Capture states of all processes at the same time

[Julian Elischer]

On 3/14/12 12:02 PM, Artem Belevich wrote:
> On Wed, Mar 14, 2012 at 11:25 AM, Maninya M<maninya at gmail.com>  wrote:
>> Then typed this to force a panic:
>>
>> sysctl debug.kdb.panic=1
>>
>> The computer just hung after this, and after waiting for a while I pressed
>> the reboot button.
>> It said "no core dumps found" while rebooting.
> First, make sure you have swap space configured. If minidump is not
> enabled (check sysctl debug.minidump) you will need to make sure you
> have more swap space than physical memory.
> Then make sure that dump device is set up correctly. See dumpdev in rc.conf(5)
>
> If that didn't work, you may be running into the issue in PR kern/155421:
> http://www.freebsd.org/cgi/query-pr.cgi?pr=kern%2F155421&cat=
>
> Alas, I don't know what to do about that.

or just do "ps" from ddb and then continue.

you can set things up in 9 (and maybe 8, I don't know) to capture the 
ddb output..


> --Artem
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