************************ crashinfo ************************* /exports/testreports/38859/testresults/racer-special7-ldiskfs-DNE-centos7_x86_64-centos7_x86_64/oleg418-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.u1HCA/vmlinux [TAINTED] DUMPFILE: /exports/testreports/38859/testresults/racer-special7-ldiskfs-DNE-centos7_x86_64-centos7_x86_64/oleg418-client-timeout-core [PARTIAL DUMP] CPUS: 4 DATE: Fri Jan 19 13:01:07 EST 2024 UPTIME: 01:07:21 LOAD AVERAGE: 24.00, 24.01, 26.14 TASKS: 181 NODENAME: oleg418-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 10 last 5s 28 last 60s 37 ----- Total Numbers of Threads per State ------ TASK_INTERRUPTIBLE 153 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 ----- -------------- ------ ---------------------------- 1849 monitor_thread 0 ms (no user stack) 5735 ldlm_bl_03 0 ms (no user stack) 1103 sshd 38 ms sshd: root@pts/0 9 rcu_sched 47 ms (no user stack) 1 systemd 53 ms /usr/lib/systemd/systemd --switched-root --system --deserialize 22 +------------------------+ >-------------------------| Memory Usage (kmem -i) |-------------------------< +------------------------+ PAGES TOTAL PERCENTAGE TOTAL MEM 955079 3.6 GB ---- FREE 778761 3 GB 81% of TOTAL MEM USED 176318 688.7 MB 18% of TOTAL MEM SHARED 11491 44.9 MB 1% of TOTAL MEM BUFFERS 5146 20.1 MB 0% of TOTAL MEM CACHED 48299 188.7 MB 5% of TOTAL MEM SLAB 82312 321.5 MB 8% 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 66972 261.6 MB 9% of TOTAL LIMIT +++three oldest UNINTERRUPTIBLE threads ... ran 3470s ago PID=20076 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 3470s ago PID=19885 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 3471s ago PID=19883 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 4039.4 eth0 n/a 0.0 RSS_TOTAL=98476 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 / ffff880137652c40 ffff88013766c000 sysfs sysfs /sys ffff880137652e00 ffff880139944000 proc proc /proc ffff880137652fc0 ffff880137668000 devtmpfs devtmpfs /dev ffff880137653180 ffff8800b6d30000 securityfs securityfs /sys/kernel/security ffff880137653340 ffff88013766c800 tmpfs tmpfs /dev/shm ffff880137653500 ffff880137669800 devpts devpts /dev/pts ffff8801376536c0 ffff88013766d000 tmpfs tmpfs /run ffff880137653880 ffff88013766d800 tmpfs tmpfs /sys/fs/cgroup ffff880137653a40 ffff88013766e000 cgroup cgroup /sys/fs/cgroup/systemd ffff880137653c00 ffff88013766e800 pstore pstore /sys/fs/pstore ffff880137653dc0 ffff88012aab0800 cgroup cgroup /sys/fs/cgroup/net_cls,net_prio ffff88012aaaa000 ffff88012aab0000 cgroup cgroup /sys/fs/cgroup/devices ffff88012aaaa1c0 ffff88012aab1000 cgroup cgroup /sys/fs/cgroup/freezer ffff88012aaaa380 ffff88012aab1800 cgroup cgroup /sys/fs/cgroup/cpuset ffff88012aaaa540 ffff88012aab2000 cgroup cgroup /sys/fs/cgroup/cpu,cpuacct ffff88012aaaa700 ffff88012aab2800 cgroup cgroup /sys/fs/cgroup/blkio ffff88012aaaa8c0 ffff88012aab3000 cgroup cgroup /sys/fs/cgroup/memory ffff88012aaaaa80 ffff88012aab3800 cgroup cgroup /sys/fs/cgroup/perf_event ffff88012aaaac40 ffff88012aab4000 cgroup cgroup /sys/fs/cgroup/hugetlb ffff88012aaaae00 ffff88012aab4800 cgroup cgroup /sys/fs/cgroup/pids ffff880138ccafc0 ffff8800b6fd2000 configfs configfs /sys/kernel/config ffff88012aa66380 ffff8800b6d37800 ext4 /dev/nbd0 / ffff88012aa66540 ffff8800b6d36000 rpc_pipefs rpc_pipefs /var/lib/nfs/rpc_pipefs ffff8800b6f06000 ffff88012a5b8000 autofs systemd-1 /proc/sys/fs/binfmt_misc ffff8800b6f061c0 ffff88013766a800 mqueue mqueue /dev/mqueue ffff88012aa67dc0 ffff8800b636a000 hugetlbfs hugetlbfs /dev/hugepages ffff88012aa67c00 ffff880139947800 debugfs debugfs /sys/kernel/debug ffff8800b6f06380 ffff88012a5be000 binfmt_misc binfmt_misc /proc/sys/fs/binfmt_misc/ ffff8800b6f06540 ffff88012a5bb800 ramfs none /mnt ffff88012aaaafc0 ffff8800b5a32800 tmpfs none /var/lib/stateless/writable ffff88012aa67a40 ffff8800b636a800 squashfs /dev/vda /home/green/git/lustre-release ffff8800b6f06700 ffff8800b5a32800 tmpfs none /var/cache/man ffff88012aaab180 ffff8800b5a32800 tmpfs none /var/log ffff88012aaab340 ffff8800b5a32800 tmpfs none /var/lib/dbus ffff8800b6f068c0 ffff8800b5a32800 tmpfs none /tmp ffff88012aaab500 ffff8800b5a32800 tmpfs none /var/lib/dhclient ffff880138ccb340 ffff8800b5a32800 tmpfs none /var/tmp ffff88012aaab6c0 ffff8800b5a32800 tmpfs none /var/lib/NetworkManager ffff88012aaab880 ffff8800b5a32800 tmpfs none /var/lib/systemd/random-seed ffff88012aaaba40 ffff8800b5a32800 tmpfs none /var/spool ffff8800b6f06a80 ffff8800b5a32800 tmpfs none /var/lib/nfs ffff8800b6f06c40 ffff8800b5a32800 tmpfs none /var/lib/gssproxy ffff88012aa67880 ffff8800b5a32800 tmpfs none /var/lib/logrotate ffff8800b6f06e00 ffff8800b5a32800 tmpfs none /etc ffff880138ccb500 ffff8800b5a32800 tmpfs none /var/lib/rsyslog ffff8800b6f06fc0 ffff8800b5a32800 tmpfs none /var/lib/dhclient/var/lib/dhclient ffff88012aaabc00 ffff8800b636d000 nfs4 192.168.200.253:/exports/state/oleg418-client.virtnet /var/lib/stateless/state ffff880138ccb6c0 ffff8800b636d000 nfs4 192.168.200.253:/exports/state/oleg418-client.virtnet /boot ffff8800b6f07340 ffff8800b636d000 nfs4 192.168.200.253:/exports/state/oleg418-client.virtnet /etc/etc/kdump.conf ffff8800b6f07500 ffff8800b6d36000 rpc_pipefs sunrpc /var/lib/nfs/var/lib/nfs/rpc_pipefs ffff8801376b36c0 ffff88012a5bd000 nfs4 192.168.200.253://exports/testreports/38859/testresults/racer-special7-ldiskfs-DNE-centos7_x86_64-centos7_x86_64 /tmp/tmp/testlogs ffff8801376b3c00 ffff8800b58eb000 tmpfs tmpfs /run/user/0 ffff8800afc80a80 ffff8800b636a800 squashfs /dev/vda /usr/sbin/mount.lustre ffff880138ccb880 ffff8800b63c5800 lustre 192.168.204.118@tcp:/lustre /mnt/lustre ffff8800afc81340 ffff8800a9fae800 lustre 192.168.204.118@tcp:/lustre /mnt/lustre2 +-------------------------------+ >----------------------| Last 40 lines of dmesg buffer |----------------------< +-------------------------------+ [ 721.237821] [] SYSC_renameat2+0x22f/0x570 [ 721.239085] [] ? handle_mm_fault+0xc2/0x150 [ 721.240680] [] ? system_call_after_swapgs+0xa2/0x13a [ 721.242138] [] ? system_call_after_swapgs+0x96/0x13a [ 721.246714] [] ? system_call_after_swapgs+0xa2/0x13a [ 721.249801] [] ? system_call_after_swapgs+0x96/0x13a [ 721.251919] [] SyS_renameat2+0xe/0x10 [ 721.254028] [] SyS_rename+0x1e/0x20 [ 721.255724] [] system_call_fastpath+0x1f/0x24 [ 721.261438] [] ? system_call_after_swapgs+0xa2/0x13a [ 721.263567] INFO: task lfs:20174 blocked for more than 120 seconds. [ 721.265895] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 721.269131] lfs D ffff8800a780ca38 12744 20174 15894 0x00000000 [ 721.275094] Call Trace: [ 721.278148] [] schedule_preempt_disabled+0x39/0x90 [ 721.284195] [] __mutex_lock_slowpath+0x13a/0x340 [ 721.290562] [] mutex_lock+0x2d/0x40 [ 721.294636] [] lookup_slow+0x33/0xa7 [ 721.297496] [] path_lookupat+0x89e/0x8d0 [ 721.303931] [] ? kmem_cache_alloc+0x11b/0x2e0 [ 721.308473] [] ? getname_flags+0x4f/0x1a0 [ 721.311361] [] filename_lookup+0x2b/0xc0 [ 721.313524] [] user_path_at_empty+0x67/0xc0 [ 721.315654] [] user_path_at+0x11/0x20 [ 721.317925] [] vfs_fstatat+0x63/0xc0 [ 721.320630] [] SYSC_newstat+0x2e/0x60 [ 721.324555] [] ? system_call_after_swapgs+0xa2/0x13a [ 721.326811] [] ? system_call_after_swapgs+0x96/0x13a [ 721.332121] [] ? system_call_after_swapgs+0xa2/0x13a [ 721.336928] [] ? system_call_after_swapgs+0x96/0x13a [ 721.340851] [] ? system_call_after_swapgs+0xa2/0x13a [ 721.345998] [] ? system_call_after_swapgs+0x96/0x13a [ 721.349528] [] ? system_call_after_swapgs+0xa2/0x13a [ 721.353233] [] ? system_call_after_swapgs+0x96/0x13a [ 721.361639] [] ? system_call_after_swapgs+0xa2/0x13a [ 721.364480] [] ? system_call_after_swapgs+0x96/0x13a [ 721.366914] [] ? system_call_after_swapgs+0xa2/0x13a [ 721.370118] [] SyS_newstat+0xe/0x10 [ 721.371941] [] system_call_fastpath+0x1f/0x24 [ 721.374232] [] ? 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 12.85s (real) 6.87s (CPU), Child processes: 5.76s