************************ crashinfo ************************* /exports/testreports/50597/testresults/racer-ldiskfs-DNE-centos7_x86_64-centos7_x86_64/oleg437-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.981fi/vmlinux [TAINTED] DUMPFILE: /exports/testreports/50597/testresults/racer-ldiskfs-DNE-centos7_x86_64-centos7_x86_64/oleg437-client-timeout-core [PARTIAL DUMP] CPUS: 4 DATE: Tue Apr 8 15:43:46 EDT 2025 UPTIME: 00:17:01 LOAD AVERAGE: 23.69, 63.87, 77.56 TASKS: 185 NODENAME: oleg437-client.virtnet RELEASE: 3.10.0-7.9-debug VERSION: #1 SMP Sat Mar 26 23:28:42 EDT 2022 MACHINE: x86_64 (2400 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 +++WARNING+++ High Load Averages: 23.69, 63.87, 77.56 +---------------+ >------------------------------| Tasks Summary |------------------------------< +---------------+ Number of Threads That Ran Recently ----------------------------------- last second 19 last 5s 33 last 60s 40 ----- Total Numbers of Threads per State ------ TASK_INTERRUPTIBLE 158 TASK_RUNNING 1 TASK_UNINTERRUPTIBLE 23 +++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 ----- -------------- ------ ---------------------------- 2006 lnet_discovery 0 ms (no user stack) 1 systemd 0 ms /usr/lib/systemd/systemd --switched-root --system --deserialize 22 301 kworker/u8:4 22 ms (no user stack) 46 kworker/2:1 22 ms (no user stack) 911 in:imjournal 124 ms /usr/sbin/rsyslogd -n +------------------------+ >-------------------------| Memory Usage (kmem -i) |-------------------------< +------------------------+ PAGES TOTAL PERCENTAGE TOTAL MEM 955079 3.6 GB ---- FREE 682192 2.6 GB 71% of TOTAL MEM USED 272887 1 GB 28% of TOTAL MEM SHARED 10127 39.6 MB 1% of TOTAL MEM BUFFERS 5204 20.3 MB 0% of TOTAL MEM CACHED 46539 181.8 MB 4% of TOTAL MEM SLAB 136209 532.1 MB 14% 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 66459 259.6 MB 8% of TOTAL LIMIT +++three oldest UNINTERRUPTIBLE threads ... ran 464s ago PID=2319 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 464s ago PID=2280 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 464s ago PID=2297 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 1019.0 eth0 n/a 0.2 RSS_TOTAL=99924 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 / ffff88012aab0000 ffff880137318800 sysfs sysfs /sys ffff88012aab01c0 ffff880139944000 proc proc /proc ffff88012aab0380 ffff880137678000 devtmpfs devtmpfs /dev ffff88012aab0540 ffff8800b6cda000 securityfs securityfs /sys/kernel/security ffff88012aab0700 ffff880137319000 tmpfs tmpfs /dev/shm ffff88012aab08c0 ffff88013771f000 devpts devpts /dev/pts ffff88012aab0a80 ffff880137319800 tmpfs tmpfs /run ffff88012aab0c40 ffff88013731a000 tmpfs tmpfs /sys/fs/cgroup ffff88012aab0e00 ffff88013731a800 cgroup cgroup /sys/fs/cgroup/systemd ffff88012aab0fc0 ffff88013731b000 pstore pstore /sys/fs/pstore ffff88012aab1180 ffff88013731d000 cgroup cgroup /sys/fs/cgroup/cpu,cpuacct ffff88012aab1340 ffff88013731c800 cgroup cgroup /sys/fs/cgroup/net_cls,net_prio ffff88012aab1500 ffff88013731c000 cgroup cgroup /sys/fs/cgroup/hugetlb ffff88012aab16c0 ffff88013731b800 cgroup cgroup /sys/fs/cgroup/memory ffff88012aab1880 ffff88013731d800 cgroup cgroup /sys/fs/cgroup/devices ffff88012aab1a40 ffff88013731e000 cgroup cgroup /sys/fs/cgroup/perf_event ffff88012aab1c00 ffff88013731e800 cgroup cgroup /sys/fs/cgroup/cpuset ffff88012aab1dc0 ffff88013731f000 cgroup cgroup /sys/fs/cgroup/blkio ffff88012ab16000 ffff88013731f800 cgroup cgroup /sys/fs/cgroup/freezer ffff88012ab161c0 ffff88012ab18000 cgroup cgroup /sys/fs/cgroup/pids ffff880138ccb6c0 ffff8800b6fe8000 configfs configfs /sys/kernel/config ffff880138ccb880 ffff8800b6fe8800 ext4 /dev/nbd0 / ffff880138ccba40 ffff88012b36f800 rpc_pipefs rpc_pipefs /var/lib/nfs/rpc_pipefs ffff88012ab16a80 ffff8800b585f800 autofs systemd-1 /proc/sys/fs/binfmt_misc ffff880137010700 ffff88012b278800 mqueue mqueue /dev/mqueue ffff880138ccbc00 ffff88012a5df800 hugetlbfs hugetlbfs /dev/hugepages ffff8801370108c0 ffff880139947800 debugfs debugfs /sys/kernel/debug ffff8801376696c0 ffff88012ab19000 binfmt_misc binfmt_misc /proc/sys/fs/binfmt_misc/ ffff880138ccb340 ffff88012a5da800 ramfs none /mnt ffff88012e1e4000 ffff88012a5d9000 tmpfs none /var/lib/stateless/writable ffff88012ab16c40 ffff8800b6363800 squashfs /dev/vda /home/green/git/lustre-release ffff88012ab16e00 ffff88012a5d9000 tmpfs none /var/cache/man ffff880137010a80 ffff88012a5d9000 tmpfs none /var/log ffff880137669a40 ffff88012a5d9000 tmpfs none /var/lib/dbus ffff880137669c00 ffff88012a5d9000 tmpfs none /tmp ffff88012ab16fc0 ffff88012a5d9000 tmpfs none /var/lib/dhclient ffff880137669dc0 ffff88012a5d9000 tmpfs none /var/tmp ffff88012ab17180 ffff88012a5d9000 tmpfs none /var/lib/NetworkManager ffff8800b5a90000 ffff88012a5d9000 tmpfs none /var/lib/systemd/random-seed ffff880137010c40 ffff88012a5d9000 tmpfs none /var/spool ffff8800b5a901c0 ffff88012a5d9000 tmpfs none /var/lib/nfs ffff88012e1e41c0 ffff88012a5d9000 tmpfs none /var/lib/gssproxy ffff8800b5a90380 ffff88012a5d9000 tmpfs none /var/lib/logrotate ffff8800b5a90540 ffff88012a5d9000 tmpfs none /etc ffff88012e1e4380 ffff88012a5d9000 tmpfs none /var/lib/rsyslog ffff8800b5a90700 ffff88012a5d9000 tmpfs none /var/lib/dhclient/var/lib/dhclient ffff88012e1e4540 ffff8800b6fe9800 nfs4 192.168.200.253:/exports/state/oleg437-client.virtnet /var/lib/stateless/state ffff88012ab17340 ffff8800b6fe9800 nfs4 192.168.200.253:/exports/state/oleg437-client.virtnet /boot ffff88012ab17500 ffff8800b6fe9800 nfs4 192.168.200.253:/exports/state/oleg437-client.virtnet /etc/etc/kdump.conf ffff880137011180 ffff88012b36f800 rpc_pipefs sunrpc /var/lib/nfs/var/lib/nfs/rpc_pipefs ffff8800b34b0700 ffff88012a643800 nfs4 192.168.200.253://exports/testreports/50597/testresults/racer-ldiskfs-DNE-centos7_x86_64-centos7_x86_64 /tmp/tmp/testlogs ffff8800b34a1dc0 ffff8800b3498800 tmpfs tmpfs /run/user/0 ffff8800b34b0c40 ffff8800b6363800 squashfs /dev/vda /usr/sbin/mount.lustre ffff8800b34b0a80 ffff8800b5858800 lustre 192.168.204.137@tcp:/lustre /mnt/lustre ffff8800b5a90a80 ffff88012b816000 lustre 192.168.204.137@tcp:/lustre /mnt/lustre2 +-------------------------------+ >----------------------| Last 40 lines of dmesg buffer |----------------------< +-------------------------------+ [ 720.899607] [] SyS_renameat2+0xe/0x10 [ 720.901655] [] SyS_rename+0x1e/0x20 [ 720.904259] [] system_call_fastpath+0x1f/0x24 [ 720.908873] INFO: task lfs:2404 blocked for more than 120 seconds. [ 720.912454] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 720.917050] lfs D ffff8800896b6c00 11800 2404 12505 0x00000000 [ 720.921835] Call Trace: [ 720.924214] [] schedule_preempt_disabled+0x39/0x90 [ 720.927464] [] __mutex_lock_slowpath+0x13a/0x340 [ 720.931011] [] mutex_lock+0x2d/0x40 [ 720.933134] [] do_last+0x296/0x1280 [ 720.937207] [] ? link_path_walk+0x27e/0x8c0 [ 720.942586] [] path_openat+0xcd/0x5b0 [ 720.946438] [] ? __handle_mm_fault+0x31d/0x720 [ 720.949021] [] do_filp_open+0x4d/0xb0 [ 720.951467] [] ? do_raw_spin_unlock+0x49/0x90 [ 720.954586] [] ? _raw_spin_unlock+0xe/0x20 [ 720.957968] [] ? __alloc_fd+0xc3/0x170 [ 720.961538] [] do_sys_open+0x124/0x220 [ 720.964080] [] SyS_open+0x1e/0x20 [ 720.965593] [] system_call_fastpath+0x1f/0x24 [ 720.967816] INFO: task lfs:2452 blocked for more than 120 seconds. [ 720.969781] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 720.973789] lfs D ffff88012aa42f40 12552 2452 12521 0x00000000 [ 720.977842] Call Trace: [ 720.979293] [] schedule_preempt_disabled+0x39/0x90 [ 720.983447] [] __mutex_lock_slowpath+0x13a/0x340 [ 720.987260] [] mutex_lock+0x2d/0x40 [ 720.989855] [] lookup_slow+0x33/0xa7 [ 720.992503] [] path_lookupat+0x89e/0x8d0 [ 720.995133] [] ? kmem_cache_alloc+0x11b/0x2e0 [ 720.998292] [] ? getname_flags+0x4f/0x1a0 [ 721.001202] [] filename_lookup+0x2b/0xc0 [ 721.003383] [] user_path_at_empty+0x67/0xc0 [ 721.006053] [] user_path_at+0x11/0x20 [ 721.007727] [] vfs_fstatat+0x63/0xc0 [ 721.009507] [] SYSC_newstat+0x2e/0x60 [ 721.011315] [] ? trace_do_page_fault+0x56/0x170 [ 721.013119] [] SyS_newstat+0xe/0x10 [ 721.014466] [] system_call_fastpath+0x1f/0x24 ****************************************************************************** ************************ A Summary Of Problems Found ************************* ****************************************************************************** -------------------- A list of all +++WARNING+++ messages -------------------- PARTIAL DUMP with size(vmcore) < 25% size(RAM) High Load Averages: 23.69, 63.87, 77.56 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 11.10s (real) 5.54s (CPU), Child processes: 5.52s