panic - abandon hope void panic(char *fmt, ...) Panic writes a message to the console and causes the system to give up the ghost. It enables interrupts, dumps the kernel stack, and halts the current processor; if more than one, others will gradually come to a halt. Depending on configuration settings, the platform-dependent exit might reboot the system. The format fmt and associated arguments are the same as those for print (10.2). Panic adds a prefix .L "panic: " and a trailing newline.