Date: Sat, 11 Jan 2014 22:15:59 -0500 From: Adam McDougall <mcdouga9@egr.msu.edu> To: freebsd-stable@freebsd.org Subject: Re: panic: stable/10 with Debugging enabled in kern_cons.c:500 Message-ID: <52D208EF.1010601@egr.msu.edu> In-Reply-To: <1389480297.46758.9.camel@powernoodle.corp.yahoo.com> References: <1389478327.46758.7.camel@powernoodle.corp.yahoo.com> <1389480297.46758.9.camel@powernoodle.corp.yahoo.com>
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On 01/11/2014 17:44, Sean Bruno wrote: > On Sat, 2014-01-11 at 14:12 -0800, Sean Bruno wrote: >> I can't imagine that I'm the first person to run with the following >> debug options enabled: >> >> http://www.freebsd.org/doc/en_US.ISO8859-1/books/developers-handbook/kerneldebug-deadlocks.html >> >> But, I can't get stable/10 to post on a plain old supermicro box with >> those debugging symbols enabled. >> >> random: unblocking device. >> panic: mtx_lock_spin: recursed on non-recursive mutex cnputs_mtx >> @ /usr/src/sys/kern/kern_cons.c:500 >> > > Witness induced. Removed the witness option and this doesn't happen > (obviously). Can I get someone familiar with console code to look into > this? Kind of crappy when I'm investigating a resource starvation > issue. > > sean > Confirmed panic in 10-r258899M (20131203) on XenServer. For reference, what is your rev?
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