Messages in this thread | | | Date | Fri, 5 Jun 2020 11:02:45 -0700 (PDT) | From | Christian Kujau <> | Subject | Re: 5.7.0 / BUG: kernel NULL pointer dereference / setup_cpu_watcher |
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On Fri, 5 Jun 2020, Jürgen Groß wrote: > Do you happen to start the guest with vcpus < maxvcpus?
Indeed, I was booting with vcpus=2, maxvcpus=4. Setting both to the same value made the domU boot.
> If yes there is already a patch pending for 5.8: > https://git.kernel.org/pub/scm/linux/kernel/git/xen/tip.git/commit/?h=for-linus-5.8&id=c54b071c192dfe8061336f650ceaf358e6386e0b
Applied that manually and now the system boots even with vcpus < maxvcpus. So, if this still matters:
Tested-by: Christian Kujau <lists@nerdbynature.de>
Thank you for your response, and the fix!
Christian. -- BOFH excuse #146:
Communications satellite used by the military for star wars.
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