[fedora-arm] Re: Raspberry Pi 4 issues with Fedora Rawhide

Hi Lukas,

Sorry for the delay in reply, it got lost in the mess of my inbox.

> I am writing this email to raise awareness well ahead of the F41 branching
> on August 6 about the bugs I found while running Fedora Rawhide on the RPi 4.
> I have proposed these bugs as blockers for the F41 release:
>
> * gnome-initial-setup: Choosing avatar results in SetIconFile call failed for
> unknown reason [0]
> I proposed this as F41 Final blocker, but this is fairly minor bug and I can
> imagine that we would waive it if not fixed and create a common issue.

TBH that doesn't look RPi specific, does it work if you set SELinux to
permissive? It seems like a perms/access problem to me.

> * gsk: vulkan renderer breaks gtk4 apps on Raspberry Pi 4 and 400 [1]
> GSK now defaults to vulkan and it causes problems on RPi, I initially
> encountered crashing gnome-initial-setup (and later that all GTK4 apps are
> crashing upon startup). Thus I proposed it as a F41 Beta blocker. This
> crashing on app startup will be resolved in the next GTK release, the fix is
> already merged.
> However, there are still issues with GTK4 apps [2], all related to vulkan
> renderer [3] [4] [5]. It is not yet clear if the problems are bugs in GTK or
> mesa. In the end, if proven difficult to fix, we could always switch back to
> older renderer as suggested by Adam during F40 cycle [6].

What is GSK? Was there an official Fedora change for the switch to Vulkan?

> * Raspberry Pi 4 won't wake up from suspend [7]
> Although we don't have a criterion for suspend, I proposed this as a blocker
> bug. I cannot login every time I keep Raspberry Pi idling for 15 minutes and
> I have to restart it, this could also lead to loss of data. This is something
> different compared to the x86_64 situation. On x86_64 we probably wouldn't
> block on suspend on some particular hardware configuration, but I think we
> should block here since we support only a handful of ARM boards.
> Also, suspend on Raspberry Pi OS is disabled, so I'm not sure if suspend on
> Raspberry Pi is something we even want in Fedora.

I am absolutely against blocking on suspend for RPi or any specific
platform, this is completely out of our control and it's not supported
even on downstream kernel forks, it's dependent on issues with closed
FW which is completely out of our control. There's reasons we don't
block on suspend on x86 so I am unsure why we'd explicitly decide to
torture arm maintainers with that.

Peter
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