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Date: Sun, 28 Aug 2011 13:47:16 +0200
From: Jan Kiszka <jan.kiszka@domain.hid>
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Subject: Re: [Xenomai-help] CPU frequency of 0 in a Vmware with Xenomai
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To: Willy Lambert <lambert.willy@domain.hid>
Cc: xenomai@xenomai.org

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On 2011-08-28 12:28, Willy Lambert wrote:
> Hi all,
>=20
> I am trying to make xenomai running into a Debian Squeeze 32b with a cu=
stom
> 2.6.38.8 kernel with xenomai among other things. I am running this into=
 a
> Vmware for testing this before going on my real target.
>=20
> I have a "CPU frequency of 0" Error at boot, which I think is "classic"=
 with
> Vmwares :
> http://comments.gmane.org/gmane.linux.real-time.xenomai.devel/6632
>=20
> ard@domain.hid:~$ dmesg | grep Xenomai
> [    0.559923] Xenomai has detected a CPU frequency of 0. Aborting.
> [    0.560923] Xenomai: system init failed, code -19.
> [    0.560923] Xenomai: native skin init failed, code -19.
> [    0.560923] Xenomai: starting POSIX services.
> [    0.561923] Xenomai: POSIX skin init failed, code -19.
> [    0.561923] Xenomai: RTDM skin init failed, code -19.

You may work around this by statically setting the CPU frequency via the
xeno_hal.cpufreq kernel parameter.

However, unless you are locked into VMware, use KVM on a Linux host. It
provides the better experience for testing Xenomai images.

Jan


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