************************ crashinfo ************************* /exports/testreports/52358/testresults/runtests-ldiskfs-DNE-centos7_x86_64-centos7_x86_64/oleg332-server-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.8TeWJ/vmlinux [TAINTED] DUMPFILE: /exports/testreports/52358/testresults/runtests-ldiskfs-DNE-centos7_x86_64-centos7_x86_64/oleg332-server-timeout-core [PARTIAL DUMP] CPUS: 4 DATE: Sun Jun 8 10:54:37 EDT 2025 UPTIME: 00:25:18 LOAD AVERAGE: 3.00, 2.98, 2.38 TASKS: 246 NODENAME: oleg332-server.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 26 last 5s 60 last 60s 80 ----- Total Numbers of Threads per State ------ TASK_INTERRUPTIBLE 239 TASK_RUNNING 1 TASK_UNINTERRUPTIBLE 3 +++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 ----- -------------- ------ ---------------------------- 10912 lwp_notify_lust 0 ms (no user stack) 12303 kworker/1:1 0 ms (no user stack) 12493 kworker/3:1 0 ms (no user stack) 9629 osp-pre-0-0 0 ms (no user stack) 11402 ll_ost_seq00_00 0 ms (no user stack) +------------------------+ >-------------------------| Memory Usage (kmem -i) |-------------------------< +------------------------+ PAGES TOTAL PERCENTAGE TOTAL MEM 955067 3.6 GB ---- FREE 742320 2.8 GB 77% of TOTAL MEM USED 212747 831 MB 22% of TOTAL MEM SHARED 10827 42.3 MB 1% of TOTAL MEM BUFFERS 8153 31.8 MB 0% of TOTAL MEM CACHED 70285 274.6 MB 7% of TOTAL MEM SLAB 14612 57.1 MB 1% 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 739676 2.8 GB ---- COMMITTED 57965 226.4 MB 7% of TOTAL LIMIT +++three oldest UNINTERRUPTIBLE threads ... ran 1445s ago PID=7223 CPU=0 CMD=mdt_seqm_0000 #0 __schedule+0x2e2 #1 schedule_preempt_disabled+0x39 #2 __mutex_lock_slowpath+0x13a #3 mutex_lock+0x2d #4 seq_server_alloc_meta+0x55 #5 seq_handler+0x3eb #6 tgt_request_handle+0x74e #7 ptlrpc_server_handle_request+0x23d #8 ptlrpc_main+0xc61 #9 kthread+0xe4 #10 ret_from_fork_nospec_begin+0x7 +-------------------------------+ >----------------------| 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 9 LISTEN 3 NAGLE disabled (TCP_NODELAY): 7 user_data set (NFS etc.): 8 UDP Connection Info ------------------- 2 UDP sockets, 0 in ESTABLISHED Unix Connection Info ------------------------ ESTABLISHED 26 CLOSE 17 LISTEN 8 Raw sockets info -------------------- ESTABLISHED 1 Interfaces Info --------------- How long ago (in seconds) interfaces transmitted/received? Name RX TX ---- ---------- --------- lo n/a 1516.7 eth0 n/a 2.4 RSS_TOTAL=50624 pages, %mem= 0.8 +++WARNING+++ Run 'hanginfo' to get more details +------------+ >-------------------------------| Mounted FS |-------------------------------< +------------+ MOUNT SUPERBLK TYPE DEVNAME DIRNAME ffff880138cca000 ffff880139940800 rootfs rootfs / ffff880137668380 ffff880137678800 sysfs sysfs /sys ffff880137668540 ffff880139944000 proc proc /proc ffff880137668700 ffff880137678000 devtmpfs devtmpfs /dev ffff8801376688c0 ffff88012a300000 securityfs securityfs /sys/kernel/security ffff880137668a80 ffff880137679000 tmpfs tmpfs /dev/shm ffff880137668c40 ffff88013771a000 devpts devpts /dev/pts ffff880137668e00 ffff880137679800 tmpfs tmpfs /run ffff880137668fc0 ffff88013767a000 tmpfs tmpfs /sys/fs/cgroup ffff880137669180 ffff88013767a800 cgroup cgroup /sys/fs/cgroup/systemd ffff880137669340 ffff88013767b000 pstore pstore /sys/fs/pstore ffff880138ccb180 ffff8800b51e4000 cgroup cgroup /sys/fs/cgroup/hugetlb ffff880138ccb340 ffff8800b51e3800 cgroup cgroup /sys/fs/cgroup/net_cls,net_prio ffff880138ccb500 ffff8800b51e3000 cgroup cgroup /sys/fs/cgroup/perf_event ffff880138ccb6c0 ffff8800b51e2800 cgroup cgroup /sys/fs/cgroup/freezer ffff880138ccb880 ffff8800b51e4800 cgroup cgroup /sys/fs/cgroup/devices ffff880138ccba40 ffff8800b51e5000 cgroup cgroup /sys/fs/cgroup/cpuset ffff880138ccbc00 ffff8800b51e5800 cgroup cgroup /sys/fs/cgroup/cpu,cpuacct ffff880138ccbdc0 ffff8800b51e6000 cgroup cgroup /sys/fs/cgroup/memory ffff88012aa28000 ffff8800b51e6800 cgroup cgroup /sys/fs/cgroup/blkio ffff88012aa281c0 ffff8800b51e7000 cgroup cgroup /sys/fs/cgroup/pids ffff8801377f6700 ffff88012a305800 configfs configfs /sys/kernel/config ffff8801370c4380 ffff8800b522a000 ext4 /dev/nbd0 / ffff8801370c4540 ffff88013767d000 rpc_pipefs rpc_pipefs /var/lib/nfs/rpc_pipefs ffff8801377f6e00 ffff8800b4fbd000 autofs systemd-1 /proc/sys/fs/binfmt_misc ffff8801376696c0 ffff880139947800 debugfs debugfs /sys/kernel/debug ffff8801377f6fc0 ffff88013701e800 mqueue mqueue /dev/mqueue ffff880137669880 ffff880129e9c800 hugetlbfs hugetlbfs /dev/hugepages ffff8801370c4700 ffff880129e57800 binfmt_misc binfmt_misc /proc/sys/fs/binfmt_misc/ ffff8801370c48c0 ffff880129e51800 ramfs none /mnt ffff8801377f7340 ffff8800b2007800 tmpfs none /var/lib/stateless/writable ffff8801370c4a80 ffff8800b4fbf800 squashfs /dev/vda /home/green/git/lustre-release ffff8801370c4c40 ffff8800b2007800 tmpfs none /var/cache/man ffff8801370c4e00 ffff8800b2007800 tmpfs none /var/log ffff880137669a40 ffff8800b2007800 tmpfs none /var/lib/dbus ffff880137669c00 ffff8800b2007800 tmpfs none /tmp ffff880137669dc0 ffff8800b2007800 tmpfs none /var/lib/dhclient ffff880137669500 ffff8800b2007800 tmpfs none /var/tmp ffff8800b2070000 ffff8800b2007800 tmpfs none /var/lib/NetworkManager ffff88012aa29a40 ffff8800b2007800 tmpfs none /var/lib/systemd/random-seed ffff8800b20701c0 ffff8800b2007800 tmpfs none /var/spool ffff8800b2070380 ffff8800b2007800 tmpfs none /var/lib/nfs ffff88012aa29c00 ffff8800b2007800 tmpfs none /var/lib/gssproxy ffff8800b2070540 ffff8800b2007800 tmpfs none /var/lib/logrotate ffff8800b2070700 ffff8800b2007800 tmpfs none /etc ffff8800b20708c0 ffff8800b2007800 tmpfs none /var/lib/rsyslog ffff8800b2070a80 ffff8800b2007800 tmpfs none /var/lib/dhclient/var/lib/dhclient ffff8801370c4fc0 ffff880136807800 nfs4 192.168.200.253:/exports/state/oleg332-server.virtnet /var/lib/stateless/state ffff8801370c56c0 ffff880136807800 nfs4 192.168.200.253:/exports/state/oleg332-server.virtnet /boot ffff8800b2070c40 ffff880136807800 nfs4 192.168.200.253:/exports/state/oleg332-server.virtnet /etc/etc/kdump.conf ffff8801370c5880 ffff88013767d000 rpc_pipefs sunrpc /var/lib/nfs/var/lib/nfs/rpc_pipefs ffff8800ad0fb180 ffff8800b4fbf800 squashfs /dev/vda /usr/sbin/mount.lustre ffff8800ad108a80 ffff8800ad27a000 lustre /dev/mapper/mds1_flakey /mnt/lustre-mds1 ffff8800ad109500 ffff8800b4fbb000 lustre /dev/mapper/mds2_flakey /mnt/lustre-mds2 ffff8800ad109340 ffff88009e833000 lustre /dev/mapper/ost1_flakey /mnt/lustre-ost1 ffff8800ad108fc0 ffff88009a2b1000 lustre /dev/mapper/ost2_flakey /mnt/lustre-ost2 +-------------------------------+ >----------------------| Last 40 lines of dmesg buffer |----------------------< +-------------------------------+ [ 1200.966063] [] mutex_lock+0x2d/0x40 [ 1200.968652] [] seq_server_alloc_meta+0x55/0x990 [fid] [ 1200.971934] [] seq_handler+0x3eb/0x620 [fid] [ 1200.974996] [] tgt_request_handle+0x74e/0x1a60 [ptlrpc] [ 1200.978459] [] ptlrpc_server_handle_request+0x23d/0xd10 [ptlrpc] [ 1200.982016] [] ptlrpc_main+0xc61/0x1640 [ptlrpc] [ 1200.985178] [] ? put_prev_entity+0x31/0x400 [ 1200.988050] [] ? do_raw_spin_unlock+0x49/0x90 [ 1200.991092] [] ? _raw_spin_unlock_irq+0xe/0x30 [ 1200.994150] [] ? ptlrpc_wait_event+0x630/0x630 [ptlrpc] [ 1200.997511] [] kthread+0xe4/0xf0 [ 1200.999961] [] ? kthread_create_on_node+0x140/0x140 [ 1201.003197] [] ret_from_fork_nospec_begin+0x7/0x21 [ 1201.006346] [] ? kthread_create_on_node+0x140/0x140 [ 1284.390012] Lustre: 8761:0:(client.c:2451:ptlrpc_expire_one_request()) @@@ Request sent has timed out for slow reply: [sent 1749393637/real 1749393637] req@ffff880130062a00 x1834371507039104/t0(0) o700->lustre-MDT0001-osp-MDT0000@0@lo:30/10 lens 264/248 e 24 to 1 dl 1749394242 ref 2 fl Rpc:XQr/202/ffffffff rc 0/-1 job:'' uid:0 gid:0 projid:4294967295 [ 1284.407826] Lustre: lustre-MDT0001-osp-MDT0000: Connection to lustre-MDT0001 (at 0@lo) was lost; in progress operations using this service will wait for recovery to complete [ 1284.416539] Lustre: lustre-MDT0001: Received new MDS connection from 0@lo, keep former export from same NID [ 1284.421857] Lustre: lustre-MDT0001-osp-MDT0000: Connection restored to 192.168.203.132@tcp (at 0@lo) [ 1321.009038] INFO: task mdt_seqm_0000:7223 blocked for more than 120 seconds. [ 1321.013216] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1321.017753] mdt_seqm_0000 D ffff880136b86c58 13808 7223 2 0x00000000 [ 1321.021926] Call Trace: [ 1321.023327] [] schedule_preempt_disabled+0x39/0x90 [ 1321.026844] [] __mutex_lock_slowpath+0x13a/0x340 [ 1321.030931] [] mutex_lock+0x2d/0x40 [ 1321.033764] [] seq_server_alloc_meta+0x55/0x990 [fid] [ 1321.037512] [] seq_handler+0x3eb/0x620 [fid] [ 1321.040948] [] tgt_request_handle+0x74e/0x1a60 [ptlrpc] [ 1321.045501] [] ptlrpc_server_handle_request+0x23d/0xd10 [ptlrpc] [ 1321.049627] [] ptlrpc_main+0xc61/0x1640 [ptlrpc] [ 1321.053019] [] ? put_prev_entity+0x31/0x400 [ 1321.056324] [] ? do_raw_spin_unlock+0x49/0x90 [ 1321.060142] [] ? _raw_spin_unlock_irq+0xe/0x30 [ 1321.063668] [] ? ptlrpc_wait_event+0x630/0x630 [ptlrpc] [ 1321.067504] [] kthread+0xe4/0xf0 [ 1321.070295] [] ? kthread_create_on_node+0x140/0x140 [ 1321.073718] [] ret_from_fork_nospec_begin+0x7/0x21 [ 1321.077668] [] ? kthread_create_on_node+0x140/0x140 [ 1358.093402] Lustre: srv-lustre-OST0001: Waiting to contact MDT0000 to allocate super-sequence: rc = -115 [ 1358.098140] Lustre: Skipped 11 previous similar messages ****************************************************************************** ************************ 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 Run 'hanginfo' to get more details ------------------------------------------------------------------------------ ** Execution took 11.72s (real) 6.21s (CPU), Child processes: 5.49s