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Message-ID: <20240516070315.swz2golcrfp3uvfd@desk>
Date: Thu, 16 May 2024 00:03:15 -0700
From: Pawan Gupta <pawan.kumar.gupta@...ux.intel.com>
To: Kalle Valo <kvalo@...nel.org>
Cc: Borislav Petkov <bp@...en8.de>, Dave Hansen <dave.hansen@...el.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	Dave Hansen <dave.hansen@...ux.intel.com>,
	"Rafael J. Wysocki" <rafael@...nel.org>, x86@...nel.org,
	linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org,
	regressions@...ts.linux.dev,
	Jeff Johnson <quic_jjohnson@...cinc.com>,
	Daniel Sneddon <daniel.sneddon@...ux.intel.com>
Subject: Re: [regression] suspend stress test stalls within 30 minutes

On Wed, May 15, 2024 at 07:47:05PM +0300, Kalle Valo wrote:
> Pawan Gupta <pawan.kumar.gupta@...ux.intel.com> writes:
> 
> > On Wed, May 15, 2024 at 09:44:42AM +0200, Borislav Petkov wrote:
> >> On May 15, 2024 9:22:31 AM GMT+02:00, Pawan Gupta <pawan.kumar.gupta@...ux.intel.com> wrote:
> >> > Other interesting thing to try is cmdline
> >> >"dis_ucode_ldr".
> >> 
> >> Right, is his microcode revision 0xf4 the right one for that model?
> >
> > 0xf4 microcode is not the latest one, the latest is 0xf8:
> >
> > https://github.com/intel/Intel-Linux-Processor-Microcode-Data-Files/blob/main/intel-ucode/06-9e-09
> >
> > Kalle, can you please try with 0xf8 and see if the issue is still present?
> 
> I can't test right now but I'll try to find time later this week, I will
> also reply to other emails then.

After switching to a different machine (same model/stepping as yours) I am
able to boot with the config you shared. Also changed the microcode to 0xf4
so as to match your setup. I am running the suspend test now and will
update in the morning if I could reproduce the hang.

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