Re: [PATCH 5.10 187/593] ACPI: resources: Add checks for ACPI IRQ override

From: Greg Kroah-Hartman
Date: Fri Jul 16 2021 - 00:33:22 EST


On Fri, Jul 16, 2021 at 04:13:06AM +0000, Jamie Heilman wrote:
> Greg Kroah-Hartman wrote:
> > On Thu, Jul 15, 2021 at 08:49:38AM +0000, Jamie Heilman wrote:
> > > Greg Kroah-Hartman wrote:
> > > > From: Hui Wang <hui.wang@xxxxxxxxxxxxx>
> > > >
> > > > [ Upstream commit 0ec4e55e9f571f08970ed115ec0addc691eda613 ]
> > > >
> > > > The laptop keyboard doesn't work on many MEDION notebooks, but the
> > > > keyboard works well under Windows and Unix.
> > >
> > > This patch makes my EPIA VIA Esther system stop booting correctly.
> > > Reverting it returns things to normal operation. The symptoms are
> > > pretty strange. When the kernel hands off to init I get none of the
> > > usual output from userspace, but I still get the occasional message
> > > from the kernel as modules load. Despite some processes continuing on
> > > in the background, I'm never able to ssh into the host, and it never
> > > displays a getty on serial console like it should. Sending a break
> > > and a command key over serial doesn't work like it should either.
> > > I've found I was able to somewhat get a little bit of IO if I plugged
> > > in a keyboard or unplugged it, like just jiggling the handle of the
> > > usb hot plug routines was enough to get my system to reboot so I only
> > > had to resort to hard resets a few times. At any rate, maybe this
> > > patch wasn't really ready for stable.
> >
> > Do you also have the same problem with 5.14-rc1?
>
> I'm afraid so.

That's great! Please work with the developers involved to get this
fixed in 5.14-rc1 and we can take the fix into the stable tree as well.

Unless the developers want us to revert this in stable trees now?

thanks,

greg k-h