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Re: Kernel crash with 2.6.29 + nfs + xfs (radix-tree)

To: linux-xfs@xxxxxxxxxxx
Subject: Re: Kernel crash with 2.6.29 + nfs + xfs (radix-tree)
From: Martin Spott <Martin.Spott@xxxxxxxxx>
Date: Sun, 7 Jun 2009 17:28:45 +0000 (UTC)
Newsgroups: list.linux-xfs
Organization: home
References: <20090520003745.GA27491@xxxxxxxxxxxx> <20090604112657.GA10738@xxxxxxxxxxxxx>
User-agent: tin/1.9.3-20080506 ("Dalintober") (UNIX) (Linux/2.6.29.4 (x86_64))
Hi Christoph,

Christoph Hellwig wrote:

> Sorry guys, still haven't been able to track it down.  Any chance one
> of you could run with CONFIG_XFS_DEBUG enabled and see if it trips
> over any of the asserts?

  "Say N unless you are an XFS developer, or you play one on TV."

Very nice  ;-)

I'm have to regret that I'm neither an XFS developer nor do I pretend
to be one. Yet, as I understand, I should see at least _some_ debug
info via 'dmesg', if there is any. Apparently the kernel is now having
XFS with debugging enabled:

Jun  7 18:53:33 isnix1 kernel: SGI XFS with ACLs, security attributes, large 
block/inode numbers, debug enabled
Jun  7 18:53:33 isnix1 kernel: SGI XFS Quota Management subsystem
Jun  7 18:53:33 isnix1 kernel: XFS mounting filesystem cciss/c0d0p2
[...]


....  but aside from the well-known messages as:

Installing knfsd (copyright (C) 1996 okir@xxxxxxxxxxxx).
NFSD: Using /var/lib/nfs/v4recovery as the NFSv4 state recovery
directory
NFSD: unable to find recovery directory /var/lib/nfs/v4recovery
NFSD: starting 90-second grace period
reconnect_path: npd != pd
reconnect_path: npd != pd
reconnect_path: npd != pd
[...]


....  I'm unable to find any helpful information in this context.
Anything I could try - this sunday evening ?

Cheers,
        Martin.
-- 
 Unix _IS_ user friendly - it's just selective about who its friends are !
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