Re: [Regression] CPU stalls and eventually causes a complete system freeze with 6.0.3 due to "video/aperture: Disable and unregister sysfb devices via aperture helpers"

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On Mon, Oct 24, 2022 at 12:41:43PM +0200, Thorsten Leemhuis wrote:
> Hi! Thx for the reply.
> 
> On 24.10.22 12:26, Thomas Zimmermann wrote:
> > Am 23.10.22 um 10:04 schrieb Thorsten Leemhuis:
> >>
> >> I noticed a regression report in bugzilla.kernel.org. As many (most?)
> >> kernel developer don't keep an eye on it, I decided to forward it by
> >> mail. Quoting from https://bugzilla.kernel.org/show_bug.cgi?id=216616 ; :
> >>
> >>>   Andreas 2022-10-22 14:25:32 UTC
> >>>
> >>> Created attachment 303074 [details]
> >>> dmesg
> > 
> > I've looked at the kernel log and found that simpledrm has been loaded
> > *after* amdgpu, which should never happen. The problematic patch has
> > been taken from a long list of refactoring work on this code. No wonder
> > that it doesn't work as expected.
> > 
> > Please cherry-pick commit 9d69ef183815 ("fbdev/core: Remove
> > remove_conflicting_pci_framebuffers()") into the 6.0 stable branch and
> > report on the results. It should fix the problem.
> 
> Greg, is that enough for you to pick this up? Or do you want Andreas to
> test first if it really fixes the reported problem?

This should be good enough.  If this does NOT fix the issue, please let
me know.

thanks,

greg k-h



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