Hello,
We are currently trying to install Xenomai (version 2.5rc2) on a Geode GX1
(PCM 3350 board), kernel 2.6.26 (Debian 5.0). However, we have run into a
few issues.
Whenever we install the kernel with Local APIC support enabled, xenomai
gives the error:
Xenomai: Local APIC absent or disabled!
Disable APIC support or pass "lapic=1" as bootparam.
Passing the lapic=1 parameter doesn't seem to do much, so we decided to turn
off APIC support in the kernel.
The kernel now boots, however, it does so extremely slowly. It is hanging
(i.e., takes a long time) whenever an IRQ probe is required.
The latencies are also pretty bad - worst case in xeno-test is 2ms!
So, any ideias on why this is happening?
Thanks for the help,
--
-Felipe Brandão Cavalcanti
LARA - Robotics and Automation Laboratory
Department of Electrical Engineering
UnB - University of Brasília, Brazil
http://www.lara.unb.br/
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