Re: USB Disk Stalls on -current

From: grarpamp <grarpamp_at_gmail.com>
Date: Mon, 07 Feb 2022 06:31:40 UTC
> Feb  6 11:56:43 alice kernel: (da0:umass-sim1:1:0:0): READ(10). CDB: 28
> 00 36 69 02 6e 00 00 80 00
> Feb  6 11:56:43 alice kernel: (da0:umass-sim1:1:0:0): CAM status: CCB
> request completed with an error
> Feb  6 11:56:43 alice kernel: (da0:umass-sim1:1:0:0): Retrying command,
> 2 more tries remain

Isn't there mechanism for kernel/cam/driver to issue a
sense request to fetch and print the actual error...
assuming, which is fine, that the bus or devices aren't
already locked up, in reset, etc such that a sense
would go unfulfilled or already be cleared.