NetBSD Problem Report #57329

From www@netbsd.org  Fri Apr  7 12:40:49 2023
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Date: Fri,  7 Apr 2023 12:40:48 +0000 (UTC)
From: campbell+netbsd@mumble.net
Reply-To: campbell+netbsd@mumble.net
To: gnats-bugs@NetBSD.org
Subject: nvme(4) waits forever for I/O with no timeout or retry logic
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>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!

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