On 06/16/2014 07:57 PM, Tsutomu Itoh wrote: > On 2014/06/17 8:52, Chris Mason wrote: >> On 06/16/2014 07:28 PM, Tsutomu Itoh wrote: >>> Hi Chris, >>> >>> On 2014/06/17 2:56, Chris Mason wrote: >>>> On 06/16/2014 02:35 AM, Tsutomu Itoh wrote: >>>>> I encountered soft lockup when executing 'xfstests btrfs/042' on 3.16-rc1. >>>>> >>>> >>>> Did we recover, or was it stuck forever? >>> >>> The following messages are repeatedly output. >>> And stuck forever. >>> >>> [ 1147.942181] BUG: soft lockup - CPU#0 stuck for 23s! [kworker/u25:4:5189] >>> [ 1147.967175] BUG: soft lockup - CPU#3 stuck for 23s! [kworker/u25:9:5194] >>> [ 1147.979172] BUG: soft lockup - CPU#4 stuck for 23s! [kworker/u25:15:5200] >>> [ 1147.991169] BUG: soft lockup - CPU#5 stuck for 23s! [kworker/u25:7:5192] >>> [ 1148.064153] BUG: soft lockup - CPU#6 stuck for 23s! [kworker/u26:3:3182] >> >> Can you please capture a stack trace from all the cpus? >> > > crash> log > ... > [ 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]
Also, which line of ctree.c is this call? Thanks! -chris -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
