From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-yh0-f45.google.com (mail-yh0-f45.google.com [209.85.213.45]) by kanga.kvack.org (Postfix) with ESMTP id C20716B0031 for ; Wed, 4 Dec 2013 07:07:41 -0500 (EST) Received: by mail-yh0-f45.google.com with SMTP id v1so10045881yhn.4 for ; Wed, 04 Dec 2013 04:07:41 -0800 (PST) Received: from mail-ve0-x22e.google.com (mail-ve0-x22e.google.com [2607:f8b0:400c:c01::22e]) by mx.google.com with ESMTPS id nm5si16245989qeb.88.2013.12.04.04.07.40 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Wed, 04 Dec 2013 04:07:40 -0800 (PST) Received: by mail-ve0-f174.google.com with SMTP id pa12so11966067veb.33 for ; Wed, 04 Dec 2013 04:07:40 -0800 (PST) MIME-Version: 1.0 Date: Wed, 4 Dec 2013 16:07:40 +0400 Message-ID: Subject: BUG at include/linux/mm.h:1443! From: Andrey Wagin Content-Type: text/plain; charset=ISO-8859-1 Sender: owner-linux-mm@kvack.org List-ID: To: "Kirill A. Shutemov" Cc: linux-mm@kvack.org Hi Kirill, I have a test server, which executes CRIU tests. It crashed today. I don't know how to reproduce this bug. If these information will be not enough, I will try to get more. commit 6ce4eac1f600b34f2f7f58f9cd8f0503d79e42ae Author: Linus Torvalds Date: Fri Nov 22 11:30:55 2013 -0800 Linux 3.13-rc1 [174344.224407] ------------[ cut here ]------------ [174344.225025] kernel BUG at include/linux/mm.h:1443! [174344.225025] invalid opcode: 0000 [#1] SMP [174344.225025] Modules linked in: binfmt_misc ip6table_filter ip6_tables tun netlink_diag af_packet_diag udp_diag tcp_diag inet_diag unix_diag microcode joydev pcspkr virtio_net virtio_balloon i2c_piix4 i2c_core virtio_blk floppy [174344.225025] CPU: 1 PID: 9446 Comm: criu Not tainted 3.13.0-rc1+ #147 [174344.225025] Hardware name: Red Hat KVM, BIOS 0.5.1 01/01/2007 [174344.225025] task: ffff880116d20000 ti: ffff88008f266000 task.ti: ffff88008f266000 [174344.225025] RIP: 0010:[] [] ___pmd_free_tlb+0x6f/0x80 [174344.225025] RSP: 0018:ffff88008f267c28 EFLAGS: 00010282 [174344.225025] RAX: ffffea0000000000 RBX: ffff88008f267d58 RCX: 0000000000000000 [174344.225025] RDX: ffff880000000000 RSI: ffff88007ad04000 RDI: ffff88008f267d58 [174344.225025] RBP: ffff88008f267c38 R08: 0000000000000000 R09: 00000000001d7588 [174344.225025] R10: ffff88011ffd5740 R11: 0000000000000018 R12: ffffea0001eb4100 [174344.225025] R13: 00007f6bbff02000 R14: ffff88007ad04ff8 R15: 00007f6bbff01fff [174344.225025] FS: 00007f6bd1be0740(0000) GS:ffff88011b400000(0000) knlGS:0000000000000000 [174344.225025] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [174344.225025] CR2: 0000000000449a00 CR3: 000000008d857000 CR4: 00000000000006e0 [174344.225025] Stack: [174344.225025] ffff88008f267d58 00007f6bbff02000 ffff88008f267ce8 ffffffff8119427f [174344.225025] 00007effffffffff 00007f6bbfffffff 00007f0000000000 00007f6bc0000000 [174344.225025] 00007f6bbff01fff 00007f6bc0000000 00007f6bbff02000 00007f2a5c502000 [174344.225025] Call Trace: [174344.225025] [] free_pgd_range+0x2bf/0x410 [174344.225025] [] free_pgtables+0xce/0x120 [174344.225025] [] unmap_region+0xe0/0x120 [174344.225025] [] ? move_page_tables+0x526/0x6b0 [174344.225025] [] do_munmap+0x249/0x360 [174344.225025] [] move_vma+0x144/0x270 [174344.225025] [] SyS_mremap+0x3b9/0x510 [174344.225025] [] system_call_fastpath+0x16/0x1b [174344.225025] Code: 83 7c 24 20 00 75 24 4c 89 e7 e8 bd b7 14 00 4c 89 e6 48 89 df e8 82 b9 14 00 85 c0 75 08 48 89 df e8 36 c9 14 00 5b 41 5c c9 c3 <0f> 0b eb fe 90 90 90 90 90 90 90 90 90 90 90 90 90 55 48 89 e5 [174344.225025] RIP [] ___pmd_free_tlb+0x6f/0x80 [174344.225025] RSP -- 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