f7] NVIDIA Corporation GK107M [GeForce GT 650M Mac Edition] [10de:0fd5] (rev ff) (prog-if ff) InstallationDate: Installed on 2013-07-11 (14 days ago) InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424) MachineType: Apple Inc. MacBookPro10,1 MarkForUpload: True ProcEnviron: LANGUAGE=en_GB:en PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=en_GB.UTF-8 SHELL=/bin/bash ProcKernelCmdLine: ro root=/dev/sda4 initrd=\EFI\Ubuntu\initrd.img-3.10.2-031002-generic SourcePackage: xorg Symptom: display Title: Xorg freeze UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 12/21/2012 dmi.bios.vendor: Apple Inc. dmi.bios.version: MBP101.88Z.00EE.B03.1212211437 dmi.board.asset.tag: Base Board Asset Tag# dmi.board.name: Mac-C3EC7CD22292981F dmi.board.vendor: Apple Inc. dmi.board.version: MacBookPro10,1 dmi.chassis.type: 10 dmi.chassis.vendor: Apple Inc. dmi.chassis.version: Mac-C3EC7CD22292981F dmi.modalias: dmi:bvnAppleInc.:bvrMBP101.88Z.00EE.B03.1212211437:bd12/21/2012:svnAppleInc.:pnMacBookPro10,1:pvr1.0:rvnAppleInc.:rnMac-C3EC7CD22292981F:rvrMacBookPro10,1:cvnAppleInc.:ct10:cvrMac-C3EC7CD22292981F: dmi.product.name: MacBookPro10,1 dmi.product.version: 1.0 dmi.sys.vendor: Apple Inc. version.compiz: compiz 1:0.9.9~daily13.06.19~13.04-0ubuntu1 version.ia32-libs: ia32-libs N/A version.libdrm2: libdrm2 2.4.43-0ubuntu1.1 version.libgl1-mesa-dri: libgl1-mesa-dri 9.1.4-0ubuntu0.1 version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A version.libgl1-mesa-glx: libgl1-mesa-glx 9.1.4-0ubuntu0.1 version.xserver-xorg-core: xserver-xorg-core 2:1.13.3-0ubuntu6 version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.7.3-0ubuntu2b2 version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.1.0-0ubuntu2 version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.21.6-0ubuntu4.1 version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.7-0ubuntu1 xserver.bootTime: Fri Jul 26 13:58:40 2013 xserver.configfile: default xserver.errors: Failed to load module "nvidia" (module does not exist, 0) Failed to load module "nvidia" (module does not exist, 0) NOUVEAU(G0): [XvMC] Failed to initialize extension. xserver.logfile: /var/log/Xorg.0.log xserver.version: 2:1.13.3-0ubuntu6 xserver.video_driver: intel ** Affects: linux (Ubuntu) Importance: Medium Status: Incomplete ** Tags: amd64 apport-bug compiz-0.9 freeze latest-bios-b03 raring ubuntu -- Nouveau crashes at nouveau_object_decf on logout and system hangs on restarting lightdm https://bugs.launchpad.net/bugs/1205329 You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp