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SubjectRe: arm64: perf test 26 rpi4 oops
On Fri, Jul 28, 2023 at 05:12:43PM +0200, Mike Galbraith wrote:
> On Fri, 2023-07-28 at 15:18 +0100, Will Deacon wrote:
> > On Fri, Jul 28, 2023 at 06:06:33AM +0200, Mike Galbraith wrote:
> > > perf test 26 in virgin master inspired the below.
> >
> > Ah, so this is the 6.5-based panic message below?
>
> Yeah, that was virgin master.
>
> The oops arrived with 2e1c0170771e, _but_ it turns out to be somehow
> config related. The obese distro config rolled forward does not oops,
> much leaner local config does, despite cute little rpi4 working just
> fine.. for everything _except_ 'perf test 26' :)

The commit mentions HARDENED_USERCOPY, so maybe that? In any case, if
you can share your broken config someplace I can try to give it a spin.

Thanks,

Will

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