Date: Thu, 29 Apr 2010 22:19:57 -0400 From: Justin Hibbits <jrh29@alumni.cwru.edu> To: Super Biscuit <super_bisquit@yahoo.com> Cc: freebsd-ppc@freebsd.org Subject: Re: Kernel panic when loading snd_ai2s module Message-ID: <l2tfd9cd3451004291919td96610d1lc42231950b2cb033@mail.gmail.com> In-Reply-To: <643527.81801.qm@web110101.mail.gq1.yahoo.com> References: <q2vfd9cd3451004291907hf27400b5xf81418c2d9f7fc8b@mail.gmail.com> <643527.81801.qm@web110101.mail.gq1.yahoo.com>
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On Thu, Apr 29, 2010 at 10:14 PM, Super Biscuit <super_bisquit@yahoo.com>wrote: > > > --- On *Fri, 4/30/10, Justin Hibbits <jrh29@alumni.cwru.edu>* wrote: > > > From: Justin Hibbits <jrh29@alumni.cwru.edu> > Subject: Kernel panic when loading snd_ai2s module > To: "FreeBSD PowerPC ML" <freebsd-ppc@freebsd.org> > Date: Friday, April 30, 2010, 2:07 AM > > lock order reversal: > 1st 0xd47cc118 bufwait (bufwait) @ /usr/src/sys/kern/vfs_bio.c:2559 > 2nd 0x177c200 dirhash (dirhash) @ /usr/src/sys/ufs/ufs/ufs_dirhash.c:285 > KDB: stack backtrace: > 0xdafa9760: at kdb_backtrace+0x4c > 0xdafa9870: at_witness_debugger+0x3c > 0xdafa97a0:at > witness_checkorder+0x8d0 > 0xdafa9800: at _sx_xcloxk+0x90 > 0xdafa9830: at ufsdirhash_acquire+0x40 > 0xdafa9850: at ufsdirhash_remove+0x2c > 0xdafa98c0: at ufs_remove+0x8c > 0xdafa9900: at VOP_REMOVE_APV+0xe0 > 0xdafa9920: at kern_unlinkat+0x22c > 0xdafa9a60: at kern_unlink+0x28 > 0xdafa9a80: at unlink+0x1c > 0xdafa9aa0: at trap+0x37c > 0xdafa9b60: at powerpc_interrupt+0x100 > 0xdafa9b90: user SC trap by 0x41957238:srr1=0xd032 > r1=0x7fffc4e0 cr=0x20000042 xer=0 ctr=0x41957230 > > I'm not able to run kgdb on it. > > Super, please don't hijack threads. That LOR is not related to this kernel panic. Also, please check the rules for LOR posts, at http://sources.zabbadoz.net/freebsd/lor.html
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