[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Date: Sun, 9 Sep 2007 17:04:00 -0400
From: "J. Bruce Fields" <bfields@...ldses.org>
To: Daniel J Blueman <daniel.blueman@...il.com>
Cc: Trond Myklebust <Trond.Myklebust@...app.com>, nfsv4@...ux-nfs.org,
Linux Kernel <linux-kernel@...r.kernel.org>
Subject: Re: [NFSv4] 2.6.23-rc4 oops in nfs4_cb_recall...
> When accessing a directory inode from a single other client, NFSv4
> callbacks catastrophically failed [1] on the NFS server with
> 2.6.23-rc4 (unpatched); clients are both 2.6.22 (Ubuntu Gutsy build).
> Seems not easy to reproduce, since this kernel was running smoothly
> for 7 days on the server.
>
> What information will help track this down, or is there a known
> failure mechanism?
I haven't seen that before.
> I can map stack frames to source lines with objdump, if that helps.
If it's still easy, it might help to figure out exactly where in
xprt_reserve() it died, and why. If we've got some race that can lead
to freeing the client while a callback is in progress, then perhaps this
is on the first dereference of xprt?
--b.
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists