On a 6.4 kernel, 'scsishow -r' aborts with the following traceback:
crash> scsishow -r
Traceback (most recent call last):
File "/usr/local/lib/mpykdump64.so/progs/scsishow.py", line 959, in <module>
File "/usr/local/lib/mpykdump64.so/progs/scsishow.py", line 89, in display_requests
File "/home/martin/pykdump-code/pykdump/lowlevel.py", line 391, in __getattr__
raise KeyError(msg)
KeyError: '<struct scsi_cmnd> does not have a field <request>'