From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pa0-f46.google.com (mail-pa0-f46.google.com [209.85.220.46]) by kanga.kvack.org (Postfix) with ESMTP id A7FFD6B0036 for ; Wed, 28 May 2014 04:32:06 -0400 (EDT) Received: by mail-pa0-f46.google.com with SMTP id kq14so10615418pab.19 for ; Wed, 28 May 2014 01:32:06 -0700 (PDT) Received: from ozlabs.org (ozlabs.org. [2401:3900:2:1::2]) by mx.google.com with ESMTPS id nu1si22241793pbb.216.2014.05.28.01.32.05 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 28 May 2014 01:32:05 -0700 (PDT) Message-ID: <1401265922.3355.4.camel@concordia> Subject: BUG at mm/memory.c:1489! From: Michael Ellerman Date: Wed, 28 May 2014 18:32:02 +1000 Content-Type: text/plain; charset="UTF-8" Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: Linux MM , LKML , trinity@vger.kernel.org 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, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org