************************ crashinfo ************************* /exports/testreports/42551/testresults/sanity-lfsck-zfs-centos7_x86_64-centos7_x86_64/oleg120-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.fdf5o/vmlinux [TAINTED] DUMPFILE: /exports/testreports/42551/testresults/sanity-lfsck-zfs-centos7_x86_64-centos7_x86_64/oleg120-client-timeout-core [PARTIAL DUMP] CPUS: 4 DATE: Wed May 8 18:42:46 EDT 2024 UPTIME: 00:42:01 LOAD AVERAGE: 4.00, 3.99, 3.43 TASKS: 152 NODENAME: oleg120-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 11 last 5s 26 last 60s 35 ----- Total Numbers of Threads per State ------ TASK_INTERRUPTIBLE 144 TASK_RUNNING 1 TASK_UNINTERRUPTIBLE 4 +++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 ----- -------------- ------ ---------------------------- 20 rcuos/1 0 ms (no user stack) 11 rcuos/0 0 ms (no user stack) 9 rcu_sched 0 ms (no user stack) 19161 ldlm_bl_03 128 ms (no user stack) 293 kworker/2:2 128 ms (no user stack) +------------------------+ >-------------------------| Memory Usage (kmem -i) |-------------------------< +------------------------+ PAGES TOTAL PERCENTAGE TOTAL MEM 955079 3.6 GB ---- FREE 852143 3.3 GB 89% of TOTAL MEM USED 102936 402.1 MB 10% of TOTAL MEM SHARED 10642 41.6 MB 1% of TOTAL MEM BUFFERS 5401 21.1 MB 0% of TOTAL MEM CACHED 47280 184.7 MB 4% of TOTAL MEM SLAB 12126 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 65942 257.6 MB 8% of TOTAL LIMIT +++three oldest UNINTERRUPTIBLE threads ... ran 1768s ago PID=19159 CPU=3 CMD=lctl #0 __schedule+0x2e2 #1 schedule+0x29 #2 schedule_timeout+0x209 #3 wait_for_completion+0xfc #4 __ldlm_bl_to_thread+0xfd #5 ldlm_bl_to_thread+0x22b #6 ldlm_bl_to_thread_list+0x19 #7 ldlm_cancel_lru+0x7e #8 lru_size_store+0x67 #9 lustre_attr_store+0x18 #10 sysfs_kf_write+0x3d #11 kernfs_fop_write+0x100 #12 vfs_write+0xd6 #13 sys_write+0x7f #14 system_call_fastpath+0x1f, 477 bytes of data ... ran 1768s ago PID=17848 CPU=0 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_list_local+0xea #18 ldlm_bl_thread_main+0x988 #19 kthread+0xe4 #20 ret_from_fork_nospec_begin+0x7 ... ran 1768s ago PID=17849 CPU=0 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_list_local+0xea #18 ldlm_bl_thread_main+0x988 #19 kthread+0xe4 #20 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): 6 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 2519.3 eth0 n/a 2.4 RSS_TOTAL=76064 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 / ffff88012aa70000 ffff880137308800 sysfs sysfs /sys ffff88012aa701c0 ffff880139944000 proc proc /proc ffff88012aa70380 ffff880137678000 devtmpfs devtmpfs /dev ffff88012aa70540 ffff8800b6c6d000 securityfs securityfs /sys/kernel/security ffff88012aa70700 ffff880137309000 tmpfs tmpfs /dev/shm ffff88012aa708c0 ffff88013771f000 devpts devpts /dev/pts ffff88012aa70a80 ffff880137309800 tmpfs tmpfs /run ffff88012aa70c40 ffff88013730a000 tmpfs tmpfs /sys/fs/cgroup ffff88012aa70e00 ffff88013730a800 cgroup cgroup /sys/fs/cgroup/systemd ffff88012aa70fc0 ffff88013730b000 pstore pstore /sys/fs/pstore ffff88012aa71180 ffff88013730d000 cgroup cgroup /sys/fs/cgroup/cpu,cpuacct ffff88012aa71340 ffff88013730c800 cgroup cgroup /sys/fs/cgroup/blkio ffff88012aa71500 ffff88013730c000 cgroup cgroup /sys/fs/cgroup/net_cls,net_prio ffff88012aa716c0 ffff88013730b800 cgroup cgroup /sys/fs/cgroup/freezer ffff88012aa71880 ffff88013730d800 cgroup cgroup /sys/fs/cgroup/pids ffff88012aa71a40 ffff88013730e000 cgroup cgroup /sys/fs/cgroup/perf_event ffff88012aa71c00 ffff88013730e800 cgroup cgroup /sys/fs/cgroup/hugetlb ffff88012aa71dc0 ffff88013730f000 cgroup cgroup /sys/fs/cgroup/devices ffff88012aaf6000 ffff88013730f800 cgroup cgroup /sys/fs/cgroup/cpuset ffff88012aaf61c0 ffff88012ab10000 cgroup cgroup /sys/fs/cgroup/memory ffff880137668540 ffff8800b6110000 configfs configfs /sys/kernel/config ffff8801376688c0 ffff8800b6114800 ext4 /dev/nbd0 / ffff880138ccb880 ffff8800b6cb6000 rpc_pipefs rpc_pipefs /var/lib/nfs/rpc_pipefs ffff88012aaf7500 ffff88013717f000 autofs systemd-1 /proc/sys/fs/binfmt_misc ffff8801377f6a80 ffff8800b6057000 hugetlbfs hugetlbfs /dev/hugepages ffff880138ccba40 ffff88012b268800 mqueue mqueue /dev/mqueue ffff88012aaf76c0 ffff880139947800 debugfs debugfs /sys/kernel/debug ffff8801377f6c40 ffff8800b6053000 binfmt_misc binfmt_misc /proc/sys/fs/binfmt_misc/ ffff880137668a80 ffff8800b588e800 ramfs none /mnt ffff8801377f6e00 ffff88012a650800 tmpfs none /var/lib/stateless/writable ffff880138ccbc00 ffff88012ab14000 squashfs /dev/vda /home/green/git/lustre-release ffff880137668c40 ffff88012a650800 tmpfs none /var/cache/man ffff880137668e00 ffff88012a650800 tmpfs none /var/log ffff88012aaf7c00 ffff88012a650800 tmpfs none /var/lib/dbus ffff880137668fc0 ffff88012a650800 tmpfs none /tmp ffff88012aaf7dc0 ffff88012a650800 tmpfs none /var/lib/dhclient ffff880137669180 ffff88012a650800 tmpfs none /var/tmp ffff88012b4f8000 ffff88012a650800 tmpfs none /var/lib/NetworkManager ffff88012b4f81c0 ffff88012a650800 tmpfs none /var/lib/systemd/random-seed ffff8801377f6fc0 ffff88012a650800 tmpfs none /var/spool ffff880137669340 ffff88012a650800 tmpfs none /var/lib/nfs ffff88012b4f8380 ffff88012a650800 tmpfs none /var/lib/gssproxy ffff88012b4f8540 ffff88012a650800 tmpfs none /var/lib/logrotate ffff8801377f7180 ffff88012a650800 tmpfs none /etc ffff88012b4f8700 ffff88012a650800 tmpfs none /var/lib/rsyslog ffff88012b4f88c0 ffff88012a650800 tmpfs none /var/lib/dhclient/var/lib/dhclient ffff88012b4f8a80 ffff8800b6051000 nfs4 192.168.200.253:/exports/state/oleg120-client.virtnet /var/lib/stateless/state ffff88012b4f8c40 ffff8800b6051000 nfs4 192.168.200.253:/exports/state/oleg120-client.virtnet /boot ffff88012b4f8e00 ffff8800b6051000 nfs4 192.168.200.253:/exports/state/oleg120-client.virtnet /etc/etc/kdump.conf ffff880137669500 ffff8800b6cb6000 rpc_pipefs sunrpc /var/lib/nfs/var/lib/nfs/rpc_pipefs ffff880137669a40 ffff8800b588a000 nfs4 192.168.200.253://exports/testreports/42551/testresults/sanity-lfsck-zfs-centos7_x86_64-centos7_x86_64 /tmp/tmp/testlogs ffff88012b76c540 ffff8800b6117800 tmpfs tmpfs /run/user/0 ffff880137668380 ffff88012ab14000 squashfs /dev/vda /usr/sbin/mount.lustre ffff8800b07376c0 ffff8800aab8c000 lustre 192.168.201.120@tcp:/lustre /mnt/lustre +-------------------------------+ >----------------------| Last 40 lines of dmesg buffer |----------------------< +-------------------------------+ [ 1201.086542] [] kthread+0xe4/0xf0 [ 1201.087952] [] ? kthread_create_on_node+0x140/0x140 [ 1201.089677] [] ret_from_fork_nospec_begin+0x7/0x21 [ 1201.091537] [] ? kthread_create_on_node+0x140/0x140 [ 1201.093210] INFO: task ldlm_bl_02:17849 blocked for more than 120 seconds. [ 1201.095046] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1201.096923] ldlm_bl_02 D ffff8800b5875b48 13760 17849 2 0x00000000 [ 1201.098476] Call Trace: [ 1201.099010] [] ? bit_wait+0x50/0x50 [ 1201.100150] [] schedule+0x29/0x70 [ 1201.101359] [] schedule_timeout+0x209/0x290 [ 1201.102716] [] ? kvm_clock_read+0x33/0x40 [ 1201.104007] [] ? kvm_clock_get_cycles+0x9/0x10 [ 1201.105354] [] ? bit_wait+0x50/0x50 [ 1201.106620] [] io_schedule_timeout+0xad/0x130 [ 1201.107939] [] io_schedule+0x18/0x20 [ 1201.109252] [] bit_wait_io+0x11/0x50 [ 1201.110434] [] __wait_on_bit_lock+0x5f/0xc0 [ 1201.111774] [] __lock_page+0x74/0x90 [ 1201.112934] [] ? wake_bit_function+0x40/0x40 [ 1201.114352] [] __find_lock_page+0x66/0x80 [ 1201.115859] [] find_lock_page+0xe/0x20 [ 1201.117792] [] truncate_inode_pages_range+0x4d9/0x7d0 [ 1201.119387] [] osc_discard_cb+0x20a/0x2a0 [osc] [ 1201.120768] [] osc_page_gang_lookup+0x20f/0x4e0 [osc] [ 1201.122230] [] ? osc_consume_write_grant+0xe0/0xe0 [osc] [ 1201.123792] [] osc_lock_discard_pages+0x16a/0x30f [osc] [ 1201.125304] [] osc_ldlm_blocking_ast+0x35d/0x670 [osc] [ 1201.126902] [] ldlm_cancel_callback+0x84/0x320 [ptlrpc] [ 1201.128439] [] ? do_raw_spin_unlock+0x49/0x90 [ 1201.130121] [] ldlm_cli_cancel_local+0xb2/0x460 [ptlrpc] [ 1201.131814] [] ldlm_cli_cancel_list_local+0xea/0x270 [ptlrpc] [ 1201.133783] [] ldlm_bl_thread_main+0x988/0xb40 [ptlrpc] [ 1201.135414] [] ? _raw_spin_unlock_irq+0xe/0x30 [ 1201.136950] [] ? wake_up_atomic_t+0x30/0x30 [ 1201.138405] [] ? ldlm_handle_bl_callback+0x3e0/0x3e0 [ptlrpc] [ 1201.140117] [] kthread+0xe4/0xf0 [ 1201.141323] [] ? kthread_create_on_node+0x140/0x140 [ 1201.142807] [] ret_from_fork_nospec_begin+0x7/0x21 [ 1201.144295] [] ? 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 11.08s (real) 5.71s (CPU), Child processes: 5.36s