************************ crashinfo ************************* /exports/testreports/46994/testresults/racer-ldiskfs-DNE-centos7_x86_64-centos7_x86_64/oleg243-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.2MqiU/vmlinux [TAINTED] DUMPFILE: /exports/testreports/46994/testresults/racer-ldiskfs-DNE-centos7_x86_64-centos7_x86_64/oleg243-client-timeout-core [PARTIAL DUMP] CPUS: 4 DATE: Tue Nov 5 05:45:41 EST 2024 UPTIME: 00:31:26 LOAD AVERAGE: 23.00, 25.69, 46.22 TASKS: 185 NODENAME: oleg243-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 +---------------+ >------------------------------| Tasks Summary |------------------------------< +---------------+ Number of Threads That Ran Recently ----------------------------------- last second 11 last 5s 29 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 ----- -------------- ------ ---------------------------- 20 rcuos/1 0 ms (no user stack) 28 watchdog/3 0 ms (no user stack) 945 in:imjournal 0 ms /usr/sbin/rsyslogd -n 1 systemd 5 ms /usr/lib/systemd/systemd --switched-root --system --deserialize 22 1152 sshd 38 ms sshd: root@pts/0 +------------------------+ >-------------------------| Memory Usage (kmem -i) |-------------------------< +------------------------+ PAGES TOTAL PERCENTAGE TOTAL MEM 955079 3.6 GB ---- FREE 730213 2.8 GB 76% of TOTAL MEM USED 224866 878.4 MB 23% of TOTAL MEM SHARED 9985 39 MB 1% of TOTAL MEM BUFFERS 5162 20.2 MB 0% of TOTAL MEM CACHED 46269 180.7 MB 4% of TOTAL MEM SLAB 95578 373.4 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 65940 257.6 MB 8% of TOTAL LIMIT +++three oldest UNINTERRUPTIBLE threads ... ran 1128s ago PID=11597 CPU=1 CMD=mrename #0 __schedule+0x2e2 #1 schedule_preempt_disabled+0x39 #2 __mutex_lock_slowpath+0x13a #3 mutex_lock+0x2d #4 lock_rename+0xda #5 SYSC_renameat2+0x22f #6 sys_renameat2+0xe #7 sys_rename+0x1e #8 system_call_fastpath+0x1f, 477 bytes of data ... ran 1128s ago PID=11643 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 1128s ago PID=11610 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 1882.8 eth0 n/a 0.0 RSS_TOTAL=99328 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 / ffff88012aaac000 ffff8800b6d0c800 sysfs sysfs /sys ffff88012aaac1c0 ffff880139944000 proc proc /proc ffff88012aaac380 ffff880137678000 devtmpfs devtmpfs /dev ffff88012aaac540 ffff88012aa0f000 securityfs securityfs /sys/kernel/security ffff88012aaac700 ffff8800b6d0d000 tmpfs tmpfs /dev/shm ffff88012aaac8c0 ffff88013701a800 devpts devpts /dev/pts ffff88012aaaca80 ffff8800b6d0d800 tmpfs tmpfs /run ffff88012aaacc40 ffff8800b6d0e000 tmpfs tmpfs /sys/fs/cgroup ffff88012aaace00 ffff8800b6d0e800 cgroup cgroup /sys/fs/cgroup/systemd ffff88012aaacfc0 ffff8800b6d0f000 pstore pstore /sys/fs/pstore ffff88012aaad180 ffff88012aac1000 cgroup cgroup /sys/fs/cgroup/hugetlb ffff88012aaad340 ffff88012aac0800 cgroup cgroup /sys/fs/cgroup/pids ffff88012aaad500 ffff88012aac0000 cgroup cgroup /sys/fs/cgroup/devices ffff88012aaad6c0 ffff88012aac1800 cgroup cgroup /sys/fs/cgroup/net_cls,net_prio ffff88012aaad880 ffff88012aac2000 cgroup cgroup /sys/fs/cgroup/cpu,cpuacct ffff88012aaada40 ffff88012aac2800 cgroup cgroup /sys/fs/cgroup/perf_event ffff88012aaadc00 ffff88012aac3000 cgroup cgroup /sys/fs/cgroup/cpuset ffff88012aaaddc0 ffff88012aac3800 cgroup cgroup /sys/fs/cgroup/freezer ffff88012aad4000 ffff88012aac4000 cgroup cgroup /sys/fs/cgroup/blkio ffff88012aad41c0 ffff88012aac4800 cgroup cgroup /sys/fs/cgroup/memory ffff8801370b0380 ffff88012abc5800 configfs configfs /sys/kernel/config ffff88012aad4540 ffff88012b38f800 ext4 /dev/nbd0 / ffff880138ccb180 ffff88012aac6800 rpc_pipefs rpc_pipefs /var/lib/nfs/rpc_pipefs ffff88012aad4700 ffff8800b6ecc000 autofs systemd-1 /proc/sys/fs/binfmt_misc ffff880138ccac40 ffff88013701c000 mqueue mqueue /dev/mqueue ffff880137668c40 ffff8800b58de800 hugetlbfs hugetlbfs /dev/hugepages ffff880137668e00 ffff880139947800 debugfs debugfs /sys/kernel/debug ffff8801370b1c00 ffff88012abc7800 binfmt_misc binfmt_misc /proc/sys/fs/binfmt_misc/ ffff880137668fc0 ffff8800b58d9800 ramfs none /mnt ffff880138ccb500 ffff88012aab8800 tmpfs none /var/lib/stateless/writable ffff880137669180 ffff8800b58df000 squashfs /dev/vda /home/green/git/lustre-release ffff88012aad48c0 ffff88012aab8800 tmpfs none /var/cache/man ffff880137669340 ffff88012aab8800 tmpfs none /var/log ffff880137669500 ffff88012aab8800 tmpfs none /var/lib/dbus ffff880138ccb6c0 ffff88012aab8800 tmpfs none /tmp ffff880138ccb880 ffff88012aab8800 tmpfs none /var/lib/dhclient ffff88012aad4a80 ffff88012aab8800 tmpfs none /var/tmp ffff88012aad4c40 ffff88012aab8800 tmpfs none /var/lib/NetworkManager ffff8801376696c0 ffff88012aab8800 tmpfs none /var/lib/systemd/random-seed ffff8801370b1dc0 ffff88012aab8800 tmpfs none /var/spool ffff88012aad4e00 ffff88012aab8800 tmpfs none /var/lib/nfs ffff8800b60b2000 ffff88012aab8800 tmpfs none /var/lib/gssproxy ffff880137669880 ffff88012aab8800 tmpfs none /var/lib/logrotate ffff880138ccba40 ffff88012aab8800 tmpfs none /etc ffff880138ccbc00 ffff88012aab8800 tmpfs none /var/lib/rsyslog ffff880138ccbdc0 ffff88012aab8800 tmpfs none /var/lib/dhclient/var/lib/dhclient ffff88012aad4fc0 ffff8800b596b000 nfs4 192.168.200.253:/exports/state/oleg243-client.virtnet /var/lib/stateless/state ffff880137669a40 ffff8800b596b000 nfs4 192.168.200.253:/exports/state/oleg243-client.virtnet /boot ffff88012aad5340 ffff8800b596b000 nfs4 192.168.200.253:/exports/state/oleg243-client.virtnet /etc/etc/kdump.conf ffff88012aad5180 ffff88012aac6800 rpc_pipefs sunrpc /var/lib/nfs/var/lib/nfs/rpc_pipefs ffff8801370b0fc0 ffff88012a502800 nfs4 192.168.200.253://exports/testreports/46994/testresults/racer-ldiskfs-DNE-centos7_x86_64-centos7_x86_64 /tmp/tmp/testlogs ffff8800b60b2a80 ffff88012a507000 tmpfs tmpfs /run/user/0 ffff880136a74a80 ffff8800b58df000 squashfs /dev/vda /usr/sbin/mount.lustre ffff8801370b0e00 ffff88012a540000 lustre 192.168.202.143@tcp:/lustre /mnt/lustre ffff880136a75500 ffff8800aa6d9800 lustre 192.168.202.143@tcp:/lustre /mnt/lustre2 +-------------------------------+ >----------------------| Last 40 lines of dmesg buffer |----------------------< +-------------------------------+ [ 960.851543] [] __mutex_lock_slowpath+0x13a/0x340 [ 960.853366] [] mutex_lock+0x2d/0x40 [ 960.854644] [] lock_rename+0x31/0xe0 [ 960.856165] [] SYSC_renameat2+0x22f/0x570 [ 960.857431] [] ? handle_mm_fault+0xc2/0x150 [ 960.859445] [] SyS_renameat2+0xe/0x10 [ 960.861133] [] SyS_rename+0x1e/0x20 [ 960.862715] [] system_call_fastpath+0x1f/0x24 [ 960.864529] INFO: task mkdir:11858 blocked for more than 120 seconds. [ 960.866611] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 960.869307] mkdir D ffff8800aa7fe660 12232 11858 1 0x00000004 [ 960.871635] Call Trace: [ 960.872401] [] schedule_preempt_disabled+0x39/0x90 [ 960.874397] [] __mutex_lock_slowpath+0x13a/0x340 [ 960.876596] [] mutex_lock+0x2d/0x40 [ 960.878162] [] filename_create+0x85/0x180 [ 960.880267] [] ? kmem_cache_alloc+0x11b/0x2e0 [ 960.882077] [] ? getname_flags+0xc4/0x1a0 [ 960.884534] [] user_path_create+0x41/0x60 [ 960.886773] [] SyS_mkdirat+0x46/0xe0 [ 960.888238] [] ? path_put+0x1e/0x30 [ 960.889861] [] SyS_mkdir+0x19/0x20 [ 960.891955] [] system_call_fastpath+0x1f/0x24 [ 960.894008] INFO: task mrename:11965 blocked for more than 120 seconds. [ 960.896726] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 960.899443] mrename D ffff88012ab51440 12640 11965 1 0x00000004 [ 960.902247] Call Trace: [ 960.903102] [] schedule_preempt_disabled+0x39/0x90 [ 960.905148] [] __mutex_lock_slowpath+0x13a/0x340 [ 960.907103] [] mutex_lock+0x2d/0x40 [ 960.908900] [] lock_rename+0x31/0xe0 [ 960.910678] [] SYSC_renameat2+0x22f/0x570 [ 960.912832] [] ? handle_mm_fault+0xc2/0x150 [ 960.914872] [] SyS_renameat2+0xe/0x10 [ 960.916704] [] SyS_rename+0x1e/0x20 [ 960.918541] [] system_call_fastpath+0x1f/0x24 [ 1433.331683] Lustre: lustre-OST0000-osc-ffff8800aa6d9800: disconnect after 22s idle [ 1433.335219] Lustre: Skipped 1 previous similar message [ 1448.371816] Lustre: lustre-OST0000-osc-ffff88012a540000: disconnect after 23s idle [ 1448.376701] Lustre: Skipped 1 previous similar message ****************************************************************************** ************************ 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 10.84s (real) 5.47s (CPU), Child processes: 5.33s