Public bug reported:
I had a crash of the display driver while the system (Gnome) was locked.
```
Feb 20 12:35:01 kernel: nouveau 0000:01:00.0: gr: TRAP ch 3 [00ff9a0000
gnome-shell[4107]]
Feb 20 12:35:01 kernel: nouveau 0000:01:00.0: gr: GPC0/TPC0/MP trap: global
00000004 [MULTIPLE_WARP_ERRORS] warp 3e000d [OOR_REG]
Feb 20 12:35:22 kernel: ------------[ cut here ]------------
Feb 20 12:35:22 kernel: WARNING: drivers/gpu/drm/nouveau/nouveau_bo.c:1091 at
nouveau_bo_move_ntfy.part.0+0xf7/0x160 [nouveau], CPU#3: kworker/u32:4/127097
Feb 20 12:35:22 kernel: Modules linked in: nf_conntrack_netlink veth
snd_seq_dummy snd_hrtimer snd_seq xt_conntrack xt_MASQUERADE bridge stp llc
xfrm_user xfrm_algo xt_set ip_set nft_chain_nat nf_nat nf_conntrack
nf_defrag_ipv6 nf_defrag_ipv4 xt_addrtype nft_compat x_tables nf_tables vxlan
ip6_udp_tunnel udp_tunnel overlay bnep nova_core rmi_smbus rmi_core
intel_rapl_msr binfmt_misc intel_rapl_common intel_pmc_core_pltdrv
intel_pmc_core pmt_telemetry pmt_discovery pmt_class intel_pmc_ssram_telemetry
intel_vsec intel_tcc_cooling x86_pkg_temp_thermal intel_powerclamp coretemp
nls_iso8859_1 kvm_intel ee1004 mei_pxp mei_hdcp nouveau uvcvideo snd_ctl_led
snd_soc_avs btusb kvm videobuf2_vmalloc uvc btmtk cdc_mbim snd_soc_hda_codec
snd_hda_codec_alc269 videobuf2_memops cdc_wdm snd_hda_ext_core
snd_hda_codec_nvhdmi snd_hda_scodec_component gpu_sched irqbypass cdc_ncm
snd_hda_codec_realtek_lib snd_hda_codec_hdmi btrtl drm_gpuvm videobuf2_v4l2
snd_hda_codec_generic rapl btbcm mxm_wmi qcserial videobuf2_common snd_soc_core
drm_ttm_helper
Feb 20 12:35:22 kernel: cdc_ether usb_wwan think_lmi iwlwifi btintel
snd_hda_intel snd_usb_audio ttm videodev i2c_i801 usbnet intel_cstate
snd_compress intel_wmi_thunderbolt usbserial wmi_bmof firmware_attributes_class
snd_hda_codec bluetooth drm_exec snd_usbmidi_lib cfg80211 ac97_bus snd_hda_core
i2c_smbus snd_pcm_dmaengine mii snd_intel_dspcfg i2c_mux snd_ump
drm_display_helper snd_intel_sdw_acpi snd_rawmidi snd_seq_device snd_hwdep
snd_pcm cec rc_core mc i2c_algo_bit snd_timer mei_me mei intel_pch_thermal
input_leds joydev mac_hid nfsd auth_rpcgss nfs_acl lockd grace sch_fq_codel
sunrpc ppdev lp parport_pc parport msr nvme_fabrics efi_pstore nfnetlink
dmi_sysfs autofs4 btrfs blake2b libblake2b xor raid6_pq dm_crypt
hid_plantronics hid_generic usbhid hid rtsx_pci_sdmmc nvme thinkpad_acpi
nvme_core psmouse nvram nvme_keyring snd nvme_auth ghash_clmulni_intel
serio_raw rtsx_pci soundcore hkdf platform_profile sparse_keymap video e1000e
ahci wmi libahci aesni_intel
Feb 20 12:35:22 kernel: CPU: 3 UID: 0 PID: 127097 Comm: kworker/u32:4 Not
tainted 6.19.0-3-generic #3-Ubuntu PREEMPT(voluntary)
Feb 20 12:35:22 kernel: Hardware name: LENOVO 20EQS6LJ00/20EQS6LJ00, BIOS
N1EETA2W (1.75 ) 03/18/2024
Feb 20 12:35:22 kernel: Workqueue: pm pm_runtime_work
Feb 20 12:35:22 kernel: RIP: 0010:nouveau_bo_move_ntfy.part.0+0xf7/0x160
[nouveau]
Feb 20 12:35:22 kernel: Code: 85 f6 74 0f 49 8b 06 48 c1 e0 0c 49 89 84 24 a8
02 00 00 5b 41 5c 41 5d 41 5e 5d 31 c0 31 d2 31 c9 31 f6 31 ff c3 cc cc cc cc
<0f> 0b eb b4 41 0f b6 94 24 c0 02 00 00 d0 ea 83 e2 1f 41 38 96 a1
Feb 20 12:35:22 kernel: RSP: 0018:ffffd394e710f9c8 EFLAGS: 00010246
Feb 20 12:35:22 kernel: RAX: 0000000000000000 RBX: ffff8d0276c80280 RCX:
0000000000000000
Feb 20 12:35:22 kernel: RDX: 0000000000000000 RSI: 0000000000000000 RDI:
0000000000000000
Feb 20 12:35:22 kernel: RBP: ffffd394e710f9e8 R08: 0000000000000000 R09:
0000000000000000
Feb 20 12:35:22 kernel: R10: 0000000000000000 R11: 0000000000000000 R12:
ffff8d0243a24000
Feb 20 12:35:22 kernel: R13: ffff8d0243a242b0 R14: ffff8d03c40de200 R15:
ffff8d01cc5d2558
Feb 20 12:35:22 kernel: FS: 0000000000000000(0000) GS:ffff8d0997bc3000(0000)
knlGS:0000000000000000
Feb 20 12:35:22 kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Feb 20 12:35:22 kernel: CR2: 000000ef14128004 CR3: 0000000573642003 CR4:
00000000003726f0
Feb 20 12:35:22 kernel: Call Trace:
Feb 20 12:35:22 kernel: <TASK>
Feb 20 12:35:22 kernel: nouveau_bo_move+0x27c/0x7f0 [nouveau]
Feb 20 12:35:22 kernel: ? ttm_pool_alloc+0x75/0xb0 [ttm]
Feb 20 12:35:22 kernel: ttm_bo_handle_move_mem+0xe7/0x1e0 [ttm]
Feb 20 12:35:22 kernel: ttm_bo_evict+0x11c/0x180 [ttm]
Feb 20 12:35:22 kernel: ? ww_mutex_lock+0x2e/0x100
Feb 20 12:35:22 kernel: ? enable_work+0x37/0x110
Feb 20 12:35:22 kernel: ttm_bo_evict_first+0x206/0x240 [ttm]
Feb 20 12:35:22 kernel: ? __pfx_pci_pm_runtime_suspend+0x10/0x10
Feb 20 12:35:22 kernel: ttm_resource_manager_evict_all+0x4b/0xa0 [ttm]
Feb 20 12:35:22 kernel: nouveau_do_suspend+0x74/0x190 [nouveau]
Feb 20 12:35:22 kernel: nouveau_pmops_runtime_suspend+0x43/0xd0 [nouveau]
Feb 20 12:35:22 kernel: pci_pm_runtime_suspend+0x6a/0x1a0
Feb 20 12:35:22 kernel: __rpm_callback+0x4b/0x1f0
Feb 20 12:35:22 kernel: ? psi_group_change+0x195/0x470
Feb 20 12:35:22 kernel: ? ktime_get_mono_fast_ns+0x36/0xe0
Feb 20 12:35:22 kernel: ? __pfx_pci_pm_runtime_suspend+0x10/0x10
Feb 20 12:35:22 kernel: rpm_callback+0x77/0x80
Feb 20 12:35:22 kernel: rpm_suspend+0xe1/0x5f0
Feb 20 12:35:22 kernel: ? psi_task_switch+0x12a/0x390
Feb 20 12:35:22 kernel: ? raw_spin_rq_unlock+0x10/0x40
Feb 20 12:35:22 kernel: ? finish_task_switch.isra.0+0x95/0x2d0
Feb 20 12:35:22 kernel: pm_runtime_work+0x99/0xa0
Feb 20 12:35:22 kernel: process_one_work+0x18e/0x370
Feb 20 12:35:22 kernel: worker_thread+0x317/0x450
Feb 20 12:35:22 kernel: ? __pfx_worker_thread+0x10/0x10
Feb 20 12:35:22 kernel: kthread+0x10b/0x220
Feb 20 12:35:22 kernel: ? __pfx_kthread+0x10/0x10
Feb 20 12:35:22 kernel: ret_from_fork+0x159/0x1d0
Feb 20 12:35:22 kernel: ? __pfx_kthread+0x10/0x10
Feb 20 12:35:22 kernel: ? __pfx_kthread+0x10/0x10
Feb 20 12:35:22 kernel: ret_from_fork_asm+0x1a/0x30
Feb 20 12:35:22 kernel: </TASK>
Feb 20 12:35:22 kernel: ---[ end trace 0000000000000000 ]---
Feb 20 12:35:38 kernel: [TTM] Buffer eviction failed
Feb 20 12:35:42 kernel: nouveau 0000:01:00.0: fifo: SCHED_ERROR 0a
[CTXSW_TIMEOUT]
Feb 20 12:35:42 kernel: nouveau 0000:01:00.0:
fifo:000000:0003:[gnome-shell[4107]] rc scheduled
Feb 20 12:35:42 kernel: nouveau 0000:01:00.0: fifo:000000: rc scheduled
Feb 20 12:35:42 kernel: nouveau 0000:01:00.0:
fifo:000000:0003:0003:[gnome-shell[4107]] errored - disabling channel
Feb 20 12:35:42 kernel: nouveau 0000:01:00.0: systemd-logind[1356]: channel 3
killed!
Feb 20 12:36:01 gnome-shell[4107]: nouveau: kernel rejected pushbuf: No such
device
Feb 20 12:36:01 gnome-shell[4107]: nouveau: ch3: krec 0 pushes 1 bufs 8 relocs 0
Feb 20 12:36:01 gnome-shell[4107]: nouveau: ch3: buf 00000000 00000013 00000004
00000004 00000000 0x7f8e648bc000 0x18c0000 0x80000
Feb 20 12:36:01 gnome-shell[4107]: nouveau: ch3: buf 00000001 00000105 00000002
00000002 00000002 (nil) 0x6f80000 0x20000
Feb 20 12:36:01 gnome-shell[4107]: nouveau: ch3: buf 00000002 00000073 00000002
00000002 00000000 (nil) 0x64e0000 0x20000
Feb 20 12:36:01 gnome-shell[4107]: nouveau: ch3: buf 00000003 00000008 00000002
00000002 00000000 (nil) 0x420000 0xe0000
Feb 20 12:36:01 gnome-shell[4107]: nouveau: ch3: buf 00000004 0000000a 00000002
00000002 00000000 (nil) 0x1520000 0x20000
Feb 20 12:36:01 gnome-shell[4107]: nouveau: ch3: buf 00000005 00000006 00000004
00000000 00000004 0x7f8e6a6f1000 0x21d000 0x1000
Feb 20 12:36:01 gnome-shell[4107]: nouveau: ch3: buf 00000006 00000124 00000002
00000000 00000002 (nil) 0x7060000 0x20000
Feb 20 12:36:01 gnome-shell[4107]: nouveau: ch3: buf 00000007 0000017b 00000004
00000004 00000004 (nil) 0x6fbe000 0x1000
Feb 20 12:36:01 gnome-shell[4107]: nouveau: ch3: psh 00000000 0000027644
0000027714
Feb 20 12:36:01 gnome-shell[4107]: [0x00000000] HDR 200203fd subch 0 NINC
Feb 20 12:36:01 gnome-shell[4107]: mthd 0ff4
NV9097_SET_SURFACE_CLIP_HORIZONTAL
Feb 20 12:36:01 gnome-shell[4107]: .X = (0x0)
Feb 20 12:36:01 gnome-shell[4107]: .WIDTH = (0xf3)
Feb 20 12:36:01 gnome-shell[4107]: mthd 0ff8
NV9097_SET_SURFACE_CLIP_VERTICAL
Feb 20 12:36:01 gnome-shell[4107]: .Y = (0x0)
Feb 20 12:36:01 gnome-shell[4107]: .HEIGHT = (0x77)
Feb 20 12:36:01 gnome-shell[4107]: [0x00000003] HDR 20090200 subch 0 NINC
Feb 20 12:36:01 gnome-shell[4107]: mthd 0800
NV9097_SET_COLOR_TARGET_A(0)
Feb 20 12:36:01 gnome-shell[4107]: .OFFSET_UPPER = (0x0)
Feb 20 12:36:01 gnome-shell[4107]: mthd 0804
NV9097_SET_COLOR_TARGET_B(0)
Feb 20 12:36:01 gnome-shell[4107]: .OFFSET_LOWER = (0x6f80000)
Feb 20 12:36:01 gnome-shell[4107]: mthd 0808
NV9097_SET_COLOR_TARGET_WIDTH(0)
Feb 20 12:36:01 gnome-shell[4107]: .V = (0xf3)
Feb 20 12:36:01 gnome-shell[4107]: mthd 080c
NV9097_SET_COLOR_TARGET_HEIGHT(0)
Feb 20 12:36:01 gnome-shell[4107]: .V = (0x77)
Feb 20 12:36:01 gnome-shell[4107]: mthd 0810
NV9297_SET_COLOR_TARGET_FORMAT(0)
Feb 20 12:36:01 gnome-shell[4107]: .V = A8B8G8R8
Feb 20 12:36:01 gnome-shell[4107]: mthd 0814
NV9097_SET_COLOR_TARGET_MEMORY(0)
Feb 20 12:36:01 gnome-shell[4107]: .BLOCK_WIDTH = ONE_GOB
Feb 20 12:36:01 gnome-shell[4107]: .BLOCK_HEIGHT = SIXTEEN_GOBS
Feb 20 12:36:01 gnome-shell[4107]: .BLOCK_DEPTH = ONE_GOB
Feb 20 12:36:01 gnome-shell[4107]: .LAYOUT = BLOCKLINEAR
Feb 20 12:36:01 gnome-shell[4107]: .THIRD_DIMENSION_CONTROL =
THIRD_DIMENSION_DEFINES_ARRAY_SIZE
Feb 20 12:36:01 gnome-shell[4107]: mthd 0818
NV9097_SET_COLOR_TARGET_THIRD_DIMENSION(0)
Feb 20 12:36:01 gnome-shell[4107]: .V = (0x1)
Feb 20 12:36:01 gnome-shell[4107]: mthd 081c
NV9097_SET_COLOR_TARGET_ARRAY_PITCH(0)
Feb 20 12:36:01 gnome-shell[4107]: .V = (0x0)
Feb 20 12:36:01 gnome-shell[4107]: mthd 0820
NV9097_SET_COLOR_TARGET_LAYER(0)
Feb 20 12:36:01 gnome-shell[4107]: .OFFSET = (0x0)
Feb 20 12:36:01 gnome-shell[4107]: [0x0000000d] HDR 200503f8 subch 0 NINC
Feb 20 12:36:01 gnome-shell[4107]: mthd 0fe0 NV9097_SET_ZT_A
Feb 20 12:36:01 gnome-shell[4107]: .OFFSET_UPPER = (0x0)
Feb 20 12:36:01 gnome-shell[4107]: mthd 0fe4 NV9097_SET_ZT_B
Feb 20 12:36:01 gnome-shell[4107]: .OFFSET_LOWER = (0x7060000)
Feb 20 12:36:01 gnome-shell[4107]: mthd 0fe8 NV9097_SET_ZT_FORMAT
Feb 20 12:36:01 gnome-shell[4107]: .V = S8Z24
Feb 20 12:36:01 gnome-shell[4107]: mthd 0fec NV9097_SET_ZT_BLOCK_SIZE
Feb 20 12:36:01 gnome-shell[4107]: .WIDTH = ONE_GOB
Feb 20 12:36:01 gnome-shell[4107]: .HEIGHT = SIXTEEN_GOBS
Feb 20 12:36:01 gnome-shell[4107]: .DEPTH = ONE_GOB
Feb 20 12:36:01 gnome-shell[4107]: mthd 0ff0 NV9097_SET_ZT_ARRAY_PITCH
Feb 20 12:36:01 gnome-shell[4107]: .V = (0x0)
Feb 20 12:36:01 gnome-shell[4107]: [0x00000013] HDR 2001054e subch 0 NINC
Feb 20 12:36:01 gnome-shell[4107]: mthd 1538 NV9097_SET_ZT_SELECT
Feb 20 12:36:01 gnome-shell[4107]: .TARGET_COUNT = (0x1)
Feb 20 12:36:01 gnome-shell[4107]: [0x00000015] HDR 2003048a subch 0 NINC
Feb 20 12:36:01 gnome-shell[4107]: mthd 1228 NV9097_SET_ZT_SIZE_A
Feb 20 12:36:01 gnome-shell[4107]: .WIDTH = (0xf3)
Feb 20 12:36:01 gnome-shell[4107]: mthd 122c NV9097_SET_ZT_SIZE_B
Feb 20 12:36:01 gnome-shell[4107]: .HEIGHT = (0x77)
Feb 20 12:36:01 gnome-shell[4107]: mthd 1230 NV9097_SET_ZT_SIZE_C
Feb 20 12:36:01 gnome-shell[4107]: .THIRD_DIMENSION = (0x1)
Feb 20 12:36:01 gnome-shell[4107]: .CONTROL = ARRAY_SIZE_IS_ONE
Feb 20 12:36:01 gnome-shell[4107]: [0x00000019] HDR 200105e7 subch 0 NINC
Feb 20 12:36:01 gnome-shell[4107]: mthd 179c NV9097_SET_ZT_LAYER
Feb 20 12:36:01 gnome-shell[4107]: .OFFSET = (0x0)
Feb 20 12:36:01 gnome-shell[4107]: [0x0000001b] HDR 20010487 subch 0 NINC
Feb 20 12:36:01 gnome-shell[4107]: mthd 121c NV9097_SET_CT_SELECT
Feb 20 12:36:01 gnome-shell[4107]: .TARGET_COUNT = (0x1)
Feb 20 12:36:01 gnome-shell[4107]: .TARGET0 = (0x0)
Feb 20 12:36:01 gnome-shell[4107]: .TARGET1 = (0x1)
Feb 20 12:36:01 gnome-shell[4107]: .TARGET2 = (0x2)
Feb 20 12:36:01 gnome-shell[4107]: .TARGET3 = (0x3)
Feb 20 12:36:01 gnome-shell[4107]: .TARGET4 = (0x4)
Feb 20 12:36:01 gnome-shell[4107]: .TARGET5 = (0x5)
Feb 20 12:36:01 gnome-shell[4107]: .TARGET6 = (0x6)
Feb 20 12:36:01 gnome-shell[4107]: .TARGET7 = (0x7)
Feb 20 12:36:01 gnome-shell[4107]: [0x0000001d] HDR 80000574 subch 0 IMMD
Feb 20 12:36:01 gnome-shell[4107]: mthd 15d0 NV9097_SET_ANTI_ALIAS
Feb 20 12:36:01 gnome-shell[4107]: .SAMPLES = MODE_1X1
Feb 20 12:36:01 gnome-shell[4107]: [0x0000001e] HDR 80000044 subch 0 IMMD
Feb 20 12:36:01 gnome-shell[4107]: mthd 0110 NV9097_WAIT_FOR_IDLE
Feb 20 12:36:01 gnome-shell[4107]: .V = (0x0)
Feb 20 12:36:01 gnome-shell[4107]: [0x0000001f] HDR 800101d5 subch 0 IMMD
Feb 20 12:36:01 gnome-shell[4107]: mthd 0754
NV9097_SET_HYBRID_ANTI_ALIAS_CONTROL
Feb 20 12:36:01 gnome-shell[4107]: .PASSES = (0x1)
Feb 20 12:36:01 gnome-shell[4107]: .CENTROID = PER_FRAGMENT
Feb 20 12:36:01 gnome-shell[4107]: [0x00000020] HDR 200308e0 subch 0 NINC
Feb 20 12:36:01 gnome-shell[4107]: mthd 2380
NV9097_SET_CONSTANT_BUFFER_SELECTOR_A
Feb 20 12:36:01 gnome-shell[4107]: .SIZE = (0x10000)
Feb 20 12:36:01 gnome-shell[4107]: mthd 2384
NV9097_SET_CONSTANT_BUFFER_SELECTOR_B
Feb 20 12:36:01 gnome-shell[4107]: .ADDRESS_UPPER = (0x0)
Feb 20 12:36:01 gnome-shell[4107]: mthd 2388
NV9097_SET_CONSTANT_BUFFER_SELECTOR_C
Feb 20 12:36:01 gnome-shell[4107]: .ADDRESS_LOWER = (0x4c0000)
Feb 20 12:36:01 gnome-shell[4107]: [0x00000024] HDR a00308e3 subch 0 1INC
Feb 20 12:36:01 gnome-shell[4107]: mthd 238c
NV9097_LOAD_CONSTANT_BUFFER_OFFSET
Feb 20 12:36:01 gnome-shell[4107]: .V = (0x1a0)
Feb 20 12:36:01 gnome-shell[4107]: mthd 2390
NV9097_LOAD_CONSTANT_BUFFER(0)
Feb 20 12:36:01 gnome-shell[4107]: .V = (0x3f000000)
Feb 20 12:36:01 gnome-shell[4107]: mthd 2390
NV9097_LOAD_CONSTANT_BUFFER(0)
Feb 20 12:36:01 gnome-shell[4107]: .V = (0x3f000000)
Feb 20 12:36:01 gnome-shell[4107]: [0x00000028] HDR 20040360 subch 0 NINC
Feb 20 12:36:01 gnome-shell[4107]: mthd 0d80
NV9097_SET_COLOR_CLEAR_VALUE(0)
Feb 20 12:36:01 gnome-shell[4107]: .V = (0x0)
Feb 20 12:36:01 gnome-shell[4107]: mthd 0d84
NV9097_SET_COLOR_CLEAR_VALUE(1)
Feb 20 12:36:01 gnome-shell[4107]: .V = (0x0)
Feb 20 12:36:01 gnome-shell[4107]: mthd 0d88
NV9097_SET_COLOR_CLEAR_VALUE(2)
Feb 20 12:36:01 gnome-shell[4107]: .V = (0x0)
Feb 20 12:36:01 gnome-shell[4107]: mthd 0d8c
NV9097_SET_COLOR_CLEAR_VALUE(3)
Feb 20 12:36:01 gnome-shell[4107]: .V = (0x0)
Feb 20 12:36:01 gnome-shell[4107]: [0x0000002d] HDR 20010674 subch 0 NINC
Feb 20 12:36:01 gnome-shell[4107]: mthd 19d0 NV9097_CLEAR_SURFACE
Feb 20 12:36:01 gnome-shell[4107]: .Z_ENABLE = FALSE
Feb 20 12:36:01 gnome-shell[4107]: .STENCIL_ENABLE = FALSE
Feb 20 12:36:01 gnome-shell[4107]: .R_ENABLE = TRUE
Feb 20 12:36:01 gnome-shell[4107]: .G_ENABLE = TRUE
Feb 20 12:36:01 gnome-shell[4107]: .B_ENABLE = TRUE
Feb 20 12:36:01 gnome-shell[4107]: .A_ENABLE = TRUE
Feb 20 12:36:01 gnome-shell[4107]: .MRT_SELECT = (0x0)
Feb 20 12:36:01 gnome-shell[4107]: .RT_ARRAY_INDEX = (0x0)
Feb 20 12:36:01 gnome-shell[4107]: [0x0000002f] HDR 200406c0 subch 0 NINC
Feb 20 12:36:01 gnome-shell[4107]: mthd 1b00
NV9097_SET_REPORT_SEMAPHORE_A
Feb 20 12:36:01 gnome-shell[4107]: .OFFSET_UPPER = (0x0)
Feb 20 12:36:01 gnome-shell[4107]: mthd 1b04
NV9097_SET_REPORT_SEMAPHORE_B
Feb 20 12:36:01 gnome-shell[4107]: .OFFSET_LOWER = (0x21d000)
Feb 20 12:36:01 gnome-shell[4107]: mthd 1b08
NV9097_SET_REPORT_SEMAPHORE_C
Feb 20 12:36:01 gnome-shell[4107]: .PAYLOAD = (0x5acb)
Feb 20 12:36:01 gnome-shell[4107]: mthd 1b0c
NVA097_SET_REPORT_SEMAPHORE_D
Feb 20 12:36:01 gnome-shell[4107]: .OPERATION = RELEASE
Feb 20 12:36:01 gnome-shell[4107]: .RELEASE =
AFTER_ALL_PRECEEDING_WRITES_COMPLETE
Feb 20 12:36:01 gnome-shell[4107]: .ACQUIRE =
BEFORE_ANY_FOLLOWING_WRITES_START
Feb 20 12:36:01 gnome-shell[4107]: .PIPELINE_LOCATION = ALL
Feb 20 12:36:01 gnome-shell[4107]: .COMPARISON = EQ
Feb 20 12:36:01 gnome-shell[4107]: .AWAKEN_ENABLE = FALSE
Feb 20 12:36:01 gnome-shell[4107]: .REPORT = NONE
Feb 20 12:36:01 gnome-shell[4107]: .STRUCTURE_SIZE = ONE_WORD
Feb 20 12:36:01 gnome-shell[4107]: .SUB_REPORT = (0x0)
Feb 20 12:36:01 gnome-shell[4107]: .REPORT_DWORD_NUMBER = (0x0)
Feb 20 12:36:01 gnome-shell[4107]: .FLUSH_DISABLE = FALSE
Feb 20 12:36:01 gnome-shell[4107]: .REDUCTION_ENABLE = FALSE
Feb 20 12:36:01 gnome-shell[4107]: .REDUCTION_OP = RED_ADD
Feb 20 12:36:01 gnome-shell[4107]: .REDUCTION_FORMAT =
UNSIGNED_32
Feb 20 12:36:01 gnome-shell[4107]: nouveau: kernel rejected pushbuf: No such
device
Feb 20 12:36:01 gnome-shell[4107]: nouveau: ch3: krec 0 pushes 1 bufs 0 relocs 0
Feb 20 12:36:01 kernel: show_signal_msg: 33 callbacks suppressed
Feb 20 12:36:01 kernel: gnome-shell[4107]: segfault at 64d000000000 ip
00007f8e45e50e37 sp 00007ffdca541950 error 4 in
libgallium-25.3.3-1ubuntu1.so[c50e37,7f8e452d7000+1935000] likely on CPU 3
(core 3, socket 0)
Feb 20 12:36:01 kernel: Code: 00 00 00 41 8b 45 00 48 8b 55 90 be 02 00 00 00
4c 8d 05 d2 68 df 00 49 8b 5d 08 4d 8b 65 10 48 8d 04 80 45 8b 4d 00 8b 4d 84
<4c> 8b 14 c2 4a 8d 04 23 48 8b 3d 0a bf ec 01 48 8d 15 73 d2 e6 00
Feb 20 12:36:01 systemd-coredump[128858]: Process 4107 (gnome-shell) of user
1001 terminated abnormally with signal 11/SEGV, processing...
```
ProblemType: Bug
DistroRelease: Ubuntu 26.04
Package: linux-image-generic 6.19.0-6.6
ProcVersionSignature: Ubuntu 6.19.0-3.3-generic 6.19.0-rc6
Uname: Linux 6.19.0-3-generic x86_64
ApportVersion: 2.33.1-0ubuntu3
Architecture: amd64
AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/by-id',
'/dev/snd/controlC2', '/dev/snd/pcmC2D0c', '/dev/snd/pcmC2D0p',
'/dev/snd/controlC0', '/dev/snd/hwC0D0', '/dev/snd/pcmC0D0c',
'/dev/snd/pcmC0D0p', '/dev/snd/by-path', '/dev/snd/controlC1',
'/dev/snd/hwC1D0', '/dev/snd/pcmC1D9p', '/dev/snd/pcmC1D8p',
'/dev/snd/pcmC1D7p', '/dev/snd/pcmC1D3p', '/dev/snd/seq', '/dev/snd/timer']
failed with exit code 1:
CasperMD5CheckResult: unknown
Date: Mon Feb 23 09:42:41 2026
InstallationDate: Installed on 2023-04-24 (1036 days ago)
InstallationMedia: Ubuntu 22.04 LTS "Jammy Jellyfish" - Release amd64 (20220419)
MachineType: LENOVO 20EQS6LJ00
ProcFB: 0 nouveaudrmfb
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-6.19.0-3-generic
root=/dev/mapper/vgubuntu-root ro quiet systemd.show_status=auto panic=10
mitigations=off kaslr pti=on slab_nomerge page_poison=1 slub_debug=FPZ
PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No
PulseAudio daemon running, or not running as session daemon.
RelatedPackageVersions:
firmware-sof N/A
linux-firmware 20260123.git1b7b9f6c.0ubuntu
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 03/18/2024
dmi.bios.release: 1.75
dmi.bios.vendor: LENOVO
dmi.bios.version: N1EETA2W (1.75 )
dmi.board.asset.tag: Not Available
dmi.board.name: 20EQS6LJ00
dmi.board.vendor: LENOVO
dmi.board.version: SDK0J40697 WIN
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: None
dmi.ec.firmware.release: 1.18
dmi.modalias:
dmi:bvnLENOVO:bvrN1EETA2W(1.75):bd03/18/2024:br1.75:efr1.18:svnLENOVO:pn20EQS6LJ00:pvrThinkPadP50:rvnLENOVO:rn20EQS6LJ00:rvrSDK0J40697WIN:cvnLENOVO:ct10:cvrNone:skuLENOVO_MT_20EQ_BU_Think_FM_ThinkPadP50:
dmi.product.family: ThinkPad P50
dmi.product.name: 20EQS6LJ00
dmi.product.sku: LENOVO_MT_20EQ_BU_Think_FM_ThinkPad P50
dmi.product.version: ThinkPad P50
dmi.sys.vendor: LENOVO
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug resolute
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Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/2142450
Title:
WARNING: drivers/gpu/drm/nouveau/nouveau_bo.c:1091 at
nouveau_bo_move_ntfy.part.0+0xf7/0x160 [nouveau]
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