Re: [Xen-devel] blktap2 not working with xen-3.5 unstable

[Daniel Stodden <daniel.stodden@xxxxxxxxxx>]

On Sat, 2010-02-27 at 17:59 -0500, Daniel Stodden wrote:
> On Sat, 2010-02-27 at 17:17 -0500, Ashish Bijlani wrote:
> > Hi,
> > 
> > Tapdisk2 utility on xen-3.5  unstable (last changeset 20445) fails in
> > "tapdisk_init_queue" with error code -22:
> > 
> > #sudo ./tools/blktap2/drivers/tapdisk2 -n aio:/nfs/hd.img
> > unrecognized child response
> > 
> > Any ideas what changesets after #20445 fixes this problem.
> 
> changeset:   20927:b882c558d4e4
> user:        Keir Fraser <keir.fraser@xxxxxxxxxx>
> date:        Thu Feb 11 19:50:42 2010 +0000
> summary:     blktap2: disable presently broken memshr extension

Likely depends on:

changeset:   20782:5b45d08b7abf
user:        Keir Fraser <keir.fraser@xxxxxxxxxx>
date:        Tue Jan 12 07:01:21 2010 +0000
summary:     blktap: make memshr optional

Running pvops?

changeset:   20872:b0ffb4912c46
user:        Keir Fraser <keir.fraser@xxxxxxxxxx>
date:        Fri Jan 29 08:55:27 2010 +0000
summary:     blktap2: Prefer AIO eventfd support on kernels >= 2.6.22

changeset:   20871:218026df8d5f
user:        Keir Fraser <keir.fraser@xxxxxxxxxx>
date:        Fri Jan 29 08:54:51 2010 +0000
summary:     blktap2: Separate tapdisk raw I/O into different backends.

changeset:   20870:f2ef85551a09
user:        Keir Fraser <keir.fraser@xxxxxxxxxx>
date:        Fri Jan 29 08:54:22 2010 +0000
summary:     blktap2: Sort out tapdisk AIO init.

changeset:   20869:07f33d124053
user:        Keir Fraser <keir.fraser@xxxxxxxxxx>
date:        Fri Jan 29 08:53:52 2010 +0000
summary:     blktap2: Sort out tapdisk IPC init.


Daniel


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