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[Qemu-devel] Re: Fun with sparc (was Re: qemu-ppc can't run static uClib

From: Artyom Tarasenko
Subject: [Qemu-devel] Re: Fun with sparc (was Re: qemu-ppc can't run static uClibc binaries.)
Date: Sat, 20 Feb 2010 22:59:38 +0100

2010/2/20 Rob Landley <address@hidden>:
> On Saturday 20 February 2010 11:34:44 Blue Swirl wrote:
>> On 2/20/10, Rob Landley <address@hidden> wrote:
>> >  I don't understand what's going wrong here.  Did the kernel break on
>> > sparc sometime between 2.6.18 and 2.6.32 and nobody noticed?  Is sparc
>> > using software emulated floating point at the kernel level and that's
>> > configured as a module?  (Except I don't think busybox ls uses floating
>> > point...)
>> Sparc32 is not maintained anymore so maybe it broke at some point.
>> There was some discussion a few years ago.
> Not maintained on the Linux kernel side, or not maintained under qemu?  It
> seems to be working under debian, but the 2.6.18 kernel is from 2006.
>> >  Do any sparc people understand what's going on here?  My next step is to
>> > grab a 2.6.18 kernel and try to get _that_ to work with the tweaked
>> > debian config (and an ext2 root filesystem since squashfs wasn't merged
>> > back then and had a format change when it was merged).  But I'm mostly
>> > flailing around blind here...
>> I'm also trying different kernels using my .config. But already 2.6.12
>> hangs in ESP probe.
> I've got 2.6.32 booting to a command prompt (albeit with serial console and
> intentionall restricted set of hardware).  But then it misbehaves.
> I'll try getting 2.6.18 to build with a known .config, and then bisect forward
> if that seems to work...

You can also try aurora linux. They had a bit newer kernel. Don't know
how stable is it on a real hw though.

Artyom Tarasenko

solaris/sparc under qemu blog: http://tyom.blogspot.com/

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