************************ crashinfo ************************* /exports/testreports/44684/testresults/racer-ldiskfs-DNE-centos7_x86_64-centos7_x86_64/oleg115-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.nVEHf/vmlinux [TAINTED] DUMPFILE: /exports/testreports/44684/testresults/racer-ldiskfs-DNE-centos7_x86_64-centos7_x86_64/oleg115-client-timeout-core [PARTIAL DUMP] CPUS: 4 DATE: Sun Aug 4 14:25:21 EDT 2024 UPTIME: 00:17:02 LOAD AVERAGE: 12.25, 52.20, 70.70 TASKS: 173 NODENAME: oleg115-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 +++WARNING+++ High Load Averages: 12.25, 52.20, 70.70 +---------------+ >------------------------------| Tasks Summary |------------------------------< +---------------+ Number of Threads That Ran Recently ----------------------------------- last second 14 last 5s 32 last 60s 38 ----- Total Numbers of Threads per State ------ TASK_INTERRUPTIBLE 157 TASK_RUNNING 1 TASK_UNINTERRUPTIBLE 12 +++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 ----- -------------- ------ ---------------------------- 49 kworker/2:1 0 ms (no user stack) 1994 socknal_reaper 0 ms (no user stack) 1 systemd 0 ms /usr/lib/systemd/systemd --switched-root --system --deserialize 22 5391 ldlm_bl_01 99 ms (no user stack) 46 kworker/0:1 179 ms (no user stack) +------------------------+ >-------------------------| Memory Usage (kmem -i) |-------------------------< +------------------------+ PAGES TOTAL PERCENTAGE TOTAL MEM 955079 3.6 GB ---- FREE 643638 2.5 GB 67% of TOTAL MEM USED 311441 1.2 GB 32% of TOTAL MEM SHARED 16864 65.9 MB 1% of TOTAL MEM BUFFERS 5160 20.2 MB 0% of TOTAL MEM CACHED 53262 208.1 MB 5% of TOTAL MEM SLAB 193273 755 MB 20% 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 64470 251.8 MB 8% of TOTAL LIMIT +++three oldest UNINTERRUPTIBLE threads ... ran 480s ago PID=16618 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 ... ran 481s ago PID=16389 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 481s ago PID=16479 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 1020.3 eth0 n/a 0.2 RSS_TOTAL=89300 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 / ffff88012aa5c000 ffff88012aac0000 sysfs sysfs /sys ffff88012aa5c1c0 ffff880139944000 proc proc /proc ffff88012aa5c380 ffff880137678000 devtmpfs devtmpfs /dev ffff88012aa5c540 ffff8800b6d02000 securityfs securityfs /sys/kernel/security ffff88012aa5c700 ffff88012aac0800 tmpfs tmpfs /dev/shm ffff88012aa5c8c0 ffff88013710a800 devpts devpts /dev/pts ffff88012aa5ca80 ffff88012aac1000 tmpfs tmpfs /run ffff88012aa5cc40 ffff88012aac1800 tmpfs tmpfs /sys/fs/cgroup ffff88012aa5ce00 ffff88012aac2000 cgroup cgroup /sys/fs/cgroup/systemd ffff88012aa5cfc0 ffff88012aac2800 pstore pstore /sys/fs/pstore ffff88012aa5d180 ffff88012aac4800 cgroup cgroup /sys/fs/cgroup/hugetlb ffff88012aa5d340 ffff88012aac4000 cgroup cgroup /sys/fs/cgroup/net_cls,net_prio ffff88012aa5d500 ffff88012aac3800 cgroup cgroup /sys/fs/cgroup/cpu,cpuacct ffff88012aa5d6c0 ffff88012aac3000 cgroup cgroup /sys/fs/cgroup/memory ffff88012aa5d880 ffff88012aac5000 cgroup cgroup /sys/fs/cgroup/devices ffff88012aa5da40 ffff88012aac5800 cgroup cgroup /sys/fs/cgroup/blkio ffff88012aa5dc00 ffff88012aac6000 cgroup cgroup /sys/fs/cgroup/pids ffff88012aa5ddc0 ffff88012aac6800 cgroup cgroup /sys/fs/cgroup/cpuset ffff88012aa5e000 ffff88012aac7000 cgroup cgroup /sys/fs/cgroup/freezer ffff88012aa5e1c0 ffff88012aac7800 cgroup cgroup /sys/fs/cgroup/perf_event ffff8800b6e18000 ffff8801372f6800 configfs configfs /sys/kernel/config ffff88012aa5e700 ffff8800b7b34800 ext4 /dev/nbd0 / ffff88012aa5e8c0 ffff8800b7b32000 rpc_pipefs rpc_pipefs /var/lib/nfs/rpc_pipefs ffff88012aa5ea80 ffff88012a564000 autofs systemd-1 /proc/sys/fs/binfmt_misc ffff8800b6e181c0 ffff880139947800 debugfs debugfs /sys/kernel/debug ffff88012aa5ec40 ffff88012a562800 hugetlbfs hugetlbfs /dev/hugepages ffff8800b633cfc0 ffff88013710c000 mqueue mqueue /dev/mqueue ffff880137668540 ffff88012aba0800 binfmt_misc binfmt_misc /proc/sys/fs/binfmt_misc/ ffff88012aa5ee00 ffff88012a563000 ramfs none /mnt ffff88012aa5efc0 ffff88012e162800 tmpfs none /var/lib/stateless/writable ffff88012aa5f180 ffff8800b6d56800 squashfs /dev/vda /home/green/git/lustre-release ffff880137668700 ffff88012e162800 tmpfs none /var/cache/man ffff8801376688c0 ffff88012e162800 tmpfs none /var/log ffff880137668a80 ffff88012e162800 tmpfs none /var/lib/dbus ffff880137668c40 ffff88012e162800 tmpfs none /tmp ffff880137668e00 ffff88012e162800 tmpfs none /var/lib/dhclient ffff880137668fc0 ffff88012e162800 tmpfs none /var/tmp ffff880137669180 ffff88012e162800 tmpfs none /var/lib/NetworkManager ffff88012aa5f340 ffff88012e162800 tmpfs none /var/lib/systemd/random-seed ffff880137669340 ffff88012e162800 tmpfs none /var/spool ffff880137669500 ffff88012e162800 tmpfs none /var/lib/nfs ffff8801376696c0 ffff88012e162800 tmpfs none /var/lib/gssproxy ffff880137669880 ffff88012e162800 tmpfs none /var/lib/logrotate ffff880137669a40 ffff88012e162800 tmpfs none /etc ffff880137669c00 ffff88012e162800 tmpfs none /var/lib/rsyslog ffff880137669dc0 ffff88012e162800 tmpfs none /var/lib/dhclient/var/lib/dhclient ffff88012aa5f500 ffff8800b6d50800 nfs4 192.168.200.253:/exports/state/oleg115-client.virtnet /var/lib/stateless/state ffff88012aa5fc00 ffff8800b6d50800 nfs4 192.168.200.253:/exports/state/oleg115-client.virtnet /boot ffff88012abc6000 ffff8800b6d50800 nfs4 192.168.200.253:/exports/state/oleg115-client.virtnet /etc/etc/kdump.conf ffff88012aa5fdc0 ffff8800b7b32000 rpc_pipefs sunrpc /var/lib/nfs/var/lib/nfs/rpc_pipefs ffff8800b5b628c0 ffff8800b3e8b800 nfs4 192.168.200.253://exports/testreports/44684/testresults/racer-ldiskfs-DNE-centos7_x86_64-centos7_x86_64 /tmp/tmp/testlogs ffff88012e2aa380 ffff88012e164800 tmpfs tmpfs /run/user/0 ffff8800b5b62e00 ffff8800b6d56800 squashfs /dev/vda /usr/sbin/mount.lustre ffff8800b633c380 ffff88012aba4800 lustre 192.168.201.115@tcp:/lustre /mnt/lustre ffff88012e2aaa80 ffff8800a997d000 lustre 192.168.201.115@tcp:/lustre /mnt/lustre2 +-------------------------------+ >----------------------| Last 40 lines of dmesg buffer |----------------------< +-------------------------------+ [ 720.755750] [] system_call_fastpath+0x1f/0x24 [ 720.757053] INFO: task mrename:16816 blocked for more than 120 seconds. [ 720.760450] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 720.765604] mrename D ffff8800810a1708 12640 16816 29801 0x00000000 [ 720.770242] Call Trace: [ 720.771181] [] schedule_preempt_disabled+0x39/0x90 [ 720.773822] [] __mutex_lock_slowpath+0x13a/0x340 [ 720.774948] [] mutex_lock+0x2d/0x40 [ 720.776365] [] lock_rename+0x31/0xe0 [ 720.777660] [] SYSC_renameat2+0x22f/0x570 [ 720.778630] [] ? handle_mm_fault+0xc2/0x150 [ 720.780011] [] SyS_renameat2+0xe/0x10 [ 720.781149] [] SyS_rename+0x1e/0x20 [ 720.782237] [] system_call_fastpath+0x1f/0x24 [ 720.783331] INFO: task mrename:16883 blocked for more than 120 seconds. [ 720.784585] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 720.785952] mrename D ffff8800a9b74440 11800 16883 29802 0x00000000 [ 720.787202] Call Trace: [ 720.787797] [] schedule_preempt_disabled+0x39/0x90 [ 720.788972] [] __mutex_lock_slowpath+0x13a/0x340 [ 720.790036] [] mutex_lock+0x2d/0x40 [ 720.791089] [] lock_rename+0x31/0xe0 [ 720.792041] [] SYSC_renameat2+0x22f/0x570 [ 720.793174] [] ? handle_mm_fault+0xc2/0x150 [ 720.794297] [] SyS_renameat2+0xe/0x10 [ 720.795454] [] SyS_rename+0x1e/0x20 [ 720.796495] [] system_call_fastpath+0x1f/0x24 [ 720.797676] INFO: task mrename:16964 blocked for more than 120 seconds. [ 720.798980] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 720.800548] mrename D ffff8800a47f72c0 11576 16964 29721 0x00000000 [ 720.801841] Call Trace: [ 720.802252] [] schedule_preempt_disabled+0x39/0x90 [ 720.803357] [] __mutex_lock_slowpath+0x13a/0x340 [ 720.804609] [] mutex_lock+0x2d/0x40 [ 720.805998] [] lock_rename+0x31/0xe0 [ 720.807914] [] SYSC_renameat2+0x22f/0x570 [ 720.810436] [] ? handle_mm_fault+0xc2/0x150 [ 720.812942] [] SyS_renameat2+0xe/0x10 [ 720.814744] [] SyS_rename+0x1e/0x20 [ 720.815935] [] 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: 12.25, 52.20, 70.70 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 10.99s (real) 5.42s (CPU), Child processes: 5.54s