From: David Ashley <dash@xdr.com>
To: linuxppc-embedded@lists.linuxppc.org
Subject: BUG: udp socket, getsockopt + setsockopt
Date: Tue, 29 Jan 2002 08:49:02 -0800 [thread overview]
Message-ID: <200201291649.g0TGn2x09346@xdr.com> (raw)
I've found a very strange bug in linux ppc 2.4.17, I think. I'm pulling
udp packets off the LAN and reading them in a user space program. They come
in sets of about 60k bytes all together, then pause for a while. I only can
read the first 48k successfully, then they get lost.
If I have a setsockopt call on the socket, setting SO_RCVBUF to 65535,
then I don't lose any data. But if I do a getsockopt beforehand on
SO_RCVBUF, it reports 65535. Without the setsockopt I get the packet loss,
with it I don't lose any. It is strange because the value doesn't appear
to be changing.
What can be causing this mysterious behaviour?
-Dave
** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/
next reply other threads:[~2002-01-29 16:49 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-01-29 16:49 David Ashley [this message]
2002-01-29 16:58 ` BUG: udp socket, getsockopt + setsockopt Josh Horvath
2002-01-30 0:05 ` Val Henson
-- strict thread matches above, loose matches on Subject: below --
2002-01-30 3:22 David Ashley
2002-01-30 3:26 David Ashley
2002-01-30 3:41 ` Val Henson
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