kern/57329: nvme(4) waits forever for I/O with no timeout or retry logic

[campbell+netbsd%mumble.net@localhost]

>Number:         57329
>Category:       kern
>Synopsis:       nvme(4) waits forever for I/O with no timeout or retry logic
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    kern-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Fri Apr 07 12:45:00 +0000 2023
>Originator:     Taylor R Campbell
>Release:        current
>Organization:
The NetBSD Foundationvme0: watchdog timeout
>Environment:
running out of time not to burn it down
>Description:
nvme(4) has no logic to make transfers time out, or to retry them in case of failure or timeout.
>How-To-Repeat:
heavy I/O to nvme(4) with a buggy nvme controller, like VMware Fusion
>Fix:
Yes, please!