************************ crashinfo ************************* /exports/testreports/47154/testresults/ost-pools-zfs-centos7_x86_64-centos7_x86_64/oleg426-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.eBRNl/vmlinux [TAINTED] DUMPFILE: /exports/testreports/47154/testresults/ost-pools-zfs-centos7_x86_64-centos7_x86_64/oleg426-client-timeout-core [PARTIAL DUMP] CPUS: 4 DATE: Wed Nov 13 13:14:08 EST 2024 UPTIME: 01:06:55 LOAD AVERAGE: 2.00, 1.99, 1.92 TASKS: 152 NODENAME: oleg426-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 15 last 5s 27 last 60s 34 ----- 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 ----- -------------- ------ ---------------------------- 34 rcuos/3 0 ms (no user stack) 9 rcu_sched 0 ms (no user stack) 1 systemd 5 ms /usr/lib/systemd/systemd --switched-root --system --deserialize 21 3 kworker/0:0 199 ms (no user stack) 1128 sshd 200 ms sshd: root@pts/0 +------------------------+ >-------------------------| Memory Usage (kmem -i) |-------------------------< +------------------------+ PAGES TOTAL PERCENTAGE TOTAL MEM 955079 3.6 GB ---- FREE 854573 3.3 GB 89% of TOTAL MEM USED 100506 392.6 MB 10% of TOTAL MEM SHARED 10242 40 MB 1% of TOTAL MEM BUFFERS 5180 20.2 MB 0% of TOTAL MEM CACHED 47879 187 MB 5% of TOTAL MEM SLAB 12136 47.4 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 62854 245.5 MB 8% of TOTAL LIMIT +++three oldest UNINTERRUPTIBLE threads ... ran 3008s ago PID=4806 CPU=3 CMD=ldlm_bl_01 #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 __cl_page_own+0x373 #9 cl_page_own+0x10 #10 osc_discard_cb+0xaf #11 osc_page_gang_lookup+0x20f #12 osc_lock_discard_pages+0x16a #13 osc_ldlm_blocking_ast+0x35d #14 ldlm_cancel_callback+0x84 #15 ldlm_cli_cancel_local+0xb2 #16 ldlm_cli_cancel+0xd1 #17 osc_ldlm_blocking_ast+0x18a #18 ldlm_handle_bl_callback+0xc5 #19 ldlm_bl_thread_main+0x5fc #20 kthread+0xe4 #21 ret_from_fork_nospec_begin+0x7 ... ran 3011s ago PID=26963 CPU=2 CMD=rm #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 truncate_inode_pages_range+0x79a #9 truncate_inode_pages_final+0x4c #10 ll_truncate_inode_pages_final+0x30 #11 ll_delete_inode+0x38 #12 evict+0xaf #13 iput+0xf5 #14 do_unlinkat+0x1ae #15 sys_unlinkat+0x1b #16 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 4013.7 eth0 n/a 0.2 RSS_TOTAL=76468 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 / ffff880137668700 ffff8800b6cda000 sysfs sysfs /sys ffff8801376688c0 ffff880139944000 proc proc /proc ffff880137668a80 ffff880137678000 devtmpfs devtmpfs /dev ffff880137668c40 ffff8800b6d38000 securityfs securityfs /sys/kernel/security ffff880137668e00 ffff8800b6cda800 tmpfs tmpfs /dev/shm ffff880137668fc0 ffff880137161800 devpts devpts /dev/pts ffff880137669180 ffff8800b6cdb000 tmpfs tmpfs /run ffff880137669340 ffff8800b6cdb800 tmpfs tmpfs /sys/fs/cgroup ffff880137669500 ffff8800b6cdc000 cgroup cgroup /sys/fs/cgroup/systemd ffff8801376696c0 ffff8800b6cdc800 pstore pstore /sys/fs/pstore ffff880137669880 ffff8800b6cde800 cgroup cgroup /sys/fs/cgroup/cpu,cpuacct ffff880137669a40 ffff8800b6cde000 cgroup cgroup /sys/fs/cgroup/memory ffff880137669c00 ffff8800b6cdd800 cgroup cgroup /sys/fs/cgroup/net_cls,net_prio ffff880137669dc0 ffff8800b6cdd000 cgroup cgroup /sys/fs/cgroup/freezer ffff88012aacc000 ffff8800b6cdf000 cgroup cgroup /sys/fs/cgroup/blkio ffff88012aacc1c0 ffff8800b6cdf800 cgroup cgroup /sys/fs/cgroup/cpuset ffff88012aacc380 ffff88012aad8000 cgroup cgroup /sys/fs/cgroup/devices ffff88012aacc540 ffff88012aad8800 cgroup cgroup /sys/fs/cgroup/pids ffff88012aacc700 ffff88012aad9000 cgroup cgroup /sys/fs/cgroup/perf_event ffff88012aacc8c0 ffff88012aad9800 cgroup cgroup /sys/fs/cgroup/hugetlb ffff88012aacca80 ffff88012aada800 configfs configfs /sys/kernel/config ffff88012aaccc40 ffff88012aada000 ext4 /dev/nbd0 / ffff8800b6ffe380 ffff8800b6e64000 rpc_pipefs rpc_pipefs /var/lib/nfs/rpc_pipefs ffff88012aa9d340 ffff8800b6e61800 autofs systemd-1 /proc/sys/fs/binfmt_misc ffff88012aa9d500 ffff8800b6e60800 hugetlbfs hugetlbfs /dev/hugepages ffff88012aa9d6c0 ffff880139947800 debugfs debugfs /sys/kernel/debug ffff88012aa9d880 ffff880137679000 mqueue mqueue /dev/mqueue ffff880138ccb880 ffff8800b5d0c000 binfmt_misc binfmt_misc /proc/sys/fs/binfmt_misc/ ffff88012aa9da40 ffff8800b672e000 ramfs none /mnt ffff88012aacce00 ffff8800b5c93800 tmpfs none /var/lib/stateless/writable ffff88012aa9dc00 ffff8800b672f800 squashfs /dev/vda /home/green/git/lustre-release ffff88012aaccfc0 ffff8800b5c93800 tmpfs none /var/cache/man ffff880138ccba40 ffff8800b5c93800 tmpfs none /var/log ffff8800b6ffec40 ffff8800b5c93800 tmpfs none /var/lib/dbus ffff88012aacd180 ffff8800b5c93800 tmpfs none /tmp ffff88012aacd340 ffff8800b5c93800 tmpfs none /var/lib/dhclient ffff8800b6ffee00 ffff8800b5c93800 tmpfs none /var/tmp ffff8800b6e58000 ffff8800b5c93800 tmpfs none /var/lib/NetworkManager ffff8800b6e581c0 ffff8800b5c93800 tmpfs none /var/lib/systemd/random-seed ffff880138ccbc00 ffff8800b5c93800 tmpfs none /var/spool ffff88012aacd500 ffff8800b5c93800 tmpfs none /var/lib/nfs ffff8800b6e58380 ffff8800b5c93800 tmpfs none /var/lib/gssproxy ffff880138ccbdc0 ffff8800b5c93800 tmpfs none /var/lib/logrotate ffff8800b6e58540 ffff8800b5c93800 tmpfs none /etc ffff8800b6e58700 ffff8800b5c93800 tmpfs none /var/lib/rsyslog ffff8800b6e588c0 ffff8800b5c93800 tmpfs none /var/lib/dhclient/var/lib/dhclient ffff8800b6e58a80 ffff8800b5d22800 nfs4 192.168.200.253:/exports/state/oleg426-client.virtnet /var/lib/stateless/state ffff8800b5fe2000 ffff8800b5d22800 nfs4 192.168.200.253:/exports/state/oleg426-client.virtnet /boot ffff8800b6ffefc0 ffff8800b5d22800 nfs4 192.168.200.253:/exports/state/oleg426-client.virtnet /etc/etc/kdump.conf ffff88012aacd6c0 ffff8800b6e64000 rpc_pipefs sunrpc /var/lib/nfs/var/lib/nfs/rpc_pipefs ffff880137668540 ffff8800b659e800 nfs4 192.168.200.253://exports/testreports/47154/testresults/ost-pools-zfs-centos7_x86_64-centos7_x86_64 /tmp/tmp/testlogs ffff8800b6e59a40 ffff8800b5c91800 tmpfs tmpfs /run/user/0 ffff88012ab821c0 ffff8800b672f800 squashfs /dev/vda /usr/sbin/mount.lustre ffff88012ab82380 ffff8800b3e24800 lustre 192.168.204.126@tcp:/lustre /mnt/lustre +-------------------------------+ >----------------------| Last 40 lines of dmesg buffer |----------------------< +-------------------------------+ [ 1681.362451] [] osc_ldlm_blocking_ast+0x18a/0x670 [osc] [ 1681.365408] [] ? osc_ldlm_glimpse_ast+0x510/0x510 [osc] [ 1681.368255] [] ldlm_handle_bl_callback+0xc5/0x3e0 [ptlrpc] [ 1681.371222] [] ldlm_bl_thread_main+0x5fc/0xb40 [ptlrpc] [ 1681.374029] [] ? _raw_spin_unlock_irq+0xe/0x30 [ 1681.376540] [] ? wake_up_atomic_t+0x30/0x30 [ 1681.378738] [] ? ldlm_handle_bl_callback+0x3e0/0x3e0 [ptlrpc] [ 1681.381581] [] kthread+0xe4/0xf0 [ 1681.383543] [] ? kthread_create_on_node+0x140/0x140 [ 1681.386168] [] ret_from_fork_nospec_begin+0x7/0x21 [ 1681.388527] [] ? kthread_create_on_node+0x140/0x140 [ 1681.390870] INFO: task rm:26963 blocked for more than 120 seconds. [ 1681.393163] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1681.395743] rm D ffff88012b2b4a38 12000 26963 26216 0x00000000 [ 1681.397977] Call Trace: [ 1681.398761] [] ? bit_wait+0x50/0x50 [ 1681.400455] [] schedule+0x29/0x70 [ 1681.402036] [] schedule_timeout+0x209/0x290 [ 1681.403841] [] ? string.isra.7+0x3b/0xf0 [ 1681.405624] [] ? kvm_clock_read+0x33/0x40 [ 1681.407406] [] ? kvm_clock_get_cycles+0x9/0x10 [ 1681.409359] [] ? ktime_get_ts64+0x4c/0xf0 [ 1681.411164] [] ? bit_wait+0x50/0x50 [ 1681.413003] [] io_schedule_timeout+0xad/0x130 [ 1681.414784] [] io_schedule+0x18/0x20 [ 1681.416294] [] bit_wait_io+0x11/0x50 [ 1681.417865] [] __wait_on_bit_lock+0x5f/0xc0 [ 1681.419608] [] ? __find_get_pages+0x132/0x1f0 [ 1681.421307] [] __lock_page+0x74/0x90 [ 1681.422773] [] ? wake_bit_function+0x40/0x40 [ 1681.424430] [] truncate_inode_pages_range+0x79a/0x7d0 [ 1681.426229] [] truncate_inode_pages_final+0x4c/0x60 [ 1681.428050] [] ll_truncate_inode_pages_final+0x30/0x1f0 [lustre] [ 1681.430064] [] ll_delete_inode+0x38/0x150 [lustre] [ 1681.431584] [] evict+0xaf/0x180 [ 1681.432826] [] iput+0xf5/0x180 [ 1681.434032] [] do_unlinkat+0x1ae/0x2b0 [ 1681.435358] [] ? trace_do_page_fault+0x56/0x170 [ 1681.436951] [] SyS_unlinkat+0x1b/0x40 [ 1681.438307] [] system_call_fastpath+0x1f/0x24 ****************************************************************************** ************************ 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 10.97s (real) 5.69s (CPU), Child processes: 5.26s