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

[Glen <glenbarney@xxxxxxxxx>]

Hi Sarah!

On Mon, Feb 17, 2020 at 9:58 AM Sarah Newman <srn@xxxxxxxxx> wrote:
> On 2/17/20 9:37 AM, Glen wrote:
> > Under 4.12, my guests would crumple after 24-36 hours of this type of 
> > loading.
> > Under 4.10, my guest has been up now for 68 hours and - after about 64
> > hours, the above transfers *completed*.  This has never happened.  No
> > guest under 4.12 has ever survived 4+ simultaneous transfers of 2.5TB
> > of data since I encountered this problem.  They would all stall well
> > before the transfers could complete.  In contrast, under 4.10, my same
> > guest ran at (subjectively) about half the load average, and the
> > transfers all completed, in their entirely, without any stalls.

> 4.10 + which kernel version, just to confirm?

Host:
OpenSuse 15.0
Linux 4.12.14-lp150.12.82-default x86_64
Xen version 4.10.4_06-lp150.2.25

Guest: (unchanged)
OpenSuse 15.1
Linux 4.12.14-lp151.28.36-default x86_64

:-)

Glen

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