Tsutomu Itoh
2014-Jun-16 06:35 UTC
[3.16-rc1] BUG: soft lockup - CPU#0 stuck for 23s! [kworker/u25:4:5189]
I encountered soft lockup when executing 'xfstests btrfs/042' on 3.16-rc1. =============== [ 1121.983975] BTRFS: device fsid 8cc641f9-563a-4d62-9157-9503156ce62c devid 1 transid 4 /dev/sdc5 [ 1121.987994] BTRFS info (device sdc5): disk space caching is enabled [ 1121.987999] BTRFS: flagging fs with big metadata feature [ 1121.996312] BTRFS: creating UUID tree [ 1122.050762] BTRFS info (device sdc5): qgroup scan completed [ 1147.942181] BUG: soft lockup - CPU#0 stuck for 23s! [kworker/u25:4:5189] [ 1147.949658] Modules linked in: loop ipt_MASQUERADE iptable_nat nf_nat_ipv4 nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack xt_CHECKSUM iptable_mangle bridge stp llc ip6table_filter ip6_tables ebtable_nat ebtables btrfs coretemp kvm_intel kvm xor raid6_pq crc32_pclmul crc32c_intel ghash_clmulni_intel nfsd igb microcode ptp pps_core dca iTCO_wdt shpchp auth_rpcgss iTCO_vendor_support i7core_edac pcspkr edac_core i2c_i801 lpc_ich mfd_core ipmi_si tpm_infineon ipmi_msghandler tpm_tis nfs_acl tpm acpi_power_meter lockd acpi_cpufreq sunrpc usb_storage mgag200 syscopyarea sysfillrect sysimgblt i2c_algo_bit drm_kms_helper ttm ata_generic pata_acpi drm megaraid_sas i2c_core ata_piix [ 1147.949695] CPU: 0 PID: 5189 Comm: kworker/u25:4 Not tainted 3.16.0-rc1 #1 [ 1147.949696] Hardware name: FUJITSU-SV PRIMERGY /D2619, BIOS 6.00 Rev. 1.03.2619.N1 04/06/2010 [ 1147.949717] Workqueue: btrfs-endio-write normal_work_helper [btrfs] [ 1147.949718] task: ffff88007408b840 ti: ffff8800740e4000 task.ti: ffff8800740e4000 [ 1147.949720] RIP: 0010:[<ffffffff810ba858>] [<ffffffff810ba858>] queue_read_lock_slowpath+0x68/0x90 [ 1147.949725] RSP: 0018:ffff8800740e7b08 EFLAGS: 00000202 [ 1147.949726] RAX: 00000000000000ee RBX: 0000000000000012 RCX: 0000000000000001 [ 1147.949727] RDX: 00000000000000ef RSI: 0000000000000004 RDI: ffff88003db221b0 [ 1147.949728] RBP: ffff8800740e7b08 R08: 0000000000000001 R09: ffff880071486b58 [ 1147.949729] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8800715d1900 [ 1147.949730] R13: 0000000000000000 R14: 0000000000000003 R15: 0000000000000002 [ 1147.949732] FS: 0000000000000000(0000) GS:ffff88007dc00000(0000) knlGS:0000000000000000 [ 1147.949733] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b [ 1147.949734] CR2: 00000036c97b9490 CR3: 0000000001c0e000 CR4: 00000000000007f0 [ 1147.949735] Stack: [ 1147.949736] ffff8800740e7b18 ffffffff8166bcbc ffff8800740e7b38 ffffffffa070ffe4 [ 1147.949738] 0000000000000001 ffffffffffffffe8 ffff8800740e7b58 ffffffffa06b0c2a [ 1147.949740] ffff8800719de360 0000000000000000 ffff8800740e7bf8 ffffffffa06b5e32 [ 1147.949742] Call Trace: [ 1147.949748] [<ffffffff8166bcbc>] _raw_read_lock+0x1c/0x30 [ 1147.949760] [<ffffffffa070ffe4>] btrfs_clear_lock_blocking_rw+0x44/0x150 [btrfs] [ 1147.949767] [<ffffffffa06b0c2a>] btrfs_clear_path_blocking+0x3a/0x80 [btrfs] [ 1147.949774] [<ffffffffa06b5e32>] btrfs_search_slot+0x702/0xa10 [btrfs] [ 1147.949783] [<ffffffffa06cbe2e>] btrfs_lookup_csum+0x5e/0x180 [btrfs] [ 1147.949792] [<ffffffffa06cd19c>] btrfs_csum_file_blocks+0xbc/0x680 [btrfs] [ 1147.949798] [<ffffffffa06b0d46>] ? btrfs_free_path+0x26/0x30 [btrfs] [ 1147.949809] [<ffffffffa06db1e0>] add_pending_csums.isra.42+0x50/0x80 [btrfs] [ 1147.949819] [<ffffffffa06e1410>] btrfs_finish_ordered_io+0x470/0x570 [btrfs] [ 1147.949830] [<ffffffffa06e1785>] finish_ordered_fn+0x15/0x20 [btrfs] [ 1147.949841] [<ffffffffa0706b3c>] normal_work_helper+0xbc/0x290 [btrfs] [ 1147.949844] [<ffffffff8108ab95>] process_one_work+0x175/0x430 [ 1147.949846] [<ffffffff8108b23b>] worker_thread+0x11b/0x520 [ 1147.949848] [<ffffffff8108b120>] ? rescuer_thread+0x2d0/0x2d0 [ 1147.949851] [<ffffffff81091712>] kthread+0xd2/0xf0 [ 1147.949853] [<ffffffff81091640>] ? insert_kthread_work+0x40/0x40 [ 1147.949855] [<ffffffff8166c23c>] ret_from_fork+0x7c/0xb0 [ 1147.949857] [<ffffffff81091640>] ? insert_kthread_work+0x40/0x40 [ 1147.949858] Code: 00 00 00 f3 90 8b 07 84 c0 75 f8 b8 00 01 00 00 f0 0f c1 07 3c ff 75 0b 0f 1f 00 f3 90 8b 07 3c ff 74 f8 80 47 04 01 5d c3 f3 90 <0f> b6 47 04 38 c2 75 f6 eb bf 8b 07 3c ff 75 ec f3 90 8b 07 3c -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html