Hi... On Tue, Jul 24, 2012 at 3:39 PM, tingwei liu <tingw.liu@xxxxxxxxx> wrote: > 24 cores BTW, I saw these lines in the oops message: kernel: [3077010.856312] last sysfs file: /sys/devices/system/cpu/cpu23/cache/index2/shared_cpu_map does your program somehow read or write to this sysfs entry? > Right, This is my user space application. care to explain briefly what this program_t does? > User space program can affect kernel stack? I thought this is a kernel bug! IIRC, once there is kernel bug (or maybe more than one) than enable user space to "implant" code in kernel space. In the same sense, it would be no surprise that kernel stack could be wiped out. -- regards, Mulyadi Santosa Freelance Linux trainer and consultant blog: the-hydra.blogspot.com training: mulyaditraining.blogspot.com _______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies