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Date: Thu, 29 Aug 2013 20:51:49 +0300
From: Alexander <vsityz@gmail.com>
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29.08.2013 18:39, Jean-Sébastien Pédron пишет:
> On 29.08.2013 17:35, Alexander wrote:
>> in sysctl:
>> kern.coredump: 1
>> kern.corefile: /var/coredumps/%U.%N.%P.core
>>
>> but coredump files not created.
>>
>> How to set for creating core files?
> You must add the following line to your /etc/rc.conf:
> dumpdev="AUTO"
>
> Also add this line to your /etc/sysctl.conf:
> debug.debugger_on_panic=0
>
> The core dump is written to the swap device when the crash occurs.
> During the next boot, it's written to the specified kern.corefile path.
>

I have swapinfo on zfs partition

swapinfo -h
Device                        512-blocks     Used    Avail Capacity
/dev/zvol/zroot/swap   16777216       0B     8.0G     0%

ls -la /dev/zvol/zroot/swap
crw-r-----  1 root  operator  0x8b 29 авг 23:27 /dev/zvol/zroot/swap

in /etc/rc.conf
dumpdev="AUTO"
dumpon_enable="YES"

in /etc/sysctl.conf
# CoreDump
kern.coredump=1
kern.corefile=/var/coredumps/%U.%N.%P.core
kern.sugid_coredump=1

When system booting, on console
No suitable dump device was found.

During the next boot, coredump not created.  :(