Date: Thu, 25 May 2006 13:49:55 -0400 From: John Baldwin <jhb@freebsd.org> To: Pawel Worach <pawel.worach@gmail.com> Cc: freebsd-current@freebsd.org Subject: Re: callout_reset page fault panic Message-ID: <200605251349.55945.jhb@freebsd.org> In-Reply-To: <4474C07E.5060905@gmail.com> References: <446F1806.4050301@gmail.com> <200605241406.28235.jhb@freebsd.org> <4474C07E.5060905@gmail.com>
next in thread | previous in thread | raw e-mail | index | archive | help
On Wednesday 24 May 2006 16:22, Pawel Worach wrote: > John Baldwin wrote: > > On Saturday 20 May 2006 09:22, Pawel Worach wrote: > >> One day old CURRENT, i368 UP. Died while installing some ports and > >> running mplayer. vmcore and kernel available (minidumps kick ass!). > >> > >> Unread portion of the kernel message buffer: > >> kernel trap 12 with interrupts disabled > > > > I think the previous 'struct callout' on the callout wheel > > is unmapped, maybe a kernel module was unloaded and it forgot > > to do a callout_stop() or callout_drain() or somehow did a > > callout_reset() after doing the stop() or drain()? > > > > If nothing was unloaded automagically it's unlikely. It could have been free'd perhaps and the page later subsequently unmapped from KVA? (Not sure if that can happen.) -- John Baldwin
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?200605251349.55945.jhb>