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Re: System goes into complete hang (Was: Is amd64 ready for the desktop?)
I'm seeing full dead stop hangs with amd64. Usually I can trigger
some badness if i try to start the X server more than once between
boots. After finally getting X to NOT blank/dpms off the screen
(system is a dashboard) I've come in this morning to see it fully
The system is on serial console, break does nothing.
NetBSD 4.0 amd64 GENERIC kernel.
The only things running were basic services started by default that I
hadn't yet disabled, and the X server.
(Still debugging why a "su -l display /home/display/bin/startx &" in
rc.local starts X, but not the window manager.)
Update: I've built a kernel with DIAGNOSTIC/DEBUG/DDB and ran into the
issue when I came back to my desk a bit over 4 hours later. Wedged
hard when unattended for 4 hours, idle save for X server.
I've restarted with same kernel, but no X11.
Open to ideas while I wait. :)
On 4/4/08, D'Arcy J.M. Cain <darcy%netbsd.org@localhost> wrote:
> On Thu, 3 Apr 2008 15:18:56 -0400
> "D'Arcy J.M. Cain" <darcy%NetBSD.org@localhost> wrote:
> > On Wed, 2 Apr 2008 17:35:20 +0200
> > Martin Husemann <martin%duskware.de@localhost> wrote:
> > > I didn't follow from the begining - have you tried the usual DEBUG/
> > > DIAGNOSTIC/LOCKDEBUG options? I run into PR 38296 quite a lot, which
> > > would look like a complete deadlock with a kernel missing some of those
> > > options.
> > I added these and the system still locked up. There was no new
> > information. I guess making a serial console is the next step.
> Here's something. I have all those debug variables turned on and now
> my system hangs for a moment approximately every 32.63158 seconds. It
> comes right back but it is very weird. I know thaat this is new
> because playing music stops for a moment when this happens and I listen
> to music on the system all the time with no problem. Is this because of
> the debug variables?
> D'Arcy J.M. Cain <darcy%NetBSD.org@localhost>
"Too bad $VOLUNTEERS don't get their act together and provide
$SOLUTION_TO_VERY_DIFFICULT_PROBLEM in a decent fashion" -- from IRC,
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