Messages in this thread | | | Subject | Re: [Xen-devel] [PATCH] xen: Remove event channel notification through Xen PCI platform device | From | David Vrabel <> | Date | Fri, 30 Sep 2016 15:46:15 +0100 |
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On 26/08/16 22:55, KarimAllah Ahmed wrote: > Ever since commit 254d1a3f02eb ("xen/pv-on-hvm kexec: shutdown watches > from old kernel") using the INTx interrupt from Xen PCI platform device for > event channel notification would just lockup the guest during bootup. > postcore_initcall now calls xs_reset_watches which will eventually try to read > a value from XenStore and will get stuck on read_reply at XenBus forever since > the platform driver is not probed yet and its INTx interrupt handler is not > registered yet. That means that the guest can not be notified at this moment of > any pending event channels and none of the per-event handlers will ever be > invoked (including the XenStore one) and the reply will never be picked up by > the kernel.
Applied to for-linus-4.9, thanks.
David
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