On Wed, Oct 22, 2025 at 07:52:53AM +0200, Peter Schneider wrote:
> Hi Greg,
> 
> 
> Am 22.10.2025 um 07:28 schrieb Greg Kroah-Hartman:
> > On Wed, Oct 22, 2025 at 06:49:21AM +0200, Thorsten Leemhuis wrote:
> > > On 10/21/25 21:50, Greg Kroah-Hartman wrote:
> > > > 6.17-stable review patch.  If anyone has any objections, please let me 
> > > > know.
> > > > 
> > > > ------------------
> > > > 
> > > > From: Thomas Zimmermann <[email protected]>
> > > > 
> > > > commit 6f719373b943a955fee6fc2012aed207b65e2854 upstream.
> > > > 
> > > > Blank the display by disabling sync pulses with VGACR17<7>. Unblank
> > > > by reenabling them. This VGA setting should be supported by all Aspeed
> > > > hardware.
> > > 
> > > TWIMC, a regression report about 6.18-rc2 that was bisected to this
> > > commit just came in:
> > > 
> > > https://lore.kernel.org/all/[email protected]/
> > > 
> > > To quote:
> > > 
> > > """
> > > I have encountered a serious (for me) regression with 6.18-rc2 on my
> > > 2-socket Ivy Bridge Xeon E5-2697 v2 server. After
> > > booting, my console screen goes blank and stays blank. 6.18-rc1 was
> > > still fine.
> > > 
> > > [...]
> > > 
> > > When I revert this from 6.18-rc2, the issue goes away and my console
> > > screen works again.
> > > """
> > 
> > Thanks, I'll go drop this patch from the stable queues for now.
> > 
> > greg k-h
> 
> 
> So Thorsten (thanks!) was 20 minutes quicker ;-) But I just tested this with
> 6.12.55-rc1 and 6.17.5-rc1, too, and can confirm that this offending patch
> breaks VGA on my machine, and that reverting just this patch against either
> RC makes the issue go away.
> 
> I'll retest -rc2 too when it's out.

Should be out now, thanks!

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