Re: [Xen-users] Xen 4.12 DomU hang / freeze / stall under high network/disk load

[Tomas Mozes <hydrapolic@xxxxxxxxx>]

On Sat, Feb 15, 2020 at 3:58 AM Glen <glenbarney@xxxxxxxxx> wrote:

Tomas -

In your previous report, before I showed up, you wrote:
> I've tried Xen 4.12 and the latest staging Xen 4.13, both behave the same. Doesn't matter if kernel 4.14 or 5.4 is used.

Now PGNet Dev has said:

On Fri, Feb 14, 2020 at 5:54 PM PGNet Dev <pgnet.dev@xxxxxxxxx> wrote:
> When I switched to openSUSE Xen 4.13.0_04 packages with KernelStable (atm, 5.5.3-25.gd654690), Guests of all 'flavors' became *much* better behaved.

They used a later kernel than you cited - I'm wondering about the
relationship between their "Xen 4.13.0_04" and your "latest staging
Xen 4.13".

Any thoughts or insight there?

Thanks!
Glen

Glen,

I've used release 4.13.0 with all patches from the staging-4.13 branch:

https://xenbits.xen.org/gitweb/?p=xen.git;a=shortlog;h=refs/heads/staging-4.13

IIRC it was commit https://xenbits.xen.org/gitweb/?p=xen.git;a=commit;h=721f2c323ca55c77857c93e7275b4a93a0e15e1f

I'd prefer to stick to kernel 5.4 as it's the latest LTS. I don't really know what "much better behaved" means. With xen 4.11 I have no issues with Xen and anything newer is causing stalls, so in my case it's either all good or bad on selected busy hosts :)

Tomas

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