************************ crashinfo ************************* /exports/testreports/52899/testresults/conf-sanity2-ldiskfs-DNE-centos7_x86_64-centos7_x86_64-retry2/oleg202-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.OSAQz/vmlinux [TAINTED] DUMPFILE: /exports/testreports/52899/testresults/conf-sanity2-ldiskfs-DNE-centos7_x86_64-centos7_x86_64-retry2/oleg202-client-timeout-core [PARTIAL DUMP] CPUS: 4 DATE: Sun Jun 22 09:19:25 EDT 2025 UPTIME: 02:02:41 LOAD AVERAGE: 2.00, 1.99, 1.95 TASKS: 151 NODENAME: oleg202-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 30 last 60s 40 ----- Total Numbers of Threads per State ------ TASK_INTERRUPTIBLE 145 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 ----- -------------- ------ ---------------------------- 9802 ldlm_bl_02 0 ms (no user stack) 12597 kworker/2:1 0 ms (no user stack) 623 kworker/0:1H 0 ms (no user stack) 7718 ptlrpcd_rcv 1 ms (no user stack) 909 in:imjournal 31 ms /usr/sbin/rsyslogd -n +------------------------+ >-------------------------| Memory Usage (kmem -i) |-------------------------< +------------------------+ PAGES TOTAL PERCENTAGE TOTAL MEM 955079 3.6 GB ---- FREE 854182 3.3 GB 89% of TOTAL MEM USED 100897 394.1 MB 10% of TOTAL MEM SHARED 10720 41.9 MB 1% of TOTAL MEM BUFFERS 5376 21 MB 0% of TOTAL MEM CACHED 48340 188.8 MB 5% of TOTAL MEM SLAB 11061 43.2 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 69517 271.6 MB 9% of TOTAL LIMIT +++three oldest UNINTERRUPTIBLE threads ... ran 3507s ago PID=2354 CPU=2 CMD=kworker/u8:2 #0 __schedule+0x2e2 #1 schedule+0x29 #2 schedule_timeout+0x209 #3 wait_for_completion+0xfc #4 osc_io_fsync_end+0x5c #5 cl_io_end+0x5c #6 lov_io_end_wrapper+0xeb #7 lov_io_fsync_end+0x80 #8 cl_io_end+0x5c #9 cl_io_loop+0xad #10 cl_sync_file_range+0x30c #11 ll_writepages+0xf1 #12 do_writepages+0x21 #13 __writeback_single_inode+0x40 #14 writeback_sb_inodes+0x2a6 #15 wb_writeback+0x102 #16 bdi_writeback_workfn+0x141 #17 process_one_work+0x18d #18 worker_thread+0x126 #19 kthread+0xe4 #20 ret_from_fork_nospec_begin+0x7 ... ran 3507s ago PID=10401 CPU=1 CMD=umount #0 __schedule+0x2e2 #1 schedule+0x29 #2 schedule_timeout+0x209 #3 wait_for_completion+0xfc #4 writeback_inodes_sb_nr+0xb2 #5 writeback_inodes_sb+0x25 #6 sync_filesystem+0x35 #7 generic_shutdown_super+0x27 #8 kill_anon_super+0x12 #9 lustre_kill_super+0x2b #10 deactivate_locked_super+0x49 #11 deactivate_super+0x46 #12 cleanup_mnt+0x3f #13 __cleanup_mnt+0x12 #14 task_work_run+0xb5 #15 do_notify_resume+0x92 #16 int_signal+0x12, 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): 4 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 7358.9 eth0 n/a 0.0 RSS_TOTAL=106684 pages, %mem= 1.7 +++WARNING+++ Possible hang +++WARNING+++ Run 'hanginfo' to get more details +------------+ >-------------------------------| Mounted FS |-------------------------------< +------------+ MOUNT SUPERBLK TYPE DEVNAME DIRNAME ffff880138cca000 ffff880139940800 rootfs rootfs / ffff880137668540 ffff8800b6cf2000 sysfs sysfs /sys ffff880137668700 ffff880139944000 proc proc /proc ffff8801376688c0 ffff880137678000 devtmpfs devtmpfs /dev ffff880137668a80 ffff8800b6cf1800 securityfs securityfs /sys/kernel/security ffff880137668c40 ffff8800b6cf2800 tmpfs tmpfs /dev/shm ffff880137668e00 ffff88012b2b0000 devpts devpts /dev/pts ffff880137668fc0 ffff8800b6cf3000 tmpfs tmpfs /run ffff880137669180 ffff8800b6cf3800 tmpfs tmpfs /sys/fs/cgroup ffff880137669340 ffff8800b6cf4000 cgroup cgroup /sys/fs/cgroup/systemd ffff880137669500 ffff8800b6cf4800 pstore pstore /sys/fs/pstore ffff8801376696c0 ffff8800b6cf6800 cgroup cgroup /sys/fs/cgroup/cpu,cpuacct ffff880137669880 ffff8800b6cf6000 cgroup cgroup /sys/fs/cgroup/cpuset ffff880137669a40 ffff8800b6cf5800 cgroup cgroup /sys/fs/cgroup/memory ffff880137669c00 ffff8800b6cf5000 cgroup cgroup /sys/fs/cgroup/hugetlb ffff880137669dc0 ffff8800b6cf7000 cgroup cgroup /sys/fs/cgroup/perf_event ffff88012aada000 ffff8800b6cf7800 cgroup cgroup /sys/fs/cgroup/freezer ffff88012aada1c0 ffff88012aae8000 cgroup cgroup /sys/fs/cgroup/net_cls,net_prio ffff88012aada380 ffff88012aae8800 cgroup cgroup /sys/fs/cgroup/devices ffff88012aada540 ffff88012aae9000 cgroup cgroup /sys/fs/cgroup/blkio ffff88012aada700 ffff88012aae9800 cgroup cgroup /sys/fs/cgroup/pids ffff880138ccac40 ffff8800b6ca4000 configfs configfs /sys/kernel/config ffff88012aada8c0 ffff88012aaeb800 ext4 /dev/nbd0 / ffff8800b6f66380 ffff8801372fe000 rpc_pipefs rpc_pipefs /var/lib/nfs/rpc_pipefs ffff8800b6f66540 ffff8800b58df000 autofs systemd-1 /proc/sys/fs/binfmt_misc ffff8800b6f66700 ffff88012b2b1800 mqueue mqueue /dev/mqueue ffff8801377f7180 ffff880139947800 debugfs debugfs /sys/kernel/debug ffff8801377f7340 ffff88012aaed000 hugetlbfs hugetlbfs /dev/hugepages ffff88012aadae00 ffff8800b6046000 binfmt_misc binfmt_misc /proc/sys/fs/binfmt_misc/ ffff8800b6f668c0 ffff8800b6ca2000 ramfs none /mnt ffff8801377f76c0 ffff8800b62f0000 tmpfs none /var/lib/stateless/writable ffff8800b6f66a80 ffff8801373af000 squashfs /dev/vda /home/green/git/lustre-release ffff8800b6f66c40 ffff8800b62f0000 tmpfs none /var/cache/man ffff88012aadac40 ffff8800b62f0000 tmpfs none /var/log ffff8800b6f66e00 ffff8800b62f0000 tmpfs none /var/lib/dbus ffff88012aadaa80 ffff8800b62f0000 tmpfs none /tmp ffff88012aadafc0 ffff8800b62f0000 tmpfs none /var/lib/dhclient ffff88012aadb180 ffff8800b62f0000 tmpfs none /var/tmp ffff88012aadb340 ffff8800b62f0000 tmpfs none /var/lib/NetworkManager ffff8800b6f66fc0 ffff8800b62f0000 tmpfs none /var/lib/systemd/random-seed ffff88012aadb500 ffff8800b62f0000 tmpfs none /var/spool ffff88012aadb6c0 ffff8800b62f0000 tmpfs none /var/lib/nfs ffff88012aadb880 ffff8800b62f0000 tmpfs none /var/lib/gssproxy ffff8800b6f67180 ffff8800b62f0000 tmpfs none /var/lib/logrotate ffff88012aadba40 ffff8800b62f0000 tmpfs none /etc ffff88012aadbc00 ffff8800b62f0000 tmpfs none /var/lib/rsyslog ffff8800b6f67340 ffff8800b62f0000 tmpfs none /var/lib/dhclient/var/lib/dhclient ffff8800b6f67500 ffff8800b5a07000 nfs4 192.168.200.253:/exports/state/oleg202-client.virtnet /var/lib/stateless/state ffff88012aadbdc0 ffff8800b5a07000 nfs4 192.168.200.253:/exports/state/oleg202-client.virtnet /boot ffff8800b3900000 ffff8800b5a07000 nfs4 192.168.200.253:/exports/state/oleg202-client.virtnet /etc/etc/kdump.conf ffff8800b39001c0 ffff8801372fe000 rpc_pipefs sunrpc /var/lib/nfs/var/lib/nfs/rpc_pipefs ffff8800b3419500 ffff8801372fb800 nfs4 192.168.200.253://exports/testreports/52899/testresults/conf-sanity2-ldiskfs-DNE-centos7_x86_64-centos7_x86_64-retry2 /tmp/tmp/testlogs ffff8800b6150000 ffff8800b60d7000 tmpfs tmpfs /run/user/0 ffff8800b6151880 ffff8801373af000 squashfs /dev/vda /usr/sbin/mount.lustre +-------------------------------+ >----------------------| Last 40 lines of dmesg buffer |----------------------< +-------------------------------+ [ 4561.540781] [] cl_io_loop+0xad/0x230 [obdclass] [ 4561.545738] [] cl_sync_file_range+0x30c/0x3b0 [lustre] [ 4561.550402] [] ll_writepages+0xf1/0x230 [lustre] [ 4561.552663] [] do_writepages+0x21/0x50 [ 4561.560503] [] __writeback_single_inode+0x40/0x2a0 [ 4561.567711] [] writeback_sb_inodes+0x2a6/0x480 [ 4561.572292] [] wb_writeback+0x102/0x340 [ 4561.577406] [] bdi_writeback_workfn+0x141/0x4e0 [ 4561.581773] [] process_one_work+0x18d/0x4a0 [ 4561.594457] [] worker_thread+0x126/0x3b0 [ 4561.596525] [] ? manage_workers.isra.23+0x2a0/0x2a0 [ 4561.606510] [] kthread+0xe4/0xf0 [ 4561.611448] [] ? kthread_create_on_node+0x140/0x140 [ 4561.619319] [] ret_from_fork_nospec_begin+0x7/0x21 [ 4561.621707] [] ? kthread_create_on_node+0x140/0x140 [ 4561.629581] INFO: task umount:10401 blocked for more than 120 seconds. [ 4561.631550] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 4561.638417] umount D ffff8800a880ec58 13008 10401 10400 0x00000000 [ 4561.642328] Call Trace: [ 4561.645632] [] schedule+0x29/0x70 [ 4561.651620] [] schedule_timeout+0x209/0x290 [ 4561.655445] [] ? kvm_sched_clock_read+0x9/0x20 [ 4561.658513] [] ? sched_clock+0x9/0x10 [ 4561.665263] [] ? __pv_queued_spin_unlock_slowpath+0x5a/0xa0 [ 4561.674359] [] ? __raw_callee_save___pv_queued_spin_unlock_slowpath+0x15/0x24 [ 4561.677429] [] wait_for_completion+0xfc/0x140 [ 4561.679656] [] ? wake_up_state+0x20/0x20 [ 4561.681700] [] writeback_inodes_sb_nr+0xb2/0xf0 [ 4561.696012] [] writeback_inodes_sb+0x25/0x30 [ 4561.699869] [] sync_filesystem+0x35/0xb0 [ 4561.702007] [] generic_shutdown_super+0x27/0xf0 [ 4561.703992] [] kill_anon_super+0x12/0x20 [ 4561.706493] [] lustre_kill_super+0x2b/0x30 [lustre] [ 4561.708911] [] deactivate_locked_super+0x49/0x60 [ 4561.711657] [] deactivate_super+0x46/0x60 [ 4561.715801] [] cleanup_mnt+0x3f/0x80 [ 4561.719940] [] __cleanup_mnt+0x12/0x20 [ 4561.723893] [] task_work_run+0xb5/0xf0 [ 4561.727132] [] do_notify_resume+0x92/0xb0 [ 4561.730907] [] 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 11.63s (real) 5.92s (CPU), Child processes: 5.65s