Re: Xen in ARM environment networking overload issue

[Oleshii Wood <oleshiiwood@xxxxxxxxx>]

Hi Julien,

I do not think this patch actually affects this behaviour.

But I will check.

Regards,

Oleg

ср, 31 авг. 2022 г. в 22:31, Julien Grall <julien@xxxxxxx>:

On 30/08/2022 14:09, Oleshii Wood wrote:
> Hello guys,

Hello,

>
> The same issue migh be found by link
> https://xen.markmail.org/message/3w4oqeu5z7ryfbsb?q=xen_add_phys_to_mach_entry&page=1
> <https://xen.markmail.org/message/3w4oqeu5z7ryfbsb?q=xen_add_phys_to_mach_entry&page=1>

The link also contains a pointer to a patch which is...

>
> DOM0/DOMU kernels version 5.15.19

... not included in 5.15.19 but is at least included in the latest
stable version for 5.15 (5.15.63).

Please update the latest v5.15.X and check if this issue is still present.

[...]

> It is produced unconditionally. In  the above mentioned condition this
> output
> degrades the performance drastically.

The error message is a sign something went horribly wrong. The right
solution is to find the root cause rather than...

> I may offer a patch which decreases the amount of messages.

... decreasing the verbosity.

Cheers,

--
Julien Grall