linux-kernel - Re: NFS regression? Odd delays and lockups accessing an NFS export.

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <1242160078.2404.6.camel@dyn9047022153>
Date:	Tue, 12 May 2009 13:27:58 -0700
From:	Frank Filz <ffilzlnx@...ibm.com>
To:	jacliburn@...lsouth.net
Cc:	Grant Coady <gcoady.lk@...il.com>,
	linux-kernel <linux-kernel@...r.kernel.org>, neilb@...e.de,
	bfields@...ldses.org, linux-nfs@...r.kernel.org
Subject: Re: NFS regression?  Odd delays and lockups accessing an NFS
	export.

On Mon, 2008-08-18 at 14:37 -0500, J. K. Cliburn wrote:
> Athanasius wrote:
> > On Mon, Aug 18, 2008 at 12:02:20PM +1000, Grant Coady wrote:
> >> I've been using NFS here for years, lately there's something odd going on 
> >> since about a month or so.  Previously reported last month:
> >> http://www.gossamer-threads.com/lists/linux/kernel/951419?page=last
> >>
> >> Now with 2.6.27-rc3 on one of the client boxes I get a complete stall 
> >> at odd times when accessing the server's exported directory, cannot 
> >> see a pattern to it.  Eventually recovers after a Ctrl-C.  Nothing in 
> >> the server or client log files.  Not easy to reproduce either.
> > 
> >   I wonder if this is what I've been seeing.  I've been otherwise too
> > busy to properly report it, thinking that *someone* else must also be
> > seeing it and it's being worked on, else it's a subtle configuration
> > problem my end.
> > 
> >   I first started seeing this with 2.6.26 on the client end, 
> 
> I see you're running the atl1 driver on your client.  I'm chasing an 
> intermittent bug in that driver that seems to be affected by certain 
> offload parameters.  Try disabling TSO and see if things improve.

Was this ever resolved? We're seeing a similar hangup in a 2.6.27
kernel.

Thanks

Frank Filz


--
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/