glibc-2.20 and intel microcode

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glibc-2.20 and intel microcode

microcai

I've finnally detected the root cause of glibc-2.20 broken my system:
glibc-2.20 start using TLX instruction which is disabled by microcode update.

disabling microcode update brings my system back to live!

so, there is either a bug in CPU , nor glibc has borken CPU feature detection.



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Re: glibc-2.20 and intel microcode

Samuli Suominen-4

On 11/11/14 05:49, [hidden email] wrote:
> I've finnally detected the root cause of glibc-2.20 broken my system:
> glibc-2.20 start using TLX instruction which is disabled by microcode update.
>
> disabling microcode update brings my system back to live!
>
> so, there is either a bug in CPU , nor glibc has borken CPU feature detection.
>
>
>

See, http://bugs.gentoo.org/show_bug.cgi?id=528712
It's likely you are hitting a kernel bug