Need help to find out what caused system crash

Matthew Seaman matthew at
Sat Nov 12 11:29:05 UTC 2016

On 12/11/2016 10:01, Manish Jain wrote:
> I replaced the graphics with a new Radeon R5 230, and things had been 
> looking good the last couple of days. Except that a few minutes ago, the 
> system suddenly crashed. A vmcore has been generated in /var/crash - 
> it's over 700 MB.

Hi, Manish,

Your best bet is to raise a PR with all the detail you can.
freebsd-questions at ... tends not to be read by all of the kernel
developers who might be in a position to help you out.

If you can, try and generate a backtrace according to the instructions in

If nothing else, this should indicate where in the kernel things went
wrong, which will help in directing your report to someone with relevant



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