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SubjectRe: WARNING: at mm/page-writeback.c:1990 __set_page_dirty_nobuffers+0x13a/0x170()
On Fri, Jun 01, 2012 at 12:12:05PM -0400, Dave Jones wrote:


> So with this applied, I don't seem to be able to trigger it. It's been running two hours
> so far. I'll leave it running, but right now I don't know what to make of this.

I can trigger the list corruption still, but not the WARN.

Dave

[ 551.980716] ------------[ cut here ]------------
[ 551.981646] WARNING: at lib/list_debug.c:59 __list_del_entry+0xa1/0xd0()
[ 551.983461] list_del corruption. prev->next should be ffffea0004b305a0, but was ffffea0004f117e0
[ 551.984406] Modules linked in: tun fuse nfnetlink binfmt_misc ipt_ULOG 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 usb_debug serio_raw pcspkr i2c_i801 e1000e nfsd nfs_acl auth_rpcgss lockd sunrpc i915 video i2c_algo_bit drm_kms_helper drm i2c_core [last unloaded: scsi_wait_scan]
[ 551.988121] Pid: 21459, comm: trinity-child2 Not tainted 3.4.0+ #49
[ 551.989063] Call Trace:
[ 551.990012] [<ffffffff8104912f>] warn_slowpath_common+0x7f/0xc0
[ 551.990956] [<ffffffff81049226>] warn_slowpath_fmt+0x46/0x50
[ 551.991902] [<ffffffff81329171>] __list_del_entry+0xa1/0xd0
[ 551.992849] [<ffffffff81145ad9>] move_freepages_block+0x159/0x190
[ 551.993800] [<ffffffff81165be3>] suitable_migration_target.isra.15+0x1b3/0x1d0
[ 551.994761] [<ffffffff81165e2e>] compaction_alloc+0x22e/0x2f0
[ 551.995731] [<ffffffff81198547>] migrate_pages+0xc7/0x540
[ 551.996684] [<ffffffff81165c00>] ? suitable_migration_target.isra.15+0x1d0/0x1d0
[ 551.997638] [<ffffffff81166b86>] compact_zone+0x216/0x480
[ 551.998593] [<ffffffff810b15f8>] ? trace_hardirqs_off_caller+0x28/0xc0
[ 551.999558] [<ffffffff811670cd>] compact_zone_order+0x8d/0xd0
[ 552.000525] [<ffffffff81149735>] ? get_page_from_freelist+0x565/0x970
[ 552.001502] [<ffffffff811671d9>] try_to_compact_pages+0xc9/0x140
[ 552.002548] [<ffffffff8163f491>] __alloc_pages_direct_compact+0xaa/0x1d0
[ 552.003592] [<ffffffff8114a14b>] __alloc_pages_nodemask+0x60b/0xab0
[ 552.004650] [<ffffffff810b15f8>] ? trace_hardirqs_off_caller+0x28/0xc0
[ 552.005708] [<ffffffff810b4f00>] ? __lock_acquire+0x2d0/0x1aa0
[ 552.007332] [<ffffffff81189ec6>] alloc_pages_vma+0xb6/0x190
[ 552.008953] [<ffffffff8119cfb3>] do_huge_pmd_anonymous_page+0x133/0x310
[ 552.010584] [<ffffffff8116c2e2>] handle_mm_fault+0x242/0x2e0
[ 552.012233] [<ffffffff8116c592>] __get_user_pages+0x142/0x560
[ 552.013891] [<ffffffff81171c58>] ? mmap_region+0x3f8/0x630
[ 552.015753] [<ffffffff8116ca62>] get_user_pages+0x52/0x60
[ 552.017348] [<ffffffff8116d952>] make_pages_present+0x92/0xc0
[ 552.018936] [<ffffffff81171c06>] mmap_region+0x3a6/0x630
[ 552.021074] [<ffffffff81050e2c>] ? do_setitimer+0x1cc/0x310
[ 552.022367] [<ffffffff811721ed>] do_mmap_pgoff+0x35d/0x3b0
[ 552.023406] [<ffffffff811722a6>] ? sys_mmap_pgoff+0x66/0x240
[ 552.024429] [<ffffffff811722c4>] sys_mmap_pgoff+0x84/0x240
[ 552.025445] [<ffffffff81322cbe>] ? trace_hardirqs_on_thunk+0x3a/0x3f
[ 552.026466] [<ffffffff81006ca2>] sys_mmap+0x22/0x30
[ 552.027486] [<ffffffff81651c92>] system_call_fastpath+0x16/0x1b
[ 552.028521] ---[ end trace c092df1e14d11d14 ]---



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