************************ crashinfo ************************* /exports/testreports/44326/testresults/sanity-hsm-zfs-centos7_x86_64-centos7_x86_64/oleg247-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.FkjAB/vmlinux [TAINTED] DUMPFILE: /exports/testreports/44326/testresults/sanity-hsm-zfs-centos7_x86_64-centos7_x86_64/oleg247-server-timeout-core [PARTIAL DUMP] CPUS: 4 DATE: Fri Jul 19 13:39:50 EDT 2024 UPTIME: 01:21:30 LOAD AVERAGE: 3.00, 3.01, 2.95 TASKS: 437 NODENAME: oleg247-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 30 last 5s 69 last 60s 79 ----- Total Numbers of Threads per State ------ TASK_INTERRUPTIBLE 430 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 ----- -------------- ------ ---------------------------- 7932 z_null_int 0 ms (no user stack) 20361 ll_mgs_0001 0 ms (no user stack) 20189 ll_ost00_016 0 ms (no user stack) 21020 mdt00_005 0 ms (no user stack) 7931 z_null_iss 18 ms (no user stack) +------------------------+ >-------------------------| Memory Usage (kmem -i) |-------------------------< +------------------------+ PAGES TOTAL PERCENTAGE TOTAL MEM 955067 3.6 GB ---- FREE 628068 2.4 GB 65% of TOTAL MEM USED 326999 1.2 GB 34% of TOTAL MEM SHARED 9009 35.2 MB 0% of TOTAL MEM BUFFERS 5051 19.7 MB 0% of TOTAL MEM CACHED 69443 271.3 MB 7% of TOTAL MEM SLAB 22114 86.4 MB 2% 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 64310 251.2 MB 8% of TOTAL LIMIT +++three oldest UNINTERRUPTIBLE threads ... ran 3576s ago PID=21644 CPU=3 CMD=lctl #0 __schedule+0x2e2 #1 schedule+0x29 #2 rwsem_down_read_failed+0xfd #3 call_rwsem_down_read_failed+0x18 #4 down_read+0x33 #5 mdt_hsm_actions_debugfs_show+0xff #6 seq_read+0x135 #7 vfs_read+0xb9 #8 sys_read+0x7f #9 system_call_fastpath+0x1f, 477 bytes of data ... ran 3577s ago PID=21600 CPU=1 CMD=lctl #0 __schedule+0x2e2 #1 schedule+0x29 #2 rwsem_down_read_failed+0xfd #3 call_rwsem_down_read_failed+0x18 #4 down_read+0x33 #5 mdt_hsm_actions_debugfs_show+0xff #6 seq_read+0x135 #7 vfs_read+0xb9 #8 sys_read+0x7f #9 system_call_fastpath+0x1f, 477 bytes of data ... ran 3577s ago PID=20390 CPU=1 CMD=mdt00_001 #0 __schedule+0x2e2 #1 schedule+0x29 #2 rwsem_down_write_failed+0x195 #3 call_rwsem_down_write_failed+0x17 #4 down_write+0x40 #5 mdt_agent_record_add+0x153 #6 mdt_hsm_register_hal+0x3ce #7 mdt_hsm_add_actions+0x4a7 #8 mdt_hsm_request+0xa4c192 #9 tgt_request_handle+0x93a #10 ptlrpc_server_handle_request+0x250 #11 ptlrpc_main+0xbd9 #12 kthread+0xe4 #13 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 7 LISTEN 3 NAGLE disabled (TCP_NODELAY): 6 user_data set (NFS etc.): 4 UDP Connection Info ------------------- 2 UDP sockets, 0 in ESTABLISHED Unix Connection Info ------------------------ ESTABLISHED 26 CLOSE 19 LISTEN 8 Raw sockets info -------------------- ESTABLISHED 1 Interfaces Info --------------- How long ago (in seconds) interfaces transmitted/received? Name RX TX ---- ---------- --------- lo n/a 4888.5 eth0 n/a 1.0 RSS_TOTAL=71320 pages, %mem= 1.0 +++WARNING+++ Possible hang +++WARNING+++ Run 'hanginfo' to get more details +------------+ >-------------------------------| Mounted FS |-------------------------------< +------------+ MOUNT SUPERBLK TYPE DEVNAME DIRNAME ffff880138cca000 ffff880139940800 rootfs rootfs / ffff88012a324000 ffff88012a2c0000 sysfs sysfs /sys ffff88012a3241c0 ffff880139944000 proc proc /proc ffff88012a324380 ffff880137678000 devtmpfs devtmpfs /dev ffff88012a324540 ffff8800b5244000 securityfs securityfs /sys/kernel/security ffff88012a324700 ffff88012a2c0800 tmpfs tmpfs /dev/shm ffff88012a3248c0 ffff8801372f6000 devpts devpts /dev/pts ffff88012a324a80 ffff88012a2c1000 tmpfs tmpfs /run ffff88012a324c40 ffff88012a2c1800 tmpfs tmpfs /sys/fs/cgroup ffff88012a324e00 ffff88012a2c2000 cgroup cgroup /sys/fs/cgroup/systemd ffff88012a324fc0 ffff88012a2c2800 pstore pstore /sys/fs/pstore ffff88012a325180 ffff88012a2c4800 cgroup cgroup /sys/fs/cgroup/freezer ffff88012a325340 ffff88012a2c4000 cgroup cgroup /sys/fs/cgroup/net_cls,net_prio ffff88012a325500 ffff88012a2c3800 cgroup cgroup /sys/fs/cgroup/cpu,cpuacct ffff88012a3256c0 ffff88012a2c3000 cgroup cgroup /sys/fs/cgroup/pids ffff88012a325880 ffff88012a2c5000 cgroup cgroup /sys/fs/cgroup/cpuset ffff88012a325a40 ffff88012a2c5800 cgroup cgroup /sys/fs/cgroup/hugetlb ffff88012a325c00 ffff88012a2c6000 cgroup cgroup /sys/fs/cgroup/blkio ffff88012a325dc0 ffff88012a2c6800 cgroup cgroup /sys/fs/cgroup/memory ffff88012a358000 ffff88012a2c7000 cgroup cgroup /sys/fs/cgroup/perf_event ffff88012a3581c0 ffff88012a2c7800 cgroup cgroup /sys/fs/cgroup/devices ffff88012a358540 ffff8800b5299000 configfs configfs /sys/kernel/config ffff88012a3588c0 ffff8800b529f000 ext4 /dev/nbd0 / ffff880138ccb180 ffff8800b529c800 rpc_pipefs rpc_pipefs /var/lib/nfs/rpc_pipefs ffff88012b26ac40 ffff8800b54df800 autofs systemd-1 /proc/sys/fs/binfmt_misc ffff88012b26ae00 ffff8800b54dd800 hugetlbfs hugetlbfs /dev/hugepages ffff8801376696c0 ffff8801372f7800 mqueue mqueue /dev/mqueue ffff880138ccb340 ffff880139947800 debugfs debugfs /sys/kernel/debug ffff88012a358e00 ffff880129dbf000 binfmt_misc binfmt_misc /proc/sys/fs/binfmt_misc/ ffff88012b26afc0 ffff880129cb0000 ramfs none /mnt ffff880137669880 ffff8800b402b800 squashfs /dev/vda /home/green/git/lustre-release ffff880138ccb6c0 ffff8800b4899800 tmpfs none /var/lib/stateless/writable ffff880137669a40 ffff8800b4899800 tmpfs none /var/cache/man ffff880137669c00 ffff8800b4899800 tmpfs none /var/log ffff88012a358fc0 ffff8800b4899800 tmpfs none /var/lib/dbus ffff88012a359180 ffff8800b4899800 tmpfs none /tmp ffff88012a359340 ffff8800b4899800 tmpfs none /var/lib/dhclient ffff88012a359500 ffff8800b4899800 tmpfs none /var/tmp ffff88012a3596c0 ffff8800b4899800 tmpfs none /var/lib/NetworkManager ffff88012b26b180 ffff8800b4899800 tmpfs none /var/lib/systemd/random-seed ffff88012a359880 ffff8800b4899800 tmpfs none /var/spool ffff880138ccb880 ffff8800b4899800 tmpfs none /var/lib/nfs ffff8800b43ca000 ffff8800b4899800 tmpfs none /var/lib/gssproxy ffff8800b43ca1c0 ffff8800b4899800 tmpfs none /var/lib/logrotate ffff8800b43ca380 ffff8800b4899800 tmpfs none /etc ffff8800b43ca540 ffff8800b4899800 tmpfs none /var/lib/rsyslog ffff8800b43ca700 ffff8800b4899800 tmpfs none /var/lib/dhclient/var/lib/dhclient ffff88012a359a40 ffff8800b2523800 nfs4 192.168.200.253:/exports/state/oleg247-server.virtnet /var/lib/stateless/state ffff8800b43ca8c0 ffff8800b2523800 nfs4 192.168.200.253:/exports/state/oleg247-server.virtnet /boot ffff8800b43caa80 ffff8800b2523800 nfs4 192.168.200.253:/exports/state/oleg247-server.virtnet /etc/etc/kdump.conf ffff8800b43cac40 ffff8800b529c800 rpc_pipefs sunrpc /var/lib/nfs/var/lib/nfs/rpc_pipefs ffff8800b43cba40 ffff8800b402b800 squashfs /dev/vda /usr/sbin/mount.lustre ffff8800b1ec5180 ffff8800a6201000 lustre lustre-ost1/ost1 /mnt/lustre-ost1 ffff88012e2ef500 ffff880133e95800 lustre lustre-ost2/ost2 /mnt/lustre-ost2 ffff880090b0f880 ffff880125211000 lustre lustre-mdt1/mdt1 /mnt/lustre-mds1 ffff880090b0ec40 ffff880093951000 tmpfs tmpfs /run/user/0 +-------------------------------+ >----------------------| Last 40 lines of dmesg buffer |----------------------< +-------------------------------+ [ 1681.090061] [] system_call_fastpath+0x1f/0x24 [ 1801.092368] INFO: task mdt00_001:20390 blocked for more than 120 seconds. [ 1801.094170] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1801.095864] mdt00_001 D ffff8800995e85f8 11096 20390 2 0x00000000 [ 1801.097941] Call Trace: [ 1801.098489] [] schedule+0x29/0x70 [ 1801.099744] [] rwsem_down_write_failed+0x195/0x3c0 [ 1801.101302] [] call_rwsem_down_write_failed+0x17/0x30 [ 1801.102961] [] down_write+0x40/0x50 [ 1801.104059] [] mdt_agent_record_add+0x153/0x5b0 [mdt] [ 1801.105699] [] mdt_hsm_register_hal+0x3ce/0xbf0 [mdt] [ 1801.107475] [] mdt_hsm_add_actions+0x4a7/0x6d0 [mdt] [ 1801.109000] [] mdt_hsm_request+0x522/0xab0 [mdt] [ 1801.111050] [] tgt_request_handle+0x93a/0x19c0 [ptlrpc] [ 1801.113217] [] ? libcfs_nid2str_r+0xfe/0x130 [lnet] [ 1801.114804] [] ptlrpc_server_handle_request+0x250/0xc30 [ptlrpc] [ 1801.117657] [] ptlrpc_main+0xbd9/0x15f0 [ptlrpc] [ 1801.119849] [] ? do_raw_spin_unlock+0x49/0x90 [ 1801.121494] [] ? _raw_spin_unlock_irq+0xe/0x30 [ 1801.122814] [] ? ptlrpc_wait_event+0x620/0x620 [ptlrpc] [ 1801.124354] [] kthread+0xe4/0xf0 [ 1801.125407] [] ? kthread_create_on_node+0x140/0x140 [ 1801.126735] [] ret_from_fork_nospec_begin+0x7/0x21 [ 1801.128056] [] ? kthread_create_on_node+0x140/0x140 [ 1904.355259] Lustre: 20391:0:(service.c:1437:ptlrpc_at_send_early_reply()) @@@ Could not add any time (5/5), not sending early reply req@ffff88008b881300 x1805024954270464/t0(0) o58->27c68b8e-c622-4761-b3c9-0781dc0427a1@192.168.202.47@tcp:257/0 lens 512/224 e 23 to 0 dl 1721407807 ref 2 fl Interpret:/2/0 rc 0/0 job:'md5sum.0' [ 1910.336270] Lustre: lustre-MDT0000: Client bd893eac-d222-4d00-91e9-83c7c75bbfc4 (at 192.168.202.47@tcp) reconnecting [ 1910.338658] Lustre: Skipped 1 previous similar message [ 1910.343953] Lustre: HSM agent bd893eac-d222-4d00-91e9-83c7c75bbfc4 already registered [ 2511.357620] Lustre: lustre-MDT0000: Client 27c68b8e-c622-4761-b3c9-0781dc0427a1 (at 192.168.202.47@tcp) reconnecting [ 2511.363036] Lustre: Skipped 1 previous similar message [ 2511.394780] Lustre: HSM agent bd893eac-d222-4d00-91e9-83c7c75bbfc4 already registered [ 3112.384675] Lustre: lustre-MDT0000: Client 27c68b8e-c622-4761-b3c9-0781dc0427a1 (at 192.168.202.47@tcp) reconnecting [ 3112.388457] Lustre: Skipped 1 previous similar message [ 3112.400700] Lustre: HSM agent bd893eac-d222-4d00-91e9-83c7c75bbfc4 already registered [ 3713.403163] Lustre: lustre-MDT0000: Client bd893eac-d222-4d00-91e9-83c7c75bbfc4 (at 192.168.202.47@tcp) reconnecting [ 3713.405984] Lustre: Skipped 1 previous similar message [ 3713.411777] Lustre: HSM agent bd893eac-d222-4d00-91e9-83c7c75bbfc4 already registered [ 4314.433489] Lustre: lustre-MDT0000: Client 27c68b8e-c622-4761-b3c9-0781dc0427a1 (at 192.168.202.47@tcp) reconnecting [ 4314.438191] Lustre: Skipped 1 previous similar message [ 4314.461717] Lustre: HSM agent bd893eac-d222-4d00-91e9-83c7c75bbfc4 already registered ****************************************************************************** ************************ 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 11.52s (real) 6.76s (CPU), Child processes: 4.73s