Date: Wed, 19 Aug 1998 19:57:01 +0200 (CEST) From: Søren Schmidt <sos@FreeBSD.ORG> To: luoqi@watermarkgroup.com (Luoqi Chen) Cc: regnauld@deepo.prosa.dk, sos@FreeBSD.ORG, croot@btp1da.phy.uni-bayreuth.de, current@FreeBSD.ORG, smp@FreeBSD.ORG Subject: Re: softupdates and smp crash Message-ID: <199808191757.TAA00646@sos.freebsd.dk> In-Reply-To: <199808191504.LAA05903@lor.watermarkgroup.com> from Luoqi Chen at "Aug 19, 98 11:04:33 am"
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In reply to Luoqi Chen who wrote:
> There is a race window between a directory entry is removed and dependency
> for that directory entry is deallocated. The reason that the race window
> has manifested itself on SMP is that the syncer process is a kernel thread,
> so we can have two processes both running in kernel mode. The simplest
> solution for now, IMO, is to make syncer process honor the giant lock.
> The long term solution is, of course, close those race windows one by one.
Care to fix it, the giant lock method should be fine for now ??
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Søren Schmidt (sos@FreeBSD.org) FreeBSD Core Team
Even more code to hack -- will it ever end?
..
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