h.mayer at inode.at
Thu Jul 27 21:05:39 CEST 2006
Birger Gustafsson wrote:
> I have a PCI board (actually a PMC module, TPMC901 from TEWS
> Datentechnik) and a driver for RTAI. Up til now we have been using
> system with Intel PIII processors and this driver works just fine.
> Now we are trying a system with Pentium M processor and there I have
> problem running this driver.
> We are using RTAI 3.3 with Linux 126.96.36.199 (based on Red Hat Enterprice).
> The problem I have is that when I install the interrupt service routine
> the system crashes. This is done with:
> rt_startup_irq(irq); ! This works fine
> rt_request_global_irq(irq, isr); ! This crashes
> irq is my interrupt number and irs my interrupt service routine. It does
> not matter if the isr is empty or not.
> Have you any experience with this? Could this be a kernel or rtai
> configuration problem? What is different for the Pentium M compared to
> PIII regarding interrupt handling?
Dunno why it worked on a PIII and not on a PM, but have a look here:
Maybe this helps. Also see the other pages - links given at the top
of the page.
More information about the Rtai