************************ crashinfo ************************* /exports/testreports/38859/testresults/racer-special3-zfs-DNE-centos7_x86_64-centos7_x86_64/oleg425-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.mxLh0/vmlinux [TAINTED] DUMPFILE: /exports/testreports/38859/testresults/racer-special3-zfs-DNE-centos7_x86_64-centos7_x86_64/oleg425-client-timeout-core [PARTIAL DUMP] CPUS: 4 DATE: Fri Jan 19 13:00:43 EST 2024 UPTIME: 01:07:00 LOAD AVERAGE: 14.00, 14.01, 16.43 TASKS: 172 NODENAME: oleg425-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 15 last 5s 28 last 60s 38 ----- Total Numbers of Threads per State ------ TASK_INTERRUPTIBLE 154 TASK_RUNNING 1 TASK_UNINTERRUPTIBLE 14 +++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) 28 watchdog/3 0 ms (no user stack) 871 in:imjournal 0 ms /usr/sbin/rsyslogd -n 1 systemd 5 ms /usr/lib/systemd/systemd --switched-root --system --deserialize 22 1847 socknal_reaper 24 ms (no user stack) +------------------------+ >-------------------------| Memory Usage (kmem -i) |-------------------------< +------------------------+ PAGES TOTAL PERCENTAGE TOTAL MEM 955079 3.6 GB ---- FREE 787813 3 GB 82% of TOTAL MEM USED 167266 653.4 MB 17% of TOTAL MEM SHARED 13993 54.7 MB 1% of TOTAL MEM BUFFERS 5146 20.1 MB 0% of TOTAL MEM CACHED 51852 202.5 MB 5% of TOTAL MEM SLAB 70152 274 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 66530 259.9 MB 8% of TOTAL LIMIT +++three oldest UNINTERRUPTIBLE threads ... ran 3594s ago PID=25772 CPU=0 CMD=touch #0 __schedule+0x2e2 #1 schedule_preempt_disabled+0x39 #2 __mutex_lock_slowpath+0x13a #3 mutex_lock+0x2d #4 do_last+0x296 #5 path_openat+0xcd #6 do_filp_open+0x4d #7 do_sys_open+0x124 #8 sys_open+0x1e #9 system_call_fastpath+0x1f, 477 bytes of data ... ran 3594s ago PID=25514 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 3595s ago PID=25464 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 4018.5 eth0 n/a 1.7 RSS_TOTAL=89368 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 / ffff880137652380 ffff880137668800 sysfs sysfs /sys ffff880137652540 ffff880139944000 proc proc /proc ffff880137652700 ffff880137668000 devtmpfs devtmpfs /dev ffff8801376528c0 ffff88012aa90000 securityfs securityfs /sys/kernel/security ffff880137652a80 ffff880137669000 tmpfs tmpfs /dev/shm ffff880137652c40 ffff880137315000 devpts devpts /dev/pts ffff880137652e00 ffff880137669800 tmpfs tmpfs /run ffff880137652fc0 ffff88013766a000 tmpfs tmpfs /sys/fs/cgroup ffff880137653180 ffff88013766a800 cgroup cgroup /sys/fs/cgroup/systemd ffff880137653340 ffff88013766b000 pstore pstore /sys/fs/pstore ffff880137653500 ffff88013766d000 cgroup cgroup /sys/fs/cgroup/memory ffff8801376536c0 ffff88013766c800 cgroup cgroup /sys/fs/cgroup/blkio ffff880137653880 ffff88013766c000 cgroup cgroup /sys/fs/cgroup/cpu,cpuacct ffff880137653a40 ffff88013766b800 cgroup cgroup /sys/fs/cgroup/net_cls,net_prio ffff880137653c00 ffff88013766d800 cgroup cgroup /sys/fs/cgroup/hugetlb ffff880137653dc0 ffff88013766e000 cgroup cgroup /sys/fs/cgroup/freezer ffff88012aa20000 ffff88013766e800 cgroup cgroup /sys/fs/cgroup/perf_event ffff88012aa201c0 ffff88013766f000 cgroup cgroup /sys/fs/cgroup/cpuset ffff88012aa20380 ffff88013766f800 cgroup cgroup /sys/fs/cgroup/devices ffff88012aa20540 ffff88012aa18000 cgroup cgroup /sys/fs/cgroup/pids ffff8801377de1c0 ffff8800b6d15800 configfs configfs /sys/kernel/config ffff88012aa241c0 ffff88012aa94000 ext4 /dev/nbd0 / ffff88012aa24380 ffff88012aa1a000 rpc_pipefs rpc_pipefs /var/lib/nfs/rpc_pipefs ffff88012aa24540 ffff88012aa91800 autofs systemd-1 /proc/sys/fs/binfmt_misc ffff88012aa24700 ffff880139947800 debugfs debugfs /sys/kernel/debug ffff88012aa248c0 ffff88012aa97000 hugetlbfs hugetlbfs /dev/hugepages ffff88012aa20700 ffff880137316000 mqueue mqueue /dev/mqueue ffff88012aa24a80 ffff88012aa93000 binfmt_misc binfmt_misc /proc/sys/fs/binfmt_misc/ ffff88012aa24c40 ffff8800b67f0800 ramfs none /mnt ffff8801377de8c0 ffff8800b580e800 tmpfs none /var/lib/stateless/writable ffff88012aa24e00 ffff8800b67f2800 squashfs /dev/vda /home/green/git/lustre-release ffff88012aa20a80 ffff8800b580e800 tmpfs none /var/cache/man ffff88012aa24fc0 ffff8800b580e800 tmpfs none /var/log ffff88012aa20c40 ffff8800b580e800 tmpfs none /var/lib/dbus ffff88012aa20e00 ffff8800b580e800 tmpfs none /tmp ffff8801377dea80 ffff8800b580e800 tmpfs none /var/lib/dhclient ffff88012aa20fc0 ffff8800b580e800 tmpfs none /var/tmp ffff88012aa25180 ffff8800b580e800 tmpfs none /var/lib/NetworkManager ffff8801377dec40 ffff8800b580e800 tmpfs none /var/lib/systemd/random-seed ffff88012aa25340 ffff8800b580e800 tmpfs none /var/spool ffff88012aa21180 ffff8800b580e800 tmpfs none /var/lib/nfs ffff880138ccb6c0 ffff8800b580e800 tmpfs none /var/lib/gssproxy ffff88012aa21340 ffff8800b580e800 tmpfs none /var/lib/logrotate ffff88012aa21500 ffff8800b580e800 tmpfs none /etc ffff88012aa25500 ffff8800b580e800 tmpfs none /var/lib/rsyslog ffff88012aa216c0 ffff8800b580e800 tmpfs none /var/lib/dhclient/var/lib/dhclient ffff8801377dee00 ffff8800b64bf800 nfs4 192.168.200.253:/exports/state/oleg425-client.virtnet /var/lib/stateless/state ffff88012aa256c0 ffff8800b64bf800 nfs4 192.168.200.253:/exports/state/oleg425-client.virtnet /boot ffff88012aa25880 ffff8800b64bf800 nfs4 192.168.200.253:/exports/state/oleg425-client.virtnet /etc/etc/kdump.conf ffff88012aa21880 ffff88012aa1a000 rpc_pipefs sunrpc /var/lib/nfs/var/lib/nfs/rpc_pipefs ffff88012d4b2c40 ffff8800b5af6800 nfs4 192.168.200.253://exports/testreports/38859/testresults/racer-special3-zfs-DNE-centos7_x86_64-centos7_x86_64 /tmp/tmp/testlogs ffff8801377df340 ffff8800b5af3000 tmpfs tmpfs /run/user/0 ffff88012d4b2e00 ffff8800b67f2800 squashfs /dev/vda /usr/sbin/mount.lustre ffff880138ccb880 ffff8800b6d51800 lustre 192.168.204.125@tcp:/lustre /mnt/lustre ffff880138ccbc00 ffff8800aadf2000 lustre 192.168.204.125@tcp:/lustre /mnt/lustre2 +-------------------------------+ >----------------------| Last 40 lines of dmesg buffer |----------------------< +-------------------------------+ [ 601.213063] [] SyS_renameat2+0xe/0x10 [ 601.215021] [] SyS_rename+0x1e/0x20 [ 601.217040] [] system_call_fastpath+0x1f/0x24 [ 601.220320] [] ? system_call_after_swapgs+0xa2/0x13a [ 601.223102] INFO: task mrename:25989 blocked for more than 120 seconds. [ 601.226266] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 601.229524] mrename D ffff8800aa038d80 12648 25989 21858 0x00000000 [ 601.232730] Call Trace: [ 601.233627] [] schedule_preempt_disabled+0x39/0x90 [ 601.235978] [] __mutex_lock_slowpath+0x13a/0x340 [ 601.238533] [] mutex_lock+0x2d/0x40 [ 601.240686] [] lock_rename+0x31/0xe0 [ 601.243476] [] SYSC_renameat2+0x22f/0x570 [ 601.245568] [] ? handle_mm_fault+0xc2/0x150 [ 601.248004] [] ? system_call_after_swapgs+0xa2/0x13a [ 601.250528] [] ? system_call_after_swapgs+0x96/0x13a [ 601.253217] [] ? system_call_after_swapgs+0xa2/0x13a [ 601.255723] [] ? system_call_after_swapgs+0x96/0x13a [ 601.259998] [] SyS_renameat2+0xe/0x10 [ 601.262298] [] SyS_rename+0x1e/0x20 [ 601.264395] [] system_call_fastpath+0x1f/0x24 [ 601.267548] [] ? system_call_after_swapgs+0xa2/0x13a [ 601.270794] INFO: task mrename:26015 blocked for more than 120 seconds. [ 601.273962] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 601.277215] mrename D ffff88009e37b928 12624 26015 21932 0x00000000 [ 601.279212] Call Trace: [ 601.279983] [] schedule_preempt_disabled+0x39/0x90 [ 601.282276] [] __mutex_lock_slowpath+0x13a/0x340 [ 601.284463] [] mutex_lock+0x2d/0x40 [ 601.286985] [] lock_rename+0x31/0xe0 [ 601.289544] [] SYSC_renameat2+0x22f/0x570 [ 601.292278] [] ? handle_mm_fault+0xc2/0x150 [ 601.294935] [] ? system_call_after_swapgs+0xa2/0x13a [ 601.299191] [] ? system_call_after_swapgs+0x96/0x13a [ 601.301467] [] ? system_call_after_swapgs+0xa2/0x13a [ 601.304330] [] ? system_call_after_swapgs+0x96/0x13a [ 601.306337] [] SyS_renameat2+0xe/0x10 [ 601.308890] [] SyS_rename+0x1e/0x20 [ 601.311067] [] system_call_fastpath+0x1f/0x24 [ 601.313964] [] ? system_call_after_swapgs+0xa2/0x13a ****************************************************************************** ************************ 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 11.43s (real) 5.78s (CPU), Child processes: 5.59s