************************ crashinfo ************************* /exports/testreports/38859/testresults/racer-special9-zfs-DNE-centos7_x86_64-centos7_x86_64/oleg415-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.vtLiz/vmlinux [TAINTED] DUMPFILE: /exports/testreports/38859/testresults/racer-special9-zfs-DNE-centos7_x86_64-centos7_x86_64/oleg415-client-timeout-core [PARTIAL DUMP] CPUS: 4 DATE: Fri Jan 19 13:02:02 EST 2024 UPTIME: 01:08:19 LOAD AVERAGE: 24.00, 24.01, 26.49 TASKS: 182 NODENAME: oleg415-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 13 last 5s 27 last 60s 40 ----- Total Numbers of Threads per State ------ TASK_INTERRUPTIBLE 154 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 ----- -------------- ------ ---------------------------- 5352 ldlm_bl_01 0 ms (no user stack) 34 rcuos/3 0 ms (no user stack) 874 in:imjournal 0 ms /usr/sbin/rsyslogd -n 1853 lnet_discovery 120 ms (no user stack) 754 kworker/2:2 165 ms (no user stack) +------------------------+ >-------------------------| Memory Usage (kmem -i) |-------------------------< +------------------------+ PAGES TOTAL PERCENTAGE TOTAL MEM 955079 3.6 GB ---- FREE 792233 3 GB 82% of TOTAL MEM USED 162846 636.1 MB 17% of TOTAL MEM SHARED 12610 49.3 MB 1% of TOTAL MEM BUFFERS 5146 20.1 MB 0% of TOTAL MEM CACHED 48140 188 MB 5% of TOTAL MEM SLAB 70220 274.3 MB 7% 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 65646 256.4 MB 8% of TOTAL LIMIT +++three oldest UNINTERRUPTIBLE threads ... ran 3480s ago PID=7123 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 3480s ago PID=7270 CPU=0 CMD=lfs #0 __schedule+0x2e2 #1 schedule_preempt_disabled+0x39 #2 __mutex_lock_slowpath+0x13a #3 mutex_lock+0x2d #4 lookup_slow+0x33 #5 link_path_walk+0x81f #6 path_lookupat+0x7a #7 filename_lookup+0x2b #8 user_path_at_empty+0x67 #9 user_path_at+0x11 #10 vfs_fstatat+0x63 #11 SYSC_newlstat+0x31 #12 sys_newlstat+0xe #13 system_call_fastpath+0x1f, 477 bytes of data ... ran 3480s ago PID=7109 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 +-------------------------------+ >----------------------| 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 4097.5 eth0 n/a 0.4 RSS_TOTAL=95996 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 / ffff880137652380 ffff880137668800 sysfs sysfs /sys ffff880137652540 ffff880139944000 proc proc /proc ffff880137652700 ffff880137668000 devtmpfs devtmpfs /dev ffff8801376528c0 ffff8800b6d09000 securityfs securityfs /sys/kernel/security ffff880137652a80 ffff880137669000 tmpfs tmpfs /dev/shm ffff880137652c40 ffff88013717f000 devpts devpts /dev/pts ffff880137652e00 ffff880137669800 tmpfs tmpfs /run ffff880137652fc0 ffff88013766a000 tmpfs tmpfs /sys/fs/cgroup ffff880137653180 ffff88013766a800 cgroup cgroup /sys/fs/cgroup/systemd ffff880137653340 ffff88013766b000 pstore pstore /sys/fs/pstore ffff880137653500 ffff88013766d000 cgroup cgroup /sys/fs/cgroup/cpu,cpuacct ffff8801376536c0 ffff88013766c800 cgroup cgroup /sys/fs/cgroup/pids ffff880137653880 ffff88013766c000 cgroup cgroup /sys/fs/cgroup/net_cls,net_prio ffff880137653a40 ffff88013766b800 cgroup cgroup /sys/fs/cgroup/freezer ffff880137653c00 ffff88013766d800 cgroup cgroup /sys/fs/cgroup/cpuset ffff880137653dc0 ffff88013766e000 cgroup cgroup /sys/fs/cgroup/perf_event ffff88012aaa0000 ffff88013766e800 cgroup cgroup /sys/fs/cgroup/blkio ffff88012aaa01c0 ffff88013766f000 cgroup cgroup /sys/fs/cgroup/devices ffff88012aaa0380 ffff88013766f800 cgroup cgroup /sys/fs/cgroup/hugetlb ffff88012aaa0540 ffff88012aad0000 cgroup cgroup /sys/fs/cgroup/memory ffff88012aa841c0 ffff8800b6d0d800 configfs configfs /sys/kernel/config ffff88012aa84380 ffff8800b6d09800 ext4 /dev/nbd0 / ffff880138ccb880 ffff88012ab5e000 rpc_pipefs rpc_pipefs /var/lib/nfs/rpc_pipefs ffff8800b6d301c0 ffff88012e134000 autofs systemd-1 /proc/sys/fs/binfmt_misc ffff88012aaa0700 ffff88012b270000 mqueue mqueue /dev/mqueue ffff88012aaa08c0 ffff8800b63c5000 hugetlbfs hugetlbfs /dev/hugepages ffff8800b6d30380 ffff880139947800 debugfs debugfs /sys/kernel/debug ffff88012aaa0a80 ffff8800b63c2000 binfmt_misc binfmt_misc /proc/sys/fs/binfmt_misc/ ffff88012aa84c40 ffff8800b635f800 ramfs none /mnt ffff8800b6d30540 ffff8800b6068800 tmpfs none /var/lib/stateless/writable ffff8800b6d30700 ffff8800b606d800 squashfs /dev/vda /home/green/git/lustre-release ffff8800b6d308c0 ffff8800b6068800 tmpfs none /var/cache/man ffff88012aaa0c40 ffff8800b6068800 tmpfs none /var/log ffff8800b6d30a80 ffff8800b6068800 tmpfs none /var/lib/dbus ffff8800b6d30c40 ffff8800b6068800 tmpfs none /tmp ffff880138ccb6c0 ffff8800b6068800 tmpfs none /var/lib/dhclient ffff88012aaa0e00 ffff8800b6068800 tmpfs none /var/tmp ffff88012aaa0fc0 ffff8800b6068800 tmpfs none /var/lib/NetworkManager ffff88012aaa1180 ffff8800b6068800 tmpfs none /var/lib/systemd/random-seed ffff880138ccba40 ffff8800b6068800 tmpfs none /var/spool ffff8800b6d30e00 ffff8800b6068800 tmpfs none /var/lib/nfs ffff8800b6d30fc0 ffff8800b6068800 tmpfs none /var/lib/gssproxy ffff88012aaa1340 ffff8800b6068800 tmpfs none /var/lib/logrotate ffff880138ccbc00 ffff8800b6068800 tmpfs none /etc ffff88012aaa1500 ffff8800b6068800 tmpfs none /var/lib/rsyslog ffff88012aaa16c0 ffff8800b6068800 tmpfs none /var/lib/dhclient/var/lib/dhclient ffff88012aaa1880 ffff88012a418000 nfs4 192.168.200.253:/exports/state/oleg415-client.virtnet /var/lib/stateless/state ffff88012aaa1c00 ffff88012a418000 nfs4 192.168.200.253:/exports/state/oleg415-client.virtnet /boot ffff88012aaa1dc0 ffff88012a418000 nfs4 192.168.200.253:/exports/state/oleg415-client.virtnet /etc/etc/kdump.conf ffff88012aaa1a40 ffff88012ab5e000 rpc_pipefs sunrpc /var/lib/nfs/var/lib/nfs/rpc_pipefs ffff8800b427e380 ffff88012da2e800 nfs4 192.168.200.253://exports/testreports/38859/testresults/racer-special9-zfs-DNE-centos7_x86_64-centos7_x86_64 /tmp/tmp/testlogs ffff8800b621a540 ffff88012ab59800 tmpfs tmpfs /run/user/0 ffff8800b427e700 ffff8800b606d800 squashfs /dev/vda /usr/sbin/mount.lustre ffff8800b621a700 ffff88012da29000 lustre 192.168.204.115@tcp:/lustre /mnt/lustre ffff8800b427efc0 ffff8800aa086800 lustre 192.168.204.115@tcp:/lustre /mnt/lustre2 +-------------------------------+ >----------------------| Last 40 lines of dmesg buffer |----------------------< +-------------------------------+ [ 841.178688] [] ? system_call_after_swapgs+0xa2/0x13a [ 841.180873] [] ? system_call_after_swapgs+0x96/0x13a [ 841.182776] [] ? system_call_after_swapgs+0xa2/0x13a [ 841.184702] [] ? system_call_after_swapgs+0x96/0x13a [ 841.186652] [] ? system_call_after_swapgs+0xa2/0x13a [ 841.188167] [] ? system_call_after_swapgs+0x96/0x13a [ 841.190063] [] ? system_call_after_swapgs+0xa2/0x13a [ 841.191994] [] SyS_newfstatat+0xe/0x10 [ 841.193715] [] system_call_fastpath+0x1f/0x24 [ 841.195541] [] ? system_call_after_swapgs+0xa2/0x13a [ 841.196746] INFO: task rm:7257 blocked for more than 120 seconds. [ 841.197933] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 841.199479] rm D ffff88009c536c58 12744 7257 1 0x00000004 [ 841.200836] Call Trace: [ 841.201309] [] schedule_preempt_disabled+0x39/0x90 [ 841.202504] [] __mutex_lock_slowpath+0x13a/0x340 [ 841.203614] [] mutex_lock+0x2d/0x40 [ 841.204711] [] lookup_slow+0x33/0xa7 [ 841.206080] [] path_lookupat+0x89e/0x8d0 [ 841.207663] [] ? kmem_cache_alloc+0x11b/0x2e0 [ 841.209554] [] ? getname_flags+0x4f/0x1a0 [ 841.211155] [] filename_lookup+0x2b/0xc0 [ 841.212846] [] user_path_at_empty+0x67/0xc0 [ 841.220168] [] user_path_at+0x11/0x20 [ 841.221971] [] vfs_fstatat+0x63/0xc0 [ 841.223530] [] SYSC_newfstatat+0x24/0x60 [ 841.225234] [] ? system_call_after_swapgs+0xa2/0x13a [ 841.227189] [] ? system_call_after_swapgs+0x96/0x13a [ 841.229158] [] ? system_call_after_swapgs+0xa2/0x13a [ 841.231557] [] ? system_call_after_swapgs+0x96/0x13a [ 841.233387] [] ? system_call_after_swapgs+0xa2/0x13a [ 841.235456] [] ? system_call_after_swapgs+0x96/0x13a [ 841.238147] [] ? system_call_after_swapgs+0xa2/0x13a [ 841.240720] [] ? system_call_after_swapgs+0x96/0x13a [ 841.242982] [] ? system_call_after_swapgs+0xa2/0x13a [ 841.245337] [] ? system_call_after_swapgs+0x96/0x13a [ 841.247698] [] ? system_call_after_swapgs+0xa2/0x13a [ 841.249704] [] SyS_newfstatat+0xe/0x10 [ 841.251322] [] system_call_fastpath+0x1f/0x24 [ 841.253050] [] ? 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 11.87s (real) 5.88s (CPU), Child processes: 5.93s