Just hit this with Linus current tree (4523e1458566a0e8ecfaff90f380dd23acc44d27) [ 1820.876977] WARNING: at lib/list_debug.c:59 __list_del_entry+0xa1/0xd0() [ 1820.878686] list_del corruption. prev->next should be ffffea0004b32de0, but was ffffea0004b35660 [ 1820.879605] Modules linked in: fuse nfnetlink dccp_ipv6 dccp_ipv4 dccp tun ipt_ULOG binfmt_misc usb_debug sctp libcrc32c caif_socket caif phonet bluetooth rfkill can llc2 pppoe pppox ppp_generic slhc irda crc_ccitt rds af_key decnet rose x25 atm netrom appletalk ipx p8023 psnap p8022 llc ax25 ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 xt_state nf_conntrack ip6table_filter ip6_tables kvm_intel kvm crc32c_intel ghash_clmulni_intel microcode serio_raw i2c_i801 pcspkr lpc_ich mfd_core e1000e nfsd nfs_acl auth_rpcgss lockd sunrpc i915 video i2c_algo_bit drm_kms_helper drm i2c_core [last unloaded: scsi_wait_scan] [ 1820.883166] Pid: 8742, comm: trinity-child5 Not tainted 3.4.0+ #37 [ 1820.884072] Call Trace: [ 1820.884980] [<ffffffff81048fdf>] warn_slowpath_common+0x7f/0xc0 [ 1820.885897] [<ffffffff810490d6>] warn_slowpath_fmt+0x46/0x50 [ 1820.886824] [<ffffffff813253a1>] __list_del_entry+0xa1/0xd0 [ 1820.887724] [<ffffffff811457b9>] move_freepages_block+0x159/0x190 [ 1820.888626] [<ffffffff811658b3>] suitable_migration_target.isra.15+0x1b3/0x1d0 [ 1820.889537] [<ffffffff81165afe>] compaction_alloc+0x22e/0x2f0 [ 1820.890452] [<ffffffff81198227>] migrate_pages+0xc7/0x540 [ 1820.891445] [<ffffffff811658d0>] ? suitable_migration_target.isra.15+0x1d0/0x1d0 [ 1820.892376] [<ffffffff81166856>] compact_zone+0x216/0x480 [ 1820.893303] [<ffffffff810b1208>] ? trace_hardirqs_off_caller+0x28/0xc0 [ 1820.894317] [<ffffffff81166d9d>] compact_zone_order+0x8d/0xd0 [ 1820.895316] [<ffffffff81149415>] ? get_page_from_freelist+0x565/0x970 [ 1820.896346] [<ffffffff81166ea9>] try_to_compact_pages+0xc9/0x140 [ 1820.897369] [<ffffffff8164ea81>] __alloc_pages_direct_compact+0xaa/0x1d0 [ 1820.898385] [<ffffffff81149e2b>] __alloc_pages_nodemask+0x60b/0xab0 [ 1820.899400] [<ffffffff810b1208>] ? trace_hardirqs_off_caller+0x28/0xc0 [ 1820.900424] [<ffffffff810b4b00>] ? __lock_acquire+0x2c0/0x1aa0 [ 1820.901443] [<ffffffff81189bb6>] alloc_pages_vma+0xb6/0x190 [ 1820.902466] [<ffffffff8119cca3>] do_huge_pmd_anonymous_page+0x133/0x310 [ 1820.903482] [<ffffffff8116bfb2>] handle_mm_fault+0x242/0x2e0 [ 1820.904502] [<ffffffff8116c262>] __get_user_pages+0x142/0x560 [ 1820.905498] [<ffffffff81171928>] ? mmap_region+0x3f8/0x630 [ 1820.906495] [<ffffffff81317b3d>] ? rb_insert_color+0xad/0x150 [ 1820.907473] [<ffffffff8116c732>] get_user_pages+0x52/0x60 [ 1820.908473] [<ffffffff8116d622>] make_pages_present+0x92/0xc0 [ 1820.909447] [<ffffffff811718d6>] mmap_region+0x3a6/0x630 [ 1820.910513] [<ffffffff81050a6c>] ? do_setitimer+0x1cc/0x310 [ 1820.910515] [<ffffffff81171ebd>] do_mmap_pgoff+0x35d/0x3b0 [ 1820.910517] [<ffffffff81171f76>] ? sys_mmap_pgoff+0x66/0x240 [ 1820.910520] [<ffffffff81171f94>] sys_mmap_pgoff+0x84/0x240 [ 1820.910522] [<ffffffff8131eeee>] ? trace_hardirqs_on_thunk+0x3a/0x3f [ 1820.910524] [<ffffffff81006ca2>] sys_mmap+0x22/0x30 [ 1820.910527] [<ffffffff816613d2>] system_call_fastpath+0x16/0x1b [ 1820.910528] ---[ end trace f74f2364aa4221df ]--- -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>