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List:       kvm
Subject:    virtio block drivers not working
From:       Caleb Tennis <caleb () aei-tech ! com>
Date:       2009-03-22 17:58:42
Message-ID: CDD36301-1ED8-4804-BC44-C6FF8D08993E () aei-tech ! com
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I've been very unsuccessful in using the virtio block drivers inside  
of a guest.  I can't seem to make them active.  I'm positive my kernel  
has support for them turned on (not as a module, but as a direct built  
in), but when I change one of my ide drives over to virtio and boot,  
it isn't found, and nothing under /sys or /dev indicates the presence  
of a device.  dmesg doesn't indicate anything about them either.  I DO  
have virtio networking enabled and working, so I know as a whole that  
some of the virtio subsystem is functional.

The only thing I think I'm doing possibly differently than normal is  
using the "-kernel" option to boot up from a kernel image vs. having  
an installed boot image via lilo or grub.  Would this make any  
difference?

Is there any way for me to debug some more as to why the block drivers  
don't seem to be showing up?

Thanks,
Caleb
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