Luotao Fu wrote:
Hi Philipe,
On Tue, Apr 18, 2006 at 06:03:43PM +0200, Philippe Gerum wrote:
Luotao Fu wrote:
Your configuration works perfectly here over #944. You might want to
restart building from a freshly patched kernel anew, there seems to be
something badly broken in your current tree, perhaps some mismatching
modules that have not been recompiled properly?
--
Philippe.
Thanx for testing. I, however could locate the problem at the APIC
Timer function in the kernel: With
......
CONFIG_X86_UP_APIC=y
CONFIG_X86_UP_IOAPIC=y
CONFIG_X86_LOCAL_APIC=y
CONFIG_X86_IO_APIC=y
......
I could reproduce the problem (loading rtdm driver causes oops, cannot run
any application using native or posix skin) reliably on my machine.
(Celeron 733MHz. 256MB RAM...a normal PC) Shutting off the APIC stuffs,
however, solves the problem........ Have I overlooked
anything or does Xenomai have problems with the apic controller on
celeron (since it seems to work for you)?
There is no known issue with the [IO-]APIC (I actually tested your
config on a PIII Celeron), it's even recommended to use it with Xenomai.
The symptoms you describe are typical of a build problem, e.g. module /
static kernel mismatching and so on, but unfortunately, I have no clue
since I cannot reproduce it on any x86 I have at hand.
--
Philippe.
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