************************ crashinfo ************************* /exports/testreports/51484/testresults/racer-ldiskfs-DNE-centos7_x86_64-centos7_x86_64/oleg256-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.9Ao1a/vmlinux [TAINTED] DUMPFILE: /exports/testreports/51484/testresults/racer-ldiskfs-DNE-centos7_x86_64-centos7_x86_64/oleg256-client-timeout-core [PARTIAL DUMP] CPUS: 4 DATE: Wed May 7 10:03:01 EDT 2025 UPTIME: 00:18:41 LOAD AVERAGE: 24.05, 52.58, 74.51 TASKS: 185 NODENAME: oleg256-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: 24.05, 52.58, 74.51 +---------------+ >------------------------------| Tasks Summary |------------------------------< +---------------+ Number of Threads That Ran Recently ----------------------------------- last second 15 last 5s 29 last 60s 41 ----- Total Numbers of Threads per State ------ TASK_INTERRUPTIBLE 157 TASK_RUNNING 1 TASK_UNINTERRUPTIBLE 24 +++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 ----- -------------- ------ ---------------------------- 14209 ldlm_bl_06 0 ms (no user stack) 49 kworker/0:1 0 ms (no user stack) 46 kworker/2:1 0 ms (no user stack) 2001 lnet_discovery 208 ms (no user stack) 914 in:imjournal 240 ms /usr/sbin/rsyslogd -n +------------------------+ >-------------------------| Memory Usage (kmem -i) |-------------------------< +------------------------+ PAGES TOTAL PERCENTAGE TOTAL MEM 955079 3.6 GB ---- FREE 643434 2.5 GB 67% of TOTAL MEM USED 311645 1.2 GB 32% of TOTAL MEM SHARED 10084 39.4 MB 1% of TOTAL MEM BUFFERS 5210 20.4 MB 0% of TOTAL MEM CACHED 46530 181.8 MB 4% of TOTAL MEM SLAB 137086 535.5 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 66062 258.1 MB 8% of TOTAL LIMIT +++three oldest UNINTERRUPTIBLE threads ... ran 466s ago PID=20238 CPU=3 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 466s ago PID=20256 CPU=2 CMD=lfs #0 __schedule+0x2e2 #1 schedule_preempt_disabled+0x39 #2 __mutex_lock_slowpath+0x13a #3 mutex_lock+0x2d #4 lookup_slow+0x33 #5 path_lookupat+0x89e #6 filename_lookup+0x2b #7 user_path_at_empty+0x67 #8 user_path_at+0x11 #9 vfs_fstatat+0x63 #10 SYSC_newstat+0x2e #11 sys_newstat+0xe #12 system_call_fastpath+0x1f, 477 bytes of data ... ran 466s ago PID=20136 CPU=0 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 +-------------------------------+ >----------------------| 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 1119.4 eth0 n/a 0.4 RSS_TOTAL=98976 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 / ffff880137668700 ffff88013767c800 sysfs sysfs /sys ffff8801376688c0 ffff880139944000 proc proc /proc ffff880137668a80 ffff880137678000 devtmpfs devtmpfs /dev ffff880137668c40 ffff8800b6cea000 securityfs securityfs /sys/kernel/security ffff880137668e00 ffff88013767d000 tmpfs tmpfs /dev/shm ffff880137668fc0 ffff88013771f000 devpts devpts /dev/pts ffff880137669180 ffff88013767d800 tmpfs tmpfs /run ffff880137669340 ffff88013767e000 tmpfs tmpfs /sys/fs/cgroup ffff880137669500 ffff88013767e800 cgroup cgroup /sys/fs/cgroup/systemd ffff8801376696c0 ffff88013767f000 pstore pstore /sys/fs/pstore ffff880137669880 ffff88012aae9000 cgroup cgroup /sys/fs/cgroup/blkio ffff880137669a40 ffff88012aae8800 cgroup cgroup /sys/fs/cgroup/net_cls,net_prio ffff880137669c00 ffff88012aae8000 cgroup cgroup /sys/fs/cgroup/cpu,cpuacct ffff880137669dc0 ffff88012aae9800 cgroup cgroup /sys/fs/cgroup/pids ffff88012aada000 ffff88012aaea000 cgroup cgroup /sys/fs/cgroup/hugetlb ffff88012aada1c0 ffff88012aaea800 cgroup cgroup /sys/fs/cgroup/freezer ffff88012aada380 ffff88012aaeb000 cgroup cgroup /sys/fs/cgroup/cpuset ffff88012aada540 ffff88012aaeb800 cgroup cgroup /sys/fs/cgroup/memory ffff88012aada700 ffff88012aaec000 cgroup cgroup /sys/fs/cgroup/perf_event ffff88012aada8c0 ffff88012aaec800 cgroup cgroup /sys/fs/cgroup/devices ffff8801377f2540 ffff8800b6e0a800 configfs configfs /sys/kernel/config ffff880138ccb500 ffff88012a602800 ext4 /dev/nbd0 / ffff8800b6f1c000 ffff88012aaee800 rpc_pipefs rpc_pipefs /var/lib/nfs/rpc_pipefs ffff8800b6f1c700 ffff88012a46e000 autofs systemd-1 /proc/sys/fs/binfmt_misc ffff8800b6f1c8c0 ffff880139947800 debugfs debugfs /sys/kernel/debug ffff8801377f2700 ffff880137678800 mqueue mqueue /dev/mqueue ffff8800b6f1ca80 ffff88012a46e800 hugetlbfs hugetlbfs /dev/hugepages ffff8801377f28c0 ffff88012a600000 binfmt_misc binfmt_misc /proc/sys/fs/binfmt_misc/ ffff8801377f2c40 ffff880137304800 ramfs none /mnt ffff8800b6f1cc40 ffff8800b6e0b800 tmpfs none /var/lib/stateless/writable ffff88012aadaa80 ffff88012a468000 squashfs /dev/vda /home/green/git/lustre-release ffff8800b6f1ce00 ffff8800b6e0b800 tmpfs none /var/cache/man ffff8800b6f1cfc0 ffff8800b6e0b800 tmpfs none /var/log ffff88012b8be1c0 ffff8800b6e0b800 tmpfs none /var/lib/dbus ffff88012b8be380 ffff8800b6e0b800 tmpfs none /tmp ffff8801377f2e00 ffff8800b6e0b800 tmpfs none /var/lib/dhclient ffff88012b8be540 ffff8800b6e0b800 tmpfs none /var/tmp ffff8800b6f1d180 ffff8800b6e0b800 tmpfs none /var/lib/NetworkManager ffff880138ccb6c0 ffff8800b6e0b800 tmpfs none /var/lib/systemd/random-seed ffff88012b8be700 ffff8800b6e0b800 tmpfs none /var/spool ffff88012b8bea80 ffff8800b6e0b800 tmpfs none /var/lib/nfs ffff88012b8bec40 ffff8800b6e0b800 tmpfs none /var/lib/gssproxy ffff88012b8bee00 ffff8800b6e0b800 tmpfs none /var/lib/logrotate ffff8801377f2fc0 ffff8800b6e0b800 tmpfs none /etc ffff880138ccb880 ffff8800b6e0b800 tmpfs none /var/lib/rsyslog ffff880138ccba40 ffff8800b6e0b800 tmpfs none /var/lib/dhclient/var/lib/dhclient ffff8800b6f1d340 ffff88012a649000 nfs4 192.168.200.253:/exports/state/oleg256-client.virtnet /var/lib/stateless/state ffff88012b8befc0 ffff88012a649000 nfs4 192.168.200.253:/exports/state/oleg256-client.virtnet /boot ffff8800b6f1da40 ffff88012a649000 nfs4 192.168.200.253:/exports/state/oleg256-client.virtnet /etc/etc/kdump.conf ffff88012b8bf180 ffff88012aaee800 rpc_pipefs sunrpc /var/lib/nfs/var/lib/nfs/rpc_pipefs ffff88012a4df6c0 ffff8800b3a61800 nfs4 192.168.200.253://exports/testreports/51484/testresults/racer-ldiskfs-DNE-centos7_x86_64-centos7_x86_64 /tmp/tmp/testlogs ffff88012a4dfc00 ffff8800b3bc3000 tmpfs tmpfs /run/user/0 ffff8800b38cefc0 ffff88012a468000 squashfs /dev/vda /usr/sbin/mount.lustre ffff8800b3e53c00 ffff880137302800 lustre 192.168.202.156@tcp:/lustre /mnt/lustre ffff8800b38ce8c0 ffff8800b6178800 lustre 192.168.202.156@tcp:/lustre /mnt/lustre2 +-------------------------------+ >----------------------| Last 40 lines of dmesg buffer |----------------------< +-------------------------------+ [ 840.926270] [] SYSC_newstat+0x2e/0x60 [ 840.927931] [] ? trace_do_page_fault+0x56/0x170 [ 840.929795] [] SyS_newstat+0xe/0x10 [ 840.931416] [] system_call_fastpath+0x1f/0x24 [ 840.933372] INFO: task mrename:20286 blocked for more than 120 seconds. [ 840.935466] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 840.939110] mrename D ffff8800a5808000 12456 20286 1 0x00000004 [ 840.941431] Call Trace: [ 840.942301] [] schedule_preempt_disabled+0x39/0x90 [ 840.944531] [] __mutex_lock_slowpath+0x13a/0x340 [ 840.946733] [] mutex_lock+0x2d/0x40 [ 840.948527] [] lookup_slow+0x33/0xa7 [ 840.950325] [] link_path_walk+0x81f/0x8c0 [ 840.952470] [] ? getname_flags+0x4f/0x1a0 [ 840.955006] [] ? debug_object_active_state+0x15b/0x190 [ 840.957116] [] ? do_raw_spin_unlock+0x49/0x90 [ 840.959095] [] ? lockref_put_or_lock+0x25/0x30 [ 840.961283] [] path_lookupat+0x7a/0x8d0 [ 840.963243] [] ? kmem_cache_alloc+0x11b/0x2e0 [ 840.965265] [] ? getname_flags+0x4f/0x1a0 [ 840.967213] [] filename_lookup+0x2b/0xc0 [ 840.969144] [] user_path_parent+0x47/0x70 [ 840.971099] [] SYSC_renameat2+0xbf/0x570 [ 840.972606] [] ? handle_mm_fault+0xc2/0x150 [ 840.974479] [] SyS_renameat2+0xe/0x10 [ 840.976254] [] SyS_rename+0x1e/0x20 [ 840.978276] [] system_call_fastpath+0x1f/0x24 [ 840.980413] INFO: task mrename:20304 blocked for more than 120 seconds. [ 840.982375] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 840.984835] mrename D ffff88008a57db48 12456 20304 1 0x00000004 [ 840.986905] Call Trace: [ 840.987759] [] schedule_preempt_disabled+0x39/0x90 [ 840.989631] [] __mutex_lock_slowpath+0x13a/0x340 [ 840.991421] [] mutex_lock+0x2d/0x40 [ 840.993156] [] lock_rename+0xc0/0xe0 [ 840.994667] [] SYSC_renameat2+0x22f/0x570 [ 840.996725] [] ? handle_mm_fault+0xc2/0x150 [ 840.998683] [] SyS_renameat2+0xe/0x10 [ 841.000545] [] SyS_rename+0x1e/0x20 [ 841.002229] [] 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: 24.05, 52.58, 74.51 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 11.89s (real) 5.90s (CPU), Child processes: 5.91s