************************ crashinfo ************************* /exports/testreports/47154/testresults/sanity-pcc-zfs-centos7_x86_64-centos7_x86_64/oleg128-client-timeout-core (3.10.0-7.9-debug) +==========================+ | *** Crashinfo v1.3.7 *** | +==========================+ +++WARNING+++ PARTIAL DUMP with size(vmcore) < 25% size(RAM) KERNEL: /tmp/crash-anaysis.9xM2W/vmlinux [TAINTED] DUMPFILE: /exports/testreports/47154/testresults/sanity-pcc-zfs-centos7_x86_64-centos7_x86_64/oleg128-client-timeout-core [PARTIAL DUMP] CPUS: 4 DATE: Wed Nov 13 12:40:37 EST 2024 UPTIME: 00:33:26 LOAD AVERAGE: 2.00, 2.00, 1.75 TASKS: 159 NODENAME: oleg128-client.virtnet RELEASE: 3.10.0-7.9-debug VERSION: #1 SMP Sat Mar 26 23:28:42 EDT 2022 MACHINE: x86_64 (2399 Mhz) MEMORY: 4 GB PANIC: "" +--------------------------+ >------------------------| Per-cpu Stacks ('bt -a') |------------------------< +--------------------------+ -- CPU#0 -- PID=0 CPU=0 CMD=swapper/0 #-1 native_safe_halt+0xb, 449 bytes of data #0 default_idle+0x1e #1 default_enter_idle+0x45 #2 cpuidle_enter_state+0x40 #3 cpuidle_idle_call+0xd8 #4 arch_cpu_idle+0xe #5 cpu_startup_entry+0x14a #6 rest_init+0x8e #7 start_kernel+0x456 #8 x86_64_start_reservations+0x2a #9 x86_64_start_kernel+0x152 #10 start_cpu+0x5 -- CPU#1 -- PID=0 CPU=1 CMD=swapper/1 #-1 native_safe_halt+0xb, 449 bytes of data #0 default_idle+0x1e #1 default_enter_idle+0x45 #2 cpuidle_enter_state+0x40 #3 cpuidle_idle_call+0xd8 #4 arch_cpu_idle+0xe #5 cpu_startup_entry+0x14a #6 start_secondary+0x1eb #7 start_cpu+0x5 -- CPU#2 -- PID=0 CPU=2 CMD=swapper/2 #-1 native_safe_halt+0xb, 449 bytes of data #0 default_idle+0x1e #1 default_enter_idle+0x45 #2 cpuidle_enter_state+0x40 #3 cpuidle_idle_call+0xd8 #4 arch_cpu_idle+0xe #5 cpu_startup_entry+0x14a #6 start_secondary+0x1eb #7 start_cpu+0x5 -- CPU#3 -- PID=0 CPU=3 CMD=swapper/3 #-1 native_safe_halt+0xb, 449 bytes of data #0 default_idle+0x1e #1 default_enter_idle+0x45 #2 cpuidle_enter_state+0x40 #3 cpuidle_idle_call+0xd8 #4 arch_cpu_idle+0xe #5 cpu_startup_entry+0x14a #6 start_secondary+0x1eb #7 start_cpu+0x5 +--------------------------------+ >---------------------| How This Dump Has Been Created |---------------------< +--------------------------------+ Cannot identify the specific condition that triggered vmcore +---------------+ >------------------------------| Tasks Summary |------------------------------< +---------------+ Number of Threads That Ran Recently ----------------------------------- last second 10 last 5s 25 last 60s 32 ----- Total Numbers of Threads per State ------ TASK_INTERRUPTIBLE 153 TASK_RUNNING 1 TASK_UNINTERRUPTIBLE 2 +++WARNING+++ There are 3 threads running in their own namespaces Use 'taskinfo --ns' to get more details +-----------------------+ >--------------------------| 5 Most Recent Threads |--------------------------< +-----------------------+ PID CMD Age ARGS ----- -------------- ------ ---------------------------- 9 rcu_sched 0 ms (no user stack) 46 kworker/2:1 0 ms (no user stack) 899 in:imjournal 0 ms /usr/sbin/rsyslogd -n 1 systemd 0 ms /usr/lib/systemd/systemd --switched-root --system --deserialize 22 49 kworker/0:1 278 ms (no user stack) +------------------------+ >-------------------------| Memory Usage (kmem -i) |-------------------------< +------------------------+ PAGES TOTAL PERCENTAGE TOTAL MEM 955079 3.6 GB ---- FREE 859637 3.3 GB 90% of TOTAL MEM USED 95442 372.8 MB 9% of TOTAL MEM SHARED 10077 39.4 MB 1% of TOTAL MEM BUFFERS 5316 20.8 MB 0% of TOTAL MEM CACHED 47012 183.6 MB 4% of TOTAL MEM SLAB 10814 42.2 MB 1% of TOTAL MEM TOTAL HUGE 0 0 ---- HUGE FREE 0 0 0% of TOTAL HUGE TOTAL SWAP 262143 1024 MB ---- SWAP USED 0 0 0% of TOTAL SWAP SWAP FREE 262143 1024 MB 100% of TOTAL SWAP COMMIT LIMIT 739682 2.8 GB ---- COMMITTED 64380 251.5 MB 8% of TOTAL LIMIT +++three oldest UNINTERRUPTIBLE threads ... ran 1863s ago PID=65 CPU=0 CMD=kworker/u8:1 #0 __schedule+0x2e2 #1 schedule+0x29 #2 rwsem_down_read_failed+0xfd #3 call_rwsem_down_read_failed+0x18 #4 down_read+0x33 #5 lov_io_init+0xd6 #6 __cl_io_init+0x90 #7 cl_io_init+0x43 #8 cl_sync_file_range+0x1d9 #9 ll_writepages+0xf1 #10 do_writepages+0x21 #11 __writeback_single_inode+0x40 #12 writeback_sb_inodes+0x2a6 #13 __writeback_inodes_wb+0x9f #14 wb_writeback+0x28b #15 bdi_writeback_workfn+0x30e #16 process_one_work+0x18d #17 worker_thread+0x126 #18 kthread+0xe4 #19 ret_from_fork_nospec_begin+0x7 ... ran 1895s ago PID=9561 CPU=0 CMD=lfs #0 __schedule+0x2e2 #1 schedule+0x29 #2 schedule_timeout+0x209 #3 io_schedule_timeout+0xad #4 io_schedule+0x18 #5 bit_wait_io+0x11 #6 __wait_on_bit_lock+0x5f #7 __lock_page+0x74 #8 truncate_inode_pages_range+0x79a #9 truncate_inode_pages_final+0x4c #10 ll_truncate_inode_pages_final+0x30 #11 vvp_prune+0x235 #12 cl_object_prune+0x5d #13 lov_conf_set+0x2c3 #14 cl_conf_set+0x68 #15 ll_layout_conf+0x81 #16 ll_layout_refresh+0x639 #17 pcc_readwrite_attach_fini+0x1da #18 ll_file_unlock_lease+0x49b #19 ll_file_set_lease+0x118 #20 ll_file_ioctl+0x21d8 #21 do_vfs_ioctl+0x40d #22 sys_ioctl+0xa1 #23 system_call_fastpath+0x1f, 477 bytes of data +-------------------------------+ >----------------------| Scheduler Runqueues (per CPU) |----------------------< +-------------------------------+ ---+ CPU=0 ---- | CURRENT TASK , CMD=swapper/0 ---+ CPU=1 ---- | CURRENT TASK , CMD=swapper/1 ---+ CPU=2 ---- | CURRENT TASK , CMD=swapper/2 ---+ CPU=3 ---- | CURRENT TASK , CMD=swapper/3 +------------------------+ >-------------------------| Network Status Summary |-------------------------< +------------------------+ TCP Connection Info ------------------- ESTABLISHED 6 LISTEN 3 NAGLE disabled (TCP_NODELAY): 4 user_data set (NFS etc.): 4 UDP Connection Info ------------------- 2 UDP sockets, 0 in ESTABLISHED Unix Connection Info ------------------------ ESTABLISHED 26 CLOSE 18 LISTEN 8 Raw sockets info -------------------- ESTABLISHED 1 Interfaces Info --------------- How long ago (in seconds) interfaces transmitted/received? Name RX TX ---- ---------- --------- lo n/a 2004.8 eth0 n/a 2.9 RSS_TOTAL=87520 pages, %mem= 1.5 +++WARNING+++ Possible hang +++WARNING+++ Run 'hanginfo' to get more details +------------+ >-------------------------------| Mounted FS |-------------------------------< +------------+ MOUNT SUPERBLK TYPE DEVNAME DIRNAME ffff880138cca000 ffff880139940800 rootfs rootfs / ffff88012aa74000 ffff88012aa68000 sysfs sysfs /sys ffff88012aa741c0 ffff880139944000 proc proc /proc ffff88012aa74380 ffff880137678000 devtmpfs devtmpfs /dev ffff88012aa74540 ffff8800b6d01800 securityfs securityfs /sys/kernel/security ffff88012aa74700 ffff88012aa68800 tmpfs tmpfs /dev/shm ffff88012aa748c0 ffff88012dbb9000 devpts devpts /dev/pts ffff88012aa74a80 ffff88012aa69000 tmpfs tmpfs /run ffff88012aa74c40 ffff88012aa69800 tmpfs tmpfs /sys/fs/cgroup ffff88012aa74e00 ffff88012aa6a000 cgroup cgroup /sys/fs/cgroup/systemd ffff88012aa74fc0 ffff88012aa6a800 pstore pstore /sys/fs/pstore ffff88012aa75180 ffff88012aa6c800 cgroup cgroup /sys/fs/cgroup/cpu,cpuacct ffff88012aa75340 ffff88012aa6c000 cgroup cgroup /sys/fs/cgroup/freezer ffff88012aa75500 ffff88012aa6b800 cgroup cgroup /sys/fs/cgroup/net_cls,net_prio ffff88012aa756c0 ffff88012aa6b000 cgroup cgroup /sys/fs/cgroup/perf_event ffff88012aa75880 ffff88012aa6d000 cgroup cgroup /sys/fs/cgroup/hugetlb ffff88012aa75a40 ffff88012aa6d800 cgroup cgroup /sys/fs/cgroup/blkio ffff88012aa75c00 ffff88012aa6e000 cgroup cgroup /sys/fs/cgroup/memory ffff88012aa75dc0 ffff88012aa6e800 cgroup cgroup /sys/fs/cgroup/devices ffff88012aa76000 ffff88012aa6f000 cgroup cgroup /sys/fs/cgroup/pids ffff88012aa761c0 ffff88012aa6f800 cgroup cgroup /sys/fs/cgroup/cpuset ffff8801377fefc0 ffff88012b3bc800 configfs configfs /sys/kernel/config ffff88012aa76540 ffff8800b6d61000 ext4 /dev/nbd0 / ffff88012aa76700 ffff8800b6d63800 rpc_pipefs rpc_pipefs /var/lib/nfs/rpc_pipefs ffff88012aa76e00 ffff8800b679d800 autofs systemd-1 /proc/sys/fs/binfmt_misc ffff88012aa76fc0 ffff88012dbba800 mqueue mqueue /dev/mqueue ffff8801377ff500 ffff8800b6d05000 hugetlbfs hugetlbfs /dev/hugepages ffff880137668540 ffff880139947800 debugfs debugfs /sys/kernel/debug ffff8801377ff6c0 ffff8800b6d05800 binfmt_misc binfmt_misc /proc/sys/fs/binfmt_misc/ ffff880138ccbc00 ffff8800b5cf7800 ramfs none /mnt ffff8801377ffa40 ffff8800b5d0b000 tmpfs none /var/lib/stateless/writable ffff880137668700 ffff8800b6625800 squashfs /dev/vda /home/green/git/lustre-release ffff88012aa77180 ffff8800b5d0b000 tmpfs none /var/cache/man ffff8801377ffc00 ffff8800b5d0b000 tmpfs none /var/log ffff8801376688c0 ffff8800b5d0b000 tmpfs none /var/lib/dbus ffff88012aa77340 ffff8800b5d0b000 tmpfs none /tmp ffff880137668a80 ffff8800b5d0b000 tmpfs none /var/lib/dhclient ffff880137668c40 ffff8800b5d0b000 tmpfs none /var/tmp ffff880137668e00 ffff8800b5d0b000 tmpfs none /var/lib/NetworkManager ffff880137668fc0 ffff8800b5d0b000 tmpfs none /var/lib/systemd/random-seed ffff880137669180 ffff8800b5d0b000 tmpfs none /var/spool ffff880137669340 ffff8800b5d0b000 tmpfs none /var/lib/nfs ffff880137669500 ffff8800b5d0b000 tmpfs none /var/lib/gssproxy ffff8800b5c4c000 ffff8800b5d0b000 tmpfs none /var/lib/logrotate ffff8801376696c0 ffff8800b5d0b000 tmpfs none /etc ffff880137669880 ffff8800b5d0b000 tmpfs none /var/lib/rsyslog ffff8800b5c4c1c0 ffff8800b5d0b000 tmpfs none /var/lib/dhclient/var/lib/dhclient ffff8801377ffdc0 ffff8800b5d0a000 nfs4 192.168.200.253:/exports/state/oleg128-client.virtnet /var/lib/stateless/state ffff88012aa77500 ffff8800b5d0a000 nfs4 192.168.200.253:/exports/state/oleg128-client.virtnet /boot ffff8800b5c4c380 ffff8800b5d0a000 nfs4 192.168.200.253:/exports/state/oleg128-client.virtnet /etc/etc/kdump.conf ffff8800b5c4c540 ffff8800b6d63800 rpc_pipefs sunrpc /var/lib/nfs/var/lib/nfs/rpc_pipefs ffff8800b3841340 ffff8800ae4c2800 nfs4 192.168.200.253://exports/testreports/47154/testresults/sanity-pcc-zfs-centos7_x86_64-centos7_x86_64 /tmp/tmp/testlogs ffff8800b3841500 ffff8800b5cd4800 tmpfs tmpfs /run/user/0 ffff88012aa76c40 ffff8800b6625800 squashfs /dev/vda /usr/sbin/mount.lustre ffff880138ccb180 ffff8800b5cf3000 lustre 192.168.201.128@tcp:/lustre /mnt/lustre ffff8800b3840fc0 ffff8800a9c6f800 lustre 192.168.201.128@tcp:/lustre /mnt/lustre2 ffff8800b3840700 ffff88012ab41800 ext4 /dev/loop0 /mnt/pcc.d1a.sanity-pcc +-------------------------------+ >----------------------| Last 40 lines of dmesg buffer |----------------------< +-------------------------------+ [ 721.253875] [] ? mdc_set_lock_data+0xdb/0x240 [mdc] [ 721.255222] [] ll_layout_refresh+0x639/0xb20 [lustre] [ 721.256692] [] pcc_readwrite_attach_fini+0x1da/0x4b0 [lustre] [ 721.258204] [] ll_file_unlock_lease+0x49b/0xf80 [lustre] [ 721.259639] [] ll_file_set_lease+0x118/0x910 [lustre] [ 721.261049] [] ? lprocfs_counter_add+0xe9/0x180 [obdclass] [ 721.262640] [] ll_file_ioctl+0x21d8/0x61e0 [lustre] [ 721.263987] [] ? __handle_mm_fault+0x31d/0x720 [ 721.265334] [] do_vfs_ioctl+0x40d/0x6c0 [ 721.266506] [] ? __do_page_fault+0x1c5/0x500 [ 721.267631] [] SyS_ioctl+0xa1/0xc0 [ 721.268775] [] system_call_fastpath+0x1f/0x24 [ 841.269986] INFO: task kworker/u8:1:65 blocked for more than 120 seconds. [ 841.273681] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 841.277641] kworker/u8:1 D ffff88012b2f2818 13184 65 2 0x00000000 [ 841.281403] Workqueue: writeback bdi_writeback_workfn (flush-lustre-ffff8800b5) [ 841.285429] Call Trace: [ 841.286587] [] schedule+0x29/0x70 [ 841.289261] [] rwsem_down_read_failed+0xfd/0x1b0 [ 841.292426] [] call_rwsem_down_read_failed+0x18/0x30 [ 841.295737] [] down_read+0x33/0x50 [ 841.298485] [] lov_io_init+0xd6/0x420 [lov] [ 841.301899] [] __cl_io_init.isra.3+0x90/0x170 [obdclass] [ 841.305331] [] cl_io_init+0x43/0x80 [obdclass] [ 841.308737] [] cl_sync_file_range+0x1d9/0x3b0 [lustre] [ 841.312320] [] ll_writepages+0xf1/0x230 [lustre] [ 841.315697] [] do_writepages+0x21/0x50 [ 841.318674] [] __writeback_single_inode+0x40/0x2a0 [ 841.321712] [] ? enqueue_entity+0x2ef/0xc30 [ 841.324785] [] writeback_sb_inodes+0x2a6/0x480 [ 841.328014] [] __writeback_inodes_wb+0x9f/0xd0 [ 841.331439] [] wb_writeback+0x28b/0x340 [ 841.334285] [] bdi_writeback_workfn+0x30e/0x4e0 [ 841.337672] [] process_one_work+0x18d/0x4a0 [ 841.340342] [] worker_thread+0x126/0x3b0 [ 841.343264] [] ? manage_workers.isra.23+0x2a0/0x2a0 [ 841.346307] [] kthread+0xe4/0xf0 [ 841.348684] [] ? kthread_create_on_node+0x140/0x140 [ 841.351608] [] ret_from_fork_nospec_begin+0x7/0x21 [ 841.354625] [] ? kthread_create_on_node+0x140/0x140 ****************************************************************************** ************************ A Summary Of Problems Found ************************* ****************************************************************************** -------------------- A list of all +++WARNING+++ messages -------------------- PARTIAL DUMP with size(vmcore) < 25% size(RAM) There are 3 threads running in their own namespaces Use 'taskinfo --ns' to get more details Possible hang Run 'hanginfo' to get more details ------------------------------------------------------------------------------ ** Execution took 11.39s (real) 5.91s (CPU), Child processes: 5.42s