************************ crashinfo ************************* /exports/testreports/44341/testresults/runtests-zfs-centos7_x86_64-centos7_x86_64/oleg215-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.fTO34/vmlinux [TAINTED] DUMPFILE: /exports/testreports/44341/testresults/runtests-zfs-centos7_x86_64-centos7_x86_64/oleg215-server-timeout-core [PARTIAL DUMP] CPUS: 4 DATE: Sat Jul 20 20:58:40 EDT 2024 UPTIME: 00:16:57 LOAD AVERAGE: 3.00, 2.88, 1.95 TASKS: 238 NODENAME: oleg215-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=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 32 last 60s 45 ----- Total Numbers of Threads per State ------ TASK_INTERRUPTIBLE 231 TASK_RUNNING 1 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 ----- -------------- ------ ---------------------------- 6693 z_null_iss 0 ms (no user stack) 3415 dbuf_evict 0 ms (no user stack) 6694 z_null_int 0 ms (no user stack) 6769 mmp 0 ms (no user stack) 3413 zthr_procedure 1 ms (no user stack) +------------------------+ >-------------------------| Memory Usage (kmem -i) |-------------------------< +------------------------+ PAGES TOTAL PERCENTAGE TOTAL MEM 955067 3.6 GB ---- FREE 787990 3 GB 82% of TOTAL MEM USED 167077 652.6 MB 17% of TOTAL MEM SHARED 9253 36.1 MB 0% of TOTAL MEM BUFFERS 5105 19.9 MB 0% of TOTAL MEM CACHED 65001 253.9 MB 6% of TOTAL MEM SLAB 15353 60 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 59523 232.5 MB 8% of TOTAL LIMIT +++three oldest UNINTERRUPTIBLE threads ... ran 957s ago PID=6767 CPU=1 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 963s ago PID=7273 CPU=3 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 963s ago PID=6948 CPU=2 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=swapper/3 +------------------------+ >-------------------------| 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 -------------------- ESTABLISHED 1 Interfaces Info --------------- How long ago (in seconds) interfaces transmitted/received? Name RX TX ---- ---------- --------- lo n/a 1015.5 eth0 n/a 2.2 RSS_TOTAL=64144 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 / ffff88012a346000 ffff88012a348000 sysfs sysfs /sys ffff88012a3461c0 ffff880139944000 proc proc /proc ffff88012a346380 ffff880137678000 devtmpfs devtmpfs /dev ffff88012a346540 ffff8800b5226800 securityfs securityfs /sys/kernel/security ffff88012a346700 ffff88012a348800 tmpfs tmpfs /dev/shm ffff88012a3468c0 ffff880137316000 devpts devpts /dev/pts ffff88012a346a80 ffff88012a349000 tmpfs tmpfs /run ffff88012a346c40 ffff88012a349800 tmpfs tmpfs /sys/fs/cgroup ffff88012a346e00 ffff88012a34a000 cgroup cgroup /sys/fs/cgroup/systemd ffff88012a346fc0 ffff88012a34a800 pstore pstore /sys/fs/pstore ffff88012a347180 ffff88012a34c800 cgroup cgroup /sys/fs/cgroup/cpuset ffff88012a347340 ffff88012a34c000 cgroup cgroup /sys/fs/cgroup/devices ffff88012a347500 ffff88012a34b800 cgroup cgroup /sys/fs/cgroup/net_cls,net_prio ffff88012a3476c0 ffff88012a34b000 cgroup cgroup /sys/fs/cgroup/pids ffff88012a347880 ffff88012a34d000 cgroup cgroup /sys/fs/cgroup/hugetlb ffff88012a347a40 ffff88012a34d800 cgroup cgroup /sys/fs/cgroup/cpu,cpuacct ffff88012a347c00 ffff88012a34e000 cgroup cgroup /sys/fs/cgroup/freezer ffff88012a347dc0 ffff88012a34e800 cgroup cgroup /sys/fs/cgroup/perf_event ffff88012a35a000 ffff88012a34f000 cgroup cgroup /sys/fs/cgroup/blkio ffff88012a35a1c0 ffff88012a34f800 cgroup cgroup /sys/fs/cgroup/memory ffff88012a35a380 ffff8800b527c800 configfs configfs /sys/kernel/config ffff88012b262c40 ffff8800b7c2b000 ext4 /dev/nbd0 / ffff880129f9e380 ffff8800b7c2f800 rpc_pipefs rpc_pipefs /var/lib/nfs/rpc_pipefs ffff88012b263340 ffff8800b4d89000 autofs systemd-1 /proc/sys/fs/binfmt_misc ffff88012a35a8c0 ffff880139947800 debugfs debugfs /sys/kernel/debug ffff88012b263500 ffff880137317800 mqueue mqueue /dev/mqueue ffff88012b2636c0 ffff8800b4d8c800 hugetlbfs hugetlbfs /dev/hugepages ffff880137668380 ffff8800b426b800 binfmt_misc binfmt_misc /proc/sys/fs/binfmt_misc/ ffff880137668700 ffff8800b426a000 ramfs none /mnt ffff8801376688c0 ffff8800b4f49800 tmpfs none /var/lib/stateless/writable ffff880129f9e540 ffff8800b404e000 squashfs /dev/vda /home/green/git/lustre-release ffff880129f9e8c0 ffff8800b4f49800 tmpfs none /var/cache/man ffff880137668a80 ffff8800b4f49800 tmpfs none /var/log ffff880129f9ea80 ffff8800b4f49800 tmpfs none /var/lib/dbus ffff880137668c40 ffff8800b4f49800 tmpfs none /tmp ffff880129f9ec40 ffff8800b4f49800 tmpfs none /var/lib/dhclient ffff880129f9ee00 ffff8800b4f49800 tmpfs none /var/tmp ffff880137668e00 ffff8800b4f49800 tmpfs none /var/lib/NetworkManager ffff880129f9efc0 ffff8800b4f49800 tmpfs none /var/lib/systemd/random-seed ffff880137668fc0 ffff8800b4f49800 tmpfs none /var/spool ffff880137669180 ffff8800b4f49800 tmpfs none /var/lib/nfs ffff880129f9f180 ffff8800b4f49800 tmpfs none /var/lib/gssproxy ffff880137669340 ffff8800b4f49800 tmpfs none /var/lib/logrotate ffff880129f9f340 ffff8800b4f49800 tmpfs none /etc ffff880137669500 ffff8800b4f49800 tmpfs none /var/lib/rsyslog ffff880129f9f500 ffff8800b4f49800 tmpfs none /var/lib/dhclient/var/lib/dhclient ffff8801376696c0 ffff8800b2508800 nfs4 192.168.200.253:/exports/state/oleg215-server.virtnet /var/lib/stateless/state ffff88012a35ae00 ffff8800b2508800 nfs4 192.168.200.253:/exports/state/oleg215-server.virtnet /boot ffff880137669a40 ffff8800b2508800 nfs4 192.168.200.253:/exports/state/oleg215-server.virtnet /etc/etc/kdump.conf ffff88012a35afc0 ffff8800b7c2f800 rpc_pipefs sunrpc /var/lib/nfs/var/lib/nfs/rpc_pipefs ffff88012f85d500 ffff8800b404e000 squashfs /dev/vda /usr/sbin/mount.lustre ffff8800b271f500 ffff8800a908a800 tmpfs tmpfs /run/user/0 +-------------------------------+ >----------------------| Last 40 lines of dmesg buffer |----------------------< +-------------------------------+ [ 481.108512] [] fzap_add_cd+0x5a/0x180 [zfs] [ 481.109707] [] fzap_add+0x51/0x60 [zfs] [ 481.110852] [] zap_add_impl+0xfd/0x260 [zfs] [ 481.111989] [] ? zap_lockdir+0xa0/0xd0 [zfs] [ 481.113213] [] zap_add+0x83/0xb0 [zfs] [ 481.114290] [] osd_create+0x7c0/0xcf0 [osd_zfs] [ 481.115565] [] dt_find_or_create+0x4ad/0x8e0 [obdclass] [ 481.116907] [] fld_index_init+0x1a6/0xcd0 [fld] [ 481.118123] [] ? kmem_cache_alloc_trace+0x122/0x2e0 [ 481.119396] [] fld_server_init+0xa5/0x2d0 [fld] [ 481.120638] [] mdt_init0+0x4a7/0x12e0 [mdt] [ 481.121795] [] mdt_device_alloc+0x7c/0x110 [mdt] [ 481.123061] [] obd_setup+0x153/0x340 [obdclass] [ 481.124289] [] class_setup+0x54f/0x830 [obdclass] [ 481.125534] [] class_process_config+0x197e/0x27d0 [obdclass] [ 481.126978] [] class_config_llog_handler+0x817/0x13e0 [obdclass] [ 481.128488] [] llog_process_thread+0xc96/0x1c60 [obdclass] [ 481.129892] [] ? keys_fill+0xdf/0x120 [obdclass] [ 481.131125] [] llog_process_thread_daemonize+0xa2/0xe0 [obdclass] [ 481.132657] [] ? llog_backup+0x5a0/0x5a0 [obdclass] [ 481.133938] [] kthread+0xe4/0xf0 [ 481.134942] [] ? kthread_create_on_node+0x140/0x140 [ 481.136226] [] ret_from_fork_nospec_begin+0x7/0x21 [ 481.137534] [] ? kthread_create_on_node+0x140/0x140 [ 601.138857] INFO: task txg_quiesce:6767 blocked for more than 120 seconds. [ 601.142355] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 601.146010] txg_quiesce D ffff8800a6402818 15016 6767 2 0x00000000 [ 601.149554] Call Trace: [ 601.150768] [] schedule+0x29/0x70 [ 601.153337] [] cv_wait_common+0x125/0x150 [spl] [ 601.156299] [] ? wake_up_atomic_t+0x30/0x30 [ 601.159176] [] __cv_wait+0x15/0x20 [spl] [ 601.161935] [] txg_quiesce_thread+0x2cb/0x3c0 [zfs] [ 601.165264] [] ? txg_init+0x2f0/0x2f0 [zfs] [ 601.168086] [] thread_generic_wrapper+0x71/0x80 [spl] [ 601.171283] [] ? __thread_exit+0x20/0x20 [spl] [ 601.174212] [] kthread+0xe4/0xf0 [ 601.176568] [] ? kthread_create_on_node+0x140/0x140 [ 601.179768] [] ret_from_fork_nospec_begin+0x7/0x21 [ 601.182853] [] ? 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 11.87s (real) 6.41s (CPU), Child processes: 5.36s