************************ crashinfo ************************* /exports/testreports/47970/testresults/racer-ldiskfs-DNE-centos7_x86_64-centos7_x86_64/oleg343-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.ADxhk/vmlinux [TAINTED] DUMPFILE: /exports/testreports/47970/testresults/racer-ldiskfs-DNE-centos7_x86_64-centos7_x86_64/oleg343-client-timeout-core [PARTIAL DUMP] CPUS: 4 DATE: Tue Dec 17 05:38:24 EST 2024 UPTIME: 00:33:35 LOAD AVERAGE: 16.00, 18.15, 41.58 TASKS: 178 NODENAME: oleg343-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 28 last 60s 38 ----- Total Numbers of Threads per State ------ TASK_INTERRUPTIBLE 158 TASK_RUNNING 1 TASK_UNINTERRUPTIBLE 16 +++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 ----- -------------- ------ ---------------------------- 20 rcuos/1 0 ms (no user stack) 1999 lnet_discovery 0 ms (no user stack) 907 in:imjournal 0 ms /usr/sbin/rsyslogd -n 49 kworker/0:1 126 ms (no user stack) 598 kworker/0:1H 201 ms (no user stack) +------------------------+ >-------------------------| Memory Usage (kmem -i) |-------------------------< +------------------------+ PAGES TOTAL PERCENTAGE TOTAL MEM 955079 3.6 GB ---- FREE 761353 2.9 GB 79% of TOTAL MEM USED 193726 756.7 MB 20% of TOTAL MEM SHARED 9927 38.8 MB 1% of TOTAL MEM BUFFERS 5167 20.2 MB 0% of TOTAL MEM CACHED 46321 180.9 MB 4% of TOTAL MEM SLAB 67322 263 MB 7% 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 65260 254.9 MB 8% of TOTAL LIMIT +++three oldest UNINTERRUPTIBLE threads ... ran 1402s ago PID=32096 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 1402s ago PID=32127 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 1402s ago PID=31962 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 2013.4 eth0 n/a 1.1 RSS_TOTAL=92960 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 ffff880137679800 sysfs sysfs /sys ffff880137668540 ffff880139944000 proc proc /proc ffff880137668700 ffff880137678000 devtmpfs devtmpfs /dev ffff8801376688c0 ffff8800b6d09800 securityfs securityfs /sys/kernel/security ffff880137668a80 ffff88013767a000 tmpfs tmpfs /dev/shm ffff880137668c40 ffff88013771f000 devpts devpts /dev/pts ffff880137668e00 ffff88013767a800 tmpfs tmpfs /run ffff880137668fc0 ffff88013767b000 tmpfs tmpfs /sys/fs/cgroup ffff880137669180 ffff88013767b800 cgroup cgroup /sys/fs/cgroup/systemd ffff880137669340 ffff88013767c000 pstore pstore /sys/fs/pstore ffff880138ccb500 ffff8800b6cf4800 cgroup cgroup /sys/fs/cgroup/perf_event ffff880138ccb6c0 ffff8800b6cf4000 cgroup cgroup /sys/fs/cgroup/cpuset ffff880138ccb880 ffff8800b6cf3800 cgroup cgroup /sys/fs/cgroup/cpu,cpuacct ffff880138ccba40 ffff8800b6cf3000 cgroup cgroup /sys/fs/cgroup/devices ffff880138ccbc00 ffff8800b6cf5000 cgroup cgroup /sys/fs/cgroup/net_cls,net_prio ffff880138ccbdc0 ffff8800b6cf5800 cgroup cgroup /sys/fs/cgroup/pids ffff88012aa70000 ffff8800b6cf6000 cgroup cgroup /sys/fs/cgroup/blkio ffff88012aa701c0 ffff8800b6cf6800 cgroup cgroup /sys/fs/cgroup/freezer ffff88012aa70380 ffff8800b6cf7000 cgroup cgroup /sys/fs/cgroup/hugetlb ffff88012aa70540 ffff8800b6cf7800 cgroup cgroup /sys/fs/cgroup/memory ffff880137669500 ffff88013767d800 configfs configfs /sys/kernel/config ffff8801376696c0 ffff8800b6221000 ext4 /dev/nbd0 / ffff88013702c8c0 ffff88013731a800 rpc_pipefs rpc_pipefs /var/lib/nfs/rpc_pipefs ffff8800b6e77180 ffff88012a5f1800 autofs systemd-1 /proc/sys/fs/binfmt_misc ffff88012aa70a80 ffff8800b5c99000 hugetlbfs hugetlbfs /dev/hugepages ffff880137669dc0 ffff88012b260800 mqueue mqueue /dev/mqueue ffff880137669c00 ffff880139947800 debugfs debugfs /sys/kernel/debug ffff88013702ca80 ffff88012a5e5000 binfmt_misc binfmt_misc /proc/sys/fs/binfmt_misc/ ffff88013702cc40 ffff88012a5e6000 ramfs none /mnt ffff88013702ce00 ffff88012a5e5800 tmpfs none /var/lib/stateless/writable ffff880137669a40 ffff88012a577800 squashfs /dev/vda /home/green/git/lustre-release ffff880137669880 ffff88012a5e5800 tmpfs none /var/cache/man ffff8800b5dcc000 ffff88012a5e5800 tmpfs none /var/log ffff88012aa70c40 ffff88012a5e5800 tmpfs none /var/lib/dbus ffff8800b5dcc1c0 ffff88012a5e5800 tmpfs none /tmp ffff8800b5dcc380 ffff88012a5e5800 tmpfs none /var/lib/dhclient ffff8800b5dcc540 ffff88012a5e5800 tmpfs none /var/tmp ffff8800b5dcc700 ffff88012a5e5800 tmpfs none /var/lib/NetworkManager ffff88013702cfc0 ffff88012a5e5800 tmpfs none /var/lib/systemd/random-seed ffff8800b6e776c0 ffff88012a5e5800 tmpfs none /var/spool ffff8800b6e77880 ffff88012a5e5800 tmpfs none /var/lib/nfs ffff8800b5dcc8c0 ffff88012a5e5800 tmpfs none /var/lib/gssproxy ffff88013702d180 ffff88012a5e5800 tmpfs none /var/lib/logrotate ffff8800b6e77a40 ffff88012a5e5800 tmpfs none /etc ffff8800b6e77c00 ffff88012a5e5800 tmpfs none /var/lib/rsyslog ffff8800b6e77dc0 ffff88012a5e5800 tmpfs none /var/lib/dhclient/var/lib/dhclient ffff88013702d340 ffff8800b6330000 nfs4 192.168.200.253:/exports/state/oleg343-client.virtnet /var/lib/stateless/state ffff8800b5dcca80 ffff8800b6330000 nfs4 192.168.200.253:/exports/state/oleg343-client.virtnet /boot ffff8800b5dccc40 ffff8800b6330000 nfs4 192.168.200.253:/exports/state/oleg343-client.virtnet /etc/etc/kdump.conf ffff8800b6e76000 ffff88013731a800 rpc_pipefs sunrpc /var/lib/nfs/var/lib/nfs/rpc_pipefs ffff88012a490a80 ffff8800ad873000 nfs4 192.168.200.253://exports/testreports/47970/testresults/racer-ldiskfs-DNE-centos7_x86_64-centos7_x86_64 /tmp/tmp/testlogs ffff88012abf9c00 ffff8800ad871800 tmpfs tmpfs /run/user/0 ffff88012a552540 ffff88012a577800 squashfs /dev/vda /usr/sbin/mount.lustre ffff880138ccb340 ffff8800b5c9a000 lustre 192.168.203.143@tcp:/lustre /mnt/lustre ffff88012a552700 ffff8800a9cc3800 lustre 192.168.203.143@tcp:/lustre /mnt/lustre2 +-------------------------------+ >----------------------| Last 40 lines of dmesg buffer |----------------------< +-------------------------------+ [ 841.009181] Call Trace: [ 841.009991] [] schedule_preempt_disabled+0x39/0x90 [ 841.012123] [] __mutex_lock_slowpath+0x13a/0x340 [ 841.014206] [] mutex_lock+0x2d/0x40 [ 841.019235] [] lock_rename+0x31/0xe0 [ 841.022703] [] SYSC_renameat2+0x22f/0x570 [ 841.028353] [] ? handle_mm_fault+0xc2/0x150 [ 841.035435] [] SyS_renameat2+0xe/0x10 [ 841.037801] [] SyS_rename+0x1e/0x20 [ 841.042051] [] system_call_fastpath+0x1f/0x24 [ 841.045108] INFO: task mrename:32062 blocked for more than 120 seconds. [ 841.047135] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 841.054459] mrename D ffff880135771b00 12488 32062 19907 0x00000000 [ 841.056911] Call Trace: [ 841.057448] [] schedule_preempt_disabled+0x39/0x90 [ 841.059830] [] __mutex_lock_slowpath+0x13a/0x340 [ 841.062390] [] mutex_lock+0x2d/0x40 [ 841.066341] [] lock_rename+0x31/0xe0 [ 841.069451] [] SYSC_renameat2+0x22f/0x570 [ 841.072263] [] ? handle_mm_fault+0xc2/0x150 [ 841.074387] [] SyS_renameat2+0xe/0x10 [ 841.076285] [] SyS_rename+0x1e/0x20 [ 841.078418] [] system_call_fastpath+0x1f/0x24 [ 841.081342] INFO: task mrename:32081 blocked for more than 120 seconds. [ 841.083688] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 841.091289] mrename D ffff88012dd32818 12512 32081 19932 0x00000000 [ 841.094734] Call Trace: [ 841.095758] [] schedule_preempt_disabled+0x39/0x90 [ 841.099894] [] __mutex_lock_slowpath+0x13a/0x340 [ 841.102650] [] mutex_lock+0x2d/0x40 [ 841.104382] [] lock_rename+0x31/0xe0 [ 841.107385] [] SYSC_renameat2+0x22f/0x570 [ 841.109183] [] ? handle_mm_fault+0xc2/0x150 [ 841.111528] [] SyS_renameat2+0xe/0x10 [ 841.113252] [] SyS_rename+0x1e/0x20 [ 841.116173] [] system_call_fastpath+0x1f/0x24 [ 1031.437920] Lustre: lustre-OST0000-osc-ffff8800b5c9a000: disconnect after 21s idle [ 1031.448133] Lustre: Skipped 1 previous similar message [ 1492.205991] Lustre: lustre-OST0000-osc-ffff8800a9cc3800: disconnect after 23s idle [ 1502.240413] Lustre: lustre-OST0001-osc-ffff8800b5c9a000: 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 Possible hang Run 'hanginfo' to get more details ------------------------------------------------------------------------------ ** Execution took 11.80s (real) 5.86s (CPU), Child processes: 5.88s