David Beamonte wrote:
I have debugged the kernel and what I can see is that, once the processor tries to send a buffer of the USB controller, interrupts get disabled. And so, there is no ethernet, serial port, or whatever way of communication to the processor. With my debugger I can see that the kernel keeps running and executing cpu_idle() and so on. Furtheremore, jiffies increase, but no other interrupts occur.
It's probably waiting for an interrupt that never came.
It seems to happen when buffers try to access external memory. Can it be related to bus arbitration?
Probably not; usually that sort of problem results in a hard lock-up. -Scott _______________________________________________ Linuxppc-embedded mailing list Linuxppc-embedded@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-embedded
