Hello, There was a thread about how to get the number of CPUs available (started on Sun, 26 Jun 2005 09:14:11 -0500). And this time, I got a silly question. Can the SMP system continue working when one of the CPUs crashes? I wonder how the kernel can continue working if a CPU crashes while holding a lock. What will happen if a CPU crashes after spin_lock(&dcache_lock) and before spin_unlock(&dcache_lock)? I'm afraid that other CPUs attempt to spin_lock(&dcache_lock) and fall into infinite wait loop. I don't need detailed explanations. I just want to know whether SMP Linux system is fault tolerant (tolerant against CPU crashes). Just "yes" or "no" or some URLs is enough. Regards. -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/
