************************ crashinfo ************************* /exports/testreports/42551/testresults/recovery-small-ldiskfs-DNE-centos7_x86_64-centos7_x86_64/oleg221-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.tpKAR/vmlinux [TAINTED] DUMPFILE: /exports/testreports/42551/testresults/recovery-small-ldiskfs-DNE-centos7_x86_64-centos7_x86_64/oleg221-client-timeout-core [PARTIAL DUMP] CPUS: 4 DATE: Wed May 8 19:09:32 EDT 2024 UPTIME: 01:08:45 LOAD AVERAGE: 2.00, 2.01, 1.96 TASKS: 159 NODENAME: oleg221-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 13 last 5s 29 last 60s 34 ----- 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 ----- -------------- ------ ---------------------------- 2002 lnet_discovery 0 ms (no user stack) 1995 socknal_reaper 0 ms (no user stack) 2001 monitor_thread 0 ms (no user stack) 911 in:imjournal 259 ms /usr/sbin/rsyslogd -n 672 kworker/1:2 344 ms (no user stack) +------------------------+ >-------------------------| Memory Usage (kmem -i) |-------------------------< +------------------------+ PAGES TOTAL PERCENTAGE TOTAL MEM 955079 3.6 GB ---- FREE 856875 3.3 GB 89% of TOTAL MEM USED 98204 383.6 MB 10% of TOTAL MEM SHARED 10067 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 11086 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 65916 257.5 MB 8% of TOTAL LIMIT +++three oldest UNINTERRUPTIBLE threads ... ran 3603s ago PID=17210 CPU=1 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=15589 CPU=1 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 4123.7 eth0 n/a 0.8 RSS_TOTAL=96128 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 / ffff880137668540 ffff8800b6cba000 sysfs sysfs /sys ffff880137668700 ffff880139944000 proc proc /proc ffff8801376688c0 ffff880137678000 devtmpfs devtmpfs /dev ffff880137668a80 ffff8800b6cb9800 securityfs securityfs /sys/kernel/security ffff880137668c40 ffff8800b6cba800 tmpfs tmpfs /dev/shm ffff880137668e00 ffff88013771f000 devpts devpts /dev/pts ffff880137668fc0 ffff8800b6cbb000 tmpfs tmpfs /run ffff880137669180 ffff8800b6cbb800 tmpfs tmpfs /sys/fs/cgroup ffff880137669340 ffff8800b6cbc000 cgroup cgroup /sys/fs/cgroup/systemd ffff880137669500 ffff8800b6cbc800 pstore pstore /sys/fs/pstore ffff8801376696c0 ffff8800b6cbe800 cgroup cgroup /sys/fs/cgroup/cpu,cpuacct ffff880137669880 ffff8800b6cbe000 cgroup cgroup /sys/fs/cgroup/blkio ffff880137669a40 ffff8800b6cbd800 cgroup cgroup /sys/fs/cgroup/memory ffff880137669c00 ffff8800b6cbd000 cgroup cgroup /sys/fs/cgroup/pids ffff880137669dc0 ffff8800b6cbf000 cgroup cgroup /sys/fs/cgroup/hugetlb ffff88012ab46000 ffff8800b6cbf800 cgroup cgroup /sys/fs/cgroup/cpuset ffff88012ab461c0 ffff88012ab60000 cgroup cgroup /sys/fs/cgroup/perf_event ffff88012ab46380 ffff88012ab60800 cgroup cgroup /sys/fs/cgroup/freezer ffff88012ab46540 ffff88012ab61000 cgroup cgroup /sys/fs/cgroup/net_cls,net_prio ffff88012ab46700 ffff88012ab61800 cgroup cgroup /sys/fs/cgroup/devices ffff8800b6eae1c0 ffff8801372fb800 configfs configfs /sys/kernel/config ffff8800b6eaf500 ffff8801372f8800 ext4 /dev/nbd0 / ffff8801377f2700 ffff8801372fc000 rpc_pipefs rpc_pipefs /var/lib/nfs/rpc_pipefs ffff88012ab46e00 ffff88012a5e4000 autofs systemd-1 /proc/sys/fs/binfmt_misc ffff8801377f28c0 ffff8800b646a000 hugetlbfs hugetlbfs /dev/hugepages ffff8800b6eae000 ffff88012b298800 mqueue mqueue /dev/mqueue ffff8800b6eaf6c0 ffff880139947800 debugfs debugfs /sys/kernel/debug ffff8800b6eaf880 ffff8800b5878800 binfmt_misc binfmt_misc /proc/sys/fs/binfmt_misc/ ffff8801377f2a80 ffff88012a5f0800 ramfs none /mnt ffff8800b6eafa40 ffff8800b6474800 tmpfs none /var/lib/stateless/writable ffff88012ab47180 ffff8800b5b13800 squashfs /dev/vda /home/green/git/lustre-release ffff88012ab47340 ffff8800b6474800 tmpfs none /var/cache/man ffff8800b6eafdc0 ffff8800b6474800 tmpfs none /var/log ffff88012ab47500 ffff8800b6474800 tmpfs none /var/lib/dbus ffff88012ab476c0 ffff8800b6474800 tmpfs none /tmp ffff88012ab47880 ffff8800b6474800 tmpfs none /var/lib/dhclient ffff8801377f2c40 ffff8800b6474800 tmpfs none /var/tmp ffff8801377f2e00 ffff8800b6474800 tmpfs none /var/lib/NetworkManager ffff88012ab47a40 ffff8800b6474800 tmpfs none /var/lib/systemd/random-seed ffff88012ab47c00 ffff8800b6474800 tmpfs none /var/spool ffff88012ab47dc0 ffff8800b6474800 tmpfs none /var/lib/nfs ffff8800b433e000 ffff8800b6474800 tmpfs none /var/lib/gssproxy ffff88012ab46c40 ffff8800b6474800 tmpfs none /var/lib/logrotate ffff88012ab46a80 ffff8800b6474800 tmpfs none /etc ffff88012ab468c0 ffff8800b6474800 tmpfs none /var/lib/rsyslog ffff8800b433e1c0 ffff8800b6474800 tmpfs none /var/lib/dhclient/var/lib/dhclient ffff8800b433e380 ffff8800b587f800 nfs4 192.168.200.253:/exports/state/oleg221-client.virtnet /var/lib/stateless/state ffff88012aadc000 ffff8800b587f800 nfs4 192.168.200.253:/exports/state/oleg221-client.virtnet /boot ffff88012aadc1c0 ffff8800b587f800 nfs4 192.168.200.253:/exports/state/oleg221-client.virtnet /etc/etc/kdump.conf ffff8801377f3180 ffff8801372fc000 rpc_pipefs sunrpc /var/lib/nfs/var/lib/nfs/rpc_pipefs ffff8800b418bdc0 ffff88012a5bc000 nfs4 192.168.200.253://exports/testreports/42551/testresults/recovery-small-ldiskfs-DNE-centos7_x86_64-centos7_x86_64 /tmp/tmp/testlogs ffff8800b5a0a540 ffff88012a5bb000 tmpfs tmpfs /run/user/0 ffff8800b5a0ac40 ffff8800b5b13800 squashfs /dev/vda /usr/sbin/mount.lustre +-------------------------------+ >----------------------| Last 40 lines of dmesg buffer |----------------------< +-------------------------------+ [ 1201.293642] [] kthread+0xe4/0xf0 [ 1201.295100] [] ? kthread_create_on_node+0x140/0x140 [ 1201.296812] [] ret_from_fork_nospec_begin+0x7/0x21 [ 1201.298395] [] ? kthread_create_on_node+0x140/0x140 [ 1201.299788] INFO: task umount:17210 blocked for more than 120 seconds. [ 1201.301543] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1201.303162] umount D ffff88012aaaca38 12792 17210 17209 0x00000000 [ 1201.304608] Call Trace: [ 1201.305139] [] ? bit_wait+0x50/0x50 [ 1201.306505] [] schedule+0x29/0x70 [ 1201.307740] [] schedule_timeout+0x209/0x290 [ 1201.308961] [] ? string.isra.7+0x3b/0xf0 [ 1201.310383] [] ? kvm_clock_read+0x33/0x40 [ 1201.311533] [] ? kvm_clock_get_cycles+0x9/0x10 [ 1201.313019] [] ? ktime_get_ts64+0x4c/0xf0 [ 1201.314246] [] ? bit_wait+0x50/0x50 [ 1201.315356] [] io_schedule_timeout+0xad/0x130 [ 1201.316685] [] io_schedule+0x18/0x20 [ 1201.317785] [] bit_wait_io+0x11/0x50 [ 1201.319173] [] __wait_on_bit_lock+0x5f/0xc0 [ 1201.320348] [] ? __find_get_pages+0x132/0x1f0 [ 1201.321579] [] __lock_page+0x74/0x90 [ 1201.322912] [] ? wake_bit_function+0x40/0x40 [ 1201.324359] [] truncate_inode_pages_range+0x79a/0x7d0 [ 1201.326125] [] truncate_inode_pages_final+0x4c/0x60 [ 1201.327757] [] ll_truncate_inode_pages_final+0x30/0x1f0 [lustre] [ 1201.329817] [] ll_delete_inode+0x38/0x150 [lustre] [ 1201.331484] [] evict+0xaf/0x180 [ 1201.332644] [] dispose_list+0x3e/0x70 [ 1201.333976] [] evict_inodes+0x161/0x190 [ 1201.335220] [] generic_shutdown_super+0x37/0xf0 [ 1201.336744] [] kill_anon_super+0x12/0x20 [ 1201.338254] [] lustre_kill_super+0x2b/0x30 [lustre] [ 1201.339864] [] deactivate_locked_super+0x49/0x60 [ 1201.341462] [] deactivate_super+0x46/0x60 [ 1201.343048] [] cleanup_mnt+0x3f/0x80 [ 1201.344353] [] __cleanup_mnt+0x12/0x20 [ 1201.345642] [] task_work_run+0xb5/0xf0 [ 1201.347161] [] do_notify_resume+0x92/0xb0 [ 1201.348761] [] 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 10.93s (real) 5.69s (CPU), Child processes: 5.23s