On Mon, Aug 29, 2016 at 06:37:54PM +0800, Eryu Guan wrote: > Hi, > > I've hit an XFS internal error then filesystem shutdown with 4.8-rc3 > kernel but not with 4.8-rc2 Sometimes I hit the following warning instead of the fs shutdown, if I lowered the stress load. [15276.032482] ------------[ cut here ]------------ [15276.055649] WARNING: CPU: 1 PID: 5535 at fs/xfs/xfs_aops.c:1069 xfs_vm_releasepage+0x106/0x130 [xfs] [15276.101221] Modules linked in: xt_CHECKSUM ipt_MASQUERADE nf_nat_masquerade_ipv4 tun ipt_REJECT nf_reject_ipv4 ip6t_rpfilter ip6t_REJECT nf_reject_ipv6 xt_conntrack ip_set nfnetlink ebtable_nat ebtable_broute bridge stp llc ip6table_nat nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6 ip6table_mangle ip6table_security ip6table_raw iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack iptable_mangle iptable_security iptable_raw ebtable_filter ebtables ip6table_filter ip6_tables iptable_filter intel_rapl sb_edac edac_core x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm irqbypass crct10dif_pclmul crc32_pclmul ghash_clmulni_intel aesni_intel lrw gf128mul iTCO_wdt glue_helper ipmi_ssif ablk_helper iTCO_vendor_support cryptd i2c_i801 hpwdt ipmi_si hpilo sg pcspkr wmi i2c_smbus ioatdma ipmi_msghandler pcc_cpufreq lpc_ich dca shpchp acpi_cpufreq acpi_power_meter nfsd auth_rpcgss nfs_acl lockd grace sunrpc ip_tables xfs libcrc32c sd_mod mgag200 i2c_algo_bit drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops ttm drm tg3 uas ptp serio_raw usb_storage crc32c_intel hpsa i2c_core pps_core scsi_transport_sas fjes dm_mirror dm_region_hash dm_log dm_mod [15276.593111] CPU: 1 PID: 5535 Comm: bash-shared-map Not tainted 4.8.0-rc3 #1 [15276.627509] Hardware name: HP ProLiant DL360 Gen9, BIOS P89 05/06/2015 [15276.658663] 0000000000000286 00000000b9ab484d ffff88085269f500 ffffffff8135c53c [15276.693463] 0000000000000000 0000000000000000 ffff88085269f540 ffffffff8108d661 [15276.728306] 0000042d18524440 ffffea0018524460 ffffea0018524440 ffff88085e615028 [15276.762986] Call Trace: [15276.774250] [<ffffffff8135c53c>] dump_stack+0x63/0x87 [15276.798320] [<ffffffff8108d661>] __warn+0xd1/0xf0 [15276.820742] [<ffffffff8108d79d>] warn_slowpath_null+0x1d/0x20 [15276.848141] [<ffffffffa02c3226>] xfs_vm_releasepage+0x106/0x130 [xfs] [15276.878802] [<ffffffff8119a9fd>] try_to_release_page+0x3d/0x60 [15276.906568] [<ffffffff811b1fec>] shrink_page_list+0x83c/0x9b0 [15276.933952] [<ffffffff811b293d>] shrink_inactive_list+0x21d/0x570 [15276.962881] [<ffffffff811b350e>] shrink_node_memcg+0x51e/0x7d0 [15276.990564] [<ffffffff812176d7>] ? mem_cgroup_iter+0x127/0x2c0 [15277.017923] [<ffffffff811b38a1>] shrink_node+0xe1/0x310 [15277.042940] [<ffffffff811b3dcb>] do_try_to_free_pages+0xeb/0x370 [15277.071624] [<ffffffff811b413f>] try_to_free_pages+0xef/0x1b0 [15277.100457] [<ffffffff81225b96>] __alloc_pages_slowpath+0x33d/0x865 [15277.132333] [<ffffffff811a4874>] __alloc_pages_nodemask+0x2d4/0x320 [15277.162990] [<ffffffff811f5de8>] alloc_pages_current+0x88/0x120 [15277.191163] [<ffffffff8119a9ae>] __page_cache_alloc+0xae/0xc0 [15277.218596] [<ffffffff811a93c8>] __do_page_cache_readahead+0xf8/0x250 [15277.249416] [<ffffffff81262841>] ? mark_buffer_dirty+0x91/0x120 [15277.277823] [<ffffffff813628dd>] ? radix_tree_lookup+0xd/0x10 [15277.305062] [<ffffffff811a9655>] ondemand_readahead+0x135/0x260 [15277.332764] [<ffffffff811a97ec>] page_cache_async_readahead+0x6c/0x70 [15277.363440] [<ffffffff8119e1a3>] filemap_fault+0x393/0x550 [15277.389663] [<ffffffffa02cce3f>] xfs_filemap_fault+0x5f/0xf0 [xfs] [15277.418997] [<ffffffff811cda3f>] __do_fault+0x7f/0x100 [15277.443617] [<ffffffffa02c29d4>] ? xfs_vm_set_page_dirty+0xc4/0x1e0 [xfs] [15277.475880] [<ffffffff811d319d>] handle_mm_fault+0x65d/0x1300 [15277.503198] [<ffffffff8106b04b>] __do_page_fault+0x1cb/0x4a0 [15277.530218] [<ffffffff8106b350>] do_page_fault+0x30/0x80 [15277.555708] [<ffffffff816fa048>] page_fault+0x28/0x30 [15277.579871] ---[ end trace 5211814c2a051103 ]--- And I'm still trying to find a more reliable & efficient reproducer. Thanks, Eryu _______________________________________________ xfs mailing list xfs@xxxxxxxxxxx http://oss.sgi.com/mailman/listinfo/xfs
