DragonFly users List (threaded) for 2007-03
DragonFly BSD
DragonFly users List (threaded) for 2007-03
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Re: vkernel crash?

From: Mike Wolman <mike@xxxxxxxxx>
Date: Tue, 20 Mar 2007 00:41:51 +0000 (GMT)

Unfortunately this is a laptop with no serial - i was very curious when i read about vkernels as a more general replacement for jails so installed dfly on the first free machine i could lay my hands on. I will set up another box with a serial console and kernel config as you suggest to try to provide some useful feedback.

i have continued to try to reproduce the error - even with a fair
amount of network and disk io things were fine.

i assume no chance in the future of net booting a vkernel from iscsi san or will "ANVIL" provide a cleaner solution to having the vkernel/vmachine filesystem available should the actual machine running it die and have some monitoring solution to start the virtual machine on another box?


On Mon, 19 Mar 2007, Matthew Dillon wrote:

:Hi, : :A quick follow up: : :I was unable to see what the actual console was displaying as the :screen was in suspend and i could not awaken it. : :I have tried to repeat the problem for the last few hours and so :far have not been able reproduce the issue. : :Mike.

   There could be something else going on.  Well, keep an eye on it.
   If you have the system setup to generate a kernel core you could
   try building a kernel with:

	options	DDB
	options	DDB_TRACE

   Another option if you have a second machine is to set up a serial console
   with a null modem cable (which is how I have my test box setup), so you
   can see the crash no matter what graphics mode you are in.


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