Thank you so much. I was not yet able to investigate the crash (it usually happens during a video call and then I quickly need to reboot, to continue chatting with the customer - no time to diagnose :-D )
However, today I found out something in the log that might be connected (even though in this case nothing crashed, the computer seems to be continuing just fine): [ 2090.256068] ------------[ cut here ]------------ [ 2090.256153] WARNING: CPU: 5 PID: 6749 at drivers/gpu/drm/nouveau/nvif/vmm.c:68 nvif_vmm_put+0x6d/0x80 [nouveau] [ 2090.256154] Modules linked in: ccm rfcomm aufs cmac algif_hash overlay algif_skcipher af_alg bnep binfmt_misc dm_multipath scsi_dh_rdac scsi_dh_emc scsi_dh_alua snd_hda_codec_hdmi intel_rapl_msr mei_hdcp intel_rapl_common iwlmvm x86_pkg_temp_thermal intel_powerclamp coretemp mac80211 kvm_intel snd_hda_codec_realtek libarc4 snd_hda_codec_generic kvm rmi_smbus snd_usb_audio rmi_core uvcvideo snd_usbmidi_lib intel_cstate intel_rapl_perf videobuf2_vmalloc snd_hda_intel serio_raw btusb iwlwifi videobuf2_memops snd_intel_dspcfg videobuf2_v4l2 btrtl snd_seq_midi snd_hda_codec videobuf2_common snd_seq_midi_event snd_rawmidi btbcm snd_hda_core btintel intel_wmi_thunderbolt videodev input_leds joydev snd_hwdep wmi_bmof snd_seq thinkpad_acpi bluetooth rtsx_pci_ms mc snd_pcm memstick cfg80211 nvram ledtrig_audio mei_me ecdh_generic snd_seq_device ecc intel_pch_thermal mei snd_timer snd soundcore mac_hid sch_fq_codel cuse parport_pc ppdev lp parport ip_tables x_tables autofs4 btrfs zstd_compress [ 2090.256181] hid_generic usbhid hid dm_crypt raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear crct10dif_pclmul crc32_pclmul ghash_clmulni_intel rtsx_pci_sdmmc nouveau aesni_intel crypto_simd mxm_wmi i2c_algo_bit ttm drm_kms_helper syscopyarea sysfillrect cryptd sysimgblt glue_helper fb_sys_fops psmouse drm e1000e i2c_i801 rtsx_pci ahci libahci wmi video [ 2090.256215] CPU: 5 PID: 6749 Comm: chrome Not tainted 5.4.0-31-generic #35-Ubuntu [ 2090.256215] Hardware name: LENOVO 20EN0005MS/20EN0005MS, BIOS N1EET87W (1.60 ) 12/06/2019 [ 2090.256263] RIP: 0010:nvif_vmm_put+0x6d/0x80 [nouveau] [ 2090.256283] Code: 00 00 48 8d 55 e0 be 02 00 00 00 48 c7 45 e0 00 00 00 00 48 89 45 e8 e8 71 e5 ff ff 85 c0 75 0a 48 c7 43 08 00 00 00 00 eb b7 <0f> 0b eb f2 e8 ea 26 7f ed 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 [ 2090.256284] RSP: 0018:ffffa8d503f27bc8 EFLAGS: 00010282 [ 2090.256286] RAX: 00000000fffffffe RBX: ffffa8d503f27bf8 RCX: 0000000000000000 [ 2090.256287] RDX: 0000000000000010 RSI: ffffa8d503f27b38 RDI: ffffa8d503f27bd8 [ 2090.256287] RBP: ffffa8d503f27be8 R08: 0000000000000000 R09: 0000000000000000 [ 2090.256288] R10: 0000000000000030 R11: ffff927e7fc8f640 R12: ffffa8d503f27c30 [ 2090.256289] R13: ffff927f64fee0b0 R14: 0000000000000000 R15: ffff927e7fc8f638 [ 2090.256290] FS: 00007f0fb553bb00(0000) GS:ffff927f6c340000(0000) knlGS:0000000000000000 [ 2090.256291] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2090.256291] CR2: 000055bdb8317000 CR3: 000000088824a003 CR4: 00000000003606e0 [ 2090.256292] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2090.256306] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2090.256306] Call Trace: [ 2090.256362] nouveau_vma_del+0x75/0xc0 [nouveau] [ 2090.256402] nouveau_gem_object_close+0x1f5/0x210 [nouveau] [ 2090.256416] drm_gem_object_release_handle+0x35/0xa0 [drm] [ 2090.256427] drm_gem_handle_delete+0x59/0xa0 [drm] [ 2090.256449] ? drm_gem_handle_create+0x40/0x40 [drm] [ 2090.256478] drm_gem_close_ioctl+0x24/0x30 [drm] [ 2090.256488] drm_ioctl_kernel+0xae/0xf0 [drm] [ 2090.256511] drm_ioctl+0x234/0x3d0 [drm] [ 2090.256522] ? drm_gem_handle_create+0x40/0x40 [drm] [ 2090.256526] ? evict+0x14c/0x1b0 [ 2090.256565] nouveau_drm_ioctl+0x78/0xc0 [nouveau] [ 2090.256567] do_vfs_ioctl+0x407/0x670 [ 2090.256570] ? __secure_computing+0x42/0xe0 [ 2090.256571] ksys_ioctl+0x67/0x90 [ 2090.256573] __x64_sys_ioctl+0x1a/0x20 [ 2090.256575] do_syscall_64+0x57/0x190 [ 2090.256578] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 2090.256579] RIP: 0033:0x7f0fae1375d7 [ 2090.256581] Code: b3 66 90 48 8b 05 b1 48 2d 00 64 c7 00 26 00 00 00 48 c7 c0 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 81 48 2d 00 f7 d8 64 89 01 48 [ 2090.256595] RSP: 002b:00007ffcbdcc1068 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2090.256596] RAX: ffffffffffffffda RBX: 000055bdb82e3870 RCX: 00007f0fae1375d7 [ 2090.256597] RDX: 00007ffcbdcc10a0 RSI: 0000000040086409 RDI: 0000000000000015 [ 2090.256597] RBP: 00007ffcbdcc10a0 R08: 0000000000000000 R09: 0000000000000002 [ 2090.256598] R10: 00007f0fa1124070 R11: 0000000000000246 R12: 0000000040086409 [ 2090.256599] R13: 0000000000000015 R14: 0000000000000001 R15: 00000000b82c7b00 [ 2090.256600] ---[ end trace 9a9c0a943b125b8f ]--- [ 2090.257452] ------------[ cut here ]------------ [ 2090.257513] WARNING: CPU: 1 PID: 6781 at drivers/gpu/drm/nouveau/nvif/vmm.c:68 nvif_vmm_put+0x6d/0x80 [nouveau] [ 2090.257513] Modules linked in: ccm rfcomm aufs cmac algif_hash overlay algif_skcipher af_alg bnep binfmt_misc dm_multipath scsi_dh_rdac scsi_dh_emc scsi_dh_alua snd_hda_codec_hdmi intel_rapl_msr mei_hdcp intel_rapl_common iwlmvm x86_pkg_temp_thermal intel_powerclamp coretemp mac80211 kvm_intel snd_hda_codec_realtek libarc4 snd_hda_codec_generic kvm rmi_smbus snd_usb_audio rmi_core uvcvideo snd_usbmidi_lib intel_cstate intel_rapl_perf videobuf2_vmalloc snd_hda_intel serio_raw btusb iwlwifi videobuf2_memops snd_intel_dspcfg videobuf2_v4l2 btrtl snd_seq_midi snd_hda_codec videobuf2_common snd_seq_midi_event snd_rawmidi btbcm snd_hda_core btintel intel_wmi_thunderbolt videodev input_leds joydev snd_hwdep wmi_bmof snd_seq thinkpad_acpi bluetooth rtsx_pci_ms mc snd_pcm memstick cfg80211 nvram ledtrig_audio mei_me ecdh_generic snd_seq_device ecc intel_pch_thermal mei snd_timer snd soundcore mac_hid sch_fq_codel cuse parport_pc ppdev lp parport ip_tables x_tables autofs4 btrfs zstd_compress [ 2090.257550] hid_generic usbhid hid dm_crypt raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear crct10dif_pclmul crc32_pclmul ghash_clmulni_intel rtsx_pci_sdmmc nouveau aesni_intel crypto_simd mxm_wmi i2c_algo_bit ttm drm_kms_helper syscopyarea sysfillrect cryptd sysimgblt glue_helper fb_sys_fops psmouse drm e1000e i2c_i801 rtsx_pci ahci libahci wmi video [ 2090.257564] CPU: 1 PID: 6781 Comm: ThreadPoolForeg Tainted: G W 5.4.0-31-generic #35-Ubuntu [ 2090.257565] Hardware name: LENOVO 20EN0005MS/20EN0005MS, BIOS N1EET87W (1.60 ) 12/06/2019 [ 2090.257623] RIP: 0010:nvif_vmm_put+0x6d/0x80 [nouveau] [ 2090.257625] Code: 00 00 48 8d 55 e0 be 02 00 00 00 48 c7 45 e0 00 00 00 00 48 89 45 e8 e8 71 e5 ff ff 85 c0 75 0a 48 c7 43 08 00 00 00 00 eb b7 <0f> 0b eb f2 e8 ea 26 7f ed 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 [ 2090.257626] RSP: 0018:ffffa8d50509fbc8 EFLAGS: 00010282 [ 2090.257627] RAX: 00000000fffffffe RBX: ffffa8d50509fbf8 RCX: 0000000000000000 [ 2090.257628] RDX: 0000000000000010 RSI: ffffa8d50509fb38 RDI: ffffa8d50509fbd8 [ 2090.257629] RBP: ffffa8d50509fbe8 R08: 0000000000000000 R09: 0000000000000000 [ 2090.257630] R10: 0000000000000030 R11: ffff927e7fc8f640 R12: ffffa8d50509fc30 [ 2090.257631] R13: ffff927f64fee0b0 R14: 0000000000000000 R15: ffff927e7fc8f638 [ 2090.257632] FS: 00007f0f966a3700(0000) GS:ffff927f6c240000(0000) knlGS:0000000000000000 [ 2090.257633] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2090.257634] CR2: 00007f0f88019068 CR3: 000000088824a002 CR4: 00000000003606e0 [ 2090.257635] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2090.257636] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2090.257636] Call Trace: [ 2090.257680] nouveau_vma_del+0x75/0xc0 [nouveau] [ 2090.257721] nouveau_gem_object_close+0x1f5/0x210 [nouveau] [ 2090.257731] drm_gem_object_release_handle+0x35/0xa0 [drm] [ 2090.257738] drm_gem_handle_delete+0x59/0xa0 [drm] [ 2090.257745] ? drm_gem_handle_create+0x40/0x40 [drm] [ 2090.257752] drm_gem_close_ioctl+0x24/0x30 [drm] [ 2090.257759] drm_ioctl_kernel+0xae/0xf0 [drm] [ 2090.257765] drm_ioctl+0x234/0x3d0 [drm] [ 2090.257772] ? drm_gem_handle_create+0x40/0x40 [drm] [ 2090.257774] ? sock_sendmsg+0x65/0x70 [ 2090.257775] ? sock_write_iter+0x93/0xf0 [ 2090.257808] nouveau_drm_ioctl+0x78/0xc0 [nouveau] [ 2090.257809] do_vfs_ioctl+0x407/0x670 [ 2090.257813] ? __secure_computing+0x42/0xe0 [ 2090.257814] ksys_ioctl+0x67/0x90 [ 2090.257816] __x64_sys_ioctl+0x1a/0x20 [ 2090.257819] do_syscall_64+0x57/0x190 [ 2090.257821] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 2090.257822] RIP: 0033:0x7f0fae1375d7 [ 2090.257823] Code: b3 66 90 48 8b 05 b1 48 2d 00 64 c7 00 26 00 00 00 48 c7 c0 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 81 48 2d 00 f7 d8 64 89 01 48 [ 2090.257824] RSP: 002b:00007f0f966a21d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2090.257826] RAX: ffffffffffffffda RBX: 00007f0f880187e0 RCX: 00007f0fae1375d7 [ 2090.257827] RDX: 00007f0f966a2210 RSI: 0000000040086409 RDI: 0000000000000015 [ 2090.257827] RBP: 00007f0f966a2210 R08: 00007f0fae40e8b0 R09: 00007f0f966a3700 [ 2090.257828] R10: 00007f0f880008d0 R11: 0000000000000246 R12: 0000000040086409 [ 2090.257829] R13: 0000000000000015 R14: 00007f0fb00fcdb0 R15: 0000000000000000 [ 2090.257832] ---[ end trace 9a9c0a943b125b90 ]--- -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-shell in Ubuntu. https://bugs.launchpad.net/bugs/1878166 Title: gnome-shell freezes randomly on nouveau and wayland To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1878166/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
