linux-kernel - Re: spurious mce Hardware Error messages in next-20250912

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Message-ID: <426097525d5f9e88a3f7e96ce93f24ca27459f90.camel@web.de>
Date: Mon, 15 Sep 2025 23:43:26 +0200
From: Bert Karwatzki <spasswolf@....de>
To: Yazen Ghannam <yazen.ghannam@....com>
Cc: Borislav Petkov <bp@...en8.de>, Tony Luck <tony.luck@...el.com>, 
	linux-kernel@...r.kernel.org, linux-next@...r.kernel.org, 
	linux-edac@...r.kernel.org, linux-acpi@...r.kernel.org, x86@...nel.org, 
	rafael@...nel.org, qiuxu.zhuo@...el.com, nik.borisov@...e.com, 
	Smita.KoralahalliChannabasappa@....com, spasswolf@....de
Subject: Re: spurious mce Hardware Error messages in next-20250912

Am Montag, dem 15.09.2025 um 23:03 +0200 schrieb Bert Karwatzki:
> Am Montag, dem 15.09.2025 um 13:55 -0400 schrieb Yazen Ghannam:
> 
> > > 
> > > As these messages do not appear in v6.17-rc5 I bisected the issue 
> > > (from v6.17-rc5 to next-20250912) and found this as the first bad commit:
> > > 
> > > cf6f155e848b ("x86/mce: Unify AMD DFR handler with MCA Polling")
> > 
> > Could you try another recent linux-next build without the MCA updates?
> > 
> > 
> > 
> > It looks like 'next-20250911' doesn't include the commit above.
> > > 
> 
> Somehow I cannot find next-20250911 in my linux-next git:
> 
> $ git checkout next-202509(TAB TAB)
> next-20250901   next-20250902   next-20250905   next-20250908   next-20250912   
> 
> I'm currently re-cloning linux-next.
> 

After re-cloning linux-next I tested next-20250911 and I get no mce error messages
even if I set the check_interval to 10.


Bert Karwatzki
> >