Messages in this thread | | | Date | Thu, 03 Jan 2019 14:18:22 +0800 | From | Wei Wang <> | Subject | Re: [PATCH v1 0/2] Virtio: fix some vq allocation issues |
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On 12/28/2018 03:57 PM, Christian Borntraeger wrote: > > On 28.12.2018 03:26, Wei Wang wrote: >> Some vqs don't need to be allocated when the related feature bits are >> disabled. Callers notice the vq allocation layer by setting the related >> names[i] to be NULL. >> >> This patch series fixes the find_vqs implementations to handle this case. > So the random crashes during boot are gone. > What still does not work is actually using the balloon. > > So in the qemu monitor using lets say "balloon 1000" will hang the guest. > Seems to be a deadlock in the virtio-ccw code. We seem to call the > config code in the interrupt handler.
Please try with applying both this series and the "virtio-balloon: tweak config_changed" series that I just sent. This series fixes the ccw booting issue and that series tries to fix the ccw deadlock issue.
Best, Wei
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