Date: Mon, 21 Mar 2005 14:25:55 -0800
From: Andrew Morton <akpm@osdl.org>
To: george@galis.org
Cc: linux-kernel@vger.kernel.org
Subject: Re: problem with linux 2.6.11 and sa
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"George Georgalis" <george@galis.org> wrote:
>
> I'm very defiantly seeing a problem with the 2.6.11
> kernel and my spamassassin setup. However, it's not
> clear exactly where the problem is, seems like sa
> but it might be 2.6.11 with daemontools + qmail +
> QMAIL_QUEUE.
> 
> A sure sign of it is no logs (with debug) for
> remote sa connections which score "0/0" and correct
> operation with local "cat spam.txt | spamc -R"; fix
> is to use the older kernel.
> 
> SA has stopped stdout logging completely with 2.6.11
> in addition to the all pass score. But the message
> seems to go through my temp queue (for testing) and
> sent on to my local MDA. I'm not sure if it's a sa
> problem with the kernel or the new kernel doing
> something new with pipes from tcp connections.
> Maybe the new kernel is not making files available
> (eg 0 bytes), until the writing pipe is closed?
> That would make my SA test a zero byte file, which
> would pass, close, become full, and the file piped
> to local MDA is full? ...humm then I'd get a score
> of "0/5"... this sounds like a SA problem with the
> new kernel, ideas?

George, did you end up getting to the bottom of this?  I'd be suspecting a
bug in the new pipe code, or an application bug which was triggered by the
new pipe code.
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