It looks like the main issue just before the zeros is a kernel crash:
Feb 14 16:32:46 alex-power kernel: [ 67.119401]
[drm:__nv_drm_gem_nvkms_memory_prime_get_sg_table [nvidia_drm]] *ERROR*
[nvidia-drm] [GPU ID 0x00000100] Failed to get memory pages for NvKmsKapiMemory
0x0000000076ba531b
Feb 14 16:32:46 alex-power kernel: [ 67.119416] BUG: kernel NULL pointer
dereference, address: 000000000000000c
Feb 14 16:32:46 alex-power kernel: [ 67.119418] #PF: supervisor read access
in kernel mode
Feb 14 16:32:46 alex-power kernel: [ 67.119419] #PF: error_code(0x0000) -
not-present page
Feb 14 16:32:46 alex-power kernel: [ 67.119420] PGD 0 P4D 0
Feb 14 16:32:46 alex-power kernel: [ 67.119422] Oops: 0000 [#1] SMP NOPTI
Feb 14 16:32:46 alex-power kernel: [ 67.119424] CPU: 3 PID: 4291 Comm:
gnome-shell Tainted: P OE 5.13.0-30-generic #33-Ubuntu
Feb 14 16:32:46 alex-power kernel: [ 67.119427] Hardware name: LENOVO
20THCT01WW/20THCT01WW, BIOS N2VET36W (1.21 ) 12/27/2021
Feb 14 16:32:46 alex-power kernel: [ 67.119428] RIP:
0010:drm_gem_map_dma_buf+0x43/0xb0 [drm]
Feb 14 16:32:46 alex-power kernel: [ 67.119455] Code: 00 00 83 fe 03 74 6f 48
8b 87 40 01 00 00 48 8b 40 38 48 85 c0 74 72 41 89 f5 ff d0 0f 1f 00 49 89 c4
48 3d 00 f0 ff ff 77 21 <8b> 50 0c 48 8b 7b 08 41 b8 20 00 00 00 44 89 e9 48 8b
30 e8 55 ca
Feb 14 16:32:46 alex-power kernel: [ 67.119457] RSP: 0018:ffffb921c72838d8
EFLAGS: 00010207
Feb 14 16:32:46 alex-power kernel: [ 67.119458] RAX: 0000000000000000 RBX:
ffff9799510f37e0 RCX: 0000000000000000
Feb 14 16:32:46 alex-power kernel: [ 67.119460] RDX: 0000000000000000 RSI:
ffff979c0bfa09c0 RDI: ffff979c0bfa09c0
Feb 14 16:32:46 alex-power kernel: [ 67.119461] RBP: ffffb921c72838f0 R08:
0000000000000000 R09: ffffb921c7283610
Feb 14 16:32:46 alex-power kernel: [ 67.119462] R10: ffffb921c7283608 R11:
ffffffff92355428 R12: 0000000000000000
Feb 14 16:32:46 alex-power kernel: [ 67.119463] R13: 0000000000000000 R14:
00000000dfd20881 R15: 0000000000000800
Feb 14 16:32:46 alex-power kernel: [ 67.119464] FS: 00007fe6b9d9bd80(0000)
GS:ffff979c0bf80000(0000) knlGS:0000000000000000
Feb 14 16:32:46 alex-power kernel: [ 67.119466] CS: 0010 DS: 0000 ES: 0000
CR0: 0000000080050033
Feb 14 16:32:46 alex-power kernel: [ 67.119467] CR2: 000000000000000c CR3:
000000011cbae002 CR4: 00000000007706e0
Feb 14 16:32:46 alex-power kernel: [ 67.119468] PKRU: 55555554
Feb 14 16:32:46 alex-power kernel: [ 67.119469] Call Trace:
Feb 14 16:32:46 alex-power kernel: [ 67.119470] <TASK>
Feb 14 16:32:46 alex-power kernel: [ 67.119473]
dma_buf_map_attachment+0x8c/0x100
Feb 14 16:32:46 alex-power kernel: [ 67.119477]
i915_gem_object_get_pages_dmabuf+0x1c/0x70 [i915]
Feb 14 16:32:46 alex-power kernel: [ 67.119535]
__i915_gem_object_get_pages+0x4d/0x80 [i915]
As a workaround please try logging into a Xorg session. It's the one
called 'Ubuntu on Xorg' or if that's not listed then just 'Ubuntu' on
the login screen.
** Tags added: hybrid multigpu
** Tags added: nvidia
** Tags added: wayland wayland-session
** Summary changed:
- System freeze
+ System freeze when plugging USB-C monitor into a hybrid Intel/Nvidia laptop
** Summary changed:
- System freeze when plugging USB-C monitor into a hybrid Intel/Nvidia laptop
+ System freeze when plugging USB-C monitor into a hybrid Intel/Nvidia laptop:
[drm:__nv_drm_gem_nvkms_memory_prime_get_sg_table [nvidia_drm]] *ERROR*
[nvidia-drm] [GPU ID 0x00000100] Failed to get memory pages for NvKmsKapiMemory
** Package changed: ubuntu => linux (Ubuntu)
** Changed in: linux (Ubuntu)
Importance: Undecided => High
** Changed in: linux (Ubuntu)
Status: Incomplete => New
** Bug watch added: gitlab.gnome.org/GNOME/mutter/-/issues #1891
https://gitlab.gnome.org/GNOME/mutter/-/issues/1891
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https://bugs.launchpad.net/bugs/1960865
Title:
System freeze when plugging USB-C monitor into a hybrid Intel/Nvidia
laptop: [drm:__nv_drm_gem_nvkms_memory_prime_get_sg_table
[nvidia_drm]] *ERROR* [nvidia-drm] [GPU ID 0x00000100] Failed to get
memory pages for NvKmsKapiMemory
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