Re: [regression] x86/amd_nb in 6.9.6/6.6.35/6.1.95

[Yazen Ghannam <yazen.ghannam@amd.com>]

On Fri, Jun 21, 2024 at 11:29:11PM +0200, Andreas Radke wrote:
> Am Fri, 21 Jun 2024 14:59:20 +0200
> schrieb Greg Kroah-Hartman <gregkh@linuxfoundation.org>:
> 
> > I'm announcing the release of the 6.9.6 kernel.
> > 
> > All users of the 6.9 kernel series must upgrade.
> > 
> > The updated 6.9.y git tree can be found at:
> > 	git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git
> > linux-6.9.y and can be browsed at the normal kernel.org git web
> > browser: https://git.kernel.org/?p=linux/kernel/git/stable/linux-stable.git;a=summary
> > 
> > thanks,
> > 
> > greg k-h
> 
> Subject: x86/amd_nb: Check for invalid SMN reads
> 
> https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/patch/?id=348008f0043cd5ba915cfde44027c59bdb8a6791
> 
> This commit is breaking lid close system suspend
> and opening won't bring the laptop back and no input is possible anymore
> here. I have to hard reboot the laptop. It's a Lenovo Thinkpad T14 Gen1.
> There's nothing in the journal.
> 
> Reverting this commit on top of 6.6.35 allows proper suspend/resume
> again.
> 

Thanks Andy for the report.

Mario,
Any ideas? Maybe something with the platform drivers?

Thanks,
Yazen