From: Rogier Wolff <R.E.Wolff@BitWizard.nl>
To: Andi Kleen <andi@firstfloor.org>
Cc: linux-kernel@vger.kernel.org
Subject: Re: FPU emulation broken in 2.6.28-rc8 ?
Date: Wed, 17 Dec 2008 23:52:21 +0100 [thread overview]
Message-ID: <20081217225221.GA6247@bitwizard.nl> (raw)
In-Reply-To: <878wqe1kvg.fsf@basil.nowhere.org>
On Wed, Dec 17, 2008 at 11:45:39PM +0100, Andi Kleen wrote:
> Rogier Wolff <R.E.Wolff@BitWizard.nl> writes:
> >>
> >> I'm trying to set up a thin client, which runs on a geode, which
> >> apparently doesn't have a FPU.... (/proc/cpuinfo mentions the flag
> >> "fpu", what does THAT mean?)
>
> Geodes all have FPUs to my knowledge.
> The only FPU less x87s are 386s and special 486s (and a few emulators)
>
> If the FPU doesn't work on the Geode something else must be broken
> (or your CPU is not really a Geode)
Although the /proc/cpuinfo file shows the FPU flag, the kernel stops
with "no fpu found, and math emulation not present" if I disable
FP emulation....
chipolata:/etc/X11# cat /proc/cpuinfo
processor : 0
vendor_id : CyrixInstead
cpu family : 5
model : 9
model name : Geode(TM) Integrated Processor by National Semi
stepping : 2
cpu MHz : 299.913
cache size : 16 KB
fdiv_bug : yes
hlt_bug : no
f00f_bug : no
coma_bug : no
fpu : no
fpu_exception : no
cpuid level : 2
wp : yes
flags : fpu tsc msr cx8 cmov mmx cxmmx
bogomips : 599.82
clflush size : 32
power management:
Roger.
--
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next prev parent reply other threads:[~2008-12-17 22:52 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-12-17 8:56 FPU emulation broken in 2.6.28-rc8 ? Rogier Wolff
2008-12-17 20:32 ` Rogier Wolff
2008-12-17 22:45 ` Andi Kleen
2008-12-17 22:52 ` Rogier Wolff [this message]
2008-12-17 23:20 ` Jesper Juhl
2008-12-17 23:33 ` Andi Kleen
2008-12-18 8:19 ` Rogier Wolff
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