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Date:      Sat, 2 Oct 2004 20:35:12 +0700
From:      Dmitry Frolov <frolov@riss-telecom.ru>
To:        hackers@freebsd.org
Subject:   Re: GEOM (ggate) compression consumer +problem
Message-ID:  <20041002133512.GA16646@nerve.riss-telecom.ru>
In-Reply-To: <415D2E86.5060007@fer.hr>
References:  <415BDFC2.1020304@fer.hr> <415C9967.3090309@jonny.eng.br> <415D2E86.5060007@fer.hr>

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* Ivan Voras <ivoras@fer.hr> [01.10.2004 17:17]:

> But, I still can't solve the wdrain problem. I've tried it on a recent 
> BETA6 kernel and it still remains. Writes get slower and slower 
> (actually, the frequency of writes), and then something locks up (with 
> no CPU usage...). Sometimes, *any* writes to any filesystem lock up.

Looks very similar to a syncing problem found in md(4).
Take a look at cvs log entry for revision 1.115 of md.c:

http://www.freebsd.org/cgi/cvsweb.cgi/src/sys/dev/md/md.c

    wbr&w, dmitry.
-- 
Dmitry Frolov <frolov@riss-telecom.ru>
RISS-Telecom Network, Novosibirsk, Russia
66415911@ICQ, +7 3832 NO WA1T, DVF-RIPE



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