************************ crashinfo ************************* /exports/testreports/42551/testresults/sanity-slow-zfs-centos7_x86_64-centos7_x86_64/oleg246-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.IsWua/vmlinux [TAINTED] DUMPFILE: /exports/testreports/42551/testresults/sanity-slow-zfs-centos7_x86_64-centos7_x86_64/oleg246-client-timeout-core [PARTIAL DUMP] CPUS: 4 DATE: Wed May 8 19:18:32 EDT 2024 UPTIME: 01:17:47 LOAD AVERAGE: 3.00, 2.99, 2.95 TASKS: 158 NODENAME: oleg246-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 17 last 5s 29 last 60s 33 ----- Total Numbers of Threads per State ------ TASK_INTERRUPTIBLE 151 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 ----- -------------- ------ ---------------------------- 34 rcuos/3 0 ms (no user stack) 20 rcuos/1 0 ms (no user stack) 9 rcu_sched 0 ms (no user stack) 14385 kworker/u8:2 5 ms (no user stack) 1959 ptlrpcd_01_01 198 ms (no user stack) +------------------------+ >-------------------------| Memory Usage (kmem -i) |-------------------------< +------------------------+ PAGES TOTAL PERCENTAGE TOTAL MEM 955079 3.6 GB ---- FREE 838576 3.2 GB 87% of TOTAL MEM USED 116503 455.1 MB 12% of TOTAL MEM SHARED 12210 47.7 MB 1% of TOTAL MEM BUFFERS 5214 20.4 MB 0% of TOTAL MEM CACHED 62645 244.7 MB 6% of TOTAL MEM SLAB 11782 46 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 65414 255.5 MB 8% of TOTAL LIMIT +++three oldest UNINTERRUPTIBLE threads ... ran 3498s ago PID=14566 CPU=1 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 ... ran 3601s ago PID=4778 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 __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+0xd1 #18 osc_ldlm_blocking_ast+0x18a #19 ldlm_handle_bl_callback+0xc5 #20 ldlm_bl_thread_main+0x5fc #21 kthread+0xe4 #22 ret_from_fork_nospec_begin+0x7 ... ran 3601s ago PID=4779 CPU=2 CMD=ldlm_bl_02 #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+0xd1 #18 osc_ldlm_blocking_ast+0x18a #19 ldlm_handle_bl_callback+0xc5 #20 ldlm_bl_thread_main+0x5fc #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 -------------------- CLOSE 1 Interfaces Info --------------- How long ago (in seconds) interfaces transmitted/received? Name RX TX ---- ---------- --------- lo n/a 4665.1 eth0 n/a 0.2 RSS_TOTAL=90384 pages, %mem= 1.5 +++WARNING+++ Possible hang +++WARNING+++ Run 'hanginfo' to get more details +------------+ >-------------------------------| Mounted FS |-------------------------------< +------------+ MOUNT SUPERBLK TYPE DEVNAME DIRNAME ffff880138cca000 ffff880139940800 rootfs rootfs / ffff88012aaf6000 ffff88012b36d800 sysfs sysfs /sys ffff88012aaf61c0 ffff880139944000 proc proc /proc ffff88012aaf6380 ffff880137678000 devtmpfs devtmpfs /dev ffff88012aaf6540 ffff8800b6ce1800 securityfs securityfs /sys/kernel/security ffff88012aaf6700 ffff88012b36e000 tmpfs tmpfs /dev/shm ffff88012aaf68c0 ffff88013771f000 devpts devpts /dev/pts ffff88012aaf6a80 ffff88012b36e800 tmpfs tmpfs /run ffff88012aaf6c40 ffff88012b36f000 tmpfs tmpfs /sys/fs/cgroup ffff88012aaf6e00 ffff88012b36f800 cgroup cgroup /sys/fs/cgroup/systemd ffff88012aaf6fc0 ffff88012ab00000 pstore pstore /sys/fs/pstore ffff88012aaf7180 ffff88012ab02000 cgroup cgroup /sys/fs/cgroup/devices ffff88012aaf7340 ffff88012ab01800 cgroup cgroup /sys/fs/cgroup/perf_event ffff88012aaf7500 ffff88012ab01000 cgroup cgroup /sys/fs/cgroup/freezer ffff88012aaf76c0 ffff88012ab00800 cgroup cgroup /sys/fs/cgroup/net_cls,net_prio ffff88012aaf7880 ffff88012ab02800 cgroup cgroup /sys/fs/cgroup/pids ffff88012aaf7a40 ffff88012ab03000 cgroup cgroup /sys/fs/cgroup/hugetlb ffff88012aaf7c00 ffff88012ab03800 cgroup cgroup /sys/fs/cgroup/memory ffff88012aaf7dc0 ffff88012ab04000 cgroup cgroup /sys/fs/cgroup/blkio ffff88012aac2000 ffff88012ab04800 cgroup cgroup /sys/fs/cgroup/cpu,cpuacct ffff88012aac21c0 ffff88012ab05000 cgroup cgroup /sys/fs/cgroup/cpuset ffff8801376688c0 ffff8800b6ce5800 configfs configfs /sys/kernel/config ffff8800b63b2540 ffff8800b591d000 ext4 /dev/nbd0 / ffff88012aac2380 ffff8800b6ce3000 rpc_pipefs rpc_pipefs /var/lib/nfs/rpc_pipefs ffff88012aac2540 ffff88012a5a9800 autofs systemd-1 /proc/sys/fs/binfmt_misc ffff880137668e00 ffff880139947800 debugfs debugfs /sys/kernel/debug ffff88012aac2700 ffff88012b30c800 hugetlbfs hugetlbfs /dev/hugepages ffff8800b63b2700 ffff88012b278800 mqueue mqueue /dev/mqueue ffff88012aac28c0 ffff88012b30e000 binfmt_misc binfmt_misc /proc/sys/fs/binfmt_misc/ ffff8800b63b28c0 ffff8800b58bf800 ramfs none /mnt ffff8801377f6c40 ffff88012a50b000 tmpfs none /var/lib/stateless/writable ffff8801377f6e00 ffff8800b5863800 squashfs /dev/vda /home/green/git/lustre-release ffff88012aac2a80 ffff88012a50b000 tmpfs none /var/cache/man ffff8800b63b2c40 ffff88012a50b000 tmpfs none /var/log ffff88012aac2c40 ffff88012a50b000 tmpfs none /var/lib/dbus ffff880137668fc0 ffff88012a50b000 tmpfs none /tmp ffff880137669180 ffff88012a50b000 tmpfs none /var/lib/dhclient ffff8800b63b2e00 ffff88012a50b000 tmpfs none /var/tmp ffff880137669340 ffff88012a50b000 tmpfs none /var/lib/NetworkManager ffff8801377f6fc0 ffff88012a50b000 tmpfs none /var/lib/systemd/random-seed ffff88012aac2e00 ffff88012a50b000 tmpfs none /var/spool ffff88012aac2fc0 ffff88012a50b000 tmpfs none /var/lib/nfs ffff880137669500 ffff88012a50b000 tmpfs none /var/lib/gssproxy ffff8801376696c0 ffff88012a50b000 tmpfs none /var/lib/logrotate ffff880137669880 ffff88012a50b000 tmpfs none /etc ffff8801377f7180 ffff88012a50b000 tmpfs none /var/lib/rsyslog ffff8800b63b2fc0 ffff88012a50b000 tmpfs none /var/lib/dhclient/var/lib/dhclient ffff880137669a40 ffff8800b5864000 nfs4 192.168.200.253:/exports/state/oleg246-client.virtnet /var/lib/stateless/state ffff880137669dc0 ffff8800b5864000 nfs4 192.168.200.253:/exports/state/oleg246-client.virtnet /boot ffff88012aac3180 ffff8800b5864000 nfs4 192.168.200.253:/exports/state/oleg246-client.virtnet /etc/etc/kdump.conf ffff880137669c00 ffff8800b6ce3000 rpc_pipefs sunrpc /var/lib/nfs/var/lib/nfs/rpc_pipefs ffff8800b4119340 ffff8800b60dc000 nfs4 192.168.200.253://exports/testreports/42551/testresults/sanity-slow-zfs-centos7_x86_64-centos7_x86_64 /tmp/tmp/testlogs ffff8800b63b3500 ffff8800b591f800 tmpfs tmpfs /run/user/0 ffff8800b3666380 ffff8800b5863800 squashfs /dev/vda /usr/sbin/mount.lustre ffff8800b63b3c00 ffff8800b6c9d000 lustre 192.168.202.146@tcp:/lustre /mnt/lustre +-------------------------------+ >----------------------| Last 40 lines of dmesg buffer |----------------------< +-------------------------------+ [ 1561.310250] [] ret_from_fork_nospec_begin+0x7/0x21 [ 1561.313577] [] ? kthread_create_on_node+0x140/0x140 [ 1561.315581] INFO: task ldlm_bl_02:4779 blocked for more than 120 seconds. [ 1561.318437] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1561.321571] ldlm_bl_02 D ffff88012c175b48 13200 4779 2 0x00000000 [ 1561.324592] Call Trace: [ 1561.325584] [] ? bit_wait+0x50/0x50 [ 1561.327762] [] schedule+0x29/0x70 [ 1561.329891] [] schedule_timeout+0x209/0x290 [ 1561.332387] [] ? string.isra.7+0x3b/0xf0 [ 1561.334625] [] ? kvm_clock_read+0x33/0x40 [ 1561.336496] [] ? kvm_clock_get_cycles+0x9/0x10 [ 1561.337956] [] ? bit_wait+0x50/0x50 [ 1561.339468] [] io_schedule_timeout+0xad/0x130 [ 1561.341208] [] io_schedule+0x18/0x20 [ 1561.343079] [] bit_wait_io+0x11/0x50 [ 1561.344835] [] __wait_on_bit_lock+0x5f/0xc0 [ 1561.346683] [] __lock_page+0x74/0x90 [ 1561.348463] [] ? wake_bit_function+0x40/0x40 [ 1561.350106] [] __find_lock_page+0x66/0x80 [ 1561.351457] [] find_lock_page+0xe/0x20 [ 1561.352688] [] truncate_inode_pages_range+0x4d9/0x7d0 [ 1561.354555] [] osc_discard_cb+0x20a/0x2a0 [osc] [ 1561.356090] [] osc_page_gang_lookup+0x20f/0x4e0 [osc] [ 1561.357681] [] ? osc_consume_write_grant+0xe0/0xe0 [osc] [ 1561.359710] [] osc_lock_discard_pages+0x16a/0x30f [osc] [ 1561.361645] [] osc_ldlm_blocking_ast+0x35d/0x670 [osc] [ 1561.363583] [] ldlm_cancel_callback+0x84/0x320 [ptlrpc] [ 1561.365875] [] ldlm_cli_cancel_local+0xb2/0x460 [ptlrpc] [ 1561.367721] [] ldlm_cli_cancel+0xd1/0x6f0 [ptlrpc] [ 1561.369691] [] osc_ldlm_blocking_ast+0x18a/0x670 [osc] [ 1561.371670] [] ldlm_handle_bl_callback+0xc5/0x3e0 [ptlrpc] [ 1561.373744] [] ldlm_bl_thread_main+0x5fc/0xb40 [ptlrpc] [ 1561.375731] [] ? _raw_spin_unlock_irq+0xe/0x30 [ 1561.377605] [] ? wake_up_atomic_t+0x30/0x30 [ 1561.379234] [] ? ldlm_handle_bl_callback+0x3e0/0x3e0 [ptlrpc] [ 1561.381222] [] kthread+0xe4/0xf0 [ 1561.382660] [] ? kthread_create_on_node+0x140/0x140 [ 1561.385009] [] ret_from_fork_nospec_begin+0x7/0x21 [ 1561.387396] [] ? 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 11.27s (real) 5.84s (CPU), Child processes: 5.42s