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Date: Mon, 11 Oct 2010 21:43:42 +0300
From: Ivan Klymenko <fidaj@ukr.net>
To: Garrett Cooper <gcooper@FreeBSD.org>
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Cc: freebsd-current@freebsd.org, Andriy Gapon <avg@icyb.net.ua>
Subject: Re: system hangs after logging into gdm
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=D0=92 Mon, 11 Oct 2010 08:37:05 -0700
Garrett Cooper <gcooper@FreeBSD.org> =D0=BF=D0=B8=D1=88=D0=B5=D1=82:

> On Mon, Oct 11, 2010 at 2:04 AM, Andriy Gapon <avg@icyb.net.ua> wrote:
> > on 11/10/2010 10:59 Ivan Klymenko said the following:
> >> =D0=92 Sun, 10 Oct 2010 15:37:55 -0700
> >> Garrett Cooper <gcooper@FreeBSD.org> =D0=BF=D0=B8=D1=88=D0=B5=D1=82:
> >>
> >>> On Sun, Oct 10, 2010 at 3:08 PM, Ivan Klymenko <fidaj@ukr.net>
> >>> wrote:
> >>>> Hi!
> >>>>
> >>>> My system has an svn r213507
> >>>>
> >>>> FreeBSD nonamehost 9.0-CURRENT FreeBSD 9.0-CURRENT #0 r213507:
> >>>> Sun Oct 10 22:43:18 EEST 2010
> >>>> root@nonamehost:/usr/obj/usr/src/sys/mk9 amd64
> >>>>
> >>>> after upgrading to r213666 my system hangs after logging into gdm
> >>>>
> >>>> had to go back to r213507
> >>>
> >>> What video driver are you using?
> >>> -Garrett
> >>>
> >>>
> >>
> >> NVIDIA Driver Version: 260.19.06
> >>
> >> but Xorg successfully starts and GDM login screen appears
> >> system hangs after a few seconds after entering the password ...
> >> I noticed the following: gvfsd does not create a directory of the
> >> form / var/tmp/gvfs-<username>-<hash> may hang system due to gvfsd?
>=20
>     That seems a bit interesting.
>     The other thing you can do is start running a binary search on the
> breakage because you have a range of good versions vs bad versions to
> look through.
>=20
> > If you can access the system remotely or quickly switch to console,
> > then you should be able to examine state of your system and get
> > some facts.
>=20
>     If you have ddb compiled into the kernel (and you should) try
> CTRL-ALT-ESC after the lockup. You may also want to try KGDB instead,
> which would require a serial connection (RS-232 or IEEE-1394).
> HTH,
> -Garrett


Thank you!

I'll try to recompile the kernel with DDB shortly and after blocking
press ctrl+alt+esc, which would show the trace output...