************************ crashinfo ************************* /exports/testreports/44341/testresults/runtests-zfs-DNE-centos7_x86_64-centos7_x86_64/oleg213-server-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.BVoGX/vmlinux [TAINTED] DUMPFILE: /exports/testreports/44341/testresults/runtests-zfs-DNE-centos7_x86_64-centos7_x86_64/oleg213-server-timeout-core [PARTIAL DUMP] CPUS: 4 DATE: Sat Jul 20 20:58:45 EDT 2024 UPTIME: 00:16:57 LOAD AVERAGE: 3.00, 2.88, 1.94 TASKS: 245 NODENAME: oleg213-server.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=905 CPU=3 CMD=in:imjournal #0 poll_select_set_timeout+0x72 #1 sys_ppoll+0x89 #2 system_call_fastpath+0x1f, 477 bytes of data +--------------------------------+ >---------------------| How This Dump Has Been Created |---------------------< +--------------------------------+ Cannot identify the specific condition that triggered vmcore +---------------+ >------------------------------| Tasks Summary |------------------------------< +---------------+ Number of Threads That Ran Recently ----------------------------------- last second 23 last 5s 32 last 60s 39 ----- Total Numbers of Threads per State ------ TASK_INTERRUPTIBLE 237 TASK_RUNNING 2 TASK_UNINTERRUPTIBLE 3 +++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 ----- -------------- ------ ---------------------------- 905 in:imjournal 0 ms /usr/sbin/rsyslogd -n 7744 z_null_iss 0 ms (no user stack) 3609 l2arc_feed 0 ms (no user stack) 7745 z_null_int 0 ms (no user stack) 3604 zthr_procedure 20 ms (no user stack) +------------------------+ >-------------------------| Memory Usage (kmem -i) |-------------------------< +------------------------+ PAGES TOTAL PERCENTAGE TOTAL MEM 955067 3.6 GB ---- FREE 786701 3 GB 82% of TOTAL MEM USED 168366 657.7 MB 17% of TOTAL MEM SHARED 9283 36.3 MB 0% of TOTAL MEM BUFFERS 5105 19.9 MB 0% of TOTAL MEM CACHED 65003 253.9 MB 6% of TOTAL MEM SLAB 15346 59.9 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 739676 2.8 GB ---- COMMITTED 59539 232.6 MB 8% of TOTAL LIMIT +++three oldest UNINTERRUPTIBLE threads ... ran 952s ago PID=7820 CPU=3 CMD=txg_quiesce #0 __schedule+0x2e2 #1 schedule+0x29 #2 cv_wait_common+0x125 #3 __cv_wait+0x15 #4 txg_quiesce_thread+0x2cb #5 thread_generic_wrapper+0x71 #6 kthread+0xe4 #7 ret_from_fork_nospec_begin+0x7 ... ran 957s ago PID=8293 CPU=1 CMD=llog_process_th #0 __schedule+0x2e2 #1 schedule+0x29 #2 spl_panic+0xf5 #3 dnode_add_ref+0xe1 #4 dnode_setdirty+0x81 #5 dbuf_dirty+0x404 #6 dbuf_dirty+0x38d #7 dmu_buf_will_dirty_impl+0x126 #8 dmu_buf_will_dirty+0x16 #9 zap_get_leaf_byblk+0x129 #10 zap_deref_leaf+0x11c #11 fzap_add_cd+0x5a #12 fzap_add+0x51 #13 zap_add_impl+0xfd #14 zap_add+0x83 #15 osd_create+0x7c0 #16 dt_find_or_create+0x4ad #17 fld_index_init+0x1a6 #18 fld_server_init+0xa5 #19 mdt_init0+0x4a7 #20 mdt_device_alloc+0x7c #21 obd_setup+0x153 #22 class_setup+0x54f #23 class_process_config+0x197e #24 class_config_llog_handler+0x817 #25 llog_process_thread+0xc96 #26 llog_process_thread_daemonize+0xa2 #27 kthread+0xe4 #28 ret_from_fork_nospec_begin+0x7 ... ran 957s ago PID=7995 CPU=0 CMD=mount.lustre #0 __schedule+0x2e2 #1 schedule+0x29 #2 schedule_timeout+0x209 #3 wait_for_completion+0xfc #4 llog_process_or_fork+0x294 #5 llog_process+0x14 #6 class_config_parse_llog+0x13d #7 mgc_process_log+0xdbd #8 mgc_process_config+0xa86 #9 lustre_process_log+0x2f1 #10 server_start_targets+0x7b7 #11 server_fill_super+0x1158 #12 lustre_fill_super+0x91 #13 mount_nodev+0x4d #14 lustre_mount+0x18 #15 mount_fs+0x39 #16 vfs_kern_mount+0x67 #17 do_mount+0x1ef #18 sys_mount+0x83 #19 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=in:imjournal +------------------------+ >-------------------------| Network Status Summary |-------------------------< +------------------------+ TCP Connection Info ------------------- ESTABLISHED 7 LISTEN 3 NAGLE disabled (TCP_NODELAY): 6 user_data set (NFS etc.): 5 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 1014.9 eth0 n/a 1.7 RSS_TOTAL=66108 pages, %mem= 1.0 +++WARNING+++ Possible hang +++WARNING+++ Run 'hanginfo' to get more details +------------+ >-------------------------------| Mounted FS |-------------------------------< +------------+ MOUNT SUPERBLK TYPE DEVNAME DIRNAME ffff880138cca000 ffff880139940800 rootfs rootfs / ffff880137668380 ffff880137678800 sysfs sysfs /sys ffff880137668540 ffff880139944000 proc proc /proc ffff880137668700 ffff880137678000 devtmpfs devtmpfs /dev ffff8801376688c0 ffff8800b5208800 securityfs securityfs /sys/kernel/security ffff880137668a80 ffff880137679000 tmpfs tmpfs /dev/shm ffff880137668c40 ffff88013771f000 devpts devpts /dev/pts ffff880137668e00 ffff880137679800 tmpfs tmpfs /run ffff880137668fc0 ffff88013767a000 tmpfs tmpfs /sys/fs/cgroup ffff880137669180 ffff88013767a800 cgroup cgroup /sys/fs/cgroup/systemd ffff880137669340 ffff88013767b000 pstore pstore /sys/fs/pstore ffff880137669500 ffff88013767d000 cgroup cgroup /sys/fs/cgroup/devices ffff8801376696c0 ffff88013767c800 cgroup cgroup /sys/fs/cgroup/perf_event ffff880137669880 ffff88013767c000 cgroup cgroup /sys/fs/cgroup/pids ffff880137669a40 ffff88013767b800 cgroup cgroup /sys/fs/cgroup/hugetlb ffff880137669c00 ffff88013767d800 cgroup cgroup /sys/fs/cgroup/memory ffff880137669dc0 ffff88013767e000 cgroup cgroup /sys/fs/cgroup/blkio ffff88012a2f8000 ffff88013767e800 cgroup cgroup /sys/fs/cgroup/net_cls,net_prio ffff88012a2f81c0 ffff88013767f000 cgroup cgroup /sys/fs/cgroup/freezer ffff88012a2f8380 ffff88013767f800 cgroup cgroup /sys/fs/cgroup/cpu,cpuacct ffff88012a2f8540 ffff88012a348000 cgroup cgroup /sys/fs/cgroup/cpuset ffff8800b4c5c000 ffff880137303000 configfs configfs /sys/kernel/config ffff8801377fe700 ffff8800b520d000 ext4 /dev/nbd0 / ffff880138ccb880 ffff88012a34a000 rpc_pipefs rpc_pipefs /var/lib/nfs/rpc_pipefs ffff8801377fe8c0 ffff8800b41bb000 autofs systemd-1 /proc/sys/fs/binfmt_misc ffff8801377fea80 ffff88012b290800 mqueue mqueue /dev/mqueue ffff88012a2f9a40 ffff8800b412e800 hugetlbfs hugetlbfs /dev/hugepages ffff8800b4c5c700 ffff880139947800 debugfs debugfs /sys/kernel/debug ffff880138ccba40 ffff8800b51d4000 binfmt_misc binfmt_misc /proc/sys/fs/binfmt_misc/ ffff88012a2f9c00 ffff8800b520c800 ramfs none /mnt ffff8800b4c5c8c0 ffff880129ecd800 tmpfs none /var/lib/stateless/writable ffff8801377fee00 ffff8800b4283000 squashfs /dev/vda /home/green/git/lustre-release ffff88012a2f9dc0 ffff880129ecd800 tmpfs none /var/cache/man ffff8801377fefc0 ffff880129ecd800 tmpfs none /var/log ffff8800b4c5ca80 ffff880129ecd800 tmpfs none /var/lib/dbus ffff880138ccbc00 ffff880129ecd800 tmpfs none /tmp ffff88012a2f8700 ffff880129ecd800 tmpfs none /var/lib/dhclient ffff8800b529a000 ffff880129ecd800 tmpfs none /var/tmp ffff8800b529a1c0 ffff880129ecd800 tmpfs none /var/lib/NetworkManager ffff8800b529a380 ffff880129ecd800 tmpfs none /var/lib/systemd/random-seed ffff8800b4c5cc40 ffff880129ecd800 tmpfs none /var/spool ffff8800b529a540 ffff880129ecd800 tmpfs none /var/lib/nfs ffff8800b529a700 ffff880129ecd800 tmpfs none /var/lib/gssproxy ffff8800b529a8c0 ffff880129ecd800 tmpfs none /var/lib/logrotate ffff8800b529aa80 ffff880129ecd800 tmpfs none /etc ffff8800b529ac40 ffff880129ecd800 tmpfs none /var/lib/rsyslog ffff8800b529ae00 ffff880129ecd800 tmpfs none /var/lib/dhclient/var/lib/dhclient ffff8800b4c5ce00 ffff8800b42a1000 nfs4 192.168.200.253:/exports/state/oleg213-server.virtnet /var/lib/stateless/state ffff8800b4c5d180 ffff8800b42a1000 nfs4 192.168.200.253:/exports/state/oleg213-server.virtnet /boot ffff8801377ff500 ffff8800b42a1000 nfs4 192.168.200.253:/exports/state/oleg213-server.virtnet /etc/etc/kdump.conf ffff8800b4c5d340 ffff88012a34a000 rpc_pipefs sunrpc /var/lib/nfs/var/lib/nfs/rpc_pipefs ffff88012dc4f340 ffff8800b4283000 squashfs /dev/vda /usr/sbin/mount.lustre ffff8801377ff180 ffff8800a576c800 tmpfs tmpfs /run/user/0 +-------------------------------+ >----------------------| Last 40 lines of dmesg buffer |----------------------< +-------------------------------+ [ 481.220431] [] fzap_add_cd+0x5a/0x180 [zfs] [ 481.221681] [] fzap_add+0x51/0x60 [zfs] [ 481.222942] [] zap_add_impl+0xfd/0x260 [zfs] [ 481.224234] [] ? zap_lockdir+0xa0/0xd0 [zfs] [ 481.225574] [] zap_add+0x83/0xb0 [zfs] [ 481.226780] [] osd_create+0x7c0/0xcf0 [osd_zfs] [ 481.228122] [] dt_find_or_create+0x4ad/0x8e0 [obdclass] [ 481.229663] [] fld_index_init+0x1a6/0xcd0 [fld] [ 481.230898] [] ? kmem_cache_alloc_trace+0x122/0x2e0 [ 481.232228] [] fld_server_init+0xa5/0x2d0 [fld] [ 481.233617] [] mdt_init0+0x4a7/0x12e0 [mdt] [ 481.234850] [] mdt_device_alloc+0x7c/0x110 [mdt] [ 481.236145] [] obd_setup+0x153/0x340 [obdclass] [ 481.237519] [] class_setup+0x54f/0x830 [obdclass] [ 481.238928] [] class_process_config+0x197e/0x27d0 [obdclass] [ 481.240611] [] class_config_llog_handler+0x817/0x13e0 [obdclass] [ 481.242271] [] llog_process_thread+0xc96/0x1c60 [obdclass] [ 481.243816] [] ? keys_fill+0xdf/0x120 [obdclass] [ 481.245205] [] llog_process_thread_daemonize+0xa2/0xe0 [obdclass] [ 481.246947] [] ? llog_backup+0x5a0/0x5a0 [obdclass] [ 481.248310] [] kthread+0xe4/0xf0 [ 481.249412] [] ? kthread_create_on_node+0x140/0x140 [ 481.250946] [] ret_from_fork_nospec_begin+0x7/0x21 [ 481.252226] [] ? kthread_create_on_node+0x140/0x140 [ 601.253297] INFO: task txg_quiesce:7820 blocked for more than 120 seconds. [ 601.256575] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 601.260220] txg_quiesce D ffff8800a58a1708 14624 7820 2 0x00000000 [ 601.263832] Call Trace: [ 601.265038] [] schedule+0x29/0x70 [ 601.267534] [] cv_wait_common+0x125/0x150 [spl] [ 601.270562] [] ? wake_up_atomic_t+0x30/0x30 [ 601.273392] [] __cv_wait+0x15/0x20 [spl] [ 601.276227] [] txg_quiesce_thread+0x2cb/0x3c0 [zfs] [ 601.279462] [] ? txg_init+0x2f0/0x2f0 [zfs] [ 601.282304] [] thread_generic_wrapper+0x71/0x80 [spl] [ 601.285550] [] ? __thread_exit+0x20/0x20 [spl] [ 601.288487] [] kthread+0xe4/0xf0 [ 601.290890] [] ? kthread_create_on_node+0x140/0x140 [ 601.294042] [] ret_from_fork_nospec_begin+0x7/0x21 [ 601.297135] [] ? 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 11.50s (real) 6.30s (CPU), Child processes: 5.17s