Re: [Xen-devel] more dom0 crash, no dump

[Derek Glidden <dglidden@xxxxxxxxxxxxxxx>]

On Jul 17, 2004, at 4:25 AM, Keir Fraser wrote:

> You could try building Xen with 'debug=y make'. That adds a load more
> diagnostic messages. How does DOM0 die? If it crashed out completely
> then the machine would reboot - so presumably it is hanging? That
> would be harder to debug.
I'll give that a try.  I'm not sure what it's doing exactly.  I've been 
logged in via ssh, four VMs running all doing compiling or something 
equally taxing on the hardware, then start something that does a lot of 
i/o on the dom0 host and I'll get booted out and find that the dom0 
host no longer responds to ping or anything else, but nothing on the 
console indicating any problems.  Then it reboots.  Once the VMs all 
stayed alive until I walked to the physical console and tapped the 
"enter" key a couple of times, at which point the whole machine 
rebooted.  This has happened three or four times now, so I'm pretty 
sure I can make it happen again.
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