************************ crashinfo ************************* /exports/testreports/51283/testresults/racer-ldiskfs-DNE-centos7_x86_64-centos7_x86_64/oleg141-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.BP3JW/vmlinux [TAINTED] DUMPFILE: /exports/testreports/51283/testresults/racer-ldiskfs-DNE-centos7_x86_64-centos7_x86_64/oleg141-client-timeout-core [PARTIAL DUMP] CPUS: 4 DATE: Thu May 1 16:12:33 EDT 2025 UPTIME: 00:33:46 LOAD AVERAGE: 22.00, 24.35, 45.43 TASKS: 184 NODENAME: oleg141-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 15 last 5s 33 last 60s 45 ----- Total Numbers of Threads per State ------ TASK_INTERRUPTIBLE 158 TASK_RUNNING 1 TASK_UNINTERRUPTIBLE 22 +++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 ----- -------------- ------ ---------------------------- 30553 kworker/0:2 0 ms (no user stack) 2019 socknal_reaper 0 ms (no user stack) 9 rcu_sched 0 ms (no user stack) 590 kworker/1:2 0 ms (no user stack) 909 in:imjournal 0 ms /usr/sbin/rsyslogd -n +------------------------+ >-------------------------| Memory Usage (kmem -i) |-------------------------< +------------------------+ PAGES TOTAL PERCENTAGE TOTAL MEM 955079 3.6 GB ---- FREE 790924 3 GB 82% of TOTAL MEM USED 164155 641.2 MB 17% of TOTAL MEM SHARED 10026 39.2 MB 1% of TOTAL MEM BUFFERS 5200 20.3 MB 0% of TOTAL MEM CACHED 46409 181.3 MB 4% of TOTAL MEM SLAB 38378 149.9 MB 4% 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 66089 258.2 MB 8% of TOTAL LIMIT +++three oldest UNINTERRUPTIBLE threads ... ran 1194s ago PID=4974 CPU=0 CMD=dir_create.sh #0 __schedule+0x2e2 #1 schedule_preempt_disabled+0x39 #2 __mutex_lock_slowpath+0x13a #3 mutex_lock+0x2d #4 lookup_slow+0x33 #5 link_path_walk+0x81f #6 path_openat+0xae #7 do_filp_open+0x4d #8 do_sys_open+0x124 #9 sys_open+0x1e #10 system_call_fastpath+0x1f, 477 bytes of data ... ran 1195s ago PID=27599 CPU=2 CMD=mrename #0 __schedule+0x2e2 #1 schedule_preempt_disabled+0x39 #2 __mutex_lock_slowpath+0x13a #3 mutex_lock+0x2d #4 lock_rename+0x31 #5 SYSC_renameat2+0x22f #6 sys_renameat2+0xe #7 sys_rename+0x1e #8 system_call_fastpath+0x1f, 477 bytes of data ... ran 1195s ago PID=27535 CPU=2 CMD=mrename #0 __schedule+0x2e2 #1 schedule_preempt_disabled+0x39 #2 __mutex_lock_slowpath+0x13a #3 mutex_lock+0x2d #4 lock_rename+0x31 #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=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 2023.5 eth0 n/a 0.2 RSS_TOTAL=102232 pages, %mem= 1.5 +++WARNING+++ Possible hang +++WARNING+++ Run 'hanginfo' to get more details +------------+ >-------------------------------| Mounted FS |-------------------------------< +------------+ MOUNT SUPERBLK TYPE DEVNAME DIRNAME ffff880138cca000 ffff880139940800 rootfs rootfs / ffff880137668380 ffff880137679000 sysfs sysfs /sys ffff880137668540 ffff880139944000 proc proc /proc ffff880137668700 ffff880137678000 devtmpfs devtmpfs /dev ffff8801376688c0 ffff88012b3c5000 securityfs securityfs /sys/kernel/security ffff880137668a80 ffff880137679800 tmpfs tmpfs /dev/shm ffff880137668c40 ffff8801372f6000 devpts devpts /dev/pts ffff880137668e00 ffff88013767a000 tmpfs tmpfs /run ffff880137668fc0 ffff88013767a800 tmpfs tmpfs /sys/fs/cgroup ffff880137669180 ffff88013767b000 cgroup cgroup /sys/fs/cgroup/systemd ffff880137669340 ffff88013767b800 pstore pstore /sys/fs/pstore ffff880138ccafc0 ffff88012aa1c800 cgroup cgroup /sys/fs/cgroup/net_cls,net_prio ffff880138ccb180 ffff88012aa1d000 cgroup cgroup /sys/fs/cgroup/cpu,cpuacct ffff880138ccb340 ffff88012aa1d800 cgroup cgroup /sys/fs/cgroup/hugetlb ffff880138ccb500 ffff88012aa1e000 cgroup cgroup /sys/fs/cgroup/pids ffff880138ccb6c0 ffff88012aa1e800 cgroup cgroup /sys/fs/cgroup/devices ffff880138ccb880 ffff88012aa1f000 cgroup cgroup /sys/fs/cgroup/memory ffff880138ccba40 ffff88012aa1f800 cgroup cgroup /sys/fs/cgroup/cpuset ffff880138ccbc00 ffff88012aae8000 cgroup cgroup /sys/fs/cgroup/blkio ffff880138ccbdc0 ffff88012aae8800 cgroup cgroup /sys/fs/cgroup/perf_event ffff88012aaf0000 ffff88012aae9000 cgroup cgroup /sys/fs/cgroup/freezer ffff88012aa141c0 ffff88012b3c6800 configfs configfs /sys/kernel/config ffff88012aaf0380 ffff88012aaed000 ext4 /dev/nbd0 / ffff88012aa15340 ffff8800b6ce6800 rpc_pipefs rpc_pipefs /var/lib/nfs/rpc_pipefs ffff88012b246e00 ffff8800b6ce5000 autofs systemd-1 /proc/sys/fs/binfmt_misc ffff88012aa15a40 ffff880139947800 debugfs debugfs /sys/kernel/debug ffff88012b246fc0 ffff8801372f7800 mqueue mqueue /dev/mqueue ffff88012aaf0540 ffff8800b63da000 hugetlbfs hugetlbfs /dev/hugepages ffff88012b247180 ffff8800b6295000 binfmt_misc binfmt_misc /proc/sys/fs/binfmt_misc/ ffff88012aa15c00 ffff8800b627e800 ramfs none /mnt ffff88012aaf08c0 ffff8800b63db000 tmpfs none /var/lib/stateless/writable ffff88012aa15dc0 ffff8800b60d5000 squashfs /dev/vda /home/green/git/lustre-release ffff8801376696c0 ffff8800b63db000 tmpfs none /var/cache/man ffff880137669880 ffff8800b63db000 tmpfs none /var/log ffff880137669a40 ffff8800b63db000 tmpfs none /var/lib/dbus ffff880137669c00 ffff8800b63db000 tmpfs none /tmp ffff880137669dc0 ffff8800b63db000 tmpfs none /var/lib/dhclient ffff88012aa156c0 ffff8800b63db000 tmpfs none /var/tmp ffff8800b5e14000 ffff8800b63db000 tmpfs none /var/lib/NetworkManager ffff8800b5e141c0 ffff8800b63db000 tmpfs none /var/lib/systemd/random-seed ffff88012aaf0a80 ffff8800b63db000 tmpfs none /var/spool ffff8800b5e14380 ffff8800b63db000 tmpfs none /var/lib/nfs ffff8800b5e14540 ffff8800b63db000 tmpfs none /var/lib/gssproxy ffff88012aa15500 ffff8800b63db000 tmpfs none /var/lib/logrotate ffff88012aaf0c40 ffff8800b63db000 tmpfs none /etc ffff8800b5e14700 ffff8800b63db000 tmpfs none /var/lib/rsyslog ffff8800b42c8000 ffff8800b63db000 tmpfs none /var/lib/dhclient/var/lib/dhclient ffff88012b247340 ffff88012a5fb800 nfs4 192.168.200.253:/exports/state/oleg141-client.virtnet /var/lib/stateless/state ffff8800b42c81c0 ffff88012a5fb800 nfs4 192.168.200.253:/exports/state/oleg141-client.virtnet /boot ffff88012b247a40 ffff88012a5fb800 nfs4 192.168.200.253:/exports/state/oleg141-client.virtnet /etc/etc/kdump.conf ffff8800b5e148c0 ffff8800b6ce6800 rpc_pipefs sunrpc /var/lib/nfs/var/lib/nfs/rpc_pipefs ffff88012b2476c0 ffff8800b63dc800 nfs4 192.168.200.253://exports/testreports/51283/testresults/racer-ldiskfs-DNE-centos7_x86_64-centos7_x86_64 /tmp/tmp/testlogs ffff8800b3de1880 ffff8800b60d3000 tmpfs tmpfs /run/user/0 ffff88012b247dc0 ffff8800b60d5000 squashfs /dev/vda /usr/sbin/mount.lustre ffff88012b225340 ffff8800b5c9a000 lustre 192.168.201.141@tcp:/lustre /mnt/lustre ffff88012b225880 ffff8800aa74e800 lustre 192.168.201.141@tcp:/lustre /mnt/lustre2 +-------------------------------+ >----------------------| Last 40 lines of dmesg buffer |----------------------< +-------------------------------+ [ 961.442645] [] mutex_lock+0x2d/0x40 [ 961.445538] [] do_last+0x296/0x1280 [ 961.448382] [] ? link_path_walk+0x27e/0x8c0 [ 961.450987] [] path_openat+0xcd/0x5b0 [ 961.456018] [] do_filp_open+0x4d/0xb0 [ 961.461022] [] ? do_raw_spin_unlock+0x49/0x90 [ 961.464445] [] ? _raw_spin_unlock+0xe/0x20 [ 961.470454] [] ? __alloc_fd+0xc3/0x170 [ 961.474316] [] do_sys_open+0x124/0x220 [ 961.476398] [] SyS_open+0x1e/0x20 [ 961.478829] [] system_call_fastpath+0x1f/0x24 [ 961.480746] INFO: task mrename:27686 blocked for more than 120 seconds. [ 961.484118] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 961.490512] mrename D ffff8800a3426c58 12456 27686 1 0x00000004 [ 961.494878] Call Trace: [ 961.498249] [] schedule_preempt_disabled+0x39/0x90 [ 961.509646] [] __mutex_lock_slowpath+0x13a/0x340 [ 961.513167] [] mutex_lock+0x2d/0x40 [ 961.520139] [] lock_rename+0xc0/0xe0 [ 961.527904] [] SYSC_renameat2+0x22f/0x570 [ 961.532542] [] ? handle_mm_fault+0xc2/0x150 [ 961.537123] [] SyS_renameat2+0xe/0x10 [ 961.539737] [] SyS_rename+0x1e/0x20 [ 961.542617] [] system_call_fastpath+0x1f/0x24 [ 961.549721] INFO: task mrename:27690 blocked for more than 120 seconds. [ 961.555783] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 961.560385] mrename D ffff88012ab072c0 12456 27690 1 0x00000004 [ 961.568656] Call Trace: [ 961.570293] [] schedule_preempt_disabled+0x39/0x90 [ 961.578334] [] __mutex_lock_slowpath+0x13a/0x340 [ 961.584187] [] mutex_lock+0x2d/0x40 [ 961.586689] [] lock_rename+0xc0/0xe0 [ 961.590892] [] SYSC_renameat2+0x22f/0x570 [ 961.599236] [] ? handle_mm_fault+0xc2/0x150 [ 961.604642] [] SyS_renameat2+0xe/0x10 [ 961.607362] [] SyS_rename+0x1e/0x20 [ 961.609899] [] system_call_fastpath+0x1f/0x24 [ 1163.797267] Lustre: lustre-OST0000-osc-ffff8800aa74e800: disconnect after 22s idle [ 1163.812126] Lustre: Skipped 1 previous similar message [ 1534.501128] Lustre: lustre-OST0000-osc-ffff8800b5c9a000: disconnect after 22s idle ****************************************************************************** ************************ 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 12.03s (real) 6.07s (CPU), Child processes: 5.91s