Re: system lock up issue

Replying to self, I've done some more testing and can now lock the
system with a trivial example:

while [ 1 ]; do dvgrab --format jpeg cam --duration 0.01
--jpeg-overwrite; done

I see it capture around 7 images and then the machine freezes up.

On Sat, 2004-04-24 at 12:12, Tony A. Lambley wrote:
> Hi, I've been experiencing a frozen machine when using 1394. It was
> intermittent when using dvgrab to serve single images over http, but I
> can now trigger it on demand with gnomemeeting and the AVC plug-in. The
> gnomemeeting details can be found at:
> http://bugzilla.gnome.org/show_bug.cgi?id=140978
>
> dvgrab and kino can successfully capture full tapes without incident.
> But gnomemeeting only manages to grab a few frames before the system
> locks. Once frozen, everything seems to be dead, i.e. I cannot log on
> via the network, it won't respond to ICMP, and the keyboard is dead.
> Nothing is printed on the console. The only option is to power cycle.
>
> I've tried a remote tail -f on /var/log/messages, and the freeze happens
> so quick, nothing new comes up.
>
> Kernel is an unpatched 2.6.5 (also freezes on 2.6.6-rc2)
>
> libraw1394-5 is reported to be version 0.10.1-1 by dpkg
>
> driver is ohci
>
> lspci reports:
> FireWire (IEEE 1394): NEC Corporation uPD72874 IEEE1394 OHCI 1.1 3-port
> PHY-Link Ctrlr (rev 01)
>
> I have 1394 debug on, here's what is logged from the point where I
> trigger the lock up:

<snip>

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Received on Mon Apr 26 19:27:59 2004