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Re: trunk test result inconsistencies
- From: Jakub Jelinek <jakub at redhat dot com>
- To: Andrew MacLeod <amacleod at redhat dot com>
- Cc: GCC <gcc at gcc dot gnu dot org>, gcc-patches <gcc-patches at gcc dot gnu dot org>
- Date: Wed, 22 Apr 2015 14:19:11 +0200
- Subject: Re: trunk test result inconsistencies
- Authentication-results: sourceware.org; auth=none
- References: <55378E33 dot 8050004 at redhat dot com>
- Reply-to: Jakub Jelinek <jakub at redhat dot com>
On Wed, Apr 22, 2015 at 08:04:03AM -0400, Andrew MacLeod wrote:
> Is anyone else seeing comparison problems on trunk?
>
> I was having problems testing a patch on a 4/16 extraction, so last night I
> checked out a fresh trunk, built it, ran make check... then removed the
> build directory, re-built it from scratch again. make check.. and get a
> bunch of different results. I even used test_summary instead of my own
> home-grown scripts.
That is a buggy kernel, you must have missed a warning not to upgrade your
kernel. See
https://bugzilla.kernel.org/show_bug.cgi?id=96311
https://lkml.org/lkml/2015/4/13/600
Dunno what progress has been on that patch since then, don't see it in
latest Linus' git though.
AFAIK at least 3.19 and 4.0 kernels are affected.
>
> Its not ordering this time, its actual reported failures on
> x86_64-unknown-linux-gnu... for instance,
> run 1 found, among other things:
> PASS: g++.dg/cpp0x/rv1n.C -std=c++14 (test for errors, line 80)
> FAIL: g++.dg/cpp0x/rv1n.C -std=c++14 (test for warnings, line 84)
> PASS: g++.dg/cpp0x/rv1n.C -std=c++14 (test for errors, line 89)
> PASS: g++.dg/cpp0x/rv1n.C -std=c++14 (test for errors, line 91)
> FAIL: g++.dg/cpp0x/rv1n.C -std=c++14 (test for errors, line 92)
> FAIL: g++.dg/cpp0x/rv1n.C -std=c++14 (test for errors, line 93)
> FAIL: g++.dg/cpp0x/rv1n.C -std=c++14 (test for errors, line 94)
> FAIL: g++.dg/cpp0x/rv1n.C -std=c++14 (test for errors, line 95)
> <...>
Jakub