Messages in this thread | | | Date | Tue, 12 May 2009 19:05:46 -0500 | From | Jay Cliburn <> | Subject | Re: NFS regression? Odd delays and lockups accessing an NFS export. |
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On Tue, 12 May 2009 13:27:58 -0700 Frank Filz <ffilzlnx@us.ibm.com> wrote:
> 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 [...] > > 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.
The TSO problem in the atl1 driver was never resolved, and TSO was turned off by default with commit 82c26a9d117f0178b8c1b33429014b6d99c470f6 in the 2.6.27 cycle. It was also added to the -stable tree at 2.6.26.4.
http://lkml.org/lkml/2008/9/3/251
Jay
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