The target architecture is set to "i386". 0x0000fff0 in ?? () Hardware assisted breakpoint 1 at 0x107489: file kernel/task.c, line 1007. Breakpoint 1, process_demo_done () at kernel/task.c:1007 1007 { __asm__ volatile("nop" ::: "memory"); } PASS: seven ELF allocation failures plus kernel-stack failure rolled back, then normal spawn recovered