Date: Sun, 29 May 2011 14:11:55 +0300 From: Mikolaj Golub <trociny@freebsd.org> To: Maxim Sobolev <sobomax@FreeBSD.org> Cc: Pawel Jakub Dawidek <pjd@FreeBSD.ORG>, "current@freebsd.org" <current@FreeBSD.ORG> Subject: Re: Weird issue with hastd(8) Message-ID: <86hb8du5fo.fsf@kopusha.home.net> In-Reply-To: <4DDD4890.70604@FreeBSD.org> (Maxim Sobolev's message of "Wed, 25 May 2011 11:21:04 -0700") References: <4DDD4890.70604@FreeBSD.org>
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On Wed, 25 May 2011 11:21:04 -0700 Maxim Sobolev wrote: MS> Hi Pawel, MS> I am observing strange errors while synchronizing the data between MS> primary and secondary. I keep getting the following error messages: MS> May 25 11:09:19 eights hastd[10113]: [test] (secondary) Unable to MS> receive request header: Socket is not connected. MS> May 25 11:09:24 eights hastd[37571]: [test] (secondary) Worker process MS> exited ungracefully (pid=10113, exitcode=75). MS> May 25 11:10:17 eights hastd[12109]: [test] (secondary) Unable to MS> receive request header: Socket is not connected. MS> May 25 11:10:18 eights hastd[37571]: [test] (secondary) Worker process MS> exited ungracefully (pid=12109, exitcode=75). MS> May 25 11:10:39 eights hastd[14685]: [test] (secondary) Unable to MS> receive request header: Socket is not connected. MS> May 25 11:10:44 eights hastd[37571]: [test] (secondary) Worker process MS> exited ungracefully (pid=14685, exitcode=75). MS> The synchronization steel proceeds, but it's slow due to the need to MS> re-negotiate and re-spawn the secondary worker. I have tried to ktrace MS> both server and client at the same time. For some reason the primary MS> keeps sending data, while client gets 0-read from the recvfrom at some MS> point, while the primary keeps sending more data. This is 8-STABLE MS> code on both ends. MS> Any ideas of what could be wrong here are appreciated. This might be MSG_WAITALL issue I described on net@ (look for the thread "recv() with MSG_WAITALL might stuck when receiving more than rcvbuf", and also kern/154504). Could you please try the patch? http://people.freebsd.org/~trociny/uipc_socket.c.patch -- Mikolaj Golub
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