************************ crashinfo ************************* /exports/testreports/42551/testresults/sanity1-zfs-centos7_x86_64-centos7_x86_64/oleg303-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.QcWJ2/vmlinux [TAINTED] DUMPFILE: /exports/testreports/42551/testresults/sanity1-zfs-centos7_x86_64-centos7_x86_64/oleg303-client-timeout-core [PARTIAL DUMP] CPUS: 4 DATE: Wed May 8 19:13:13 EDT 2024 UPTIME: 01:12:29 LOAD AVERAGE: 1.99, 1.61, 1.23 TASKS: 152 NODENAME: oleg303-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 19 last 5s 27 last 60s 30 ----- Total Numbers of Threads per State ------ TASK_INTERRUPTIBLE 146 TASK_RUNNING 1 TASK_UNINTERRUPTIBLE 2 +++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 ----- -------------- ------ ---------------------------- 24977 kworker/3:1 0 ms (no user stack) 11 rcuos/0 0 ms (no user stack) 9 rcu_sched 0 ms (no user stack) 50 kworker/1:1 0 ms (no user stack) 1952 monitor_thread 32 ms (no user stack) +------------------------+ >-------------------------| Memory Usage (kmem -i) |-------------------------< +------------------------+ PAGES TOTAL PERCENTAGE TOTAL MEM 955079 3.6 GB ---- FREE 847652 3.2 GB 88% of TOTAL MEM USED 107427 419.6 MB 11% of TOTAL MEM SHARED 15916 62.2 MB 1% of TOTAL MEM BUFFERS 5275 20.6 MB 0% of TOTAL MEM CACHED 55022 214.9 MB 5% of TOTAL MEM SLAB 12119 47.3 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 739682 2.8 GB ---- COMMITTED 63867 249.5 MB 8% of TOTAL LIMIT +++three oldest UNINTERRUPTIBLE threads ... ran 286s ago PID=5276 CPU=0 CMD=ldlm_bl_03 #0 __schedule+0x2e2 #1 schedule+0x29 #2 schedule_timeout+0x209 #3 io_schedule_timeout+0xad #4 io_schedule+0x18 #5 bit_wait_io+0x11 #6 __wait_on_bit_lock+0x5f #7 __lock_page+0x74 #8 __find_lock_page+0x66 #9 find_lock_page+0xe #10 truncate_inode_pages_range+0x4d9 #11 osc_discard_cb+0x20a #12 osc_page_gang_lookup+0x20f #13 osc_lock_discard_pages+0x16a #14 osc_ldlm_blocking_ast+0x35d #15 ldlm_cancel_callback+0x84 #16 ldlm_cli_cancel_local+0xb2 #17 ldlm_cli_cancel_list_local+0xea #18 ldlm_bl_thread_main+0x988 #19 kthread+0xe4 #20 ret_from_fork_nospec_begin+0x7 ... ran 3609s ago PID=28804 CPU=1 CMD=ldlm_lock_repla #0 __schedule+0x2e2 #1 schedule+0x29 #2 schedule_timeout+0x209 #3 io_schedule_timeout+0xad #4 io_schedule+0x18 #5 bit_wait_io+0x11 #6 __wait_on_bit_lock+0x5f #7 __lock_page+0x74 #8 __find_lock_page+0x66 #9 find_lock_page+0xe #10 truncate_inode_pages_range+0x4d9 #11 osc_discard_cb+0x20a #12 osc_page_gang_lookup+0x20f #13 osc_lock_discard_pages+0x16a #14 osc_ldlm_blocking_ast+0x35d #15 ldlm_cancel_callback+0x84 #16 ldlm_lock_cancel+0x56 #17 ldlm_cli_cancel_list_local+0x85 #18 ldlm_cancel_lru_local+0x2b #19 __ldlm_replay_locks+0x601 #20 ldlm_lock_replay_thread+0x31 #21 kthread+0xe4 #22 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 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 4347.1 eth0 n/a 0.4 RSS_TOTAL=72728 pages, %mem= 1.2 +++WARNING+++ Possible hang +++WARNING+++ Run 'hanginfo' to get more details +------------+ >-------------------------------| Mounted FS |-------------------------------< +------------+ MOUNT SUPERBLK TYPE DEVNAME DIRNAME ffff880138cca000 ffff880139940800 rootfs rootfs / ffff88012aa94000 ffff880137320800 sysfs sysfs /sys ffff88012aa941c0 ffff880139944000 proc proc /proc ffff88012aa94380 ffff880137678000 devtmpfs devtmpfs /dev ffff88012aa94540 ffff8800b6c61000 securityfs securityfs /sys/kernel/security ffff88012aa94700 ffff880137321000 tmpfs tmpfs /dev/shm ffff88012aa948c0 ffff88013771f000 devpts devpts /dev/pts ffff88012aa94a80 ffff880137321800 tmpfs tmpfs /run ffff88012aa94c40 ffff880137322000 tmpfs tmpfs /sys/fs/cgroup ffff88012aa94e00 ffff880137322800 cgroup cgroup /sys/fs/cgroup/systemd ffff88012aa94fc0 ffff880137323000 pstore pstore /sys/fs/pstore ffff8801377f6540 ffff8800b6cd0800 cgroup cgroup /sys/fs/cgroup/hugetlb ffff8801377f6700 ffff8800b6cd1000 cgroup cgroup /sys/fs/cgroup/cpuset ffff8801377f68c0 ffff8800b6cd1800 cgroup cgroup /sys/fs/cgroup/devices ffff8801377f6a80 ffff8800b6cd2000 cgroup cgroup /sys/fs/cgroup/cpu,cpuacct ffff8801377f6c40 ffff8800b6cd2800 cgroup cgroup /sys/fs/cgroup/pids ffff8801377f6e00 ffff8800b6cd3000 cgroup cgroup /sys/fs/cgroup/net_cls,net_prio ffff8801377f6fc0 ffff8800b6cd3800 cgroup cgroup /sys/fs/cgroup/memory ffff8801377f7180 ffff8800b6cd4000 cgroup cgroup /sys/fs/cgroup/blkio ffff8801377f7340 ffff8800b6cd4800 cgroup cgroup /sys/fs/cgroup/perf_event ffff8801377f7500 ffff8800b6cd5000 cgroup cgroup /sys/fs/cgroup/freezer ffff880137668700 ffff88013767e800 configfs configfs /sys/kernel/config ffff88012aa95500 ffff880137323800 ext4 /dev/nbd0 / ffff88012aa956c0 ffff880137324000 rpc_pipefs rpc_pipefs /var/lib/nfs/rpc_pipefs ffff880137668540 ffff8800b63f6000 autofs systemd-1 /proc/sys/fs/binfmt_misc ffff8801376688c0 ffff880139947800 debugfs debugfs /sys/kernel/debug ffff880137668a80 ffff880137678800 mqueue mqueue /dev/mqueue ffff8800b6312540 ffff8800b5c96000 hugetlbfs hugetlbfs /dev/hugepages ffff8801377f7880 ffff880137326000 binfmt_misc binfmt_misc /proc/sys/fs/binfmt_misc/ ffff88012aa95dc0 ffff8800b5c91800 ramfs none /mnt ffff880137668c40 ffff8800b5c06800 tmpfs none /var/lib/stateless/writable ffff8800b6312700 ffff880000094800 squashfs /dev/vda /home/green/git/lustre-release ffff880137668e00 ffff8800b5c06800 tmpfs none /var/cache/man ffff880137668fc0 ffff8800b5c06800 tmpfs none /var/log ffff88012aa95c00 ffff8800b5c06800 tmpfs none /var/lib/dbus ffff880137669180 ffff8800b5c06800 tmpfs none /tmp ffff8800b6312a80 ffff8800b5c06800 tmpfs none /var/lib/dhclient ffff880137669340 ffff8800b5c06800 tmpfs none /var/tmp ffff8801377f7c00 ffff8800b5c06800 tmpfs none /var/lib/NetworkManager ffff88012aa95a40 ffff8800b5c06800 tmpfs none /var/lib/systemd/random-seed ffff880137669500 ffff8800b5c06800 tmpfs none /var/spool ffff8801376696c0 ffff8800b5c06800 tmpfs none /var/lib/nfs ffff880137669880 ffff8800b5c06800 tmpfs none /var/lib/gssproxy ffff88012aa95880 ffff8800b5c06800 tmpfs none /var/lib/logrotate ffff8801377f7dc0 ffff8800b5c06800 tmpfs none /etc ffff88012aa95180 ffff8800b5c06800 tmpfs none /var/lib/rsyslog ffff8800b5fbe000 ffff8800b5c06800 tmpfs none /var/lib/dhclient/var/lib/dhclient ffff880137669a40 ffff8800b5c2f000 nfs4 192.168.200.253:/exports/state/oleg303-client.virtnet /var/lib/stateless/state ffff8800b5f241c0 ffff8800b5c2f000 nfs4 192.168.200.253:/exports/state/oleg303-client.virtnet /boot ffff8800b5fbe380 ffff8800b5c2f000 nfs4 192.168.200.253:/exports/state/oleg303-client.virtnet /etc/etc/kdump.conf ffff8800b5f24380 ffff880137324000 rpc_pipefs sunrpc /var/lib/nfs/var/lib/nfs/rpc_pipefs ffff88012b97f880 ffff8800b370c000 nfs4 192.168.200.253://exports/testreports/42551/testresults/sanity1-zfs-centos7_x86_64-centos7_x86_64 /tmp/tmp/testlogs ffff88012b97fc00 ffff8800b37d3000 tmpfs tmpfs /run/user/0 ffff8800b35921c0 ffff880000094800 squashfs /dev/vda /usr/sbin/mount.lustre ffff8800b63136c0 ffff8800b37d5800 lustre 192.168.203.103@tcp:/lustre /mnt/lustre +-------------------------------+ >----------------------| Last 40 lines of dmesg buffer |----------------------< +-------------------------------+ [ 1921.327522] [] ? kthread_create_on_node+0x140/0x140 [ 1921.330077] [] ret_from_fork_nospec_begin+0x7/0x21 [ 1921.332516] [] ? kthread_create_on_node+0x140/0x140 [ 2041.334458] INFO: task ldlm_lock_repla:28804 blocked for more than 120 seconds. [ 2041.336180] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 2041.337844] ldlm_lock_repla D ffff8800b6f75b48 13616 28804 2 0x00000000 [ 2041.339811] Call Trace: [ 2041.340356] [] ? bit_wait+0x50/0x50 [ 2041.341452] [] schedule+0x29/0x70 [ 2041.342765] [] schedule_timeout+0x209/0x290 [ 2041.344239] [] ? kvm_clock_read+0x33/0x40 [ 2041.345704] [] ? kvm_clock_get_cycles+0x9/0x10 [ 2041.347208] [] ? ktime_get_ts64+0x4c/0xf0 [ 2041.348656] [] ? bit_wait+0x50/0x50 [ 2041.350026] [] io_schedule_timeout+0xad/0x130 [ 2041.351555] [] io_schedule+0x18/0x20 [ 2041.352884] [] bit_wait_io+0x11/0x50 [ 2041.354141] [] __wait_on_bit_lock+0x5f/0xc0 [ 2041.355739] [] __lock_page+0x74/0x90 [ 2041.357043] [] ? wake_bit_function+0x40/0x40 [ 2041.358542] [] __find_lock_page+0x66/0x80 [ 2041.360042] [] find_lock_page+0xe/0x20 [ 2041.361552] [] truncate_inode_pages_range+0x4d9/0x7d0 [ 2041.363478] [] ? __cl_page_own+0x195/0x390 [obdclass] [ 2041.365357] [] osc_discard_cb+0x20a/0x2a0 [osc] [ 2041.367181] [] osc_page_gang_lookup+0x20f/0x4e0 [osc] [ 2041.368969] [] ? osc_consume_write_grant+0xe0/0xe0 [osc] [ 2041.370979] [] osc_lock_discard_pages+0x16a/0x30f [osc] [ 2041.372835] [] osc_ldlm_blocking_ast+0x35d/0x670 [osc] [ 2041.374554] [] ldlm_cancel_callback+0x84/0x320 [ptlrpc] [ 2041.376395] [] ldlm_lock_cancel+0x56/0x1f0 [ptlrpc] [ 2041.378021] [] ldlm_cli_cancel_list_local+0x85/0x270 [ptlrpc] [ 2041.379639] [] ldlm_cancel_lru_local+0x2b/0x30 [ptlrpc] [ 2041.381477] [] __ldlm_replay_locks+0x601/0xa80 [ptlrpc] [ 2041.383247] [] ? __ldlm_replay_locks+0xa80/0xa80 [ptlrpc] [ 2041.385078] [] ldlm_lock_replay_thread+0x31/0xd0 [ptlrpc] [ 2041.386880] [] kthread+0xe4/0xf0 [ 2041.388233] [] ? kthread_create_on_node+0x140/0x140 [ 2041.389879] [] ret_from_fork_nospec_begin+0x7/0x21 [ 2041.391502] [] ? kthread_create_on_node+0x140/0x140 ****************************************************************************** ************************ 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 10.73s (real) 5.57s (CPU), Child processes: 5.14s