From: Haakon Riiser <hakonrk@ulrik.uio.no>
To: linux-kernel@vger.kernel.org
Subject: Re: Busy-wait delay in qmail 1.03 after upgrading to Linux 2.6
Date: Wed, 14 Jan 2004 12:29:20 +0100 [thread overview]
Message-ID: <20040114112920.GB298@s.chello.no> (raw)
In-Reply-To: <20040114000746.GA691@s.chello.no>
I have some more info on this bug:
Apparently, lock/trigger is a named pipe that connects to
qmail-send. I immediately tried stracing qmail-send while sending
the test message, but unfortunately, the bug is not reproducible
while qmail-send is straced. The entire process is almost as
fast as it is under 2.4 when I strace qmail-send.
At least now we have a temporary workaround:
strace -p $(pidof qmail-send) -o /dev/null &
:-)
Btw, the output from strace -p $(pidof qmail-send) can be viewed here:
(probably not interesting though, since the bug is not reproduced
under strace)
http://home.chello.no/~hakonrk/qmail-send.st.out.gz
--
Haakon
next prev parent reply other threads:[~2004-01-14 11:29 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-01-13 21:09 Haakon Riiser
2004-01-13 21:51 ` Andrew Morton
2004-01-13 23:26 ` Haakon Riiser
2004-01-13 23:43 ` Andrew Morton
2004-01-14 0:07 ` Haakon Riiser
2004-01-14 11:29 ` Haakon Riiser [this message]
2004-01-20 0:46 ` Haakon Riiser
2004-01-13 23:46 ` Haakon Riiser
2004-01-14 0:06 ` Andrew Morton
2004-01-14 10:27 ` Giuliano Pochini
2004-01-14 11:20 ` Haakon Riiser
2004-01-15 0:12 ` Haakon Riiser
2004-01-20 5:51 Peter Maas
[not found] <20040120021353.39e9155e.akpm@osdl.org>
2004-01-20 18:33 ` Fw: " Manfred Spraul
2004-01-20 19:22 ` Haakon Riiser
2004-01-20 19:45 ` Mike Fedyk
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