On Tue, May 14, 2002 at 06:37:56PM -0400, Bloch, Jack wrote: > I am a relatively new Linux Hacker (< 6 months). I and a colleague have > created a Compact PCI embedded system for which we developed some specific > HW. In my device driver, it is possible that the HW will trigger an > interrupt for a special case. In this case I want to halt the Linux OS. How > can I do this from within my ISR? Halt? Like stop everything completly? If so, take a look at how kdb works when you use it to interrupt the kernel. That should be what you need to do too. Hope this helps, greg k-h -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/