************************ crashinfo ************************* /exports/testreports/42551/testresults/sanity-quota-zfs-centos7_x86_64-centos7_x86_64/oleg248-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.JqU6U/vmlinux [TAINTED] DUMPFILE: /exports/testreports/42551/testresults/sanity-quota-zfs-centos7_x86_64-centos7_x86_64/oleg248-client-timeout-core [PARTIAL DUMP] CPUS: 4 DATE: Wed May 8 19:03:00 EDT 2024 UPTIME: 01:02:14 LOAD AVERAGE: 2.00, 1.99, 1.95 TASKS: 152 NODENAME: oleg248-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 26 last 60s 31 ----- 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 ----- -------------- ------ ---------------------------- 4774 ldlm_bl_01 0 ms (no user stack) 11 rcuos/0 0 ms (no user stack) 9 rcu_sched 0 ms (no user stack) 20 rcuos/1 100 ms (no user stack) 907 in:imjournal 125 ms /usr/sbin/rsyslogd -n +------------------------+ >-------------------------| Memory Usage (kmem -i) |-------------------------< +------------------------+ PAGES TOTAL PERCENTAGE TOTAL MEM 955079 3.6 GB ---- FREE 855090 3.3 GB 89% of TOTAL MEM USED 99989 390.6 MB 10% of TOTAL MEM SHARED 12134 47.4 MB 1% of TOTAL MEM BUFFERS 5129 20 MB 0% of TOTAL MEM CACHED 48349 188.9 MB 5% of TOTAL MEM SLAB 10976 42.9 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 65824 257.1 MB 8% of TOTAL LIMIT +++three oldest UNINTERRUPTIBLE threads ... ran 3592s ago PID=4775 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_list_local+0xea #18 ldlm_bl_thread_main+0x988 #19 kthread+0xe4 #20 ret_from_fork_nospec_begin+0x7 ... ran 3592s ago PID=12958 CPU=0 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+0x421 #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 +-------------------------------+ >----------------------| 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 3731.9 eth0 n/a 0.2 RSS_TOTAL=78192 pages, %mem= 1.3 +++WARNING+++ Possible hang +++WARNING+++ Run 'hanginfo' to get more details +------------+ >-------------------------------| Mounted FS |-------------------------------< +------------+ MOUNT SUPERBLK TYPE DEVNAME DIRNAME ffff880138cca000 ffff880139940800 rootfs rootfs / ffff880137668380 ffff8800b7c2b800 sysfs sysfs /sys ffff880137668540 ffff880139944000 proc proc /proc ffff880137668700 ffff880137678000 devtmpfs devtmpfs /dev ffff8801376688c0 ffff8800b6d02000 securityfs securityfs /sys/kernel/security ffff880137668a80 ffff8800b7c2c000 tmpfs tmpfs /dev/shm ffff880137668c40 ffff8801372e6000 devpts devpts /dev/pts ffff880137668e00 ffff8800b7c2c800 tmpfs tmpfs /run ffff880137668fc0 ffff8800b7c2d000 tmpfs tmpfs /sys/fs/cgroup ffff880137669180 ffff8800b7c2d800 cgroup cgroup /sys/fs/cgroup/systemd ffff880137669340 ffff8800b7c2e000 pstore pstore /sys/fs/pstore ffff880137669500 ffff88012aad0000 cgroup cgroup /sys/fs/cgroup/cpu,cpuacct ffff8801376696c0 ffff88012aad0800 cgroup cgroup /sys/fs/cgroup/hugetlb ffff880137669880 ffff88012aad1000 cgroup cgroup /sys/fs/cgroup/pids ffff880137669a40 ffff88012aad1800 cgroup cgroup /sys/fs/cgroup/perf_event ffff880137669c00 ffff88012aad2000 cgroup cgroup /sys/fs/cgroup/freezer ffff880137669dc0 ffff88012aad2800 cgroup cgroup /sys/fs/cgroup/blkio ffff88012aaca000 ffff88012aad3000 cgroup cgroup /sys/fs/cgroup/memory ffff88012aaca1c0 ffff88012aad3800 cgroup cgroup /sys/fs/cgroup/net_cls,net_prio ffff88012aaca380 ffff88012aad4000 cgroup cgroup /sys/fs/cgroup/cpuset ffff88012aaca540 ffff88012aad4800 cgroup cgroup /sys/fs/cgroup/devices ffff8800b6d6e1c0 ffff88012ab65800 configfs configfs /sys/kernel/config ffff8800b6d6e540 ffff88012ab60800 ext4 /dev/nbd0 / ffff88012aacb880 ffff88012ab67000 rpc_pipefs rpc_pipefs /var/lib/nfs/rpc_pipefs ffff88012b23cc40 ffff88012aad6800 autofs systemd-1 /proc/sys/fs/binfmt_misc ffff88012b23ce00 ffff8800b6cb1800 hugetlbfs hugetlbfs /dev/hugepages ffff88012b23cfc0 ffff8801372e7800 mqueue mqueue /dev/mqueue ffff88012b23d180 ffff880139947800 debugfs debugfs /sys/kernel/debug ffff8800b6d6ec40 ffff8800b6f26000 binfmt_misc binfmt_misc /proc/sys/fs/binfmt_misc/ ffff88012b23d340 ffff8800b611a800 ramfs none /mnt ffff880138ccb340 ffff8800b611e800 tmpfs none /var/lib/stateless/writable ffff8800b6d6ee00 ffff88012ab63800 squashfs /dev/vda /home/green/git/lustre-release ffff8800b6d6efc0 ffff8800b611e800 tmpfs none /var/cache/man ffff88012aacbc00 ffff8800b611e800 tmpfs none /var/log ffff880138ccb500 ffff8800b611e800 tmpfs none /var/lib/dbus ffff88012aacbdc0 ffff8800b611e800 tmpfs none /tmp ffff88012b842000 ffff8800b611e800 tmpfs none /var/lib/dhclient ffff88012b8421c0 ffff8800b611e800 tmpfs none /var/tmp ffff8800b6d6f180 ffff8800b611e800 tmpfs none /var/lib/NetworkManager ffff88012b842380 ffff8800b611e800 tmpfs none /var/lib/systemd/random-seed ffff880138ccb6c0 ffff8800b611e800 tmpfs none /var/spool ffff88012b842540 ffff8800b611e800 tmpfs none /var/lib/nfs ffff88012b842700 ffff8800b611e800 tmpfs none /var/lib/gssproxy ffff8800b6d6f340 ffff8800b611e800 tmpfs none /var/lib/logrotate ffff880138ccb880 ffff8800b611e800 tmpfs none /etc ffff880138ccba40 ffff8800b611e800 tmpfs none /var/lib/rsyslog ffff88012b23d500 ffff8800b611e800 tmpfs none /var/lib/dhclient/var/lib/dhclient ffff88012b23d6c0 ffff8800b586a800 nfs4 192.168.200.253:/exports/state/oleg248-client.virtnet /var/lib/stateless/state ffff8800b6d6f6c0 ffff8800b586a800 nfs4 192.168.200.253:/exports/state/oleg248-client.virtnet /boot ffff8800b6d6f880 ffff8800b586a800 nfs4 192.168.200.253:/exports/state/oleg248-client.virtnet /etc/etc/kdump.conf ffff88012b8428c0 ffff88012ab67000 rpc_pipefs sunrpc /var/lib/nfs/var/lib/nfs/rpc_pipefs ffff8800b5b78380 ffff8800b3a59800 nfs4 192.168.200.253://exports/testreports/42551/testresults/sanity-quota-zfs-centos7_x86_64-centos7_x86_64 /tmp/tmp/testlogs ffff88012eacc540 ffff8800b6327800 tmpfs tmpfs /run/user/0 ffff88012b842e00 ffff88012ab63800 squashfs /dev/vda /usr/sbin/mount.lustre ffff88012eacc700 ffff8800b6326000 lustre 192.168.202.148@tcp:/lustre /mnt/lustre +-------------------------------+ >----------------------| Last 40 lines of dmesg buffer |----------------------< +-------------------------------+ [ 841.132020] [] __lock_page+0x74/0x90 [ 841.133454] [] ? wake_bit_function+0x40/0x40 [ 841.134964] [] __find_lock_page+0x66/0x80 [ 841.137154] [] find_lock_page+0xe/0x20 [ 841.138430] [] truncate_inode_pages_range+0x4d9/0x7d0 [ 841.140604] [] osc_discard_cb+0x20a/0x2a0 [osc] [ 841.141844] [] osc_page_gang_lookup+0x20f/0x4e0 [osc] [ 841.143735] [] ? osc_consume_write_grant+0xe0/0xe0 [osc] [ 841.146915] [] osc_lock_discard_pages+0x16a/0x30f [osc] [ 841.149735] [] osc_ldlm_blocking_ast+0x35d/0x670 [osc] [ 841.152394] [] ldlm_cancel_callback+0x84/0x320 [ptlrpc] [ 841.154914] [] ldlm_cli_cancel_local+0xb2/0x460 [ptlrpc] [ 841.156875] [] ldlm_cli_cancel_list_local+0xea/0x270 [ptlrpc] [ 841.158777] [] ldlm_bl_thread_main+0x988/0xb40 [ptlrpc] [ 841.160630] [] ? _raw_spin_unlock_irq+0xe/0x30 [ 841.162290] [] ? wake_up_atomic_t+0x30/0x30 [ 841.163792] [] ? ldlm_handle_bl_callback+0x3e0/0x3e0 [ptlrpc] [ 841.165809] [] kthread+0xe4/0xf0 [ 841.166957] [] ? kthread_create_on_node+0x140/0x140 [ 841.168793] [] ret_from_fork_nospec_begin+0x7/0x21 [ 841.170520] [] ? kthread_create_on_node+0x140/0x140 [ 841.171901] INFO: task lctl:12958 blocked for more than 120 seconds. [ 841.173811] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 841.175406] lctl D ffff8800b6315b48 14200 12958 11954 0x00000000 [ 841.177990] Call Trace: [ 841.179035] [] schedule+0x29/0x70 [ 841.180187] [] schedule_timeout+0x209/0x290 [ 841.181603] [] wait_for_completion+0xfc/0x140 [ 841.183067] [] ? wake_up_state+0x20/0x20 [ 841.184658] [] __ldlm_bl_to_thread+0xfd/0x240 [ptlrpc] [ 841.186175] [] ldlm_bl_to_thread+0x421/0x570 [ptlrpc] [ 841.187858] [] ldlm_bl_to_thread_list+0x19/0x20 [ptlrpc] [ 841.189490] [] ldlm_cancel_lru+0x7e/0x1a0 [ptlrpc] [ 841.190861] [] lru_size_store+0x67/0x430 [ptlrpc] [ 841.192439] [] lustre_attr_store+0x18/0x20 [obdclass] [ 841.194703] [] sysfs_kf_write+0x3d/0x50 [ 841.196635] [] kernfs_fop_write+0x100/0x180 [ 841.197847] [] vfs_write+0xd6/0x230 [ 841.199020] [] SyS_write+0x7f/0xf0 [ 841.200473] [] 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 10.29s (real) 5.36s (CPU), Child processes: 4.91s