I also noticed this crash just before the Xwayland error:
[ 108.391556] ------------[ cut here ]------------
[ 108.391560] WARNING: CPU: 7 PID: 6474 at kernel/workqueue.c:1790
__queue_work.part.0+0x30c/0x3e0
[ 108.391570] Modules linked in: uhid vboxnetadp(O) vboxnetflt(O) vboxdrv(O)
ccm rfcomm snd_seq_dummy snd_hrtimer cmac algif_hash algif_skcipher af_alg qrtr
bnep snd_ctl_led snd_soc_skl_hda_dsp snd_soc_hdac_hdmi snd_sof_probes
snd_soc_intel_hda_dsp_common snd_hda_codec_hdmi snd_hda_codec_realtek
snd_hda_codec_generic snd_soc_dmic snd_sof_pci_intel_tgl
snd_sof_intel_hda_common soundwire_intel snd_sof_intel_hda_mlink
soundwire_cadence snd_sof_intel_hda snd_sof_pci snd_sof_xtensa_dsp snd_sof
snd_sof_utils snd_soc_hdac_hda xt_multiport snd_hda_ext_core xt_tcpudp
snd_soc_acpi_intel_match snd_soc_acpi xe xt_conntrack
soundwire_generic_allocation soundwire_bus nf_conntrack nf_defrag_ipv6
snd_soc_core nf_defrag_ipv4 nft_compat snd_compress ac97_bus nf_tables
snd_pcm_dmaengine drm_suballoc_helper binfmt_misc libcrc32c snd_hda_intel
snd_intel_dspcfg snd_intel_sdw_acpi snd_hda_codec intel_uncore_frequency
snd_hda_core intel_uncore_frequency_common intel_tcc_cooling nouveau
nls_iso8859_1 snd_hw
dep x86_pkg_temp_thermal snd_pcm
[ 108.391611] intel_powerclamp i915 snd_seq_midi snd_seq_midi_event btusb
drm_gpuvm btrtl uvcvideo coretemp processor_thermal_device_pci_legacy
snd_rawmidi drm_exec iwlmvm btintel cmdlinepart videobuf2_vmalloc
processor_thermal_device kvm_intel gpu_sched snd_seq btbcm uvc spi_nor
processor_thermal_wt_hint videobuf2_memops snd_seq_device drm_ttm_helper
drm_buddy btmtk mac80211 videobuf2_v4l2 mfd_aaeon asus_nb_wmi mei_hdcp mei_pxp
mtd intel_rapl_msr libarc4 snd_timer kvm processor_thermal_rfim asus_wmi
videodev bluetooth ttm iwlwifi processor_thermal_rapl irqbypass ledtrig_audio
snd drm_display_helper intel_rapl_common videobuf2_common sparse_keymap rapl
spi_intel_pci mei_me ecdh_generic i2c_i801 mc intel_cstate ecc platform_profile
wmi_bmof mxm_wmi cec soundcore spi_intel processor_thermal_wt_req i2c_smbus
cfg80211 mei rc_core processor_thermal_power_floor processor_thermal_mbox
i2c_algo_bit igen6_edac intel_soc_dts_iosf int3403_thermal intel_pmc_core
int340x_thermal_zone int3400_th
ermal intel_vsec acpi_thermal_rel
[ 108.391665] pmt_telemetry joydev input_leds pmt_class acpi_pad acpi_tad
mac_hid serio_raw msr parport_pc ppdev lp parport efi_pstore nfnetlink
dmi_sysfs ip_tables x_tables autofs4 usbhid dm_crypt nvme hid_multitouch
nvme_core hid_generic nvme_auth crct10dif_pclmul crc32_pclmul polyval_clmulni
polyval_generic ghash_clmulni_intel intel_lpss_pci rtsx_pci_sdmmc sha256_ssse3
i2c_hid_acpi intel_lpss ucsi_acpi sha1_ssse3 xhci_pci thunderbolt i2c_hid
rtsx_pci video vmd idma64 typec_ucsi xhci_pci_renesas typec hid wmi
pinctrl_tigerlake aesni_intel crypto_simd cryptd
[ 108.391701] CPU: 7 PID: 6474 Comm: Xwayland Tainted: G O
6.8.0-22-generic #22-Ubuntu
[ 108.391703] Hardware name: ASUSTeK COMPUTER INC. ZenBook
UX435EG_UX435EG/UX435EG, BIOS UX435EG.315 04/22/2022
[ 108.391705] RIP: 0010:__queue_work.part.0+0x30c/0x3e0
[ 108.391709] Code: 4c 8b 30 49 89 c7 49 39 fe 0f 84 5a fe ff ff 0f 0b e9 53
fe ff ff 65 8b 3d cd df b0 54 e8 3c c0 ff ff 89 45 d0 e9 23 fd ff ff <0f> 0b e9
e2 fe ff ff 48 8b 0b 44 89 e0 49 8d 57 68 83 c8 07 83 e1
[ 108.391711] RSP: 0018:ffffb10c894b3818 EFLAGS: 00010082
[ 108.391713] RAX: 0000000000000000 RBX: ffff951d37d1f4c0 RCX: 0000000000000000
[ 108.391714] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 108.391715] RBP: ffffb10c894b3850 R08: 0000000000000000 R09: 0000000000000000
[ 108.391716] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000002000
[ 108.391717] R13: ffff951d37d1f4c8 R14: ffff9520877b4500 R15: ffff951d001df200
[ 108.391718] FS: 00007142ceae08c0(0000) GS:ffff952087780000(0000)
knlGS:0000000000000000
[ 108.391720] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 108.391721] CR2: 00007889cbf77000 CR3: 000000015f1fa006 CR4: 0000000000f70ef0
[ 108.391723] PKRU: 55555554
[ 108.391724] Call Trace:
[ 108.391726] <TASK>
[ 108.391730] ? show_regs+0x6d/0x80
[ 108.391733] ? __warn+0x89/0x160
[ 108.391736] ? __queue_work.part.0+0x30c/0x3e0
[ 108.391739] ? report_bug+0x17e/0x1b0
[ 108.391742] ? handle_bug+0x51/0xa0
[ 108.391746] ? exc_invalid_op+0x18/0x80
[ 108.391749] ? asm_exc_invalid_op+0x1b/0x20
[ 108.391755] ? __queue_work.part.0+0x30c/0x3e0
[ 108.391758] ? __queue_work.part.0+0xf7/0x3e0
[ 108.391760] ? __pfx_pci_pm_runtime_resume+0x10/0x10
[ 108.391764] __queue_work+0x36/0xa0
[ 108.391767] queue_work_on+0x67/0x70
[ 108.391771] nouveau_display_hpd_resume+0x49/0x60 [nouveau]
[ 108.391897] nouveau_pmops_runtime_resume+0xef/0x1a0 [nouveau]
[ 108.391986] pci_pm_runtime_resume+0xa0/0x100
[ 108.391989] __rpm_callback+0x4d/0x170
[ 108.391992] rpm_callback+0x6d/0x80
[ 108.391993] ? __pfx_pci_pm_runtime_resume+0x10/0x10
[ 108.391995] rpm_resume+0x594/0x7e0
[ 108.391998] __pm_runtime_resume+0x4e/0x80
[ 108.391999] nouveau_drm_open+0x6d/0x1f0 [nouveau]
[ 108.392093] drm_file_alloc+0x1ea/0x2b0
[ 108.392096] drm_open_helper+0x77/0x130
[ 108.392099] ? drm_minor_acquire+0xb1/0x180
[ 108.392101] drm_open+0x6f/0x120
[ 108.392103] drm_stub_open+0xac/0xf0
[ 108.392105] chrdev_open+0xcf/0x250
[ 108.392109] ? __pfx_chrdev_open+0x10/0x10
[ 108.392111] do_dentry_open+0x21d/0x570
[ 108.392115] vfs_open+0x33/0x50
[ 108.392117] do_open+0x2ed/0x470
[ 108.392120] path_openat+0x135/0x2d0
[ 108.392122] ? __mod_memcg_lruvec_state+0xd6/0x1a0
[ 108.392126] do_filp_open+0xaf/0x170
[ 108.392130] do_sys_openat2+0xb3/0xe0
[ 108.392132] __x64_sys_openat+0x55/0xa0
[ 108.392134] do_syscall_64+0x82/0x180
[ 108.392137] ? __x64_sys_getdents64+0x100/0x130
[ 108.392139] ? __pfx_filldir64+0x10/0x10
[ 108.392141] ? syscall_exit_to_user_mode+0x86/0x260
[ 108.392144] ? do_syscall_64+0x92/0x180
[ 108.392145] ? do_syscall_64+0x92/0x180
[ 108.392147] ? do_syscall_64+0x92/0x180
[ 108.392149] ? syscall_exit_to_user_mode+0x86/0x260
[ 108.392151] ? do_syscall_64+0x92/0x180
[ 108.392154] ? do_syscall_64+0x92/0x180
[ 108.392155] ? do_syscall_64+0x92/0x180
[ 108.392157] ? do_syscall_64+0x92/0x180
[ 108.392159] entry_SYSCALL_64_after_hwframe+0x6e/0x76
[ 108.392162] RIP: 0033:0x7142cf11b1e5
[ 108.392190] Code: 8b 55 d0 48 89 45 b0 75 a0 44 89 55 9c e8 73 d3 f7 ff 44
8b 55 9c 89 da 4c 89 e6 41 89 c0 bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00
f0 ff ff 77 33 44 89 c7 89 45 9c e8 c8 d3 f7 ff 8b 45 9c
[ 108.392191] RSP: 002b:00007fffa87f9150 EFLAGS: 00000293 ORIG_RAX:
0000000000000101
[ 108.392193] RAX: ffffffffffffffda RBX: 0000000000080002 RCX: 00007142cf11b1e5
[ 108.392194] RDX: 0000000000080002 RSI: 00005631b14170d8 RDI: 00000000ffffff9c
[ 108.392195] RBP: 00007fffa87f91c0 R08: 0000000000000000 R09: 0000000000000000
[ 108.392196] R10: 0000000000000000 R11: 0000000000000293 R12: 00005631b14170d8
[ 108.392197] R13: 0000000000000000 R14: 0000000000000000 R15: 00005631b148f8c0
[ 108.392199] </TASK>
[ 108.392200] ---[ end trace 0000000000000000 ]---
** Also affects: xwayland (Ubuntu)
Importance: Undecided
Status: New
--
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which is subscribed to xwayland in Ubuntu.
https://bugs.launchpad.net/bugs/2061949
Title:
nouveau error
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