EADDRNOTAVAIL syslog floods on reconnect

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  • Kernel version: 2.6.29-ge0724bf6e4,, 2.6.30-rc1-git3, 2.6.30-rc2-git7
  • bug 13034
  • Reported by: Petr Vandrovec (April 7, 2009)
  • Fixed by: Trond Myklebust (April 21, 2009)


  • ls -l in directory with a link to a NFS-mounted directory
  • dmesg fills with:
    xs_tcp_setup_socket: connect returned unhandled error -99 
  • machine becomes unusable
    • if hardware watchdog is running, the machine may be rebooted


commit f75e6745aa3084124ae1434fd7629853bdaf6798
Author: Trond Myklebust <Trond.Myklebust@netapp.com>
Date:   Tue Apr 21 17:18:20 2009 -0400

    SUNRPC: Fix the problem of EADDRNOTAVAIL syslog floods on reconnect
    See http://bugzilla.kernel.org/show_bug.cgi?id=13034
    If the port gets into a TIME_WAIT state, then we cannot reconnect without
    binding to a new port.
    Tested-by: Petr Vandrovec <petr@vandrovec.name>
    Tested-by: Jean Delvare <khali@linux-fr.org>
    Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
    Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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