************************ crashinfo ************************* /exports/testreports/42551/testresults/recovery-small-zfs-centos7_x86_64-centos7_x86_64/oleg318-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.ABnTD/vmlinux [TAINTED] DUMPFILE: /exports/testreports/42551/testresults/recovery-small-zfs-centos7_x86_64-centos7_x86_64/oleg318-client-timeout-core [PARTIAL DUMP] CPUS: 4 DATE: Wed May 8 19:09:14 EDT 2024 UPTIME: 01:08:29 LOAD AVERAGE: 2.00, 1.99, 1.95 TASKS: 159 NODENAME: oleg318-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 12 last 5s 26 last 60s 31 ----- 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 ----- -------------- ------ ---------------------------- 49 kworker/0:1 0 ms (no user stack) 909 in:imjournal 0 ms /usr/sbin/rsyslogd -n 46 kworker/2:1 0 ms (no user stack) 4782 ldlm_bl_02 0 ms (no user stack) 1958 lnet_discovery 0 ms (no user stack) +------------------------+ >-------------------------| Memory Usage (kmem -i) |-------------------------< +------------------------+ PAGES TOTAL PERCENTAGE TOTAL MEM 955079 3.6 GB ---- FREE 857050 3.3 GB 89% of TOTAL MEM USED 98029 382.9 MB 10% of TOTAL MEM SHARED 10070 39.3 MB 1% of TOTAL MEM BUFFERS 5174 20.2 MB 0% of TOTAL MEM CACHED 46213 180.5 MB 4% of TOTAL MEM SLAB 11092 43.3 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 65911 257.5 MB 8% of TOTAL LIMIT +++three oldest UNINTERRUPTIBLE threads ... ran 3603s ago PID=16324 CPU=3 CMD=umount #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 ll_delete_inode+0x38 #12 evict+0xaf #13 dispose_list+0x3e #14 evict_inodes+0x161 #15 generic_shutdown_super+0x37 #16 kill_anon_super+0x12 #17 lustre_kill_super+0x2b #18 deactivate_locked_super+0x49 #19 deactivate_super+0x46 #20 cleanup_mnt+0x3f #21 __cleanup_mnt+0x12 #22 task_work_run+0xb5 #23 do_notify_resume+0x92 #24 int_signal+0x12, 477 bytes of data ... ran 3624s ago PID=14720 CPU=3 CMD=ll_imp_inval #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 __find_lock_page+0x66 #9 find_lock_page+0xe #10 truncate_inode_pages_range+0x4d9 #11 osc_discard_cb+0x20a #12 osc_page_gang_lookup+0x20f #13 osc_lock_discard_pages+0x16a #14 osc_ldlm_blocking_ast+0x35d #15 ldlm_cancel_callback+0x84 #16 ldlm_cli_cancel_local+0xb2 #17 ldlm_cli_cancel+0x32f #18 cleanup_resource+0x139 #19 ldlm_resource_clean+0x2f #20 cfs_hash_for_each_relax+0x23b #21 cfs_hash_for_each_nolock+0x76 #22 ldlm_namespace_cleanup+0x30 #23 osc_import_event+0x4b9 #24 ptlrpc_invalidate_import+0x293 #25 ptlrpc_invalidate_import_thread+0x7c #26 kthread+0xe4 #27 ret_from_fork_nospec_begin+0x7 +-------------------------------+ >----------------------| 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 -------------------- ESTABLISHED 1 Interfaces Info --------------- How long ago (in seconds) interfaces transmitted/received? Name RX TX ---- ---------- --------- lo n/a 4107.3 eth0 n/a 2.0 RSS_TOTAL=96412 pages, %mem= 1.6 +++WARNING+++ Possible hang +++WARNING+++ Run 'hanginfo' to get more details +------------+ >-------------------------------| Mounted FS |-------------------------------< +------------+ MOUNT SUPERBLK TYPE DEVNAME DIRNAME ffff880138cca000 ffff880139940800 rootfs rootfs / ffff88012a9fe000 ffff880137308800 sysfs sysfs /sys ffff88012a9fe1c0 ffff880139944000 proc proc /proc ffff88012a9fe380 ffff880137678000 devtmpfs devtmpfs /dev ffff88012a9fe540 ffff8800b6c75000 securityfs securityfs /sys/kernel/security ffff88012a9fe700 ffff880137309000 tmpfs tmpfs /dev/shm ffff88012a9fe8c0 ffff88013771f000 devpts devpts /dev/pts ffff88012a9fea80 ffff880137309800 tmpfs tmpfs /run ffff88012a9fec40 ffff88013730a000 tmpfs tmpfs /sys/fs/cgroup ffff88012a9fee00 ffff88013730a800 cgroup cgroup /sys/fs/cgroup/systemd ffff88012a9fefc0 ffff88013730b000 pstore pstore /sys/fs/pstore ffff88013700e540 ffff8800b6cca000 cgroup cgroup /sys/fs/cgroup/net_cls,net_prio ffff88013700e700 ffff8800b6cc9800 cgroup cgroup /sys/fs/cgroup/pids ffff88013700e8c0 ffff8800b6cc9000 cgroup cgroup /sys/fs/cgroup/perf_event ffff88013700ea80 ffff8800b6cc8800 cgroup cgroup /sys/fs/cgroup/memory ffff88013700ec40 ffff8800b6cca800 cgroup cgroup /sys/fs/cgroup/cpuset ffff88013700ee00 ffff8800b6ccb000 cgroup cgroup /sys/fs/cgroup/hugetlb ffff88013700efc0 ffff8800b6ccb800 cgroup cgroup /sys/fs/cgroup/blkio ffff88013700f180 ffff8800b6ccc000 cgroup cgroup /sys/fs/cgroup/freezer ffff88013700f340 ffff8800b6ccc800 cgroup cgroup /sys/fs/cgroup/cpu,cpuacct ffff88013700f500 ffff8800b6ccd000 cgroup cgroup /sys/fs/cgroup/devices ffff88012a9ff340 ffff88013730e800 configfs configfs /sys/kernel/config ffff88012a9ff6c0 ffff88013730f800 ext4 /dev/nbd0 / ffff88013700f880 ffff88013730d800 rpc_pipefs rpc_pipefs /var/lib/nfs/rpc_pipefs ffff88012a9ff880 ffff8800b6153000 autofs systemd-1 /proc/sys/fs/binfmt_misc ffff880137668380 ffff88012b258800 mqueue mqueue /dev/mqueue ffff88013700fa40 ffff8800b607f000 hugetlbfs hugetlbfs /dev/hugepages ffff88012a9ffa40 ffff880139947800 debugfs debugfs /sys/kernel/debug ffff88013700fc00 ffff8800b5897800 binfmt_misc binfmt_misc /proc/sys/fs/binfmt_misc/ ffff88012a9ffc00 ffff8800b58c4800 ramfs none /mnt ffff8800b639ee00 ffff88012ab4f000 tmpfs none /var/lib/stateless/writable ffff880137668700 ffff88012a5a1000 squashfs /dev/vda /home/green/git/lustre-release ffff88012a9ffdc0 ffff88012ab4f000 tmpfs none /var/cache/man ffff88012a9ff180 ffff88012ab4f000 tmpfs none /var/log ffff8800b41ae000 ffff88012ab4f000 tmpfs none /var/lib/dbus ffff88013700fdc0 ffff88012ab4f000 tmpfs none /tmp ffff8800b41ae1c0 ffff88012ab4f000 tmpfs none /var/lib/dhclient ffff8800b41ae380 ffff88012ab4f000 tmpfs none /var/tmp ffff8800b41ae540 ffff88012ab4f000 tmpfs none /var/lib/NetworkManager ffff8800b41ae700 ffff88012ab4f000 tmpfs none /var/lib/systemd/random-seed ffff8801376688c0 ffff88012ab4f000 tmpfs none /var/spool ffff8800b41ae8c0 ffff88012ab4f000 tmpfs none /var/lib/nfs ffff880138ccb340 ffff88012ab4f000 tmpfs none /var/lib/gssproxy ffff880137668a80 ffff88012ab4f000 tmpfs none /var/lib/logrotate ffff880137668c40 ffff88012ab4f000 tmpfs none /etc ffff880137668e00 ffff88012ab4f000 tmpfs none /var/lib/rsyslog ffff8800b41aea80 ffff88012ab4f000 tmpfs none /var/lib/dhclient/var/lib/dhclient ffff8800b4006000 ffff8800b5ae8000 nfs4 192.168.200.253:/exports/state/oleg318-client.virtnet /var/lib/stateless/state ffff880137668fc0 ffff8800b5ae8000 nfs4 192.168.200.253:/exports/state/oleg318-client.virtnet /boot ffff8800b4006380 ffff8800b5ae8000 nfs4 192.168.200.253:/exports/state/oleg318-client.virtnet /etc/etc/kdump.conf ffff8800b41aee00 ffff88013730d800 rpc_pipefs sunrpc /var/lib/nfs/var/lib/nfs/rpc_pipefs ffff8800b01908c0 ffff8800b5b03800 nfs4 192.168.200.253://exports/testreports/42551/testresults/recovery-small-zfs-centos7_x86_64-centos7_x86_64 /tmp/tmp/testlogs ffff8800b41afc00 ffff8800b5aed800 tmpfs tmpfs /run/user/0 ffff880138ccbdc0 ffff88012a5a1000 squashfs /dev/vda /usr/sbin/mount.lustre +-------------------------------+ >----------------------| Last 40 lines of dmesg buffer |----------------------< +-------------------------------+ [ 1201.138777] [] kthread+0xe4/0xf0 [ 1201.139697] [] ? kthread_create_on_node+0x140/0x140 [ 1201.141094] [] ret_from_fork_nospec_begin+0x7/0x21 [ 1201.142400] [] ? kthread_create_on_node+0x140/0x140 [ 1201.143709] INFO: task umount:16324 blocked for more than 120 seconds. [ 1201.145002] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1201.146524] umount D ffff8800b02fa818 13056 16324 16323 0x00000000 [ 1201.148262] Call Trace: [ 1201.148735] [] ? bit_wait+0x50/0x50 [ 1201.149712] [] schedule+0x29/0x70 [ 1201.150792] [] schedule_timeout+0x209/0x290 [ 1201.151970] [] ? string.isra.7+0x3b/0xf0 [ 1201.153133] [] ? kvm_clock_read+0x33/0x40 [ 1201.154307] [] ? kvm_clock_get_cycles+0x9/0x10 [ 1201.155600] [] ? ktime_get_ts64+0x4c/0xf0 [ 1201.156871] [] ? bit_wait+0x50/0x50 [ 1201.157967] [] io_schedule_timeout+0xad/0x130 [ 1201.159308] [] io_schedule+0x18/0x20 [ 1201.160432] [] bit_wait_io+0x11/0x50 [ 1201.161614] [] __wait_on_bit_lock+0x5f/0xc0 [ 1201.162956] [] ? __find_get_pages+0x132/0x1f0 [ 1201.164206] [] __lock_page+0x74/0x90 [ 1201.165285] [] ? wake_bit_function+0x40/0x40 [ 1201.166441] [] truncate_inode_pages_range+0x79a/0x7d0 [ 1201.167734] [] truncate_inode_pages_final+0x4c/0x60 [ 1201.169133] [] ll_truncate_inode_pages_final+0x30/0x1f0 [lustre] [ 1201.170938] [] ll_delete_inode+0x38/0x150 [lustre] [ 1201.172293] [] evict+0xaf/0x180 [ 1201.173304] [] dispose_list+0x3e/0x70 [ 1201.174516] [] evict_inodes+0x161/0x190 [ 1201.175622] [] generic_shutdown_super+0x37/0xf0 [ 1201.176923] [] kill_anon_super+0x12/0x20 [ 1201.178056] [] lustre_kill_super+0x2b/0x30 [lustre] [ 1201.179463] [] deactivate_locked_super+0x49/0x60 [ 1201.180712] [] deactivate_super+0x46/0x60 [ 1201.181839] [] cleanup_mnt+0x3f/0x80 [ 1201.183001] [] __cleanup_mnt+0x12/0x20 [ 1201.184108] [] task_work_run+0xb5/0xf0 [ 1201.185422] [] do_notify_resume+0x92/0xb0 [ 1201.186566] [] int_signal+0x12/0x17 ****************************************************************************** ************************ 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 11.13s (real) 5.73s (CPU), Child processes: 5.37s