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On 17.05.13 at 10:11, Eugene Istomin wrote: yesterday i discovered regression in xen on 3.9.2 (http://lists.xen.org/archives/html/xen-devel/2013-05/msg01746.html)

Neither here nor there you said what the baseline is (i.e. what the last kernel was that didn't have that regression).

Can you apply this patches to kernel-xen?

Patches get applied to all kernels, or none of them. Furthermore, in the mail above you (validly) ask whether you problem might be related to those patches - did you meanwhile gain any knowledge that they in fact are? If not, are you expecting us to apply patches "just in case"?

1) https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git/commit/?id=... aaf6d3d3d1e95f4be07e32dd84aa1c93855fbbd

To me this doesn't look like something suitable for backporting, but our networking people would need to decide this anyway.

2) https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git/commit/?id=... ecd1a75d977e2e8c48139c7d3efed183f898d94

The equivalent of this applicable to our kernel already is in our master branch.

3) https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git/commit/?id=... 810e5b9a7731ca5fce22bfbe12c96e16ac44b6f

This patches code that doesn't get built in our kernel. Furthermore this is a backend patch, but the crash you reported is in the frontend. Nevertheless the plan is to have similar code in our kernel, I just didn't get around to do the porting work yet.

4) https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git/commit/?id=... 3393fd5cc2b6cdeec32b704ecba64dbb0feae3c

The equivalent of this applicable to our kernel again already is in our master branch.

5) https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git/commit/?id=... 9ccb4ebbc35e36a3c143f2d1355deb75c2e628f

I'm going to avoid that mistake in the first place when porting the patch listed as 3) above. All in all, from what I can tell so far, patches 2-5 are unrelated to your problem. Jan -- To unsubscribe, e-mail: opensuse-kernel+unsubscribe@opensuse.org To contact the owner, e-mail: opensuse-kernel+owner@opensuse.org

>>> On 17.05.13 at 10:59, Jan Beulich wrote:
>>>> On 17.05.13 at 10:11, Eugene Istomin  wrote:
> > 3) 
> > https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git/commit/?id=2 
> > 810e5b9a7731ca5fce22bfbe12c96e16ac44b6f
> 
> This patches code that doesn't get built in our kernel. Furthermore
> this is a backend patch, but the crash you reported is in the frontend.
> 
> Nevertheless the plan is to have similar code in our kernel, I just
> didn't get around to do the porting work yet.

Just wanted to let you know that our master branch now has these
changes. Nevertheless (as said later in this thread) I don't think the
lack thereof is responsible for the frontend crashes you observe,
but you're welcome to give those changes a try.

Jan

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