************************ crashinfo ************************* /exports/testreports/47154/testresults/sanity-flr-zfs-centos7_x86_64-centos7_x86_64/oleg131-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.14NN3/vmlinux [TAINTED] DUMPFILE: /exports/testreports/47154/testresults/sanity-flr-zfs-centos7_x86_64-centos7_x86_64/oleg131-client-timeout-core [PARTIAL DUMP] CPUS: 4 DATE: Wed Nov 13 12:40:48 EST 2024 UPTIME: 00:33:40 LOAD AVERAGE: 2.00, 1.99, 1.75 TASKS: 152 NODENAME: oleg131-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 16 last 5s 26 last 60s 31 ----- Total Numbers of Threads per State ------ TASK_INTERRUPTIBLE 146 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 ----- -------------- ------ ---------------------------- 14 watchdog/1 0 ms (no user stack) 28 watchdog/3 0 ms (no user stack) 906 in:imjournal 0 ms /usr/sbin/rsyslogd -n 1129 sshd 200 ms sshd: root@pts/0 13 watchdog/0 227 ms (no user stack) +------------------------+ >-------------------------| Memory Usage (kmem -i) |-------------------------< +------------------------+ PAGES TOTAL PERCENTAGE TOTAL MEM 955079 3.6 GB ---- FREE 859160 3.3 GB 89% of TOTAL MEM USED 95919 374.7 MB 10% of TOTAL MEM SHARED 9905 38.7 MB 1% of TOTAL MEM BUFFERS 5151 20.1 MB 0% of TOTAL MEM CACHED 46168 180.3 MB 4% of TOTAL MEM SLAB 10853 42.4 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 61799 241.4 MB 8% of TOTAL LIMIT +++three oldest UNINTERRUPTIBLE threads ... ran 1881s ago PID=64 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 1914s ago PID=12610 CPU=2 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 ll_file_set_lease+0x5a2 #18 ll_file_ioctl+0x21d8 #19 do_vfs_ioctl+0x40d #20 sys_ioctl+0xa1 #21 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): 5 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 -------------------- CLOSE 1 Interfaces Info --------------- How long ago (in seconds) interfaces transmitted/received? Name RX TX ---- ---------- --------- lo n/a 2018.2 eth0 n/a 0.3 RSS_TOTAL=76264 pages, %mem= 1.2 +++WARNING+++ Possible hang +++WARNING+++ Run 'hanginfo' to get more details +------------+ >-------------------------------| Mounted FS |-------------------------------< +------------+ MOUNT SUPERBLK TYPE DEVNAME DIRNAME ffff880138cca000 ffff880139940800 rootfs rootfs / ffff88012aaba000 ffff88012aa18000 sysfs sysfs /sys ffff88012aaba1c0 ffff880139944000 proc proc /proc ffff88012aaba380 ffff880137678000 devtmpfs devtmpfs /dev ffff88012aaba540 ffff8800b6cd4800 securityfs securityfs /sys/kernel/security ffff88012aaba700 ffff88012aa18800 tmpfs tmpfs /dev/shm ffff88012aaba8c0 ffff8801372f6000 devpts devpts /dev/pts ffff88012aabaa80 ffff88012aa19000 tmpfs tmpfs /run ffff88012aabac40 ffff88012aa19800 tmpfs tmpfs /sys/fs/cgroup ffff88012aabae00 ffff88012aa1a000 cgroup cgroup /sys/fs/cgroup/systemd ffff88012aabafc0 ffff88012aa1a800 pstore pstore /sys/fs/pstore ffff88012b23c700 ffff88012aac9000 cgroup cgroup /sys/fs/cgroup/cpu,cpuacct ffff88012b23c8c0 ffff88012aac8800 cgroup cgroup /sys/fs/cgroup/perf_event ffff88012b23ca80 ffff88012aac8000 cgroup cgroup /sys/fs/cgroup/freezer ffff88012b23cc40 ffff88012aac9800 cgroup cgroup /sys/fs/cgroup/blkio ffff88012b23ce00 ffff88012aaca000 cgroup cgroup /sys/fs/cgroup/devices ffff88012b23cfc0 ffff88012aaca800 cgroup cgroup /sys/fs/cgroup/pids ffff88012b23d180 ffff88012aacb000 cgroup cgroup /sys/fs/cgroup/memory ffff88012b23d340 ffff88012aacb800 cgroup cgroup /sys/fs/cgroup/hugetlb ffff88012b23d500 ffff88012aacc000 cgroup cgroup /sys/fs/cgroup/net_cls,net_prio ffff88012b23d6c0 ffff88012aacc800 cgroup cgroup /sys/fs/cgroup/cpuset ffff880138ccb6c0 ffff8800b6cd6800 configfs configfs /sys/kernel/config ffff880137669340 ffff8800b7e4f800 ext4 /dev/nbd0 / ffff88012aabb6c0 ffff88012aa1b800 rpc_pipefs rpc_pipefs /var/lib/nfs/rpc_pipefs ffff88012aabb180 ffff88012aacf000 autofs systemd-1 /proc/sys/fs/binfmt_misc ffff880137669a40 ffff88012aa1b000 hugetlbfs hugetlbfs /dev/hugepages ffff880138ccb180 ffff880139947800 debugfs debugfs /sys/kernel/debug ffff88012b23d880 ffff880137109800 mqueue mqueue /dev/mqueue ffff880137669c00 ffff88012aa1d800 binfmt_misc binfmt_misc /proc/sys/fs/binfmt_misc/ ffff880137669dc0 ffff88012a6ce800 ramfs none /mnt ffff88012b23da40 ffff8800b60ff800 tmpfs none /var/lib/stateless/writable ffff88012b23dc00 ffff88012aa1e800 squashfs /dev/vda /home/green/git/lustre-release ffff8801376696c0 ffff8800b60ff800 tmpfs none /var/cache/man ffff880137669500 ffff8800b60ff800 tmpfs none /var/log ffff880136b8a000 ffff8800b60ff800 tmpfs none /var/lib/dbus ffff88012aabba40 ffff8800b60ff800 tmpfs none /tmp ffff88012b23ddc0 ffff8800b60ff800 tmpfs none /var/lib/dhclient ffff88012aabbc00 ffff8800b60ff800 tmpfs none /var/tmp ffff880136b8a1c0 ffff8800b60ff800 tmpfs none /var/lib/NetworkManager ffff880136b8a380 ffff8800b60ff800 tmpfs none /var/lib/systemd/random-seed ffff8800b3d16000 ffff8800b60ff800 tmpfs none /var/spool ffff880136b8a540 ffff8800b60ff800 tmpfs none /var/lib/nfs ffff88012aabbdc0 ffff8800b60ff800 tmpfs none /var/lib/gssproxy ffff880136b8a700 ffff8800b60ff800 tmpfs none /var/lib/logrotate ffff880136b8a8c0 ffff8800b60ff800 tmpfs none /etc ffff880136b8aa80 ffff8800b60ff800 tmpfs none /var/lib/rsyslog ffff8800b5be6000 ffff8800b60ff800 tmpfs none /var/lib/dhclient/var/lib/dhclient ffff8800b5be61c0 ffff88012a693800 nfs4 192.168.200.253:/exports/state/oleg131-client.virtnet /var/lib/stateless/state ffff8800b5be6540 ffff88012a693800 nfs4 192.168.200.253:/exports/state/oleg131-client.virtnet /boot ffff880136b8ac40 ffff88012a693800 nfs4 192.168.200.253:/exports/state/oleg131-client.virtnet /etc/etc/kdump.conf ffff880136b8ae00 ffff88012aa1b800 rpc_pipefs sunrpc /var/lib/nfs/var/lib/nfs/rpc_pipefs ffff88012a4aa000 ffff8800b371d800 nfs4 192.168.200.253://exports/testreports/47154/testresults/sanity-flr-zfs-centos7_x86_64-centos7_x86_64 /tmp/tmp/testlogs ffff8800b3d168c0 ffff8800b3ffa000 tmpfs tmpfs /run/user/0 ffff8800b5be6700 ffff88012aa1e800 squashfs /dev/vda /usr/sbin/mount.lustre ffff8800b5be6fc0 ffff8800b3c97000 lustre 192.168.201.131@tcp:/lustre /mnt/lustre +-------------------------------+ >----------------------| Last 40 lines of dmesg buffer |----------------------< +-------------------------------+ [ 721.213978] [] cl_conf_set+0x68/0x150 [obdclass] [ 721.216553] [] ll_layout_conf+0x81/0x460 [lustre] [ 721.219123] [] ? mdc_set_lock_data+0xdb/0x240 [mdc] [ 721.221791] [] ll_layout_refresh+0x639/0xb20 [lustre] [ 721.224481] [] ll_file_set_lease+0x5a2/0x910 [lustre] [ 721.227222] [] ll_file_ioctl+0x21d8/0x61e0 [lustre] [ 721.229847] [] ? __handle_mm_fault+0x31d/0x720 [ 721.232326] [] do_vfs_ioctl+0x40d/0x6c0 [ 721.234543] [] ? __do_page_fault+0x1c5/0x500 [ 721.236882] [] SyS_ioctl+0xa1/0xc0 [ 721.238926] [] system_call_fastpath+0x1f/0x24 [ 726.429296] Lustre: lustre-OST0000-osc-ffff8800b3c97000: disconnect after 20s idle [ 726.431488] Lustre: Skipped 1 previous similar message [ 841.241263] INFO: task kworker/u8:1:64 blocked for more than 120 seconds. [ 841.243821] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 841.247083] kworker/u8:1 D ffff88012db4ec58 13184 64 2 0x00000000 [ 841.250439] Workqueue: writeback bdi_writeback_workfn (flush-lustre-ffff8800b3) [ 841.254218] Call Trace: [ 841.255310] [] schedule+0x29/0x70 [ 841.257447] [] rwsem_down_read_failed+0xfd/0x1b0 [ 841.259906] [] call_rwsem_down_read_failed+0x18/0x30 [ 841.262306] [] down_read+0x33/0x50 [ 841.264071] [] lov_io_init+0xd6/0x420 [lov] [ 841.266201] [] __cl_io_init.isra.3+0x90/0x170 [obdclass] [ 841.269111] [] cl_io_init+0x43/0x80 [obdclass] [ 841.271636] [] cl_sync_file_range+0x1d9/0x3b0 [lustre] [ 841.274639] [] ll_writepages+0xf1/0x230 [lustre] [ 841.276628] [] do_writepages+0x21/0x50 [ 841.278335] [] __writeback_single_inode+0x40/0x2a0 [ 841.280441] [] writeback_sb_inodes+0x2a6/0x480 [ 841.282341] [] __writeback_inodes_wb+0x9f/0xd0 [ 841.284371] [] wb_writeback+0x28b/0x340 [ 841.285883] [] bdi_writeback_workfn+0x30e/0x4e0 [ 841.288004] [] process_one_work+0x18d/0x4a0 [ 841.289626] [] worker_thread+0x126/0x3b0 [ 841.292039] [] ? manage_workers.isra.23+0x2a0/0x2a0 [ 841.294983] [] kthread+0xe4/0xf0 [ 841.296627] [] ? kthread_create_on_node+0x140/0x140 [ 841.299241] [] ret_from_fork_nospec_begin+0x7/0x21 [ 841.301929] [] ? 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 11.04s (real) 5.69s (CPU), Child processes: 5.29s