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From: "hjl.tools at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/27398] x86: Sporadic failures in tst-cpu-features-cpuinfo
Date: Fri, 12 Feb 2021 13:51:48 +0000	[thread overview]
Message-ID: <bug-27398-131-QzwN38PaSU@http.sourceware.org/bugzilla/> (raw)
In-Reply-To: <bug-27398-131@http.sourceware.org/bugzilla/>

https://sourceware.org/bugzilla/show_bug.cgi?id=27398

--- Comment #5 from H.J. Lu <hjl.tools at gmail dot com> ---
(In reply to Siddhesh Poyarekar from comment #0)
> The following tests fail sporadically on my machine:
> 
> Checking HAS_CPU_FEATURE (HLE):
>   HAS_CPU_FEATURE (HLE): 1
>   cpuinfo (hle): 0
>  *** failure ***
> --
> Checking HAS_CPU_FEATURE (RTM):
>   HAS_CPU_FEATURE (RTM): 1
>   cpuinfo (rtm): 0
>  *** failure ***
> 
> Whenever it succeeds, HAS_CPU_FEATURE is 0 in both cases but every once in a
> while it returns 1.
> 

This sounds like CPUID instruction returns different value on your procsesors.

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  parent reply	other threads:[~2021-02-12 13:51 UTC|newest]

Thread overview: 37+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-02-12  4:44 [Bug libc/27398] New: " siddhesh at sourceware dot org
2021-02-12  4:52 ` [Bug libc/27398] " siddhesh at sourceware dot org
2021-02-12  9:46 ` [Bug libc/27398] x86: " fweimer at redhat dot com
2021-02-12  9:59 ` siddhesh at sourceware dot org
2021-02-12 13:45 ` hjl.tools at gmail dot com
2021-02-12 13:51 ` hjl.tools at gmail dot com [this message]
2021-02-12 14:00 ` siddhesh at sourceware dot org
2022-01-14 22:20 ` carlos at redhat dot com
2022-01-14 22:21 ` [Bug libc/27398] x86: Improve testing false positive for tst-cpu-features-cpuinfo with bad hardware carlos at redhat dot com
2022-01-14 22:26 ` hjl.tools at gmail dot com
2022-01-14 22:57 ` hjl.tools at gmail dot com
2022-01-14 22:57 ` hjl.tools at gmail dot com
2022-01-17 14:09 ` carlos at redhat dot com
2022-01-17 15:17 ` hjl.tools at gmail dot com
2022-01-17 15:17 ` hjl.tools at gmail dot com
2022-01-18  3:49 ` carlos at redhat dot com
2022-01-18  3:50 ` carlos at redhat dot com
2022-01-18 14:22 ` hjl.tools at gmail dot com
2022-01-18 14:24 ` hjl.tools at gmail dot com
2022-01-18 16:17 ` carlos at redhat dot com
2022-01-18 16:32 ` hjl.tools at gmail dot com
2022-01-18 16:35 ` carlos at redhat dot com
2022-01-18 16:38 ` carlos at redhat dot com
2022-01-18 22:21 ` cvs-commit at gcc dot gnu.org
2022-01-18 22:22 ` hjl.tools at gmail dot com
2022-01-25 18:19 ` carlos at redhat dot com
2022-01-25 18:41 ` hjl.tools at gmail dot com
2022-01-25 18:42 ` hjl.tools at gmail dot com
2022-01-26 19:30 ` carlos at redhat dot com
2022-02-01 13:54 ` cvs-commit at gcc dot gnu.org
2022-02-01 14:08 ` cvs-commit at gcc dot gnu.org
2022-02-01 15:26 ` cvs-commit at gcc dot gnu.org
2022-02-01 15:36 ` cvs-commit at gcc dot gnu.org
2022-02-01 15:59 ` cvs-commit at gcc dot gnu.org
2022-02-01 16:06 ` cvs-commit at gcc dot gnu.org
2022-02-01 17:16 ` cvs-commit at gcc dot gnu.org
2022-05-02 10:42 ` fweimer at redhat dot com

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