[patch] allow crash dumps to Linux swap partitions

Navdeep Parhar nparhar at gmail.com
Sun Feb 19 01:33:18 UTC 2012


On Sat, Feb 18, 2012 at 4:57 PM, Doug Barton <dougb at freebsd.org> wrote:
> On 02/18/2012 16:54, Don Lewis wrote:
>> On 18 Feb, Doug Barton wrote:
>>> On 02/18/2012 09:50, Andrey V. Elsukov wrote:
>>>> I think we can check bp->bio_from field, something like that (not tested):
>>>
>>> That made dumpon happy anyway, thanks!  I'm a bit rusty on "how to cause
>>> a dump on purpose" nowadays .... I'm running 8-stable right now, if
>>> someone wants to give me a hint I'll test this.
>>
>> Break into DDB and type "call doadump".
>
> Yeah, that's what I used to do, but Ctrl-Alt-Esc didn't do anything for
> me. Do I have to compile in options BREAK_TO_DEBUGGER even on a desktop?

You could try a "reboot -d" if all you want is a crash dump.

Navdeep

>
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> Doug
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