Date: Sun, 10 Jun 2007 15:35:38 +0200 From: Attilio Rao <attilio@FreeBSD.org> To: Randall Stewart <rrs@cisco.com> Cc: freebsd-current@freebsd.org Subject: Re: Don't know what I was doing but... Message-ID: <466BFE2A.7020908@FreeBSD.org> In-Reply-To: <466BEA69.1010708@cisco.com> References: <466BEA69.1010708@cisco.com>
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Randall Stewart wrote: > Hi all: > > I have a fairly recent current.. like yesterday I think.. and > I just saw this tumble out (I usually run with witness and invariants > on in my laptop now :-D) > > lock order reversal: > 1st 0xc0b79f70 sched lock (sched lock) @ kern/sched_4bsd.c:846 > 2nd 0xc0bec658 descriptor tables (descriptor tables) @ > i386/i386/sys_machdep.c:363 Mm, since dt_lock is a leaf mutex, the opposite case seems quite impossible, so I expect this would be the result of some other bug... if next cvsup doesn't fix it, just let me know and I will look into this. Attilio
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