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    SubjectRe: NFS regression? Odd delays and lockups accessing an NFS export.
    On Fri, 2008-08-22 at 14:56 -0700, Trond Myklebust wrote:
    > On Fri, 2008-08-22 at 22:37 +0100, Ian Campbell wrote:
    > > I can ssh to the server fine. The same server also serves my NFS home
    > > directory to the box I'm writing this from and I've not seen any trouble
    > > with this box at all, it's a 2.6.18-xen box.
    >
    > OK... Are you able to reproduce the problem reliably?

    It usually happens in around a day, but I can't make it happen at will
    so that I can arrange to be present at the time. It has usually locked
    up over night in the past.

    > If so, can you provide me with a binary tcpdump or wireshark dump? If
    > using tcpdump, then please use something like
    >
    > tcpdump -w /tmp/dump.out -s 90000 host myserver.foo.bar and port 2049

    I'll try leaving this going overnight but using -C and -W to limit the
    size to the disk space available.

    > Please also try to provide a netstat dump of the current TCP connections
    > as soon as the hang occurs:
    >
    > netstat -t

    Will do it ASAP after it happens.

    Ian.
    --
    Ian Campbell

    revision 1.17.2.7
    date: 2001/05/31 21:32:44; author: branden; state: Exp; lines: +1 -1
    ARRRRGH!! GOT THE G** D*** SENSE OF A F******* TEST BACKWARDS!
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