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Date:      Tue, 29 Nov 2005 19:01:30 -0500
From:      John Baldwin <jhb@freebsd.org>
To:        freebsd-current@freebsd.org
Cc:        Mark Atkinson <atkin901@yahoo.com>
Subject:   Re: problems with -current
Message-ID:  <200511291901.31545.jhb@freebsd.org>
In-Reply-To: <dmip46$j1o$1@sea.gmane.org>
References:  <438C9FCF.7080405@savvis.net> <200511291804.11041.jhb@freebsd.org> <dmip46$j1o$1@sea.gmane.org>

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On Tuesday 29 November 2005 06:44 pm, Mark Atkinson wrote:
> John Baldwin wrote:
> > On Tuesday 29 November 2005 05:51 pm, Mark Atkinson wrote:
> >>John Baldwin wrote:
> >>>On Tuesday 29 November 2005 05:04 pm, Mark Atkinson wrote:
> >>>>Rainer Alves wrote:
> >>>>>On 11/29/05, Maksim Yevmenkin <maksim.yevmenkin@savvis.net> wrote:
> >>>>>>dear hackers,
> >>>>>>
> >>>>>>after cvsup'ing recent current (as of yesterday evening pst) and
> >>>>>>building/installing new kernel/world i started having problems:
> >>>>>>
> >>>>>>problem 1: startx simply reboots my laptop. i can see x coming up,
> >>>>>> then after just a few seconds my laptop reboots. no window manager,
> >>>>>> no nothing. my laptop is a dell with some radeon video card. will
> >>>>>> provide more details on request.
> >>>>>>
> >>>>>>problem 2: when system is booted and filesystem is not clean fsck is
> >>>>>>started and checks all dirty filesystems. then boot process continu=
es
> >>>>>>as usual, however root filesystem is still mounted read-only, i.e.
> >>>>>>
> >>>>>>--->  /dev/ad0s1a on / (ufs, local, read-only)  <---
> >>>>>>devfs on /dev (devfs, local)
> >>>>>>/dev/ad0s1d on /tmp (ufs, local, soft-updates)
> >>>>>>/dev/ad0s1f on /usr (ufs, local, soft-updates)
> >>>>>>/dev/ad0s1e on /var (ufs, local, soft-updates)
> >>>>>>linprocfs on /usr/compat/linux/proc (linprocfs, local)
> >>>>>>devfs on /var/named/dev (devfs, local)
> >>>>>>
> >>>>>>so, anyone sees this as well or its just me.
> >>>>>>
> >>>>>>thanks,
> >>>>>>max
> >>>>>
> >>>>>Same thing here.. it's probably related to the huge DRM changes
> >>>>>commited yesterday by anholt@.
> >>>>>I'll try to enable some debugging stuff and see what's going on...
> >>>>
> >>>>I just cvsup'd to 2005.11.28.23.00.00, rebuilt and reinstalled, which
> >>>>should be just before the commit:
> >>>>
> >>>>anholt      2005-11-28 23:13:57 UTC
> >>>>
> >>>>and starting X still reboots my machine.  I'm reverting the kernel now
> >>>>to 8am UTC from the 28th, and if that still fails I'm going back about
> >>>> 7 to 10 days.
> >>>
> >>>Hook up a serial console so you can see the panic message.  Make sure
> >>>kdb/ddb, etc. are in your kernel so you can get a trace.
> >>
> >>the box is out and out resetting.  I already have ddb, etc.. (which is
> >>why I noticed the LOR on so_snd earlier with the same kernel.   Will
> >>setting up comconsole on this box really give me a panic and not reset
> >>with X running?
> >
> > Yes.  When X is running, we don't drop into the debugger, it just
> > reboots.
>
> Very good to know!  I'm curious why we don't dump to the dumpdev at this
> point however?

That's a bug.  :)  My guess is it comes from the KDB stuff and kdb_trap() i=
s=20
probably bailing too early and not doing the dump if it can't get a console.

> I just finished a kernel from Nov 28 0800 UTC and no reset with
> comconsole.  It is possible that my update to 23:00:00 caught part but
> not all of a big commit finished at 23:13 UTC.
>
> Now trying with the old 23:00:00 kernel... [boots.. startx]  Hehe.
> Guess what?
>
> it's the uipc_socket panic.

Hah, yes, X uses sockets, so it should hopefully be fixed now.

=2D-=20
John Baldwin <jhb@FreeBSD.org> =A0<>< =A0http://www.FreeBSD.org/~jhb/
"Power Users Use the Power to Serve" =A0=3D =A0http://www.FreeBSD.org



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