Date: Mon, 12 Sep 2005 13:42:12 +0900 From: Pyun YongHyeon <pyunyh@gmail.com> To: Ben Kaduk <minimarmot@gmail.com> Cc: freebsd-current@freebsd.org Subject: Re: panic upon kldunload snd_ich (lor # 159) Message-ID: <20050912044212.GC5182@rndsoft.co.kr> In-Reply-To: <47d0403c05091121047a037946@mail.gmail.com> References: <47d0403c05091121047a037946@mail.gmail.com>
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On Mon, Sep 12, 2005 at 04:04:48AM +0000, Ben Kaduk wrote: > Hi everyone, > > I see that this panic is caused by lor #159 > http://sources.zabbadoz.net/freebsd/lor.html#159 > but I figured I'd report it to see if it will help anyone > > Booting to single user and issuing: > # kldload snd_ich > # kldunload snd_ich > > are sufficient to trigger the panic on my system. I know that Alexander > Leidinger has recently committed some bits to current in the sound code, but > it is unclear if it will fix my panic; I'm currently cvsup-ing and building > world to find out. > > The machine in question is: > > bash-2.05b$ uname -a > FreeBSD prolepsis.math.uiuc.edu <http://prolepsis.math.uiuc.edu> > 7.0-CURRENTFreeBSD > 7.0-CURRENT #9: Thu Aug 25 06:22:00 UTC 2005 > kaduk@prolepsis.math.uiuc.edu:/usr/obj/usr/src/sys/PROLEPSIS > i386 > > As shown below, I have a core to play with, so if this needs fixing, tell me > what I can do to help. > I think the LOR you seen is not cause of panic. As you've got core, would you please give us full back-trace with symbol information? See http://www.freebsd.org/doc/en_US.ISO8859-1/books/developers-handbook/kerneldebug-kld.html for more datils. And make sure to rebuild sound driver module with debugging information too. -- Regards, Pyun YongHyeon
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