Re: [regression] suspend stress test stalls within 30 minutes

From: Borislav Petkov
Date: Sat May 11 2024 - 14:49:25 EST


On Sat, May 11, 2024 at 09:22:43PM +0300, Kalle Valo wrote:
> Here's the diff between broken and working .config:
>
> $ diffconfig broken.config works.config
> -CALL_PADDING y
> -CALL_THUNKS y
> -CALL_THUNKS_DEBUG n
> -HAVE_CALL_THUNKS y
> -MITIGATION_CALL_DEPTH_TRACKING y
> -MITIGATION_GDS_FORCE y
> -MITIGATION_IBPB_ENTRY y
> -MITIGATION_IBRS_ENTRY y
> -MITIGATION_PAGE_TABLE_ISOLATION y
> -MITIGATION_RETHUNK y
> -MITIGATION_RETPOLINE y
> -MITIGATION_RFDS y
> -MITIGATION_SLS y
> -MITIGATION_SPECTRE_BHI y
> -MITIGATION_SRSO y
> -MITIGATION_UNRET_ENTRY y
> -PREFIX_SYMBOLS y
> CPU_MITIGATIONS y -> n

You could start turning them off one-by-one, and each time run the
reproducer and see where there's a difference.

--
Regards/Gruss,
Boris.

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