[OpenWrt-Devel] Using kdump... persistent logs, etc. (Syrone Wong)

[Martin Tippmann]

On Thu, Feb 23, 2017 at 12:13 PM, Bernie McIntosh
<bmcintosh at paceprofessional.co.uk> wrote:
>> Hi,
>>
>> Has anyone managed to use kdump with OpenWRT/LEDE?
>>
>> I have a box which periodically panics, and since /var is a link to /tmp/ there are no persistent logs.  Which reminds me: is it safe to configure a third partition on my CF card, format it as ext3, and mount that as /var/log in /etc/fstab?
>>
>> And how would I modify the build process if I wanted to add additional partitions?
>>
>> Thanks,
>>
>> -Philip
>>
>
> An alternative might be helpful.

Another alternative is Kernel crashlogging - I think it's on by
default and you can get the backtrace from the last panic in
/sys/kernel/debug/crashlog after reboot.

regards
Martin
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