Re: [PATCH v2 2/3] x86/cpu/intel: Simplify F00F bug notice using pr_notice_once()

[Richard Weinberger]

----- Ursprüngliche Mail -----
> Von: "Maciej W. Rozycki" <macro@xxxxxxxxxxx>
> An: "Christian Ludloff" <ludloff@xxxxxxxxx>
> CC: "richard" <richard@xxxxxx>, "Dave Hansen" <dave.hansen@xxxxxxxxx>, "Sohil Mehta" <sohil.mehta@xxxxxxxxx>, "Ahmed S.
> Darwish" <darwi@xxxxxxxxxxxxx>, "bp" <bp@xxxxxxxxx>, "x86" <x86@xxxxxxxxxx>, "Thomas Gleixner" <tglx@xxxxxxxxxx>,
> "mingo" <mingo@xxxxxxxxxx>, "hpa" <hpa@xxxxxxxxx>, "Josh Poimboeuf" <jpoimboe@xxxxxxxxxx>, "andrew cooper3"
> <andrew.cooper3@xxxxxxxxxx>, "Tony Luck" <tony.luck@xxxxxxxxx>, "linux-kernel" <linux-kernel@xxxxxxxxxxxxxxx>
> Gesendet: Montag, 25. Mai 2026 12:41:00
> Betreff: Re: [PATCH v2 2/3] x86/cpu/intel: Simplify F00F bug notice using pr_notice_once()

> On Fri, 22 May 2026, Maciej W. Rozycki wrote:
> 
>> (now that I've looked at it again, I can see it's 6.13.0 as it's been a
>> while, so maybe it's gone now in 7.x, hmm... will have to check.)
> 
> Yep, still there:
> 
> ------------[ cut here ]------------
> Bad FPU state detected at restore_fpregs_from_fpstate+0x48/0x50, reinitializing
> FPU registers.
> WARNING: at fixup_exception+0x2a1/0x2c0, CPU#1: ld-linux.so.2/9621
> CPU: 1 UID: 500 PID: 9621 Comm: ld-linux.so.2 Tainted: G        W
> 7.0.0-dirty #1 PREEMPT
> Tainted: [W]=WARN
> Hardware name: [...]

Do you see this also in qemu?
I can give your test a try on my dual Pentium system.

Thanks,
//richard