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Re: [Qemu-ppc] [Qemu-devel] linux-user crashes on clone(2) when run on p
From: |
Peter Maydell |
Subject: |
Re: [Qemu-ppc] [Qemu-devel] linux-user crashes on clone(2) when run on ppc host |
Date: |
Wed, 17 Jun 2015 09:58:27 +0100 |
On 17 June 2015 at 01:52, Emilio G. Cota <address@hidden> wrote:
> Hi,
>
> I'm having trouble running a simple multithreaded program on a PowerPC host
> machine.
>
> The machine I'm using is a ppc VM--I think it's running under KVM (I'm using
> OVH's RunAbove Power8 service):
> address@hidden:~/qemu$ uname -a
> Linux adsf 3.13.0-37-generic #64-Ubuntu SMP Mon Sep 22 21:27:09 UTC 2014
> ppc64le ppc64le ppc64le GNU/Linux
>
> address@hidden:~/qemu$ ppc64le-linux-user/qemu-ppc64le foo
Multithreaded binaries don't work with linux-user; there are a bunch
of known race conditions involving data structures we don't correctly
lock or make per-thread.
This is a long-standing issue; we're hoping we might get to fixing
it some time this year.
thanks
-- PMM