[pve-devel] qemu 100% CPU load while hanging / looping in boot process

[Stefan Priebe - Profihost AG]

Am 27.11.2014 um 09:10 schrieb Dmitry Petuhov:
> 27.11.2014 10:46, Stefan Priebe - Profihost AG пишет:
>> Am 26.11.2014 um 21:55 schrieb Dietmar Maurer:
>>>> does anybody know if it is intended that qemu uses a full core while
>>>> hanging in
>>>> the boot process / looping.
>>> AFAIK BIOS code use busy waiting.
>> Any solution or fix for this? This is really annoying.
> Don't let your VMs hang on boot. No other options with PVE. Maybe using
> something else instead of BIOS for guest init would help (OVMF,
> grub-firmware-qemu, etc), but I don't think it will.
> BTW, same happens if your guest linux goes to panic without autoreboot
> enabled.

If you control the VMs yes. But sometimes you do not control them.

Stefan