Date: Sun, 27 Jun 1999 10:54:02 +0200 From: Poul-Henning Kamp <phk@critter.freebsd.dk> To: Peter Wemm <peter@netplex.com.au> Cc: Matthew Dillon <dillon@apollo.backplane.com>, current@FreeBSD.ORG, mckusick@mckusick.com Subject: Re: BUF_LOCK() related panic.. Message-ID: <25095.930473642@critter.freebsd.dk> In-Reply-To: Your message of "Sun, 27 Jun 1999 16:44:14 %2B0800." <19990627084414.24D4D81@overcee.netplex.com.au>
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In message <19990627084414.24D4D81@overcee.netplex.com.au>, Peter Wemm writes: >Speaking of SMP and simple locks, I'd like to turn on the debugging >simplelocks that keep a reference count and check before switching to make >sure that a process doesn't sleep holding a lock. This is a pretty >fundamental sanity check and would have found the LK_INTERLOCK problem >above before it got committed. Absolutely, I also have seen some indications that checking spl levels (#ifdef DIAGNOSTIC) might be warranted. -- Poul-Henning Kamp FreeBSD coreteam member phk@FreeBSD.ORG "Real hackers run -current on their laptop." FreeBSD -- It will take a long time before progress goes too far! To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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