Re: "default" watchdog device - ?
On 15/03/2022 11:21, Daniel P. Berrangé wrote:
On Tue, Mar 15, 2022 at 10:39:50AM +0000, lejeczek wrote:
> Hi guys.
>
> Without explicitly, manually using watchdog device for a VM, the VM (centOS
> 8 Stream 4.18.0-365.el8.x86_64) shows '/dev/watchdog' exists.
> To double check - 'dumpxml' does not show any such device - what kind of a
> 'watchdog' that is?
The kernel can always provide a pure software watchdog IIRC. It can be
useful if a userspace app wants a watchdog. The limitation is that it
relies on the kernel remaining functional, as there's no hardware
backing it up.
Regards,
Daniel
many thanks Daniel
Is qemu's watchdog configurable just like on bare-metal?
Perhaps same very way - via/in BIOS?
L.