************************ crashinfo ************************* /exports/testreports/51278/testresults/racer-ldiskfs-DNE-centos7_x86_64-centos7_x86_64/oleg342-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.116QU/vmlinux [TAINTED] DUMPFILE: /exports/testreports/51278/testresults/racer-ldiskfs-DNE-centos7_x86_64-centos7_x86_64/oleg342-client-timeout-core [PARTIAL DUMP] CPUS: 4 DATE: Thu May 1 16:10:42 EDT 2025 UPTIME: 00:33:46 LOAD AVERAGE: 0.00, 2.11, 27.22 TASKS: 159 NODENAME: oleg342-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 11 last 5s 30 last 60s 39 ----- Total Numbers of Threads per State ------ TASK_INTERRUPTIBLE 155 TASK_RUNNING 1 +++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 ----- -------------- ------ ---------------------------- 34 rcuos/3 0 ms (no user stack) 9 rcu_sched 0 ms (no user stack) 1 systemd 0 ms /usr/lib/systemd/systemd --switched-root --system --deserialize 22 46 kworker/2:1 627 ms (no user stack) 923 in:imjournal 627 ms /usr/sbin/rsyslogd -n +------------------------+ >-------------------------| Memory Usage (kmem -i) |-------------------------< +------------------------+ PAGES TOTAL PERCENTAGE TOTAL MEM 955079 3.6 GB ---- FREE 814685 3.1 GB 85% of TOTAL MEM USED 140394 548.4 MB 14% of TOTAL MEM SHARED 9995 39 MB 1% of TOTAL MEM BUFFERS 5203 20.3 MB 0% of TOTAL MEM CACHED 46415 181.3 MB 4% of TOTAL MEM SLAB 18178 71 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 63028 246.2 MB 8% of TOTAL LIMIT +-------------------------------+ >----------------------| 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 2024.6 eth0 n/a 0.8 RSS_TOTAL=82084 pages, %mem= 1.3 +------------+ >-------------------------------| Mounted FS |-------------------------------< +------------+ MOUNT SUPERBLK TYPE DEVNAME DIRNAME ffff880138cca000 ffff880139940800 rootfs rootfs / ffff880137668380 ffff88013767f800 sysfs sysfs /sys ffff880137668540 ffff880139944000 proc proc /proc ffff880137668700 ffff880137678000 devtmpfs devtmpfs /dev ffff8801376688c0 ffff880137320800 securityfs securityfs /sys/kernel/security ffff880137668a80 ffff88012ab28000 tmpfs tmpfs /dev/shm ffff880137668c40 ffff88013771f000 devpts devpts /dev/pts ffff880137668e00 ffff88012ab28800 tmpfs tmpfs /run ffff880137668fc0 ffff88012ab29000 tmpfs tmpfs /sys/fs/cgroup ffff880137669180 ffff88012ab29800 cgroup cgroup /sys/fs/cgroup/systemd ffff880137669340 ffff88012ab2a000 pstore pstore /sys/fs/pstore ffff880137669500 ffff88012ab2c000 cgroup cgroup /sys/fs/cgroup/memory ffff8801376696c0 ffff88012ab2b800 cgroup cgroup /sys/fs/cgroup/perf_event ffff880137669880 ffff88012ab2b000 cgroup cgroup /sys/fs/cgroup/net_cls,net_prio ffff880137669a40 ffff88012ab2a800 cgroup cgroup /sys/fs/cgroup/cpu,cpuacct ffff880137669c00 ffff88012ab2c800 cgroup cgroup /sys/fs/cgroup/pids ffff880137669dc0 ffff88012ab2d000 cgroup cgroup /sys/fs/cgroup/freezer ffff88012ab40000 ffff88012ab2d800 cgroup cgroup /sys/fs/cgroup/hugetlb ffff88012ab401c0 ffff88012ab2e000 cgroup cgroup /sys/fs/cgroup/devices ffff88012ab40380 ffff88012ab2e800 cgroup cgroup /sys/fs/cgroup/cpuset ffff88012ab40540 ffff88012ab2f000 cgroup cgroup /sys/fs/cgroup/blkio ffff880138ccb340 ffff88012a459800 configfs configfs /sys/kernel/config ffff88012ab41a40 ffff8800b6e25800 ext4 /dev/nbd0 / ffff880138ccb500 ffff880137326800 rpc_pipefs rpc_pipefs /var/lib/nfs/rpc_pipefs ffff88012aae0380 ffff88012a45a000 autofs systemd-1 /proc/sys/fs/binfmt_misc ffff880137012c40 ffff880137027800 mqueue mqueue /dev/mqueue ffff880137012700 ffff880139947800 debugfs debugfs /sys/kernel/debug ffff880137012e00 ffff8800b6301000 hugetlbfs hugetlbfs /dev/hugepages ffff88012aae0540 ffff88012a45f800 binfmt_misc binfmt_misc /proc/sys/fs/binfmt_misc/ ffff880138ccb6c0 ffff8800b6ff0000 ramfs none /mnt ffff88012ab41dc0 ffff8800b6e21000 tmpfs none /var/lib/stateless/writable ffff880138ccb880 ffff88012a458800 squashfs /dev/vda /home/green/git/lustre-release ffff88012aae08c0 ffff8800b6e21000 tmpfs none /var/cache/man ffff880137012fc0 ffff8800b6e21000 tmpfs none /var/log ffff8800b418e1c0 ffff8800b6e21000 tmpfs none /var/lib/dbus ffff8800b418e380 ffff8800b6e21000 tmpfs none /tmp ffff8800b418e540 ffff8800b6e21000 tmpfs none /var/lib/dhclient ffff8800b418e700 ffff8800b6e21000 tmpfs none /var/tmp ffff8800b418e8c0 ffff8800b6e21000 tmpfs none /var/lib/NetworkManager ffff88012aae0a80 ffff8800b6e21000 tmpfs none /var/lib/systemd/random-seed ffff880138ccba40 ffff8800b6e21000 tmpfs none /var/spool ffff8800b418ea80 ffff8800b6e21000 tmpfs none /var/lib/nfs ffff88012aae0c40 ffff8800b6e21000 tmpfs none /var/lib/gssproxy ffff880138ccbc00 ffff8800b6e21000 tmpfs none /var/lib/logrotate ffff88012aae0e00 ffff8800b6e21000 tmpfs none /etc ffff8800b418ec40 ffff8800b6e21000 tmpfs none /var/lib/rsyslog ffff8800b418ee00 ffff8800b6e21000 tmpfs none /var/lib/dhclient/var/lib/dhclient ffff88012aae0fc0 ffff880137324800 nfs4 192.168.200.253:/exports/state/oleg342-client.virtnet /var/lib/stateless/state ffff88012aae1180 ffff880137324800 nfs4 192.168.200.253:/exports/state/oleg342-client.virtnet /boot ffff880137013500 ffff880137324800 nfs4 192.168.200.253:/exports/state/oleg342-client.virtnet /etc/etc/kdump.conf ffff8801370136c0 ffff880137326800 rpc_pipefs sunrpc /var/lib/nfs/var/lib/nfs/rpc_pipefs ffff88012abbce00 ffff8800b6304800 nfs4 192.168.200.253://exports/testreports/51278/testresults/racer-ldiskfs-DNE-centos7_x86_64-centos7_x86_64 /tmp/tmp/testlogs ffff8800b418f880 ffff88012a581000 tmpfs tmpfs /run/user/0 ffff88012abbc380 ffff88012a458800 squashfs /dev/vda /usr/sbin/mount.lustre ffff88012abbc700 ffff8800b788f800 lustre 192.168.203.142@tcp:/lustre /mnt/lustre ffff8800b3820700 ffff8800aa6ca800 lustre 192.168.203.142@tcp:/lustre /mnt/lustre2 +-------------------------------+ >----------------------| Last 40 lines of dmesg buffer |----------------------< +-------------------------------+ [ 601.393876] ls D ffff88009a9c4a38 11600 17651 1 0x00000004 [ 601.403246] Call Trace: [ 601.407551] [] schedule_preempt_disabled+0x39/0x90 [ 601.410068] [] __mutex_lock_slowpath+0x13a/0x340 [ 601.415736] [] mutex_lock+0x2d/0x40 [ 601.416981] [] do_last+0x296/0x1280 [ 601.418525] [] ? link_path_walk+0x27e/0x8c0 [ 601.419933] [] path_openat+0xcd/0x5b0 [ 601.424306] [] do_filp_open+0x4d/0xb0 [ 601.426502] [] ? do_raw_spin_unlock+0x49/0x90 [ 601.428318] [] ? _raw_spin_unlock+0xe/0x20 [ 601.430322] [] ? __alloc_fd+0xc3/0x170 [ 601.432103] [] do_sys_open+0x124/0x220 [ 601.435212] [] SyS_openat+0x14/0x20 [ 601.438375] [] system_call_fastpath+0x1f/0x24 [ 601.441993] INFO: task ls:17654 blocked for more than 120 seconds. [ 601.445725] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 601.449180] ls D ffff880134a64380 11600 17654 1 0x00000004 [ 601.453927] Call Trace: [ 601.454878] [] schedule_preempt_disabled+0x39/0x90 [ 601.460754] [] __mutex_lock_slowpath+0x13a/0x340 [ 601.462904] [] mutex_lock+0x2d/0x40 [ 601.464498] [] do_last+0x296/0x1280 [ 601.465994] [] ? link_path_walk+0x27e/0x8c0 [ 601.467742] [] path_openat+0xcd/0x5b0 [ 601.469458] [] do_filp_open+0x4d/0xb0 [ 601.473062] [] ? do_raw_spin_unlock+0x49/0x90 [ 601.475527] [] ? _raw_spin_unlock+0xe/0x20 [ 601.478778] [] ? __alloc_fd+0xc3/0x170 [ 601.480707] [] do_sys_open+0x124/0x220 [ 601.482650] [] SyS_openat+0x14/0x20 [ 601.492065] [] system_call_fastpath+0x1f/0x24 [ 603.741250] Lustre: lustre-MDT0001-mdc-ffff8800aa6ca800: Connection to lustre-MDT0001 (at 192.168.203.142@tcp) was lost; in progress operations using this service will wait for recovery to complete [ 603.809613] LustreError: lustre-MDT0001-mdc-ffff8800aa6ca800: This client was evicted by lustre-MDT0001; in progress operations using this service will fail. [ 604.175590] Lustre: lustre-MDT0001-mdc-ffff8800aa6ca800: Connection restored to (at 192.168.203.142@tcp) [ 1106.988381] Lustre: lustre-OST0001-osc-ffff8800b788f800: disconnect after 23s idle [ 1106.995363] Lustre: Skipped 1 previous similar message [ 1117.019335] Lustre: lustre-OST0000-osc-ffff8800b788f800: disconnect after 20s idle [ 1137.067295] Lustre: lustre-OST0000-osc-ffff8800aa6ca800: disconnect after 21s idle [ 1157.117703] Lustre: lustre-OST0001-osc-ffff8800aa6ca800: disconnect after 21s 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 ------------------------------------------------------------------------------ ** Execution took 12.15s (real) 6.08s (CPU), Child processes: 5.97s