************************ crashinfo ************************* /exports/testreports/49254/testresults/racer-ldiskfs-DNE-centos7_x86_64-centos7_x86_64/oleg302-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.bgg3B/vmlinux [TAINTED] DUMPFILE: /exports/testreports/49254/testresults/racer-ldiskfs-DNE-centos7_x86_64-centos7_x86_64/oleg302-client-timeout-core [PARTIAL DUMP] CPUS: 4 DATE: Fri Feb 14 07:12:51 EST 2025 UPTIME: 00:33:40 LOAD AVERAGE: 24.00, 25.56, 43.85 TASKS: 186 NODENAME: oleg302-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 16 last 5s 29 last 60s 36 ----- Total Numbers of Threads per State ------ TASK_INTERRUPTIBLE 158 TASK_RUNNING 1 TASK_UNINTERRUPTIBLE 24 +++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) 28 watchdog/3 0 ms (no user stack) 911 in:imjournal 0 ms /usr/sbin/rsyslogd -n 1994 socknal_reaper 0 ms (no user stack) 14 watchdog/1 14 ms (no user stack) +------------------------+ >-------------------------| Memory Usage (kmem -i) |-------------------------< +------------------------+ PAGES TOTAL PERCENTAGE TOTAL MEM 955079 3.6 GB ---- FREE 720821 2.7 GB 75% of TOTAL MEM USED 234258 915.1 MB 24% of TOTAL MEM SHARED 10036 39.2 MB 1% of TOTAL MEM BUFFERS 5201 20.3 MB 0% of TOTAL MEM CACHED 46423 181.3 MB 4% of TOTAL MEM SLAB 103754 405.3 MB 10% 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 66314 259 MB 8% of TOTAL LIMIT +++three oldest UNINTERRUPTIBLE threads ... ran 1538s ago PID=4929 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 1538s ago PID=4863 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 1538s ago PID=5186 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 -------------------- ESTABLISHED 1 Interfaces Info --------------- How long ago (in seconds) interfaces transmitted/received? Name RX TX ---- ---------- --------- lo n/a 2018.2 eth0 n/a 2.8 RSS_TOTAL=100756 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 / ffff88013702a1c0 ffff88013700f800 sysfs sysfs /sys ffff88013702a380 ffff880139944000 proc proc /proc ffff88013702a540 ffff880137678000 devtmpfs devtmpfs /dev ffff88013702a700 ffff8800b6cc2000 securityfs securityfs /sys/kernel/security ffff88013702a8c0 ffff8801377e7800 tmpfs tmpfs /dev/shm ffff88013702aa80 ffff8801377ae800 devpts devpts /dev/pts ffff88013702ac40 ffff88012aad8000 tmpfs tmpfs /run ffff88013702ae00 ffff88012aad8800 tmpfs tmpfs /sys/fs/cgroup ffff88013702afc0 ffff88012aad9000 cgroup cgroup /sys/fs/cgroup/systemd ffff88013702b180 ffff88012aad9800 pstore pstore /sys/fs/pstore ffff88013702b340 ffff88012aadb800 cgroup cgroup /sys/fs/cgroup/net_cls,net_prio ffff88013702b500 ffff88012aadb000 cgroup cgroup /sys/fs/cgroup/devices ffff88013702b6c0 ffff88012aada800 cgroup cgroup /sys/fs/cgroup/hugetlb ffff88013702b880 ffff88012aada000 cgroup cgroup /sys/fs/cgroup/cpu,cpuacct ffff88013702ba40 ffff88012aadc000 cgroup cgroup /sys/fs/cgroup/blkio ffff88013702bc00 ffff88012aadc800 cgroup cgroup /sys/fs/cgroup/pids ffff88013702bdc0 ffff88012aadd000 cgroup cgroup /sys/fs/cgroup/freezer ffff88012aaaa000 ffff88012aadd800 cgroup cgroup /sys/fs/cgroup/perf_event ffff88012aaaa1c0 ffff88012aade000 cgroup cgroup /sys/fs/cgroup/memory ffff88012aaaa380 ffff88012aade800 cgroup cgroup /sys/fs/cgroup/cpuset ffff880137668700 ffff8800b6cc3000 configfs configfs /sys/kernel/config ffff88012aaaa8c0 ffff8800b6d6f000 ext4 /dev/nbd0 / ffff8800b64fa540 ffff8800b6cc4000 rpc_pipefs rpc_pipefs /var/lib/nfs/rpc_pipefs ffff88012aaaaa80 ffff8800b67b6000 autofs systemd-1 /proc/sys/fs/binfmt_misc ffff88012b274700 ffff880139947800 debugfs debugfs /sys/kernel/debug ffff88012b2748c0 ffff88012a582000 hugetlbfs hugetlbfs /dev/hugepages ffff88012b274a80 ffff880137139000 mqueue mqueue /dev/mqueue ffff88012b274c40 ffff88012a585000 binfmt_misc binfmt_misc /proc/sys/fs/binfmt_misc/ ffff880137668c40 ffff88012a619800 ramfs none /mnt ffff880137668e00 ffff8800b67b2000 tmpfs none /var/lib/stateless/writable ffff88012aaaae00 ffff8800b5c6a000 squashfs /dev/vda /home/green/git/lustre-release ffff880137668fc0 ffff8800b67b2000 tmpfs none /var/cache/man ffff8800b64fa8c0 ffff8800b67b2000 tmpfs none /var/log ffff88012aaaafc0 ffff8800b67b2000 tmpfs none /var/lib/dbus ffff880137669180 ffff8800b67b2000 tmpfs none /tmp ffff8800b64faa80 ffff8800b67b2000 tmpfs none /var/lib/dhclient ffff88012b274e00 ffff8800b67b2000 tmpfs none /var/tmp ffff880137669340 ffff8800b67b2000 tmpfs none /var/lib/NetworkManager ffff8800b64fac40 ffff8800b67b2000 tmpfs none /var/lib/systemd/random-seed ffff88012aaab180 ffff8800b67b2000 tmpfs none /var/spool ffff88012aaab340 ffff8800b67b2000 tmpfs none /var/lib/nfs ffff88012aaab500 ffff8800b67b2000 tmpfs none /var/lib/gssproxy ffff880137669500 ffff8800b67b2000 tmpfs none /var/lib/logrotate ffff8800b64fae00 ffff8800b67b2000 tmpfs none /etc ffff88012aaab6c0 ffff8800b67b2000 tmpfs none /var/lib/rsyslog ffff8801376696c0 ffff8800b67b2000 tmpfs none /var/lib/dhclient/var/lib/dhclient ffff88012b274fc0 ffff8800b67b3800 nfs4 192.168.200.253:/exports/state/oleg302-client.virtnet /var/lib/stateless/state ffff88012aaaba40 ffff8800b67b3800 nfs4 192.168.200.253:/exports/state/oleg302-client.virtnet /boot ffff88012aaabc00 ffff8800b67b3800 nfs4 192.168.200.253:/exports/state/oleg302-client.virtnet /etc/etc/kdump.conf ffff880137669880 ffff8800b6cc4000 rpc_pipefs sunrpc /var/lib/nfs/var/lib/nfs/rpc_pipefs ffff88012b275500 ffff88012a581000 nfs4 192.168.200.253://exports/testreports/49254/testresults/racer-ldiskfs-DNE-centos7_x86_64-centos7_x86_64 /tmp/tmp/testlogs ffff8800b64fb6c0 ffff8800b6cc5000 tmpfs tmpfs /run/user/0 ffff8800b64fa000 ffff8800b5c6a000 squashfs /dev/vda /usr/sbin/mount.lustre ffff88012b275880 ffff88012aa15800 lustre 192.168.203.102@tcp:/lustre /mnt/lustre ffff8800b4173c00 ffff8800aa64b800 lustre 192.168.203.102@tcp:/lustre /mnt/lustre2 +-------------------------------+ >----------------------| Last 40 lines of dmesg buffer |----------------------< +-------------------------------+ [ 720.974808] [] ? __handle_mm_fault+0x31d/0x720 [ 720.977583] [] do_filp_open+0x4d/0xb0 [ 720.983179] [] ? do_raw_spin_unlock+0x49/0x90 [ 720.985592] [] ? _raw_spin_unlock+0xe/0x20 [ 720.988038] [] ? __alloc_fd+0xc3/0x170 [ 720.991681] [] do_sys_open+0x124/0x220 [ 720.994453] [] SyS_open+0x1e/0x20 [ 720.996137] [] system_call_fastpath+0x1f/0x24 [ 720.999062] INFO: task mrename:5275 blocked for more than 120 seconds. [ 721.001948] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 721.005182] mrename D ffff88012b669440 11728 5275 3980 0x00000000 [ 721.007999] Call Trace: [ 721.009267] [] schedule_preempt_disabled+0x39/0x90 [ 721.012230] [] __mutex_lock_slowpath+0x13a/0x340 [ 721.015085] [] mutex_lock+0x2d/0x40 [ 721.018310] [] vfs_rename+0x41d/0x8e0 [ 721.020317] [] SYSC_renameat2+0x4d3/0x570 [ 721.023189] [] ? handle_mm_fault+0xc2/0x150 [ 721.025696] [] SyS_renameat2+0xe/0x10 [ 721.027813] [] SyS_rename+0x1e/0x20 [ 721.029908] [] system_call_fastpath+0x1f/0x24 [ 721.033637] INFO: task mrename:5284 blocked for more than 120 seconds. [ 721.036847] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 721.040086] mrename D ffff88009b4d72c0 12504 5284 3981 0x00000000 [ 721.044146] Call Trace: [ 721.045020] [] schedule_preempt_disabled+0x39/0x90 [ 721.047673] [] __mutex_lock_slowpath+0x13a/0x340 [ 721.050517] [] mutex_lock+0x2d/0x40 [ 721.053910] [] lock_rename+0xc0/0xe0 [ 721.058836] [] SYSC_renameat2+0x22f/0x570 [ 721.063820] [] ? handle_mm_fault+0xc2/0x150 [ 721.066241] [] SyS_renameat2+0xe/0x10 [ 721.068707] [] SyS_rename+0x1e/0x20 [ 721.070874] [] system_call_fastpath+0x1f/0x24 [ 739.137266] LustreError: 32101:0:(lov_object.c:1341:lov_layout_change()) lustre-clilov-ffff88012aa15800: cannot apply new layout on [0x240000403:0x2e4b:0x0] : rc = -5 [ 739.143520] LustreError: 32101:0:(lov_object.c:1341:lov_layout_change()) Skipped 29 previous similar messages [ 864.406900] Lustre: lustre-OST0001-osc-ffff8800aa64b800: disconnect after 24s idle [ 864.410010] Lustre: Skipped 1 previous similar message [ 1064.742808] Lustre: lustre-OST0000-osc-ffff8800aa64b800: disconnect after 23s idle [ 1435.334804] Lustre: lustre-OST0000-osc-ffff88012aa15800: 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 11.92s (real) 5.94s (CPU), Child processes: 5.95s