On Wed, May 25, 2022 at 11:17:39AM +0200, Juergen Gross wrote:
> On 24.05.22 18:45, Demi Marie Obenour wrote:
> > unmap_grant_pages() currently waits for the pages to no longer be used.
> > In https://github.com/QubesOS/qubes-issues/issues/7481, this lead to a
> > deadlock against i915: i915 was wa
On 24.05.22 18:45, Demi Marie Obenour wrote:
unmap_grant_pages() currently waits for the pages to no longer be used.
In https://github.com/QubesOS/qubes-issues/issues/7481, this lead to a
deadlock against i915: i915 was waiting for gntdev's MMU notifier to
finish, while gntdev was waiting for i91
unmap_grant_pages() currently waits for the pages to no longer be used.
In https://github.com/QubesOS/qubes-issues/issues/7481, this lead to a
deadlock against i915: i915 was waiting for gntdev's MMU notifier to
finish, while gntdev was waiting for i915 to free its pages. I also
believe this is re