Date: Tue, 10 May 2005 12:39:22 -0700 From: Marcel Moolenaar <marcel@xcllnt.net> To: Garance A Drosihn <drosih@rpi.edu> Cc: freebsd-ppc@freebsd.org Subject: Re: Panic, 'giant not owned' kern_mutex.c:299 Message-ID: <20050510193922.GA34057@ns1.xcllnt.net> In-Reply-To: <p06210208bea6bb371756@[128.113.24.47]> References: <p06210208bea6bb371756@[128.113.24.47]>
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On Tue, May 10, 2005 at 03:30:32PM -0400, Garance A Drosihn wrote: > I just rebuilt my ppc system last night, and when I try to boot up > off the new kernel I get: > > Trying to mount root from ufs:/dev/ad0s5 > panic: mutex Giant not owned at /usr/src/sys/kern/kern_mutex.c:299 > KDB: enter: panic > [thread pid 1 tid 100006 ] > Stopped at 0x259ae4: lwz r11, r1, 0x0 > db> > > Do you need more info than that? This is the exact same thing I ran into on ia64. The problem appears to be the default setting of the debug.mpsafevm tunable. If you set it to 1 in the loader the problem is resolved, although you might run into other issues. grehan@ is onto it, so you can also wait for his commit and/or suggestion. -- Marcel Moolenaar USPA: A-39004 marcel@xcllnt.net
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