Re: Crash in CentOS 7 kernel-3.10.0-514.16.1.el7.x86_64 in Xen PV mode

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On Tue, Oct 24, 2017 at 3:36 AM, Akemi Yagi <amyagi@xxxxxxxxx> wrote:
On Mon, Oct 23, 2017 at 11:08 PM, Akemi Yagi <amyagi@xxxxxxxxx> wrote:
On Mon, Oct 23, 2017 at 12:57 PM, Karl Johnson <karljohnson.it@xxxxxxxxx> wrote:
On Sat, May 20, 2017 at 8:30 PM, Sarah Newman <srn@xxxxxxxxx> wrote:
I experienced a bug that is likely the same as https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1350373 . Commit
b7dd0e350e0bd4c0fddcc9b8958342700b00b168 , which is supposed to fix it, doesn't appear in this kernel and doesn't apply cleanly either.
Is there any point in trying to backport the patch?

I had the same kernel panic while booting a PV domU on 3.10.0-693.2.2.el7.centos.plus.x86_64. I had to start the domU again to boot correctly. Can this patch be added to the CentOS 7 kernel-plus?

Karl
 
​I can certainly add the patch (commit b7dd0e350e0bd4c0fddcc9b8958342700b00b168) to the Plus kernel.​ It would be best if you could file a request on http://bugs.centos.org so that we can track it better.

Akemi

​A CentOSPlus kernel ​set with the referenced patch applied is available for testing at:

https://people.centos.org/toracat/kernel/7/plus/xen/

Feedback appreciated,

Akemi

Thanks for the build Akemi. I will try to test this kernel in the next days however it will be hard to know if it fix the kernel panic because I can't reproduce it. It's seems to be random and pretty rare in my case.
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