Re: Xorg doesn't start and some other issues with the RC1 of kernel 6.10

[Greg KH <gregkh@linuxfoundation.org>]

On Fri, May 31, 2024 at 12:16:50PM +0200, Greg KH wrote:
> On Fri, May 31, 2024 at 12:02:15PM +0200, Greg KH wrote:
> > On Fri, May 31, 2024 at 11:19:34AM +0200, Thorsten Leemhuis wrote:
> > > On 31.05.24 11:03, Michael Ellerman wrote:
> > > > Michael Ellerman <mpe@ellerman.id.au> writes:
> > > >> Christian Zigotzky <chzigotzky@xenosoft.de> writes:
> > > >>> On 28.05.24 22:00, Christian Zigotzky wrote:
> > > >>>> Hi All,
> > > >>>>
> > > >>>> Xorg doesn't start anymore since the RC1 of kernel 6.10. We tested it 
> > > >>>> with the VirtIO GPU and with some Radeon cards.
> > > >>>>
> > > >>>> Another error message: Failed to start Setup Virtual Console.
> > > >>>>
> > > >>>> Maybe this is the issue: + CONFIG_ARCH_HAS_KERNEL_FPU_SUPPORT=y
> > > >>>>
> > > >>>> Tested with FSL P5040, FSL P5020, and PASEMI boards.
> > > >>>>
> > > >>>> Could you please test Xorg on your PowerPC machines?
> > > >>>>
> > > >>>> Thanks,
> > > >>>> Christian
> > > >>> I tested the RC1 in a virtual e5500 QEMU PowerPC machine with Bochs VGA 
> > > >>> (-device VGA,vgamem_mb=256) and Xorg doesn't start either.
> > > >>>
> > > >>> Error message: xf86OpenConsole: KDSETMODE KD_GRAPHICS failed 
> > > >>> Inappropriate ioctl for device.
> > > >>
> > > >> That is presumably because of this:
> > > >>   https://lore.kernel.org/all/0da9785e-ba44-4718-9d08-4e96c1ba7ab2@kernel.org/
> > > > 
> > > > Attempting to regzbot this.
> > > > 
> > > > #regzbot introduced: 8c467f330059
> > > > #regzbot monitor: https://lore.kernel.org/all/0da9785e-ba44-4718-9d08-4e96c1ba7ab2@kernel.org/
> > > 
> > > Thx, I already had an eye on this, but thought tracking would not be
> > > needed, as Greg (now CCed) wanted to revert 8c467f3300591a ("VT: Use
> > > macros to define ioctls") two days ago:
> > > https://lore.kernel.org/all/2024052901-police-trash-e9f9@gregkh/
> > > 
> > > But that commit is not yet in -next afaics. :-/
> > > 
> > > /me meanwhile wonders if it would be wise to fix this before -rc2
> > 
> > I do, sorry, been traveling this week with geen vrije tijd.  Will get to
> > it tomorrow.
> 
> Ugh, sorry for the dutch, I have "no free time" because I am studying
> the language this week.  It is bleeding over here into my emails now...

Pull request now sent:
	https://lore.kernel.org/r/Zlq8yMiUBTOisuWp@kroah.com