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From: "Jürgen Groß" <jgross@suse.com>
To: "Marek Marczykowski-Górecki" <marmarek@invisiblethingslab.com>,
	xen-devel <xen-devel@lists.xenproject.org>
Subject: Re: Linux PV/PVH domU crash on (guest) resume from suspend
Date: Wed, 17 Feb 2021 07:51:42 +0100	[thread overview]
Message-ID: <0b71a671-592a-53ab-6b4a-1fe15b9eb453@suse.com> (raw)
In-Reply-To: <YCylpKU8F+Hsg8YL@mail-itl>


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On 17.02.21 06:12, Marek Marczykowski-Górecki wrote:
> Hi,
> 
> I'm observing Linux PV/PVH guest crash when I resume it from sleep. I do
> this with:
> 
>      virsh -c xen dompmsuspend <vmname> mem
>      virsh -c xen dompmwakeup <vmname>
> 
> But it's possible to trigger it with plain xl too:
> 
>      xl save -c <vmname> <some-file>
> 
> The same on HVM works fine.
> 
> This is on Xen 4.14.1, and with guest kernel 5.4.90, the same happens
> with 5.4.98. Dom0 kernel is the same, but I'm not sure if that's
> relevant here. I can reliably reproduce it.

This is already on my list of issues to look at.

The problem seems to be related to the XSA-332 patches. You could try
the patches I've sent out recently addressing other fallout from XSA-332
which _might_ fix this issue, too:

https://patchew.org/Xen/20210211101616.13788-1-jgross@suse.com/


Juergen

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  reply	other threads:[~2021-02-17  6:51 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-02-17  5:12 Linux PV/PVH domU crash on (guest) resume from suspend Marek Marczykowski-Górecki
2021-02-17  6:51 ` Jürgen Groß [this message]
2021-02-17 13:48   ` Marek Marczykowski-Górecki
2021-02-17 15:37     ` Jürgen Groß
2021-02-19 12:48     ` Jürgen Groß
2021-02-19 13:10       ` Jan Beulich
2021-02-19 13:18         ` Jürgen Groß
2021-02-19 13:37           ` Jan Beulich
2021-02-19 13:41             ` Jürgen Groß

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