linux-kernel - 2.6.39.1 Regression: testsuite failures in eglibc on Alpha

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Message-ID: <4DF2B74F.50700@waikato.ac.nz>
Date:	Sat, 11 Jun 2011 12:31:11 +1200
From:	Michael Cree <cree@...kato.ac.nz>
To:	linux-kernel@...r.kernel.org
CC:	linux-alpha@...r.kernel.org
Subject: 2.6.39.1 Regression: testsuite failures in eglibc on Alpha

While building eglibc (Debian version 2.13-5) test suite failures are
reported when running under the 2.6.39.1 kernel, but not when running
under the 2.6.38.6 kernel on the Alpha arch.  The failures are:

tst-mutexpi4.out, Error 1
tst-mutexpi7.out, Error 1
tst-mutexpi7a.out, Error 1
tst-robust1.out, Error 1
tst-robust3.out, Error 1
tst-robust4.out, Error 1
tst-robust6.out, Error 1
tst-robust7.out, Error 1
tst-robust8.out, Error 1
tst-robust9.out, Error 1
tst-robustpi1.out, Error 1
tst-robustpi3.out, Error 1
tst-robustpi4.out, Error 1
tst-robustpi6.out, Error 1
tst-robustpi7.out, Error 1
tst-robustpi8.out, Error 1

Some of the above tests time out, for example:

GCONV_PATH=/«BUILDDIR»/eglibc-2.13/build-tree/alpha-libc/iconvdata
LC_ALL=C     /«BUILDDIR»/eglibc-2
.13/build-tree/alpha-libc/elf/ld-linux.so.2 --library-path
/«BUILDDIR»/eglibc-2.13/build-tree/alpha-
libc:/«BUILDDIR»/eglibc-2.13/build-tree/alpha-libc/math:/«BUILDDIR»/eglibc-2.13/build-tree/alpha-lib
c/elf:/«BUILDDIR»/eglibc-2.13/build-tree/alpha-libc/dlfcn:/«BUILDDIR»/eglibc-2.13/build-tree/alpha-l
ibc/nss:/«BUILDDIR»/eglibc-2.13/build-tree/alpha-libc/nis:/«BUILDDIR»/eglibc-2.13/build-tree/alpha-l
ibc/rt:/«BUILDDIR»/eglibc-2.13/build-tree/alpha-libc/resolv:/«BUILDDIR»/eglibc-2.13/build-tree/alpha
-libc/crypt:/«BUILDDIR»/eglibc-2.13/build-tree/alpha-libc/nptl
/«BUILDDIR»/eglibc-2.13/build-tree/al
pha-libc/nptl/tst-mutexpi7  >
/«BUILDDIR»/eglibc-2.13/build-tree/alpha-libc/nptl/tst-mutexpi7.out
Timed out: killed the child process
make[3]: ***
[/«BUILDDIR»/eglibc-2.13/build-tree/alpha-libc/nptl/tst-mutexpi7.out]
Error 1

Since no problems are seen with the 2.6.38 kernel series this appears to
be a 2.6.39[.1] regression.

Cheers
Michael.
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