On Sat, Nov 02, 2024 at 01:46:15AM +0000, Alexander Coffin wrote: > Hi Rodrigo, > > > I'm sorry for that. Our list is moderated for non-subscribers because of > the amount of spams we receive daily. But I eventually got to your msg and > allowed it to go through. > > I am sorry about sending the email twice in that case. In hindsight, I > probably should have subscribed to the list and then sent the email to > avoid this issue, but I don't interact with email lists that often so I > didn't think of doing that. > > > Could you please file a bug in our gitlab? > > Of course. > [1]https://gitlab.freedesktop.org/drm/i915/kernel/-/issues/12677 Very interesting race... Bringing some folks here that could have some ideas. I don't believe that we should be accepting that plane pin call before we finish the probe's initial plane object. Folks, any quick idea? > > > Well, so many things changed from 6.1... Is it possible to test with a > drm-tip kernel and see if it is still reproduced? > > Sorry, I mispoke in my last email that 6.1 is the latest LTS release. 6.6 > is the latest LTS release. 6.1 is the default for Debian though and isn't > considered old there, and that is the kernel that I use on my personal > desktop, personal laptop, server, and work laptop. Nevermind. This part of the code hasn't changed since 6.1, so we likely still have this bug. We usually ask to test a recent kernel so it is easier to backport some know fix. But this is not the case. > > I was hoping that this bug could be debugged (or at least attempted) with > a single deadlock report (that has worked well most other times I have > reported similar issues to kernel maintainers for other drivers). > > If I knew how to recreate this issue I would gladly try out any kernel > version for a quick test. Or if you have any things that you specifically > want me to test then I would be happy to try a newer kernel version. > However, I am not really comfortable daily driving a bleeding edge kernel > version on my work laptop as of right now. I may be able to read through > the source code to try to understand what could be triggering this issue > and then figure out how to use that information to recreate it on a newer > version, but as I don't think I have seen the issue since I reported it > I'm not sure how likely it is that I stumble upon the issue by chance > again. I would feel comfortable daily driving random kernels on my > personal laptop, but I use an XPS 9370 for my personal laptop and I > believe an XPS 15 9530 at work (if this is helpful information I can > double check this and provide more system details) so they aren't the same > hardware (I have no idea if the hardware is relevant). > > Do you know where I could find information on the versions supported by > Intel of the i915 driver? I can't seem to find anything from doing a few > minutes of Google searching. > > Best wishes, > > Alex Coffin > > References > > Visible links > 1. https://gitlab.freedesktop.org/drm/i915/kernel/-/issues/12677
