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Re: [Qemu-devel] Fwd: Re: [target-mips] qemu on centos
From: |
Brendan Kirby |
Subject: |
Re: [Qemu-devel] Fwd: Re: [target-mips] qemu on centos |
Date: |
Fri, 23 Dec 2011 10:05:48 -0800 |
Attached are three MIPS binaries that I have seen segfault
intermittently on CentOS 6 machines. Just run them with no arguments
several times.
Brendan
On Fri, 2011-12-23 at 09:00 -0800, Reed Kotler wrote:
>
> Please work with this guy.
>
> If possible, submit some test cases to them of some code that causes
> segfaults on Centos 6, even if intermittent.
>
> Reed
>
> -------- Original Message --------
> Subject:
> Re: [Qemu-devel] [target-mips] qemu
> on centos
> Date:
> Fri, 23 Dec 2011 14:25:57 +0100
> From:
> Andreas Färber <address@hidden>
> Organization:
> SUSE LINUX Products GmbH
> To:
> Reed Kotler <address@hidden>
> CC:
> <address@hidden>, Khansa
> Butt <address@hidden>, Richard
> Henderson <address@hidden>,
> Richard Sandiford
> <address@hidden>
>
>
> Hi,
>
> Am 23.12.2011 13:44, schrieb Reed Kotler:
> > We have been seeing various problems running qemu for MIPS target on
> > Centos 5.
> > We are running linux user mode programs.
> >
> > Qemu segfaults.
> >
> > We recently tried upgrading to Centos 6 and the problem there is much
> > worse, making it basically unusable.
> >
> > The same programs have no problem when running on Ubuntu.
>
> They likely are using different QEMU versions, and distros may have
> different patches applied on top.
> Please provide some more info on what version, what ABI (which
> executable), what -cpu parameter (if any), etc. you are using. Does a
> gdb backtrace indicate any QEMU function or is it from translated code?
>
> For n64 there were some patches in need of testing, review and fixing.
> [cc'ing Khansa]
>
> For n32 there's signal handling missing. (openSUSE for one ignores the
> build warning and provides it non the less.)
>
> No known issues specific to o32 that I'm aware of, but the two Richards
> had patches for some instructions. Shouldn't lead to segfaults though.
>
> Regards,
> Andreas
>
> --
> SUSE LINUX Products GmbH, Maxfeldstr. 5, 90409 Nürnberg, Germany
> GF: Jeff Hawn, Jennifer Guild, Felix Imendörffer; HRB 16746 AG Nürnberg
ReedSolomon.mipsgcc
Description: application/executable
bisort.llc.mips32r2
Description: application/executable
bisort.mipsgcc
Description: application/executable
- Re: [Qemu-devel] Fwd: Re: [target-mips] qemu on centos,
Brendan Kirby <=