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Re: Debian 10, xen 4.11 reliability





On Thursday, July 9, 2020, Casper <kl@xxxxx> wrote:
> Hello,
>
> I have used Debian/Xen dom0 for many years, Debian 7, 3.2.41 kernel with Xen 4.1.4 on some servers still work very reliable with no problems, only wanted to change new hard discs pushed me to install new Debian 10 with Xen packages to newer version.
>
> Where I reinstall Debian 10, latest 4.19 kernel it comes with Xen 4.11.4-pre all crashes in 1-2weeks. In start I was blaming HW, but now it repeats in old reliable servers too. My config is I have 2-3 hard discs per server node and RAID1 with sw md raid, it crashes with md lost access for disc. After reboot all works as it should.
>
> I tested different HW and discs, all the same problems.
> Loads are no big, just few testing DomU nodes.
> Any suggestion? I`m currently running latest Debian kernel 4.19 was thinking to downgrade to test different kernel.
> Or problem with Debian Xen package as it not so popular anymore?
> Any suggestion what to test to figure out problem?
>
> Sincerely,
> Casper
>
>

Just a blind shoot - which scheduler are you using? If credit2, try credit legacy.

https://wiki.gentoo.org/wiki/Xen#Xen_domU_hanging_with_Xen_4.12.2B

 


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