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[Qemu-devel] [Bug 1591611] Re: chroot using qemu-x86_64-static fails on
From: |
Thomas Huth |
Subject: |
[Qemu-devel] [Bug 1591611] Re: chroot using qemu-x86_64-static fails on ppc64el |
Date: |
Fri, 21 Jul 2017 14:27:02 -0000 |
This bug has been moved to "Fix committed" before v2.9.0 has been
release ... so could we move this to "Fix released" now? Or is there
still something left to do here?
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https://bugs.launchpad.net/bugs/1591611
Title:
chroot using qemu-x86_64-static fails on ppc64el
Status in QEMU:
Fix Committed
Bug description:
When attempting to use qemu-x86_64-static from qemu 2.5.0 on a ppc64el
host to chroot into an amd64 environment, all commands fail with an
assertion error. /usr/bin/qemu-x86_64-static from the host was copied
into the chroot /usr/bin, and the host has multiformat support in the
kernel.
Sample output illustrating the problem, as well as bash builtins
working:
# chroot /virtualbox/scratchdisks_local_001/amd64_chroot qemu-x86_64-static
/bin/bash
# ls
bash: ../sysdeps/nptl/fork.c:136: __libc_fork: Assertion `({ __typeof
(self->tid) __value; if (sizeof (__value) == 1) asm volatile ("movb
%%fs:%P2,%b0" : "=q" (__value) : "0" (0), "i" (__builtin_offsetof (struct
pthread, tid))); else if (sizeof (__value) == 4) asm volatile ("movl
%%fs:%P1,%0" : "=r" (__value) : "i" (__builtin_offsetof (struct pthread,
tid))); else { if (sizeof (__value) != 8) abort (); asm volatile ("movq
%%fs:%P1,%q0" : "=r" (__value) : "i" (__builtin_offsetof (struct pthread,
tid))); } __value; }) != ppid' failed.
setup_frame: not implemented
setup_frame: not implemented
qemu: uncaught target signal 11 (Segmentation fault) - core dumped
Segmentation fault
setup_frame: not implemented
setup_frame: not implemented
# echo TEST
TEST
# cat test
bash: ../sysdeps/nptl/fork.c:136: __libc_fork: Assertion `({ __typeof
(self->tid) __value; if (sizeof (__value) == 1) asm volatile ("movb
%%fs:%P2,%b0" : "=q" (__value) : "0" (0), "i" (__builtin_offsetof (struct
pthread, tid))); else if (sizeof (__value) == 4) asm volatile ("movl
%%fs:%P1,%0" : "=r" (__value) : "i" (__builtin_offsetof (struct pthread,
tid))); else { if (sizeof (__value) != 8) abort (); asm volatile ("movq
%%fs:%P1,%q0" : "=r" (__value) : "i" (__builtin_offsetof (struct pthread,
tid))); } __value; }) != ppid' failed.
qemu: uncaught target signal 11 (Segmentation fault) - core dumped
Segmentation fault
It is currently unknown if other host architectures (e.g. aarch64) are
also affected.
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