From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.palepurple.co.uk ([89.16.183.188]:35828 "EHLO mail.palepurple.co.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750749AbbFMTDe (ORCPT ); Sat, 13 Jun 2015 15:03:34 -0400 Received: from localhost (localhost [127.0.0.1]) by mail.palepurple.co.uk (Postfix) with ESMTP id 2E65580E7 for ; Sat, 13 Jun 2015 20:03:32 +0100 (BST) Received: from mail.palepurple.co.uk ([127.0.0.1]) by localhost (mail.palepurple.co.uk [127.0.0.50]) (amavisd-new, port 10024) with ESMTP id ppyavsq1Dm3H for ; Sat, 13 Jun 2015 20:03:20 +0100 (BST) Received: from mabel.local (97e41746.skybroadband.com [151.228.23.70]) (using TLSv1 with cipher ECDHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) (Authenticated sender: david@palepurple.co.uk) by mail.palepurple.co.uk (Postfix) with ESMTPSA id 86475803C for ; Sat, 13 Jun 2015 20:03:20 +0100 (BST) Message-ID: <557C7E77.3010801@codepoets.co.uk> Date: Sat, 13 Jun 2015 20:03:19 +0100 From: David Goodwin MIME-Version: 1.0 To: "linux-btrfs@vger.kernel.org" Subject: kernel oops report Content-Type: text/plain; charset=UTF-8; format=flowed Sender: linux-btrfs-owner@vger.kernel.org List-ID: Debian Jessie - ec2 server running a number of lxc containers which are based off btrfs snapshots for PHP apps. The containers have cgroup memory limits placed upon them. ( rsync would have been backing up the document roots (bind mounted into the containers from a btrfs volume which doesn't have any snapshots etc) ) David. ------------[ cut here ]------------ kernel BUG at /build/linux-RGM_Ed/linux-3.16.7-ckt9/mm/page_alloc.c:1011! invalid opcode: 0000 [#1] SMP Modules linked in: ufs qnx4 hfsplus hfs minix ntfs vfat msdos fat jfs xfs libcrc32c dm_mod binfmt_misc veth xt_multiport iptable_filter ip_tables x_tables ip_gre ip_tunnel gre bridge stp llc nfsd auth_rpcgss oid_registry nfs_acl nfs lockd fscache sunrpc crc32_pclmul ghash_clmulni_intel aesni_intel ppdev ttm aes_x86_64 drm_kms_helper lrw gf128mul glue_helper drm ablk_helper psmouse cryptd evdev i2c_piix4 serio_raw i2c_core parport_pc parport button processor thermal_sys fuse autofs4 ext4 crc16 mbcache jbd2 btrfs xor raid6_pq ata_generic xen_blkfront crct10dif_pclmul crct10dif_common crc32c_intel floppy ata_piix libata scsi_mod ixgbevf CPU: 0 PID: 18025 Comm: rsync Not tainted 3.16.0-4-amd64 #1 Debian 3.16.7-ckt9-3~deb8u1 Hardware name: Xen HVM domU, BIOS 4.2.amazon 05/06/2015 task: ffff8802369dcb60 ti: ffff880015ba4000 task.ti: ffff880015ba4000 RIP: 0010:[] [] move_freepages+0x107/0x110 RSP: 0018:ffff880015ba7948 EFLAGS: 00010006 RAX: ffff8803e08fb000 RBX: 0000000000000000 RCX: 0000000000000001 RDX: ffffea000d922fc8 RSI: ffffea000d91c000 RDI: ffff8803e08fbe00 RBP: 0000000000000001 R08: ffff8803e08fbe00 R09: 0000000000000000 R10: 0000000000000000 R11: ffff8803e08fbeb0 R12: ffffea000d91c5e8 R13: 0000000000000000 R14: 0000000000000000 R15: ffff8803e08fbe00 FS: 00007f6709d14700(0000) GS:ffff8803e0400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f670ab0eac8 CR3: 000000039bd7e000 CR4: 00000000001406f0 Stack: ffffffff81143a6c 0000000000000000 000000020000024c ffffea000d91c608 ffff8803e08fbe90 0000000100000000 0000000000000000 ffff8803e08fbe00 000000000000001f 0000000000000000 0000000000000001 000000000000001e Call Trace: [] ? __rmqueue+0x37c/0x460 [] ? get_page_from_freelist+0x685/0x910 [] ? __alloc_pages_nodemask+0x16d/0xb30 [] ? btrfs_get_token_16+0x57/0xf0 [btrfs] [] ? btrfs_set_path_blocking+0x31/0x70 [btrfs] [] ? find_inode+0x6c/0x90 [] ? btrfs_clean_one_deleted_snapshot+0x110/0x110 [btrfs] [] ? create_pinned_em+0x130/0x130 [btrfs] [] ? kmem_getpages+0x5b/0x110 [] ? cache_grow+0x21b/0x240 [] ? kmem_cache_alloc+0x183/0x450 [] ? __d_alloc+0x20/0x170 [] ? d_alloc+0x13/0x70 [] ? lookup_dcache+0x8b/0xc0 [] ? __lookup_hash+0x1a/0x40 [] ? lookup_slow+0x3e/0xa3 [] ? path_lookupat+0x715/0x780 [] ? __mem_cgroup_commit_charge+0x84/0x370 [] ? filename_lookup+0x26/0xc0 [] ? user_path_at_empty+0x54/0x90 [] ? from_kgid_munged+0xe/0x20 [] ? cp_new_stat+0x13a/0x160 [] ? vfs_fstatat+0x46/0x90 [] ? SYSC_newlstat+0x1d/0x40 [] ? system_call_fast_compare_end+0x10/0x15 Code: e1 4c 89 56 10 4d 63 c1 44 89 c9 4e 8d 0c c5 00 00 00 00 49 c1 e0 06 01 c8 4d 29 c8 4c 01 c6 48 39 f2 73 89 5b 5d 41 5c 41 5d c3 <0f> 0b 0f 1f 80 00 00 00 00 0f 1f 44 00 00 49 b9 00 00 00 00 00 RIP [] move_freepages+0x107/0x110 RSP ---[ end trace fcc878a87658ea75 ]--- -- David Goodwin http://codepoets.co.uk