[Bug 228497] [nfs] kernel panic in nfsrv_checksequence
bugzilla-noreply at freebsd.org
bugzilla-noreply at freebsd.org
Tue May 29 21:19:19 UTC 2018
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=228497
Rick Macklem <rmacklem at FreeBSD.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Assignee|fs at FreeBSD.org |rmacklem at FreeBSD.org
Status|New |In Progress
CC| |rmacklem at FreeBSD.org
--- Comment #1 from Rick Macklem <rmacklem at FreeBSD.org> ---
Created attachment 193829
--> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=193829&action=edit
Free up sessions when an ExchangeID with new co_verifier is done
This patch might fix the crashes. However, I don't know how the
Linux client might have gotten into this situation?
(Normally a Linux client only changes the co_verifier when it is
hard rebooted via the power cord or similar.)
This patch was committed to FreeBSD-current as r333580, but has not been
MFC'd.
If you could apply this patch to your server(s) and report of you get
another crash with the patch applied, that would tell us that something
else is broken.
Basically a crash like this occurs when the server somehow is using
a session when it is free'd.
Maybe some sort of network partitioning/client reboot or similar triggered
the behaviour that caused the crashes?
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