dumpon and gmirror = ioctl(DIOCSKERNELDUMP): Operation not supported

[Pawel Jakub Dawidek]

On Tue, Mar 22, 2005 at 05:45:16PM -0300, Marcus Grando wrote:
+> Hi,
+> 
+> I try run dumpon on swap partition in gmirror disk. But that's not 
+> possible. This error occurs:
+> 
+> # dumpon -v /dev/mirror/datas1b
+> dumpon: ioctl(DIOCSKERNELDUMP): Operation not supported
+> 
+> It's possible to use dumpon with gmirror disk? Any patch?

No, you cannot dump on GEOM providers such as gmirror's provider,
because GEOM needs context switching.

You can try to dump on one of the mirror components (the one with
the biggest priority).

-- 
Pawel Jakub Dawidek                       http://www.wheel.pl
pjd at FreeBSD.org                           http://www.FreeBSD.org
FreeBSD committer                         Am I Evil? Yes, I Am!
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