Date: Tue, 10 Mar 2015 21:09:40 -0700 From: jungle Boogie <jungleboogie0@gmail.com> To: Jason Birch <jbirch@jbirch.net> Cc: "freebsd-arm@freebsd.org" <freebsd-arm@freebsd.org> Subject: Re: BBB freebsd-current backtrace. why? Message-ID: <CAKE2PDszqdzgGCCfqJBV9bvn5vTxTGTCJ0wjHkr4hn5RM5susQ@mail.gmail.com> In-Reply-To: <CAA=KUhsE5w85Whxxv0FDhmyC-Rz8YfOsL8MPhB%2BMcrd9QE5-_A@mail.gmail.com> References: <CAKE2PDvJ9dadCZpq7BdWfKUZyNUZ5O2e%2BD1yWaKYQ4TSCW8%2BEQ@mail.gmail.com> <CAA=KUhsE5w85Whxxv0FDhmyC-Rz8YfOsL8MPhB%2BMcrd9QE5-_A@mail.gmail.com>
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Hi Jason, On 10 March 2015 at 19:05, Jason Birch <jbirch@jbirch.net> wrote: > > They're lock order reversals, as enabled by the WITNESS kernel option. You > probably don't need to worry, but it's helpful to check if they've been > reported and, if not, report them. > > You might be running into this one: > http://sources.zabbadoz.net/freebsd/lor/261.html > > Quick Googling turns up these resources: > > lock order reversals - what do they mean?: > https://lists.freebsd.org/pipermail/freebsd-current/2003-December/016617.html > Glossary of Kernel Options for Debugging: > https://www.freebsd.org/doc/en/books/developers-handbook/kerneldebug-options.html > FreeBSD LOR(lock order reversal)s seen and comments: > http://sources.zabbadoz.net/freebsd/lor.html Based on what Ian says, I hope these BT don't continue. Those threads are very likely before the BBB was made...much less had freeBSD running, so hopefully some progress has been made with freeBSD. Best, jungle -- ------- inum: 883510009027723 sip: jungleboogie@sip2sip.info xmpp: jungle-boogie@jit.si
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