Hey folks, Anyone seen this before? Trinity hit it just now: Linux Blade312-5 3.15.0-rc7 #306 SMP Wed May 28 17:51:18 EST 2014 ppc64 [watchdog] 27853 iterations. [F:22642 S:5174 HI:1276] ------------[ cut here ]------------ kernel BUG at /home/michael/mmk-build/flow/mm/memory.c:1489! cpu 0xc: Vector: 700 (Program Check) at [c000000384eaf960] pc: c0000000001ad6f0: .follow_page_mask+0x90/0x650 lr: c0000000001ad6d8: .follow_page_mask+0x78/0x650 sp: c000000384eafbe0 msr: 8000000000029032 current = 0xc0000003c27e1bc0 paca = 0xc000000001dc3000 softe: 0 irq_happened: 0x01 pid = 20800, comm = trinity-c12 kernel BUG at /home/michael/mmk-build/flow/mm/memory.c:1489! enter ? for help [c000000384eafcc0] c0000000001e5514 .SyS_move_pages+0x524/0x7d0 [c000000384eafe30] c00000000000a1d8 syscall_exit+0x0/0x98 --- Exception: c01 (System Call) at 00003fff795f30a8 SP (3ffff958f290) is in userspace I've left it in the debugger, can dig into it a bit more tomorrow if anyone has any clues. cheers -- To unsubscribe from this list: send the line "unsubscribe trinity" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html