Bart Jonkers wrote: > On Mon, 2006-07-31 at 11:20 +0200, Detlef Vollmann wrote: > > Bart Jonkers wrote: > > > When I boot the kernel with ipipe enabled, linux receives no interrupts > > > anymore. Any idea to solve this? > > What are the symtomps?
> hda: lost interrupt > Sending BOOTP requests ...... timed out! > The interrupt for the harddisk and the network chip are GPIO interrupts. This is what I suspected. > > Are you sure you get no interrupts (incl. timer) or e.g. just no GPIO > > interrupts? > > I added a kernel timer to the a driver of me witch does a printk every > 10 seconds. The printk shows up so I think that Linux still gets its > timer interrupts. And if you can type something on the serial console, you also get the UART interrupt. > I also added an interrupt handler on a button which is connected to GPIO > pin. The interrupt handler should print something when it is executed. > When I push the button a couple of times nothing happens. So GPIO > interrupts doesn't seems to work. Probably GPIO0 and GPIO1 work. I suspect it's the cascading interrupt that doesn't work. When I played around with an earlier version of ipipe, I found that the IRQ_GPIO_2_80 (IRQ 10 on PXA270) is masked, but never unmasked again. The problem is that for the cascading interrupt you need a special IPIPE handler, and I don't think there is currently one for PXA. How is that done on other machines/architectures? Detlef -- Detlef Vollmann vollmann engineering gmbh Linux and C++ for Embedded Systems http://www.vollmann.ch/ Linux for PXA270 Colibri module: http://www.vollmann.ch/en/colibri/ _______________________________________________ Xenomai-core mailing list Xenomai-core@gna.org https://mail.gna.org/listinfo/xenomai-core
