linux-kernel - Re: 32 bit qemu regression from v6.5 tip pull [6c480f222128 x86/alternative: Rewrite optimize

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Date:   Thu, 7 Dec 2023 11:52:28 -0500
From:   Paul Gortmaker <paul.gortmaker@...driver.com>
To:     Thomas Gleixner <tglx@...utronix.de>
Cc:     "Linux regression tracking (Thorsten Leemhuis)" 
        <regressions@...mhuis.info>, bp@...en8.de,
        linux-kernel@...r.kernel.org, peterz@...radead.org,
        richard.purdie@...uxfoundation.org, x86@...nel.org,
        Linux kernel regressions list <regressions@...ts.linux.dev>
Subject: Re: 32 bit qemu regression from v6.5 tip pull [6c480f222128
 x86/alternative: Rewrite optimize_nops() some]

[Re: 32 bit qemu regression from v6.5 tip pull [6c480f222128 x86/alternative: Rewrite optimize_nops() some]] On 07/12/2023 (Thu 17:34) Thomas Gleixner wrote:

> On Wed, Dec 06 2023 at 10:46, Paul Gortmaker wrote:
> > The config file and both "good" and "bad" files are there now:
> >
> > https://bugzilla.yoctoproject.org/show_bug.cgi?id=15230
> >
> > There are a lot more debug lines in the good/working output!
> >
> > $ grep alternatives: dmesg-debug-alt-good.txt | wc -l
> > 4868
> > $ grep alternatives: dmesg-debug-alt.txt | wc -l
> > 19
> 
> Unsurprisingly so. The failing one dies right at the start of
> alternative patching....

I'm still set up to where I can pick a version of your choice, add a
debug patch or whatever, and let it run the 200 odd boots it takes
before it fails once.  And I'll try and be more prompt this time!