Re: [Xen-users] Random page allocation failures when block-attaching an LVM snapshot

[Juergen Gross <jgross@xxxxxxxx>]

On 05.09.19 10:44, Karol Jędrzejczyk wrote:
> Dear list,
> I have dozens of DomUs on several Debian Dom0s. I do backups of them by 
> taking LVM snapshots on Dom0 and attaching them to DomU. Occasionally 
> the block-attach fails with page allocation failure in DomU:
> Sep  4 20:13:38 openvpn kernel: [696863.453080] xenwatch: page 
> allocation failure: order:5, 
You want upstream Linux kernel commit 1d5c76e66433382a1e170d in your
guest kernels. This is part of Linux 5.2, there are stable backports
in 5.1.9 and 4.19.50.


Juergen

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