On Sat, Jan 30, 2021 at 2:26 AM Winfried Magerl
<winfried.magerl@t-online.de> wrote:
>
> Hello,
>
> On Sat, Jan 30, 2021 at 09:34:56AM +0100, Winfried Magerl wrote:
> > Hello,
> >
> > I got a suspicious error when building current upcoming glibc-2.33:
> >
> > FAIL: elf/tst-cpu-features-cpuinfo
> >
> > The relavant details from elf/tst-cpu-features-cpuinfo.out
> > (likely invariant_tsc can be ignored):
> >
> > Checking HAS_CPU_FEATURE (INVARIANT_TSC):
> >   HAS_CPU_FEATURE (INVARIANT_TSC): 1
> >   cpuinfo (invariant_tsc): 0
> >  *** missing in /proc/cpuinfo ***
> > Checking HAS_CPU_FEATURE (SSBD):
> >   HAS_CPU_FEATURE (SSBD): 0
> >   cpuinfo (ssbd): 1
> >  *** failure ***
> > Checking HAS_CPU_FEATURE (STIBP):
> >   HAS_CPU_FEATURE (STIBP): 0
> >   cpuinfo (stibp): 1
> >  *** failure ***
> > 2 differences between /proc/cpuinfo and glibc code.
> >
> > The details of the build-system:
> >       cpu:            AMD Ryzen 9 3900X 12-Core Processor
> >       os:             openSUSE Tumbleweed 20210128
> >       gcc:            gcc-10-3.1.x86_64
> >       binutils:       binutils-2.35.1-1.1
>
> the missing kernel-version:
>         openSUSE:       kernel-default-5.10.9-1.2.x86_64
>
> also tested with vanilla-kernels with identical result:
>         linux-5.9.16
>         linux-5.11-rc5
>
> > Maybe this helps to track down the problem. From a quick look it's
> > likely uncritical because the feature is simply missing (as opposed
> > to a missdetected non-existing feature).

Try this.

-- 
H.J.