kernel Panic not dumping to swap
Patrick Mahan
mahan at mahan.org
Fri Aug 12 20:29:41 UTC 2011
On 8/9/11 10:33 PM, Daryl Sayers wrote:
> I have a FreeBSD 8.2-STABLE (64bit) system with 4G mem installed. I have
> had a few kernel panics over the last few weeks and would like to capture
> a core dump. I have added the following to /etc/rc.conf
>
> dumpdev="AUTO"
> dumpdir=/var/crash
>
> The /var/crash is a 5G filesystem (with 4.8G free).
> When the machine panics the last 2 lines on the console are something like:
>
>
> Physical memory: 3057 MB
> Dumping 204 MB: 189 173 157 141 125
>
>
> The system then completely hangs and a hardware rest is required. As the dump
> does not seem to finish I dont get my core dump in /var/cache when the machine
> reboots.
>
> Any ideas??
>
Daryl,
A couple of questions:
1) How big is your swap partition? Is it large enough to hold the crash dump?
2) What type of hardware is this? I know that HP Proliants using the CISS raid
control fail to produce a crashdump and just hangup these boxes. Perhaps
this occurs for other types of hardware?
Patrick
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