GNU bug report logs - #43048
QEMU 5 fails its test suite on some machines (e.g., AMD Ryzen 3900X)

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From: Maxim Cournoyer <maxim.cournoyer <at> gmail.com>
To: 43048 <at> debbugs.gnu.org
Subject: bug#43048: QEMU 5 fails its test suite
Date: Tue, 25 Aug 2020 14:59:26 -0400

Hello,

Found while reconfiguring with Guix at commit fbd36a233420757e11b6abb076647781d4e5652d:

--8<---------------cut here---------------start------------->8---
SS 17 hd-geo-test /i386/hd-geo/override/virtio_hot_unplug
MALLOC_PERTURB_=${MALLOC_PERTURB_:-$(( ${RANDOM:-0} % 255 + 1))}  QTEST_QEMU_BINARY=i386-softmmu/qemu-system-i386 QTEST_QEMU_IMG=qemu-img tests/qtest/boot-order-test -m=quick -k --tap < /dev/null | ./scripts/tap-driver.pl --test-name="boot-order-test" 
PASS 1 boot-order-test /i386/boot-order/pc
MALLOC_PERTURB_=${MALLOC_PERTURB_:-$(( ${RANDOM:-0} % 255 + 1))}  QTEST_QEMU_BINARY=i386-softmmu/qemu-system-i386 QTEST_QEMU_IMG=qemu-img tests/qtest/bios-tables-test -m=quick -k --tap < /dev/null | ./scripts/tap-driver.pl --test-name="bios-tables-test" 
qemu-system-i386: error: failed to set MSR 0x4b564d02 to 0x0
qemu-system-i386: /tmp/guix-build-qemu-5.0.0.drv-0/qemu-5.0.0/target/i386/kvm.c:2695: kvm_buf_set_msrs: Assertion `ret == cpu->kvm_msr_buf->nmsrs' failed.
Broken pipe
tests/qtest/libqtest.c:175: kill_qemu() detected QEMU death from signal 6 (Aborted)
ERROR - too few tests run (expected 17, got 0)
make: *** [/tmp/guix-build-qemu-5.0.0.drv-0/qemu-5.0.0/tests/Makefile.include:636: check-qtest-i386] Error 1

Test suite failed, dumping logs.
command "make" "check" "V=1" failed with status 2
builder for `/gnu/store/xkw86xzrqamn9kjihkdwrfiadvmxrxh1-qemu-5.0.0.drv' failed with exit code 1
build of /gnu/store/xkw86xzrqamn9kjihkdwrfiadvmxrxh1-qemu-5.0.0.drv failed
View build log at '/var/log/guix/drvs/xk/w86xzrqamn9kjihkdwrfiadvmxrxh1-qemu-5.0.0.drv.bz2'.
guix system: error: build of
`/gnu/store/xkw86xzrqamn9kjihkdwrfiadvmxrxh1-qemu-5.0.0.drv' failed
--8<---------------cut here---------------end--------------->8---

Maxim

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