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Bug#1003847: binutils breaks glibc autopkgtest on ppc64el: unrecognized opcode: `vspltisb' (and others)



Source: binutils, glibc
Control: found -1 binutils/2.37.50.20220106-2
Control: found -1 glibc/2.33-2
Severity: serious
Tags: sid bookworm
X-Debbugs-CC: debian-ci@lists.debian.org
User: debian-ci@lists.debian.org
Usertags: breaks needs-update
Control: affects -1 gcc-10 gcc-11

Dear maintainer(s),

With a recent upload of binutils the autopkgtest of glibc fails in testing when that autopkgtest is run with the binary packages of binutils from unstable. It passes when run with only packages from testing. In tabular form:

                       pass            fail
binutils               from testing    2.37.50.20220106-2
glibc                  from testing    2.33-2
all others             from testing    from testing

I copied some of the output at the bottom of this report.

Currently this regression is blocking the migration of binutils, gcc-10 and gcc-11 to testing [1]. Due to the nature of this issue, I filed this bug report against the binutils and glibc source packages. Can you please investigate the situation and reassign the bug to the right package?

More information about this bug and the reason for filing it can be found on
https://wiki.debian.org/ContinuousIntegration/RegressionEmailInformation

Paul

[1] https://qa.debian.org/excuses.php?package=binutils

https://ci.debian.net/data/autopkgtest/testing/ppc64el/g/glibc/18280958/log.gz

powerpc64le-linux-gnu-gcc-10 ../sysdeps/ieee754/ldbl-128ibm/tst-strtold-ldbl-128ibm.c -c -std=gnu11 -fgnu89-inline -pipe -O2 -g -fdebug-prefix-map=/tmp/autopkgtest-lxc.448kjxt6/downtmp/build.UW5/src=. -mcpu=power8 -Wall -Wwrite-strings -Wundef -Werror -fmerge-all-constants -frounding-math -fstack-protector-strong -Wstrict-prototypes -Wold-style-definition -fmath-errno -mabi=ieeelongdouble -Wno-psabi -mno-gnu-attribute -mlong-double-128 -mabi=ibmlongdouble -isystem /tmp/autopkgtest-lxc.448kjxt6/downtmp/build.UW5/src/debian/include -I../include -I/tmp/autopkgtest-lxc.448kjxt6/downtmp/build.UW5/src/build-tree/ppc64el-libc/stdlib -I/tmp/autopkgtest-lxc.448kjxt6/downtmp/build.UW5/src/build-tree/ppc64el-libc -I../sysdeps/unix/sysv/linux/powerpc/powerpc64/le/fpu -I../sysdeps/unix/sysv/linux/powerpc/powerpc64/fpu -I../sysdeps/unix/sysv/linux/powerpc/powerpc64/le -I../sysdeps/unix/sysv/linux/powerpc/powerpc64 -I../sysdeps/unix/sysv/linux/wordsize-64 -I../sysdeps/unix/sysv/linux/powerpc -I../sysdeps/powerpc/nptl -I../sysdeps/unix/sysv/linux/include -I../sysdeps/unix/sysv/linux -I../sysdeps/nptl -I../sysdeps/pthread -I../sysdeps/gnu -I../sysdeps/unix/inet -I../sysdeps/unix/sysv -I../sysdeps/unix/powerpc -I../sysdeps/unix -I../sysdeps/posix -I../sysdeps/powerpc/powerpc64/le/power8/fpu/multiarch -I../sysdeps/powerpc/powerpc64/le/power7/fpu/multiarch -I../sysdeps/powerpc/powerpc64/le/fpu/multiarch -I../sysdeps/powerpc/powerpc64/le/power8/fpu -I../sysdeps/powerpc/powerpc64/le/power7/fpu -I../sysdeps/powerpc/powerpc64/le/fpu -I../sysdeps/powerpc/powerpc64/fpu -I../sysdeps/powerpc/powerpc64/le/power8/multiarch -I../sysdeps/powerpc/powerpc64/le/power7/multiarch -I../sysdeps/powerpc/powerpc64/le/multiarch -I../sysdeps/powerpc/powerpc64/multiarch -I../sysdeps/powerpc/powerpc64/le/power8 -I../sysdeps/powerpc/powerpc64/power8 -I../sysdeps/powerpc/powerpc64/le/power7 -I../sysdeps/powerpc/powerpc64/power7 -I../sysdeps/powerpc/powerpc64/power6 -I../sysdeps/powerpc/powerpc64/power4 -I../sysdeps/powerpc/power4 -I../sysdeps/powerpc/powerpc64/le -I../sysdeps/powerpc/powerpc64 -I../sysdeps/wordsize-64 -I../sysdeps/powerpc/fpu -I../sysdeps/powerpc -I../sysdeps/ieee754/ldbl-128ibm-compat -I../sysdeps/ieee754/ldbl-128ibm/include -I../sysdeps/ieee754/ldbl-128ibm -I../sysdeps/ieee754/ldbl-opt -I../sysdeps/ieee754/dbl-64 -I../sysdeps/ieee754/flt-32 -I../sysdeps/ieee754/float128 -I../sysdeps/ieee754 -I../sysdeps/generic -I.. -I../libio -I. -nostdinc -isystem /usr/lib/gcc/powerpc64le-linux-gnu/10/include -isystem /tmp/autopkgtest-lxc.448kjxt6/downtmp/build.UW5/src/debian/include -D_LIBC_REENTRANT -include /tmp/autopkgtest-lxc.448kjxt6/downtmp/build.UW5/src/build-tree/ppc64el-libc/libc-modules.h -DMODULE_NAME=testsuite -include ../include/libc-symbols.h -DPIC -DTOP_NAMESPACE=glibc -o /tmp/autopkgtest-lxc.448kjxt6/downtmp/build.UW5/src/build-tree/ppc64el-libc/stdlib/tst-strtold-ldbl-128ibm.o -MD -MP -MF /tmp/autopkgtest-lxc.448kjxt6/downtmp/build.UW5/src/build-tree/ppc64el-libc/stdlib/tst-strtold-ldbl-128ibm.o.dt -MT /tmp/autopkgtest-lxc.448kjxt6/downtmp/build.UW5/src/build-tree/ppc64el-libc/stdlib/tst-strtold-ldbl-128ibm.o
{standard input}: Assembler messages:
{standard input}:78: Error: unrecognized opcode: `vspltisb'
{standard input}:79: Error: unrecognized opcode: `vspltisb'
{standard input}:80: Error: unrecognized opcode: `vpkuwus'
{standard input}:81: Error: unrecognized opcode: `mfvscr'
{standard input}:82: Error: unrecognized opcode: `stvx'
make[3]: *** [/tmp/autopkgtest-lxc.448kjxt6/downtmp/build.UW5/src/build-tree/ppc64el-libc/sysd-rules:1199: /tmp/autopkgtest-lxc.448kjxt6/downtmp/build.UW5/src/build-tree/ppc64el-libc/stdlib/tst-ucontext-ppc64-vscr.o] Error 1
make[3]: *** Waiting for unfinished jobs....
make[3]: Leaving directory '/tmp/autopkgtest-lxc.448kjxt6/downtmp/build.UW5/src/stdlib'
make[2]: *** [Makefile:496: stdlib/tests] Error 2
make[2]: Leaving directory '/tmp/autopkgtest-lxc.448kjxt6/downtmp/build.UW5/src' make[1]: Leaving directory '/tmp/autopkgtest-lxc.448kjxt6/downtmp/build.UW5/src/build-tree/ppc64el-libc'
make[1]: *** [Makefile:9: check] Error 2
+---------------------------------------------------------------------+
|                     Testsuite failed to build.                      |
+---------------------------------------------------------------------+
make: *** [debian/rules.d/build.mk:136: /tmp/autopkgtest-lxc.448kjxt6/downtmp/build.UW5/src/stamp-dir/check_libc] Error 1 dpkg-buildpackage: error: debian/rules build subprocess returned exit status 2
autopkgtest [03:27:08]: test rebuild: -----------------------]

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