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List:       linux-kernel
Subject:    Re: Select/non blocking read problems in 2.1
From:       "David S. Miller" <davem () dm ! cobaltmicro ! com>
Date:       1998-07-31 17:32:03
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   From: Ben Pfaff <pfaffben@pilot.msu.edu>
   Date: 	31 Jul 1998 13:29:21 -0400

   When running Gnus under Emacs, sometimes if the PPP connection drops
   and I tell it to check for new mail/news it will go into an endless
   loop and Control-g will fail to kill it.  I don't remember this
   happening in 2.0.34.

   fetchmail's daemon mode sometimes quits working and I have to stop it
   with fetchmail -q and restart it with fetchmail -d.  This didn't
   happen under 2.0.34 either.

please strace such processes when they are in this stuck state so we
can see if the behavior of endless -EAGAIN read/write system calls
matches up with Andi's observations

without this, all we can say is "your programs get stuck, thats nice,
too bad we have none of the clues needed to figure out why"

Later,
David S. Miller
davem@dm.cobaltmicro.com

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