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[Bug 1926202] Re: qemu-user can't run some ppc binaries
From: |
Launchpad Bug Tracker |
Subject: |
[Bug 1926202] Re: qemu-user can't run some ppc binaries |
Date: |
Thu, 15 Jul 2021 04:17:23 -0000 |
[Expired for QEMU because there has been no activity for 60 days.]
** Changed in: qemu
Status: Incomplete => Expired
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https://bugs.launchpad.net/bugs/1926202
Title:
qemu-user can't run some ppc binaries
Status in QEMU:
Expired
Bug description:
qemu-user v6.0.0-rc5, built in static mode, will crash for certain ppc
binaries. It seems to have something to do with glibc for some Centos
versions. The problem is easiest to see with statically-linked
binaries.
The attached Dockerfile shows how to produce a ppc binary that will
crash qemu-user. Here is how to reproduce the problem:
$ uname -m
x86_64
$ docker run --rm --privileged multiarch/qemu-user-static --reset -p
yes
$ docker build -t qemu-bug:centos -f Dockerfile.centos .
$ docker run --rm -it -v$PWD:$PWD -w$PWD qemu-bug:centos cp
/helloworld-centos.static.ppc .
$ qemu-ppc-static --version
qemu-ppc version 5.2.95 (v6.0.0-rc5)
Copyright (c) 2003-2021 Fabrice Bellard and the QEMU Project developers
$ qemu-ppc-static ./helloworld-centos.static.ppc
emu: uncaught target signal 4 (Illegal instruction) - core dumped
[1] 16678 illegal hardware instruction (core dumped) qemu-ppc-static
./helloworld-centos.static.ppc
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