************************ crashinfo ************************* /exports/testreports/51281/testresults/racer-ldiskfs-DNE-centos7_x86_64-centos7_x86_64/oleg132-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.x9kGZ/vmlinux [TAINTED] DUMPFILE: /exports/testreports/51281/testresults/racer-ldiskfs-DNE-centos7_x86_64-centos7_x86_64/oleg132-client-timeout-core [PARTIAL DUMP] CPUS: 4 DATE: Thu May 1 16:05:29 EDT 2025 UPTIME: 00:33:45 LOAD AVERAGE: 18.00, 19.91, 40.19 TASKS: 179 NODENAME: oleg132-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 33 last 60s 44 ----- Total Numbers of Threads per State ------ TASK_INTERRUPTIBLE 157 TASK_RUNNING 1 TASK_UNINTERRUPTIBLE 18 +++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 ----- -------------- ------ ---------------------------- 11927 ldlm_bl_04 0 ms (no user stack) 257 kworker/2:2 0 ms (no user stack) 20 rcuos/1 1 ms (no user stack) 910 in:imjournal 28 ms /usr/sbin/rsyslogd -n 9 rcu_sched 290 ms (no user stack) +------------------------+ >-------------------------| Memory Usage (kmem -i) |-------------------------< +------------------------+ PAGES TOTAL PERCENTAGE TOTAL MEM 955079 3.6 GB ---- FREE 790351 3 GB 82% of TOTAL MEM USED 164728 643.5 MB 17% of TOTAL MEM SHARED 9969 38.9 MB 1% of TOTAL MEM BUFFERS 5204 20.3 MB 0% of TOTAL MEM CACHED 46415 181.3 MB 4% of TOTAL MEM SLAB 40997 160.1 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 65203 254.7 MB 8% of TOTAL LIMIT +++three oldest UNINTERRUPTIBLE threads ... ran 1318s ago PID=30791 CPU=1 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 1318s ago PID=30783 CPU=3 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 1318s ago PID=30750 CPU=1 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 -------------------- CLOSE 1 Interfaces Info --------------- How long ago (in seconds) interfaces transmitted/received? Name RX TX ---- ---------- --------- lo n/a 2022.9 eth0 n/a 1.0 RSS_TOTAL=92812 pages, %mem= 1.4 +++WARNING+++ Possible hang +++WARNING+++ Run 'hanginfo' to get more details +------------+ >-------------------------------| Mounted FS |-------------------------------< +------------+ MOUNT SUPERBLK TYPE DEVNAME DIRNAME ffff880138cca000 ffff880139940800 rootfs rootfs / ffff88012aaac000 ffff880137328800 sysfs sysfs /sys ffff88012aaac1c0 ffff880139944000 proc proc /proc ffff88012aaac380 ffff880137678000 devtmpfs devtmpfs /dev ffff88012aaac540 ffff88012aa2f000 securityfs securityfs /sys/kernel/security ffff88012aaac700 ffff880137329000 tmpfs tmpfs /dev/shm ffff88012aaac8c0 ffff88013771f000 devpts devpts /dev/pts ffff88012aaaca80 ffff880137329800 tmpfs tmpfs /run ffff88012aaacc40 ffff88013732a000 tmpfs tmpfs /sys/fs/cgroup ffff88012aaace00 ffff88013732a800 cgroup cgroup /sys/fs/cgroup/systemd ffff88012aaacfc0 ffff88013732b000 pstore pstore /sys/fs/pstore ffff8801377f6540 ffff880137192000 cgroup cgroup /sys/fs/cgroup/hugetlb ffff8801377f6700 ffff880137191800 cgroup cgroup /sys/fs/cgroup/memory ffff8801377f68c0 ffff880137191000 cgroup cgroup /sys/fs/cgroup/cpu,cpuacct ffff8801377f6a80 ffff880137190800 cgroup cgroup /sys/fs/cgroup/perf_event ffff8801377f6c40 ffff880137192800 cgroup cgroup /sys/fs/cgroup/freezer ffff8801377f6e00 ffff880137193000 cgroup cgroup /sys/fs/cgroup/pids ffff8801377f6fc0 ffff880137193800 cgroup cgroup /sys/fs/cgroup/net_cls,net_prio ffff8801377f7180 ffff880137194000 cgroup cgroup /sys/fs/cgroup/devices ffff8801377f7340 ffff880137194800 cgroup cgroup /sys/fs/cgroup/blkio ffff8801377f7500 ffff880137195000 cgroup cgroup /sys/fs/cgroup/cpuset ffff880138ccba40 ffff88012aaef000 configfs configfs /sys/kernel/config ffff8801377f76c0 ffff8800b60f6800 ext4 /dev/nbd0 / ffff880137668700 ffff88012aaed000 rpc_pipefs rpc_pipefs /var/lib/nfs/rpc_pipefs ffff8801377f7dc0 ffff880137197000 autofs systemd-1 /proc/sys/fs/binfmt_misc ffff8801376688c0 ffff88012b2a0800 mqueue mqueue /dev/mqueue ffff8801377f7c00 ffff880137197800 hugetlbfs hugetlbfs /dev/hugepages ffff8801377f7a40 ffff880139947800 debugfs debugfs /sys/kernel/debug ffff88012a62a1c0 ffff8800b5cf2800 binfmt_misc binfmt_misc /proc/sys/fs/binfmt_misc/ ffff880137668a80 ffff88012a5de800 ramfs none /mnt ffff880137668c40 ffff88012a5dd000 tmpfs none /var/lib/stateless/writable ffff8801377f7880 ffff8800b6270800 squashfs /dev/vda /home/green/git/lustre-release ffff880137668e00 ffff88012a5dd000 tmpfs none /var/cache/man ffff880138ccbc00 ffff88012a5dd000 tmpfs none /var/log ffff880137668fc0 ffff88012a5dd000 tmpfs none /var/lib/dbus ffff880137669180 ffff88012a5dd000 tmpfs none /tmp ffff88012a62a700 ffff88012a5dd000 tmpfs none /var/lib/dhclient ffff88012a62a8c0 ffff88012a5dd000 tmpfs none /var/tmp ffff8800b6cfa000 ffff88012a5dd000 tmpfs none /var/lib/NetworkManager ffff88012a62aa80 ffff88012a5dd000 tmpfs none /var/lib/systemd/random-seed ffff8800b6cfa1c0 ffff88012a5dd000 tmpfs none /var/spool ffff8800b6cfa380 ffff88012a5dd000 tmpfs none /var/lib/nfs ffff8800b6cfa540 ffff88012a5dd000 tmpfs none /var/lib/gssproxy ffff88012a62ac40 ffff88012a5dd000 tmpfs none /var/lib/logrotate ffff880137669340 ffff88012a5dd000 tmpfs none /etc ffff8800b6cfa700 ffff88012a5dd000 tmpfs none /var/lib/rsyslog ffff880137669500 ffff88012a5dd000 tmpfs none /var/lib/dhclient/var/lib/dhclient ffff8800b6cfa8c0 ffff88012aaea800 nfs4 192.168.200.253:/exports/state/oleg132-client.virtnet /var/lib/stateless/state ffff88012a62ae00 ffff88012aaea800 nfs4 192.168.200.253:/exports/state/oleg132-client.virtnet /boot ffff88012a62afc0 ffff88012aaea800 nfs4 192.168.200.253:/exports/state/oleg132-client.virtnet /etc/etc/kdump.conf ffff8800b6cfae00 ffff88012aaed000 rpc_pipefs sunrpc /var/lib/nfs/var/lib/nfs/rpc_pipefs ffff8800afe04380 ffff88012c0f4000 nfs4 192.168.200.253://exports/testreports/51281/testresults/racer-ldiskfs-DNE-centos7_x86_64-centos7_x86_64 /tmp/tmp/testlogs ffff8800afe04540 ffff8800b43fd000 tmpfs tmpfs /run/user/0 ffff8800afe04c40 ffff8800b6270800 squashfs /dev/vda /usr/sbin/mount.lustre ffff8800afe05180 ffff8800b5e13000 lustre 192.168.201.132@tcp:/lustre /mnt/lustre ffff8800afd06700 ffff8800aae8b800 lustre 192.168.201.132@tcp:/lustre /mnt/lustre2 +-------------------------------+ >----------------------| Last 40 lines of dmesg buffer |----------------------< +-------------------------------+ [ 841.653025] [] ? handle_mm_fault+0xc2/0x150 [ 841.657906] [] SyS_renameat2+0xe/0x10 [ 841.660812] [] SyS_rename+0x1e/0x20 [ 841.670288] [] system_call_fastpath+0x1f/0x24 [ 841.679211] INFO: task mrename:30948 blocked for more than 120 seconds. [ 841.687511] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 841.690422] mrename D ffff880130e7a1c0 11736 30948 1 0x00000004 [ 841.708517] Call Trace: [ 841.709666] [] schedule_preempt_disabled+0x39/0x90 [ 841.732020] [] __mutex_lock_slowpath+0x13a/0x340 [ 841.734423] [] mutex_lock+0x2d/0x40 [ 841.736097] [] lock_rename+0x31/0xe0 [ 841.737839] [] SYSC_renameat2+0x22f/0x570 [ 841.740124] [] ? handle_mm_fault+0xc2/0x150 [ 841.742451] [] SyS_renameat2+0xe/0x10 [ 841.744637] [] SyS_rename+0x1e/0x20 [ 841.747445] [] system_call_fastpath+0x1f/0x24 [ 841.749933] INFO: task touch:30949 blocked for more than 120 seconds. [ 841.752320] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 841.779758] touch D ffff88012dc60d80 12736 30949 1 0x00000004 [ 841.799345] Call Trace: [ 841.805968] [] schedule_preempt_disabled+0x39/0x90 [ 841.808937] [] __mutex_lock_slowpath+0x13a/0x340 [ 841.811885] [] mutex_lock+0x2d/0x40 [ 841.833187] [] do_last+0x296/0x1280 [ 841.898790] [] ? link_path_walk+0x27e/0x8c0 [ 841.901367] [] path_openat+0xcd/0x5b0 [ 841.903235] [] ? __handle_mm_fault+0x31d/0x720 [ 841.906042] [] do_filp_open+0x4d/0xb0 [ 841.907842] [] ? do_raw_spin_unlock+0x49/0x90 [ 841.909933] [] ? _raw_spin_unlock+0xe/0x20 [ 841.912225] [] ? __alloc_fd+0xc3/0x170 [ 841.918564] [] do_sys_open+0x124/0x220 [ 841.927364] [] SyS_open+0x1e/0x20 [ 841.929281] [] system_call_fastpath+0x1f/0x24 [ 1446.340833] Lustre: lustre-OST0001-osc-ffff8800b5e13000: disconnect after 20s idle [ 1446.348351] Lustre: Skipped 1 previous similar message [ 1466.420764] Lustre: lustre-OST0000-osc-ffff8800b5e13000: disconnect after 20s idle [ 1476.451631] Lustre: lustre-OST0000-osc-ffff8800aae8b800: disconnect after 24s idle [ 1476.460077] Lustre: Skipped 1 previous similar message ****************************************************************************** ************************ 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 12.33s (real) 6.25s (CPU), Child processes: 6.00s