8.0 and GPT_PART and core-dump

Patrick Lamaiziere patfbsd at davenulle.org
Fri Jul 17 11:43:51 UTC 2009

Le Fri, 17 Jul 2009 12:27:32 +0200,
Ivan Voras <ivoras at freebsd.org> a écrit :

> When the kernel attempts a dump on the device, do you perhaps see a 
> message like "partition type unsupported?". 

Yes at boot-time :
GEOM_PART: Partition 'ad4p3' not suitable for kernel dumps (wrong type?)

>One thing that's changed
> in GPART is that it will not allow dumps on partitions marked like
> they contain a file system.
> Specifically, if you're using GPT, the dump partition's type needs to
> be either gpt_uuid_freebsd_swap or gpt_uuid_linux_swap. For FreeBSD
> swap, it's 516e7cb5‐6ecf‐11d6‐8ff8‐00022d09712b.

I do not have a GPT partition for the swap. My swap is in ad4p3b
=>       0  85679712  ad4p3  BSD  (41G)
         0   4194304      2  freebsd-swap  (2.0G)


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