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Date:   Fri, 16 Jul 2021 04:13:06 +0000
From:   Jamie Heilman <jamie@audible.transient.net>
To:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc:     linux-kernel@vger.kernel.org, Hui Wang <hui.wang@canonical.com>
Subject: Re: [PATCH 5.10 187/593] ACPI: resources: Add checks for ACPI IRQ
 override
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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@canonical.com>
> > > 
> > > [ 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.

-- 
Jamie Heilman                     http://audible.transient.net/~jamie/