linux-kernel - Re: Kernel 6.9 regression: X86: Bogus messages from topology detection

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Date: Fri, 31 May 2024 10:48:04 +0200
From: Thomas Gleixner <tglx@...utronix.de>
To: Christian Heusel <christian@...sel.eu>
Cc: Peter Schneider <pschneider1968@...glemail.com>, LKML
 <linux-kernel@...r.kernel.org>, x86@...nel.org, stable@...r.kernel.org,
 regressions@...ts.linux.dev
Subject: Re: Kernel 6.9 regression: X86: Bogus messages from topology detection

Christian!

On Fri, May 31 2024 at 10:16, Christian Heusel wrote:
>> One of the reporters in the Arch Bugtracker with an Intel Core i7-7700k
>> has tested a modified version of this fix[0] with the static change
>> reversed on top of the 6.9.2 stable kernel and reports that the patch
>> does not fix the issue for them. I have attached their output for the
>> patched (dmesg6.9.2-1.5.log) and nonpatched (dmesg6.9.2-1.log) kernel.
>> 
>> Should we also get them to test the mainline version or do you need any
>> other debug output?

Can I get:

    - dmesg from 6.8.y kernel
    - output of cpuid -r
    - content of /sys/kernel/debug/x86/topo/cpus/* (on 6.9.y)

please?

Thanks,

        tglx