drm/fbdev-dma: regression

Thorsten Leemhuis regressions at leemhuis.info
Mon Nov 11 11:51:31 UTC 2024


[CCing a few more lists]

On 21.10.24 15:03, Nuno Gonçalves wrote:
> 
> Since 5ab91447aa13b8b98bc11f5326f33500b0ee2c48 and still happening in
> master, I often get a kernel crash, either a "Unable to handle kernel
> NULL pointer dereference at virtual address" or "Unable to handle
> kernel paging request at virtual address".
> 
> This happens in ARM64 with ili9225 and display size 220, 176. It also
> happens in another board with a different tinydrm driver and size 320,
> 240.
> 
> I've reported in 2022 a bug (that you fixed, thanks!), where it was
> related to screen size causing non alignment of scanlines and pages.
> I've not investigated further this time as I was not doing any driver
> development, but let me know if I can do any further testing.

Thx for the report. I might be missing something, but from here it looks
like nothing happened. So allow me to ask:

What's the status? Did anyone look into this? Is this sill happening?

Ciao, Thorsten (wearing his 'the Linux kernel's regression tracker' hat)
--
Everything you wanna know about Linux kernel regression tracking:
https://linux-regtracking.leemhuis.info/about/#tldr
If I did something stupid, please tell me, as explained on that page.

#regzbot poke


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