Re: [Qemu-devel] [PATCH 0/1] Fixup for DASD geometry detection

[Kevin Wolf]

Am 14.12.2015 um 16:41 hat Christian Borntraeger geschrieben:
> Kevin,
> 
> here is a fixup for the geometry detection. We tried to be overly
> clever and calculate the cyclinder size for devices > 64k cyls. Now
> this is wrong for the cyls parameter as the interface only has
> 16bit. Large DASD devices have a special token (0xfffe) that 
> indicate to the DASD related code, that you have to calculate
> the cyls size yourself.
> 
> Without this patch QEMU cannot pass through bigger DASD disks
> and complains "cyls must be between 1 and 65535"

Thanks, applied to the block branch.

Kevin