有时，当我单击应用程序图标（例如文件或文本编辑器）时，系统会冻结。鼠标和键盘都没有反应。按 Caps Lock 不会改变键盘上的 LED。按 Ctrl+Alt+F4 没有任何反应，显然是因为键盘停止工作了。我可以从 PC 获得响应的唯一方法是通过网络连接并使用 SSH。
当我通过 SSH 连接并输入时journalctl，我看到了以下相关详细信息。有人能从中看出问题的原因是什么吗？
Jan 15 15:23:11 pluto dbus-daemon[2502]: [session uid=1000 pid=2502] Activating service name='org.gnome.TextEditor' requested by ':1.43' (uid=1000 pid=2834 comm="/usr/bin/gnome-shell" label="unconfined")
Jan 15 15:23:11 pluto kernel: nouveau 0000:01:00.0: fifo: PBDMA0: 00800000 [EMPTY_SUBC] ch 3 [001fc25000 gnome-text-edit[28869]] subc 7 mthd 0000 data 001f906e
Jan 15 15:23:11 pluto kernel: nouveau 0000:01:00.0: fifo: fault 00 [READ] at 0000000000000000 engine 00 [PGRAPH] client 05 [HUB/CTXCTL] reason 02 [PAGE_NOT_PRESENT] on channel 3 [001fc25000 gnome-text-edit[28869]]
Jan 15 15:23:11 pluto kernel: nouveau 0000:01:00.0: fifo:000000:0003:[gnome-text-edit[28869]] rc scheduled
Jan 15 15:23:11 pluto kernel: nouveau 0000:01:00.0: fifo:000000: rc scheduled
Jan 15 15:23:11 pluto kernel: nouveau 0000:01:00.0: fifo:000000:0003:0003:[gnome-text-edit[28869]] errored - disabling channel
Jan 15 15:23:11 pluto kernel: nouveau 0000:01:00.0: Xorg[2595]: channel 3 killed!
Jan 15 15:23:15 pluto kernel: nouveau 0000:01:00.0: fifo: SCHED_ERROR 0a [CTXSW_TIMEOUT]
Jan 15 15:23:19 pluto kernel: nouveau 0000:01:00.0: fifo: SCHED_ERROR 0a [CTXSW_TIMEOUT]
Jan 15 15:23:21 pluto kernel: ------------[ cut here ]------------
Jan 15 15:23:21 pluto kernel: nouveau 0000:01:00.0: timeout
Jan 15 15:23:21 pluto kernel: WARNING: CPU: 5 PID: 26924 at drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv50.c:228 nv50_runl_wait+0xe4/0x100 [nouveau]
Jan 15 15:23:21 pluto kernel: Modules linked in: xt_conntrack nft_chain_nat xt_MASQUERADE nf_nat nf_conntrack_netlink nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 xfrm_user xfrm_algo xt_addrtype nft_compat nf_tables libcrc32c nfnetlink br_netfilter bridge stp llc snd_seq_dummy snd_hrtimer overlay vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) binfmt_misc nls_iso8859_1 intel_rapl_msr intel_rapl_common x86_pkg_temp_thermal intel_powerclamp snd_hda_codec_realtek snd_hda_codec_generic snd_hda_codec_hdmi coretemp snd_hda_intel snd_intel_dspcfg uvcvideo snd_intel_sdw_acpi snd_usb_audio kvm_intel videobuf2_vmalloc snd_hda_codec uvc snd_usbmidi_lib videobuf2_memops r8712u(C) snd_hda_core videobuf2_v4l2 snd_ump kvm videodev snd_hwdep nouveau cfg80211 snd_pcm videobuf2_common irqbypass mc mxm_wmi crct10dif_pclmul drm_ttm_helper joydev input_leds polyval_clmulni snd_seq_midi ttm polyval_generic snd_seq_midi_event drm_display_helper snd_rawmidi ghash_clmulni_intel aesni_intel snd_seq cec mei_pxp mei_hdcp rc_core crypto_simd at24 dell_smm_hwmon cryptd
Jan 15 15:23:21 pluto kernel: snd_seq_device drm_kms_helper snd_timer rapl intel_cstate dell_wmi dell_smbios snd mei_me dcdbas i2c_algo_bit soundcore ledtrig_audio sparse_keymap i2c_i801 dell_wmi_descriptor wmi_bmof mei ie31200_edac lpc_ich i2c_smbus serio_raw mac_hid msr parport_pc ppdev lp parport drm efi_pstore dmi_sysfs ip_tables x_tables autofs4 hid_generic usbhid hid crc32_pclmul e1000e psmouse ahci libahci xhci_pci xhci_pci_renesas video wmi
Jan 15 15:23:21 pluto kernel: CPU: 5 PID: 26924 Comm: kworker/5:0 Tainted: G C OE 6.5.0-14-generic #14-Ubuntu
Jan 15 15:23:21 pluto kernel: Hardware name: Dell Inc. Precision T1650/0X9M3X, BIOS A28 06/28/2018
Jan 15 15:23:21 pluto kernel: Workqueue: events nvkm_runl_work [nouveau]
Jan 15 15:23:21 pluto kernel: RIP: 0010:nv50_runl_wait+0xe4/0x100 [nouveau]
Jan 15 15:23:21 pluto kernel: Code: 8b 40 10 48 8b 78 10 48 8b 5f 50 48 85 db 75 03 48 8b 1f e8 2e 89 dd cf 48 89 da 48 c7 c7 ae c4 f2 c0 48 89 c6 e8 8c db 39 cf <0f> 0b b8 92 ff ff ff eb a9 e8 9e 79 3e d0 66 66 2e 0f 1f 84 00 00
Jan 15 15:23:21 pluto kernel: RSP: 0018:ffffb77a8b793d68 EFLAGS: 00010246
Jan 15 15:23:21 pluto kernel: RAX: 0000000000000000 RBX: ffff96150181daa0 RCX: 0000000000000000
Jan 15 15:23:21 pluto kernel: RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
Jan 15 15:23:21 pluto kernel: RBP: ffffb77a8b793da0 R08: 0000000000000000 R09: 0000000000000000
Jan 15 15:23:21 pluto kernel: R10: 0000000000000000 R11: 0000000000000000 R12: ffff96150454b208
Jan 15 15:23:21 pluto kernel: R13: 0000000000000000 R14: ffff96150454b230 R15: ffff9615f11bca90
Jan 15 15:23:21 pluto kernel: FS: 0000000000000000(0000) GS:ffff96180dd40000(0000) knlGS:0000000000000000
Jan 15 15:23:21 pluto kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Jan 15 15:23:21 pluto kernel: CR2: 000023c80d099000 CR3: 0000000205e44001 CR4: 00000000001706e0
Jan 15 15:23:21 pluto kernel: Call Trace:
Jan 15 15:23:21 pluto kernel: <TASK>
Jan 15 15:23:21 pluto kernel: ? show_regs+0x6d/0x80
Jan 15 15:23:21 pluto kernel: ? __warn+0x89/0x160
Jan 15 15:23:21 pluto kernel: ? nv50_runl_wait+0xe4/0x100 [nouveau]
Jan 15 15:23:21 pluto kernel: ? report_bug+0x17e/0x1b0
Jan 15 15:23:21 pluto kernel: ? handle_bug+0x51/0xa0
Jan 15 15:23:21 pluto kernel: ? exc_invalid_op+0x18/0x80
Jan 15 15:23:21 pluto kernel: ? asm_exc_invalid_op+0x1b/0x20
Jan 15 15:23:21 pluto kernel: ? nv50_runl_wait+0xe4/0x100 [nouveau]
Jan 15 15:23:21 pluto kernel: ? nv50_runl_wait+0xe4/0x100 [nouveau]
Jan 15 15:23:21 pluto kernel: nvkm_runl_rc+0x21f/0x400 [nouveau]
Jan 15 15:23:21 pluto kernel: nvkm_runl_work+0x27/0x40 [nouveau]
Jan 15 15:23:21 pluto kernel: process_one_work+0x223/0x440
Jan 15 15:23:21 pluto kernel: worker_thread+0x4d/0x3f0
Jan 15 15:23:21 pluto kernel: ? _raw_spin_lock_irqsave+0xe/0x20
Jan 15 15:23:21 pluto kernel: ? __pfx_worker_thread+0x10/0x10
Jan 15 15:23:21 pluto kernel: kthread+0xf2/0x120
Jan 15 15:23:21 pluto kernel: ? __pfx_kthread+0x10/0x10
Jan 15 15:23:21 pluto kernel: ret_from_fork+0x47/0x70
Jan 15 15:23:21 pluto kernel: ? __pfx_kthread+0x10/0x10
Jan 15 15:23:21 pluto kernel: ret_from_fork_asm+0x1b/0x30
Jan 15 15:23:21 pluto kernel: </TASK>
Jan 15 15:23:21 pluto kernel: ---[ end trace 0000000000000000 ]---