************************ crashinfo ************************* /exports/testreports/51242/testresults/racer-ldiskfs-DNE-centos7_x86_64-centos7_x86_64/oleg210-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.hPaHT/vmlinux [TAINTED] DUMPFILE: /exports/testreports/51242/testresults/racer-ldiskfs-DNE-centos7_x86_64-centos7_x86_64/oleg210-client-timeout-core [PARTIAL DUMP] CPUS: 4 DATE: Wed Apr 30 22:39:00 EDT 2025 UPTIME: 00:33:39 LOAD AVERAGE: 22.00, 23.74, 42.99 TASKS: 185 NODENAME: oleg210-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 29 last 60s 42 ----- Total Numbers of Threads per State ------ TASK_INTERRUPTIBLE 159 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 ----- -------------- ------ ---------------------------- 1991 socknal_reaper 0 ms (no user stack) 1997 monitor_thread 0 ms (no user stack) 27 rcuos/2 1 ms (no user stack) 1998 lnet_discovery 149 ms (no user stack) 11515 ldlm_bl_07 167 ms (no user stack) +------------------------+ >-------------------------| Memory Usage (kmem -i) |-------------------------< +------------------------+ PAGES TOTAL PERCENTAGE TOTAL MEM 955079 3.6 GB ---- FREE 769867 2.9 GB 80% of TOTAL MEM USED 185212 723.5 MB 19% of TOTAL MEM SHARED 10031 39.2 MB 1% of TOTAL MEM BUFFERS 5203 20.3 MB 0% of TOTAL MEM CACHED 46418 181.3 MB 4% of TOTAL MEM SLAB 57456 224.4 MB 6% 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 66074 258.1 MB 8% of TOTAL LIMIT +++three oldest UNINTERRUPTIBLE threads ... ran 1336s ago PID=13278 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 1336s ago PID=13182 CPU=0 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 1336s ago PID=13144 CPU=0 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 2017.4 eth0 n/a 1.3 RSS_TOTAL=101304 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 ffff88012aa18000 sysfs sysfs /sys ffff880137668540 ffff880139944000 proc proc /proc ffff880137668700 ffff880137678000 devtmpfs devtmpfs /dev ffff8801376688c0 ffff8800b6cf5800 securityfs securityfs /sys/kernel/security ffff880137668a80 ffff88012aa18800 tmpfs tmpfs /dev/shm ffff880137668c40 ffff880137321000 devpts devpts /dev/pts ffff880137668e00 ffff88012aa19000 tmpfs tmpfs /run ffff880137668fc0 ffff88012aa19800 tmpfs tmpfs /sys/fs/cgroup ffff880137669180 ffff88012aa1a000 cgroup cgroup /sys/fs/cgroup/systemd ffff880137669340 ffff88012aa1a800 pstore pstore /sys/fs/pstore ffff880137669500 ffff88012aa1c800 cgroup cgroup /sys/fs/cgroup/devices ffff8801376696c0 ffff88012aa1c000 cgroup cgroup /sys/fs/cgroup/blkio ffff880137669880 ffff88012aa1b800 cgroup cgroup /sys/fs/cgroup/perf_event ffff880137669a40 ffff88012aa1b000 cgroup cgroup /sys/fs/cgroup/cpuset ffff880137669c00 ffff88012aa1d000 cgroup cgroup /sys/fs/cgroup/hugetlb ffff880137669dc0 ffff88012aa1d800 cgroup cgroup /sys/fs/cgroup/freezer ffff88012aa2c000 ffff88012aa1e000 cgroup cgroup /sys/fs/cgroup/net_cls,net_prio ffff88012aa2c1c0 ffff88012aa1e800 cgroup cgroup /sys/fs/cgroup/cpu,cpuacct ffff88012aa2c380 ffff88012aa1f000 cgroup cgroup /sys/fs/cgroup/memory ffff88012aa2c540 ffff88012aa1f800 cgroup cgroup /sys/fs/cgroup/pids ffff88012b296c40 ffff8800b6f85000 configfs configfs /sys/kernel/config ffff88012aa2c8c0 ffff8800b6eaf000 ext4 /dev/nbd0 / ffff8800b5ce8fc0 ffff8800b6eaa800 rpc_pipefs rpc_pipefs /var/lib/nfs/rpc_pipefs ffff88012b296fc0 ffff8800b5c13000 autofs systemd-1 /proc/sys/fs/binfmt_misc ffff88012aa2cfc0 ffff880139947800 debugfs debugfs /sys/kernel/debug ffff88012aa2d180 ffff880137322800 mqueue mqueue /dev/mqueue ffff8800b5ce9180 ffff8800b6cb4800 hugetlbfs hugetlbfs /dev/hugepages ffff88012aa2d340 ffff88012a64e000 binfmt_misc binfmt_misc /proc/sys/fs/binfmt_misc/ ffff8800b5ce9340 ffff8800b66ae800 ramfs none /mnt ffff8800b5ce9500 ffff8800b78a6800 tmpfs none /var/lib/stateless/writable ffff8800b5ce96c0 ffff8800b6eab800 squashfs /dev/vda /home/green/git/lustre-release ffff8800b5ce9a40 ffff8800b78a6800 tmpfs none /var/cache/man ffff8800b5ce9c00 ffff8800b78a6800 tmpfs none /var/log ffff88012b297180 ffff8800b78a6800 tmpfs none /var/lib/dbus ffff8800b5ce9dc0 ffff8800b78a6800 tmpfs none /tmp ffff8800b5e10000 ffff8800b78a6800 tmpfs none /var/lib/dhclient ffff88012aa2d500 ffff8800b78a6800 tmpfs none /var/tmp ffff88012aa2d6c0 ffff8800b78a6800 tmpfs none /var/lib/NetworkManager ffff8800b5e101c0 ffff8800b78a6800 tmpfs none /var/lib/systemd/random-seed ffff88012aa2d880 ffff8800b78a6800 tmpfs none /var/spool ffff88012aa2da40 ffff8800b78a6800 tmpfs none /var/lib/nfs ffff88012aa2dc00 ffff8800b78a6800 tmpfs none /var/lib/gssproxy ffff8800b5e10380 ffff8800b78a6800 tmpfs none /var/lib/logrotate ffff88012b297340 ffff8800b78a6800 tmpfs none /etc ffff8800b5e10540 ffff8800b78a6800 tmpfs none /var/lib/rsyslog ffff88012b297500 ffff8800b78a6800 tmpfs none /var/lib/dhclient/var/lib/dhclient ffff8800b5e10700 ffff88012a550800 nfs4 192.168.200.253:/exports/state/oleg210-client.virtnet /var/lib/stateless/state ffff8800b5e108c0 ffff88012a550800 nfs4 192.168.200.253:/exports/state/oleg210-client.virtnet /boot ffff8800b5e10a80 ffff88012a550800 nfs4 192.168.200.253:/exports/state/oleg210-client.virtnet /etc/etc/kdump.conf ffff88012aa2ddc0 ffff8800b6eaa800 rpc_pipefs sunrpc /var/lib/nfs/var/lib/nfs/rpc_pipefs ffff88012e2e5880 ffff8800b645e800 nfs4 192.168.200.253://exports/testreports/51242/testresults/racer-ldiskfs-DNE-centos7_x86_64-centos7_x86_64 /tmp/tmp/testlogs ffff880138ccb6c0 ffff8800b6da5000 tmpfs tmpfs /run/user/0 ffff8800b5defc00 ffff8800b6eab800 squashfs /dev/vda /usr/sbin/mount.lustre ffff8800abd60380 ffff88012b0d8800 lustre 192.168.202.110@tcp:/lustre /mnt/lustre ffff8800b5e10c40 ffff8800aa550800 lustre 192.168.202.110@tcp:/lustre /mnt/lustre2 +-------------------------------+ >----------------------| Last 40 lines of dmesg buffer |----------------------< +-------------------------------+ [ 841.067271] [] mutex_lock+0x2d/0x40 [ 841.068597] [] do_last+0x296/0x1280 [ 841.070412] [] ? link_path_walk+0x27e/0x8c0 [ 841.074086] [] path_openat+0xcd/0x5b0 [ 841.076734] [] ? __handle_mm_fault+0x31d/0x720 [ 841.078821] [] do_filp_open+0x4d/0xb0 [ 841.080804] [] ? do_raw_spin_unlock+0x49/0x90 [ 841.082913] [] ? _raw_spin_unlock+0xe/0x20 [ 841.087795] [] ? __alloc_fd+0xc3/0x170 [ 841.091786] [] do_sys_open+0x124/0x220 [ 841.095900] [] SyS_open+0x1e/0x20 [ 841.100023] [] system_call_fastpath+0x1f/0x24 [ 841.102310] INFO: task rm:13377 blocked for more than 120 seconds. [ 841.110809] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 841.116246] rm D ffff8801373fc440 11800 13377 1 0x00000004 [ 841.119602] Call Trace: [ 841.121293] [] schedule_preempt_disabled+0x39/0x90 [ 841.124298] [] __mutex_lock_slowpath+0x13a/0x340 [ 841.126363] [] mutex_lock+0x2d/0x40 [ 841.127959] [] do_rmdir+0x165/0x200 [ 841.129681] [] ? task_work_run+0xcd/0xf0 [ 841.131598] [] SyS_unlinkat+0x25/0x40 [ 841.133195] [] system_call_fastpath+0x1f/0x24 [ 841.135027] INFO: task mrename:13402 blocked for more than 120 seconds. [ 841.137297] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 841.140335] mrename D ffff88009d8caf40 12456 13402 1 0x00000004 [ 841.142059] Call Trace: [ 841.142740] [] schedule_preempt_disabled+0x39/0x90 [ 841.144980] [] __mutex_lock_slowpath+0x13a/0x340 [ 841.147945] [] mutex_lock+0x2d/0x40 [ 841.153144] [] lock_rename+0x31/0xe0 [ 841.157253] [] SYSC_renameat2+0x22f/0x570 [ 841.159956] [] ? handle_mm_fault+0xc2/0x150 [ 841.161634] [] SyS_renameat2+0xe/0x10 [ 841.163815] [] SyS_rename+0x1e/0x20 [ 841.165184] [] system_call_fastpath+0x1f/0x24 [ 875.761967] Lustre: lustre-OST0001-osc-ffff88012b0d8800: disconnect after 21s idle [ 875.764591] Lustre: Skipped 1 previous similar message [ 1066.086263] Lustre: lustre-OST0000-osc-ffff88012b0d8800: disconnect after 21s idle [ 1434.706087] Lustre: lustre-OST0000-osc-ffff8800aa550800: disconnect after 23s 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 12.23s (real) 6.07s (CPU), Child processes: 6.05s