Also the kernel logs this during the 30 seconds of hanging:
[ 470.282196] nouveau 0000:01:00.0: fifo: read fault at 0000011000 engine 07 [PBDMA0] client 06 [HOST] reason 00 [PDE] on channel -1 [00ff86f000 unknown] [ 485.280032] nouveau 0000:01:00.0: mir_proving_ser[3146]: failed to idle channel 2 [mir_proving_ser[3146]] [ 500.280104] nouveau 0000:01:00.0: mir_proving_ser[3146]: failed to idle channel 2 [mir_proving_ser[3146]]
Also the kernel logs this during the 30 seconds of hanging:
[ 470.282196] nouveau 0000:01:00.0: fifo: read fault at 0000011000 engine 07 [PBDMA0] client 06 [HOST] reason 00 [PDE] on channel -1 [00ff86f000 unknown] ser[3146] : failed to idle channel 2 [mir_proving_ ser[3146] ] ser[3146] : failed to idle channel 2 [mir_proving_ ser[3146] ]
[ 485.280032] nouveau 0000:01:00.0: mir_proving_
[ 500.280104] nouveau 0000:01:00.0: mir_proving_