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From: Rick Macklem <rmacklem@FreeBSD.org>
Date: Wed, 27 Apr 2011 18:19:26 +0000 (UTC)
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Subject: cvs commit: src/sys/rpc clnt.h clnt_rc.c clnt_vc.c rpcb_clnt.c
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rmacklem    2011-04-27 18:19:26 UTC

  FreeBSD src repository

  Modified files:
    sys/rpc              clnt.h clnt_rc.c clnt_vc.c rpcb_clnt.c 
  Log:
  SVN rev 221127 on 2011-04-27 18:19:26Z by rmacklem
  
  This patch is believed to fix a problem in the kernel rpc for
  non-interruptible NFS mounts, where a kernel thread will seem
  to be stuck sleeping on "rpccon". The msleep() in clnt_vc_create()
  that was waiting to a TCP connect to complete would return ERESTART,
  since PCATCH was specified. Then the tsleep() in clnt_reconnect_call()
  would sleep for 1 second and then try again and again and...
  The patch changes the msleep() in clnt_vc_create() so it only sets
  the PCATCH flag for interruptible cases.
  
  Tested by:      pho
  Reviewed by:    jhb
  MFC after:      2 weeks
  
  Revision  Changes    Path
  1.4       +2 -1      src/sys/rpc/clnt.h
  1.12      +1 -1      src/sys/rpc/clnt_rc.c
  1.15      +7 -3      src/sys/rpc/clnt_vc.c
  1.4       +1 -1      src/sys/rpc/rpcb_clnt.c