Date: Thu, 4 Jan 2007 12:50:16 -0500 From: John Baldwin <jhb@freebsd.org> To: Kostik Belousov <kostikbel@gmail.com> Cc: freebsd-hackers@freebsd.org, Eugene Grosbein <eugen@kuzbass.ru> Subject: Re: WITNESS & RELENG_6 Message-ID: <200701041250.17335.jhb@freebsd.org> In-Reply-To: <20070104040727.GD21325@deviant.kiev.zoral.com.ua> References: <20070103141820.GA1014@grosbein.pp.ru> <200701031601.05541.jhb@freebsd.org> <20070104040727.GD21325@deviant.kiev.zoral.com.ua>
next in thread | previous in thread | raw e-mail | index | archive | help
On Wednesday 03 January 2007 23:07, Kostik Belousov wrote: > On Wed, Jan 03, 2007 at 04:01:04PM -0500, John Baldwin wrote: > > On Wednesday 03 January 2007 09:18, Eugene Grosbein wrote: > > > Hi! > > > > > > I try to find bugs in 6.2-PRERELEASE by using it (q) :-) > > > The question is: are kernel options WITNESS/WITNESS_KDB expected > > > to be in usable kernel? I don't worry about performance overhead here. > > > > > > The problem is, I've found this is nearly impossible to run > > > my home system with RELENG_6 build from yesterday's sources, > > > X.org 6.9.0, mplayer etc. without panicing and crashdump generation > > > after an hour or so. Just switch from X to vty and logon gave me another > > > LOR and crashdump. One of these you can see here: > > > > > > http://www.freebsd.org/cgi/query-pr.cgi?pr=kern/107455 > > > > > > Perhaps, I should not use these options for everyday STABLE use? > > > > > > Eugene > > > > I think you are running into devfs bugs actually. > > I would suggest that the problem may be in the nvidia driver instead. > It seems to be related to dev cloning. > > Anyway, obtaining exact location of fault in devfs_populate_loop (either > with crashdump/kgdb or manually) would be first step. I know of at least one devfs cloning bug the nvidia driver ran into that phk@ verified is a bug in devfs, but I can't understand the patch well enough. I'll forward you the details. -- John Baldwin
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?200701041250.17335.jhb>