crashinfo doesn't support compressed crashdumps - which way forward?

Alexander Leidinger Alexander at leidinger.net
Sat Jul 21 17:16:08 UTC 2018


Quoting Mark Johnston <markj at freebsd.org> (from Thu, 12 Jul 2018  
14:35:57 -0400):

> On Thu, Jul 12, 2018 at 09:09:02AM -0700, John Baldwin wrote:

>> Yes, here's the patch for 2 which has been tested.  4) is pretty hard
>> to do in practice as you have to basically decompress into RAM when
>> reading the core to do anything useful as opposed to a format that
>> only compressed certain parts (e.g. if the page tables were not
>> compressed only the payload in a minidump, and if it were compressed
>> on some kind of block boundaries so that you could locate a given
>> block and decompress it when reading specific data).  Coming up with
>> such a format would be more useful but requires more work.
>
> That patch looks ok to me, FWIW.  As I pointed out, it's easy enough to
> just disable crashinfo if one doesn't want the extraction to take place.

Hi John,

what about committing this patch?
If you are too busy, do you mind if I commit it?

Bye,
Alexander.

-- 
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