Date: Fri, 17 Feb 2012 15:14:36 -0500 From: Ryan Stone <rysto32@gmail.com> To: Vijay Singh <vijju.singh@gmail.com> Cc: freebsd-hackers@freebsd.org Subject: Re: Panic in 8.1 in softclock(): mutex Giant not owned at ../../../../sys/kern/kern_mutex.c:185 Message-ID: <CAFMmRNwoFPidW8bZn0wpFn3J9e9bA3omjcZysp5V4Pec2VuW2Q@mail.gmail.com> In-Reply-To: <CALCNsJRVsuRxX6u_oOqymBGhSjCe7EwihiT88PGaiWQbOZ_TxQ@mail.gmail.com> References: <CALCNsJQEyr17UN6f7bz=6Qqs6=j_Otdk66NhUh8HbtbyvacT=Q@mail.gmail.com> <201111081005.43851.jhb@freebsd.org> <CALCNsJRVsuRxX6u_oOqymBGhSjCe7EwihiT88PGaiWQbOZ_TxQ@mail.gmail.com>
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On Wed, Feb 15, 2012 at 10:20 PM, Vijay Singh <vijju.singh@gmail.com> wrote: > I hit the assert in line 405. So right after locking Giant, it is > found unlocked!!! Try running kldload/kldunload with INVARIANTS enabled. I would suspect that you're hitting a case where the kldload code is unlocking Giant when it doesn't own it.
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