Re: [Xen-devel] [BUG] blkback reporting incorrect number of sectors, unable to boot

[Roger Pau Monné <roger.pau@xxxxxxxxxx>]

On Thu, Nov 09, 2017 at 08:15:52AM -0700, Mike Reardon wrote:
> On Thu, Nov 9, 2017 at 2:30 AM, Roger Pau Monné <roger.pau@xxxxxxxxxx>
> wrote:
> 
> > Please try to avoid top-posting.
> >
> > On Wed, Nov 08, 2017 at 08:27:17PM -0700, Mike Reardon wrote:
> > > So am I correct in reading this that for at least the foreseeable future
> > > storage using 4k sector sizes is not gonna happen?  I'm just trying to
> > > figure out if I need to get some different hardware.
> >
> > Have you tried to use qdisk instead of blkback for the storage
> > backend?
> >
> > You will have to change your disk configuration line to add
> > backendtype=qdisk.
> >
> > Roger.
> >
> 
> Sorry I didn't realize my client was defaulting to top post.
> 
> If I add that to the disk config line, the system just hangs on the ovmf
> bios screen.  This appears in the qemu-dm log:
> 
> 
> xen be: qdisk-51712: xen be: qdisk-51712: error: Failed to get "write" lock
> error: Failed to get "write" lock
> xen be: qdisk-51712: xen be: qdisk-51712: initialise() failed
> initialise() failed

Hm, that doesn't seem related to the issue at hand. Adding Anthony and
Stefano (the QEMU maintainers).

Is there a know issue when booting a HVM guest with qdisk and UEFI?

Roger.

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