I must suspend the search for this problem for a while. The specific hardware (computer) is unavailable to me for about a week.
Jeroen. > Could there be any reason why e.g. a pci_config_read_dword() call would > > fail in Xenomai context (because when still in the module probe code, I > > can perform the call correctly - in both cases I checked the > > dev->bus->ops->read/write pointers and they are identical) ? > > > > Today I moved the Xenomai ISR registration (rtdm_request_irq)) from the > RTDM open method (rtdm_dev_open) to the module probe code (dev_probe). Then > the registration works, but not always. Upon frequent insmod- and rmmodding, > I still can make the machine freeze. > > I'm now more or less lost and open to any ideas.. >
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