************************ crashinfo ************************* /exports/testreports/52418/testresults/racer-ldiskfs-DNE-centos7_x86_64-centos7_x86_64/oleg125-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.1QOou/vmlinux [TAINTED] DUMPFILE: /exports/testreports/52418/testresults/racer-ldiskfs-DNE-centos7_x86_64-centos7_x86_64/oleg125-client-timeout-core [PARTIAL DUMP] CPUS: 4 DATE: Tue Jun 10 03:48:15 EDT 2025 UPTIME: 00:17:03 LOAD AVERAGE: 42.20, 76.00, 84.54 TASKS: 216 NODENAME: oleg125-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=759 CPU=1 CMD=mrename #-1 do_raw_spin_lock+0x37, 449 bytes of data #0 _raw_spin_lock_irqsave+0x30 #1 free_object+0x19 #2 debug_object_free+0x121 #3 schedule_timeout+0x156 #4 wait_woken+0x66 #5 ptlrpc_set_wait+0x1f1 #6 ptlrpc_queue_wait+0x86 #7 mdc_reint+0x22 #8 mdc_rename+0x3c5 #9 lmv_rename+0x5fc #10 ll_rename+0x555 #11 vfs_rename+0x885 #12 SYSC_renameat2+0x4d3 #13 sys_renameat2+0xe #14 sys_rename+0x1e #15 system_call_fastpath+0x1f, 477 bytes of data -- CPU#2 -- PID=785 CPU=2 CMD=mrename #-1 __pv_queued_spin_lock_slowpath+0x102, 449 bytes of data #0 do_raw_spin_lock+0x6d #1 _raw_spin_lock_irqsave+0x30 #2 free_object+0x19 #3 debug_object_free+0x121 #4 schedule_timeout+0x156 #5 wait_woken+0x66 #6 ptlrpc_set_wait+0x1f1 #7 ptlrpc_queue_wait+0x86 #8 mdc_reint+0x22 #9 mdc_rename+0x3c5 #10 lmv_rename+0x5fc #11 ll_rename+0x555 #12 vfs_rename+0x885 #13 SYSC_renameat2+0x4d3 #14 sys_renameat2+0xe #15 sys_rename+0x1e #16 system_call_fastpath+0x1f, 477 bytes of data -- 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 +++WARNING+++ High Load Averages: 42.20, 76.00, 84.54 +---------------+ >------------------------------| Tasks Summary |------------------------------< +---------------+ Number of Threads That Ran Recently ----------------------------------- last second 15 last 5s 37 last 60s 47 ----- Total Numbers of Threads per State ------ TASK_INTERRUPTIBLE 170 TASK_RUNNING 3 TASK_UNINTERRUPTIBLE 40 +++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 ----- -------------- ------ ---------------------------- 785 mrename 0 ms /home/green/git/lustre-release/lustre/tests/mrename /mnt/lustre/racer1/1 /mnt/lustre/racer1/8 49 kworker/2:1 0 ms (no user stack) 759 mrename 0 ms /home/green/git/lustre-release/lustre/tests/mrename /mnt/lustre2/racer1/1 /mnt/lustre2/racer1/8/16 17 kworker/1:0 0 ms (no user stack) 46 kworker/0:1 12 ms (no user stack) +------------------------+ >-------------------------| Memory Usage (kmem -i) |-------------------------< +------------------------+ PAGES TOTAL PERCENTAGE TOTAL MEM 955079 3.6 GB ---- FREE 649167 2.5 GB 67% of TOTAL MEM USED 305912 1.2 GB 32% of TOTAL MEM SHARED 13025 50.9 MB 1% of TOTAL MEM BUFFERS 5204 20.3 MB 0% of TOTAL MEM CACHED 49344 192.8 MB 5% of TOTAL MEM SLAB 163509 638.7 MB 17% 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 73666 287.8 MB 9% of TOTAL LIMIT +++three oldest UNINTERRUPTIBLE threads ... ran 586s ago PID=796 CPU=3 CMD=mrename #0 __schedule+0x2e2 #1 schedule_preempt_disabled+0x39 #2 __mutex_lock_slowpath+0x13a #3 mutex_lock+0x2d #4 lock_rename+0xc0 #5 SYSC_renameat2+0x22f #6 sys_renameat2+0xe #7 sys_rename+0x1e #8 system_call_fastpath+0x1f, 477 bytes of data ... ran 586s ago PID=784 CPU=3 CMD=mrename #0 __schedule+0x2e2 #1 schedule_preempt_disabled+0x39 #2 __mutex_lock_slowpath+0x13a #3 mutex_lock+0x2d #4 lock_rename+0xc0 #5 SYSC_renameat2+0x22f #6 sys_renameat2+0xe #7 sys_rename+0x1e #8 system_call_fastpath+0x1f, 477 bytes of data ... ran 586s ago PID=769 CPU=0 CMD=mrename #0 __schedule+0x2e2 #1 schedule_preempt_disabled+0x39 #2 __mutex_lock_slowpath+0x13a #3 mutex_lock+0x2d #4 lock_rename+0xc0 #5 SYSC_renameat2+0x22f #6 sys_renameat2+0xe #7 sys_rename+0x1e #8 system_call_fastpath+0x1f, 477 bytes of data +-------------------------------+ >----------------------| Scheduler Runqueues (per CPU) |----------------------< +-------------------------------+ ---+ CPU=0 ---- | CURRENT TASK , CMD=swapper/0 ---+ CPU=1 ---- | CURRENT TASK , CMD=mrename ---+ CPU=2 ---- | CURRENT TASK , CMD=mrename ---+ 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 1021.3 eth0 n/a 0.9 RSS_TOTAL=144168 pages, %mem= 2.0 +++WARNING+++ Possible hang +++WARNING+++ Run 'hanginfo' to get more details +------------+ >-------------------------------| Mounted FS |-------------------------------< +------------+ MOUNT SUPERBLK TYPE DEVNAME DIRNAME ffff880138cca000 ffff880139940800 rootfs rootfs / ffff88012aaec000 ffff88012aaf0000 sysfs sysfs /sys ffff88012aaec1c0 ffff880139944000 proc proc /proc ffff88012aaec380 ffff880137678000 devtmpfs devtmpfs /dev ffff88012aaec540 ffff8800b6d02000 securityfs securityfs /sys/kernel/security ffff88012aaec700 ffff88012aaf0800 tmpfs tmpfs /dev/shm ffff88012aaec8c0 ffff8801372f6000 devpts devpts /dev/pts ffff88012aaeca80 ffff88012aaf1000 tmpfs tmpfs /run ffff88012aaecc40 ffff88012aaf1800 tmpfs tmpfs /sys/fs/cgroup ffff88012aaece00 ffff88012aaf2000 cgroup cgroup /sys/fs/cgroup/systemd ffff88012aaecfc0 ffff88012aaf2800 pstore pstore /sys/fs/pstore ffff88012aaed180 ffff88012aaf4800 cgroup cgroup /sys/fs/cgroup/devices ffff88012aaed340 ffff88012aaf4000 cgroup cgroup /sys/fs/cgroup/pids ffff88012aaed500 ffff88012aaf3800 cgroup cgroup /sys/fs/cgroup/net_cls,net_prio ffff88012aaed6c0 ffff88012aaf3000 cgroup cgroup /sys/fs/cgroup/memory ffff88012aaed880 ffff88012aaf5000 cgroup cgroup /sys/fs/cgroup/blkio ffff88012aaeda40 ffff88012aaf5800 cgroup cgroup /sys/fs/cgroup/perf_event ffff88012aaedc00 ffff88012aaf6000 cgroup cgroup /sys/fs/cgroup/cpu,cpuacct ffff88012aaeddc0 ffff88012aaf6800 cgroup cgroup /sys/fs/cgroup/freezer ffff88012aa82000 ffff88012aaf7000 cgroup cgroup /sys/fs/cgroup/hugetlb ffff88012aa821c0 ffff88012aaf7800 cgroup cgroup /sys/fs/cgroup/cpuset ffff880137668540 ffff8800b6d04000 configfs configfs /sys/kernel/config ffff8801376696c0 ffff8800b6d05000 ext4 /dev/nbd0 / ffff880138ccafc0 ffff88012aa8b800 rpc_pipefs rpc_pipefs /var/lib/nfs/rpc_pipefs ffff88012b26aa80 ffff8800b63aa000 autofs systemd-1 /proc/sys/fs/binfmt_misc ffff88012b26ac40 ffff8800b63ad000 hugetlbfs hugetlbfs /dev/hugepages ffff88012b26ae00 ffff880139947800 debugfs debugfs /sys/kernel/debug ffff880137669880 ffff8801372f7800 mqueue mqueue /dev/mqueue ffff88012aa82fc0 ffff88012aa8d000 binfmt_misc binfmt_misc /proc/sys/fs/binfmt_misc/ ffff880137669c00 ffff88000002e800 ramfs none /mnt ffff88012aa83180 ffff8800b6d06000 tmpfs none /var/lib/stateless/writable ffff88012aa83340 ffff8800b6d03800 squashfs /dev/vda /home/green/git/lustre-release ffff880137669dc0 ffff8800b6d06000 tmpfs none /var/cache/man ffff88012aa83500 ffff8800b6d06000 tmpfs none /var/log ffff8800b3fd8000 ffff8800b6d06000 tmpfs none /var/lib/dbus ffff880138ccb180 ffff8800b6d06000 tmpfs none /tmp ffff8800b3fd81c0 ffff8800b6d06000 tmpfs none /var/lib/dhclient ffff880138ccb340 ffff8800b6d06000 tmpfs none /var/tmp ffff8800b3fd8380 ffff8800b6d06000 tmpfs none /var/lib/NetworkManager ffff880138ccb500 ffff8800b6d06000 tmpfs none /var/lib/systemd/random-seed ffff8800b3fd8540 ffff8800b6d06000 tmpfs none /var/spool ffff8800b3fd8700 ffff8800b6d06000 tmpfs none /var/lib/nfs ffff880138ccb6c0 ffff8800b6d06000 tmpfs none /var/lib/gssproxy ffff88012aa836c0 ffff8800b6d06000 tmpfs none /var/lib/logrotate ffff880138ccb880 ffff8800b6d06000 tmpfs none /etc ffff8800b3fd88c0 ffff8800b6d06000 tmpfs none /var/lib/rsyslog ffff8800b3fd8a80 ffff8800b6d06000 tmpfs none /var/lib/dhclient/var/lib/dhclient ffff88012aa83880 ffff88012a61f000 nfs4 192.168.200.253:/exports/state/oleg125-client.virtnet /var/lib/stateless/state ffff88012aa83dc0 ffff88012a61f000 nfs4 192.168.200.253:/exports/state/oleg125-client.virtnet /boot ffff8800b3fd8c40 ffff88012a61f000 nfs4 192.168.200.253:/exports/state/oleg125-client.virtnet /etc/etc/kdump.conf ffff88012aa83c00 ffff88012aa8b800 rpc_pipefs sunrpc /var/lib/nfs/var/lib/nfs/rpc_pipefs ffff8800b3d3afc0 ffff8800b3a12800 nfs4 192.168.200.253://exports/testreports/52418/testresults/racer-ldiskfs-DNE-centos7_x86_64-centos7_x86_64 /tmp/tmp/testlogs ffff880138ccbc00 ffff88000002b800 tmpfs tmpfs /run/user/0 ffff880130e90e00 ffff8800b6d03800 squashfs /dev/vda /usr/sbin/mount.lustre ffff8800b3901dc0 ffff88012a461800 lustre 192.168.201.125@tcp:/lustre /mnt/lustre ffff8800b3d3b500 ffff8800a95c7800 lustre 192.168.201.125@tcp:/lustre /mnt/lustre2 +-------------------------------+ >----------------------| Last 40 lines of dmesg buffer |----------------------< +-------------------------------+ [ 600.818616] [] filename_lookup+0x2b/0xc0 [ 600.821364] [] user_path_at_empty+0x67/0xc0 [ 600.824115] [] user_path_at+0x11/0x20 [ 600.825237] [] vfs_fstatat+0x63/0xc0 [ 600.827610] [] SYSC_newstat+0x2e/0x60 [ 600.829910] [] ? trace_do_page_fault+0x56/0x170 [ 600.832873] [] SyS_newstat+0xe/0x10 [ 600.835241] [] system_call_fastpath+0x1f/0x24 [ 600.837363] INFO: task lfs:818 blocked for more than 120 seconds. [ 600.839714] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 600.842341] lfs D ffff8800b63206c0 12552 818 29000 0x00000000 [ 600.845337] Call Trace: [ 600.846812] [] schedule_preempt_disabled+0x39/0x90 [ 600.850161] [] __mutex_lock_slowpath+0x13a/0x340 [ 600.853192] [] mutex_lock+0x2d/0x40 [ 600.856503] [] lookup_slow+0x33/0xa7 [ 600.859362] [] path_lookupat+0x89e/0x8d0 [ 600.862593] [] ? kmem_cache_alloc+0x11b/0x2e0 [ 600.865446] [] ? getname_flags+0x4f/0x1a0 [ 600.867461] [] filename_lookup+0x2b/0xc0 [ 600.869257] [] user_path_at_empty+0x67/0xc0 [ 600.871236] [] user_path_at+0x11/0x20 [ 600.873722] [] vfs_fstatat+0x63/0xc0 [ 600.875561] [] SYSC_newstat+0x2e/0x60 [ 600.877454] [] ? trace_do_page_fault+0x56/0x170 [ 600.880022] [] SyS_newstat+0xe/0x10 [ 600.881390] [] system_call_fastpath+0x1f/0x24 [ 600.883950] INFO: task mrename:821 blocked for more than 120 seconds. [ 600.886477] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 600.890017] mrename D ffff880084ddd100 12432 821 29029 0x00000000 [ 600.894231] Call Trace: [ 600.895359] [] schedule_preempt_disabled+0x39/0x90 [ 600.897660] [] __mutex_lock_slowpath+0x13a/0x340 [ 600.900059] [] mutex_lock+0x2d/0x40 [ 600.902761] [] lock_rename+0xc0/0xe0 [ 600.904863] [] SYSC_renameat2+0x22f/0x570 [ 600.906668] [] ? handle_mm_fault+0xc2/0x150 [ 600.909069] [] SyS_renameat2+0xe/0x10 [ 600.910318] [] SyS_rename+0x1e/0x20 [ 600.913621] [] system_call_fastpath+0x1f/0x24 ****************************************************************************** ************************ A Summary Of Problems Found ************************* ****************************************************************************** -------------------- A list of all +++WARNING+++ messages -------------------- PARTIAL DUMP with size(vmcore) < 25% size(RAM) High Load Averages: 42.20, 76.00, 84.54 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 11.71s (real) 5.87s (CPU), Child processes: 5.78s