Log of another freeze when resizing a Thunderbird save all attachments popup
window:

Jan 22 11:37:43 nyx kernel: nouveau 0000:23:00.0: gr: TRAP ch 14 [00fdb11000
Xwayland[2237]]
Jan 22 11:37:43 nyx kernel: nouveau 0000:23:00.0: gr: GPC0/TPC0/TEX: 80000009
Jan 22 11:37:43 nyx kernel: nouveau 0000:23:00.0: gr: GPC0/TPC1/TEX: 80000009
Jan 22 11:37:43 nyx kernel: nouveau 0000:23:00.0: gr: GPC0/TPC2/TEX: 80000000
Jan 22 11:37:43 nyx kernel: nouveau 0000:23:00.0: gr: TRAP ch 14 [00fdb11000
Xwayland[2237]]
Jan 22 11:37:43 nyx kernel: nouveau 0000:23:00.0: gr: GPC0/TPC0/TEX: 80000009
Jan 22 11:37:43 nyx kernel: nouveau 0000:23:00.0: gr: GPC0/TPC1/TEX: 80000009
Jan 22 11:37:43 nyx kernel: nouveau 0000:23:00.0: gr: GPC0/TPC2/TEX: 80000009
Jan 22 11:37:43 nyx kernel: nouveau 0000:23:00.0: gr: TRAP ch 14 [00fdb11000
Xwayland[2237]]
<lines above repeat multiple times>
Jan 22 11:37:43 nyx kernel: nouveau 0000:23:00.0: gr: GPC0/TPC0/TEX: 80000041
Jan 22 11:37:43 nyx kernel: nouveau 0000:23:00.0: gr: GPC0/TPC1/TEX: 80000041
Jan 22 11:37:43 nyx kernel: nouveau 0000:23:00.0: gr: GPC0/TPC2/TEX: 80000041
Jan 22 11:37:43 nyx kernel: nouveau 0000:23:00.0: fifo: read fault at
000c16c000 engine 00 [GR] client 15 [GPC0/PE_4] reason 02 [PTE] on channel 14
[00fdb11000 Xwaylan
Jan 22 11:37:43 nyx kernel: nouveau 0000:23:00.0: fifo: channel 14: killed
Jan 22 11:37:43 nyx kernel: nouveau 0000:23:00.0: fifo: runlist 0: scheduled
for recovery
Jan 22 11:37:43 nyx kernel: nouveau 0000:23:00.0: fifo: engine 0: scheduled for
recovery
Jan 22 11:37:43 nyx kernel: nouveau 0000:23:00.0: fifo: engine 7: scheduled for
recovery
Jan 22 11:37:43 nyx kernel: nouveau 0000:23:00.0: Xwayland[2237]: channel 14
killed!