************************ crashinfo ************************* /exports/testreports/42551/testresults/sanityn-zfs-centos7_x86_64-centos7_x86_64/oleg212-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.dohVH/vmlinux [TAINTED] DUMPFILE: /exports/testreports/42551/testresults/sanityn-zfs-centos7_x86_64-centos7_x86_64/oleg212-client-timeout-core [PARTIAL DUMP] CPUS: 4 DATE: Wed May 8 19:02:44 EDT 2024 UPTIME: 01:01:58 LOAD AVERAGE: 4.00, 4.00, 3.92 TASKS: 155 NODENAME: oleg212-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 26 last 60s 34 ----- Total Numbers of Threads per State ------ TASK_INTERRUPTIBLE 147 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 ----- -------------- ------ ---------------------------- 14540 ldlm_bl_04 0 ms (no user stack) 46 kworker/0:1 0 ms (no user stack) 822 gmain 195 ms /usr/sbin/NetworkManager --no-daemon 20 rcuos/1 300 ms (no user stack) 911 in:imjournal 361 ms /usr/sbin/rsyslogd -n +------------------------+ >-------------------------| Memory Usage (kmem -i) |-------------------------< +------------------------+ PAGES TOTAL PERCENTAGE TOTAL MEM 955079 3.6 GB ---- FREE 859944 3.3 GB 90% of TOTAL MEM USED 95135 371.6 MB 9% of TOTAL MEM SHARED 10396 40.6 MB 1% of TOTAL MEM BUFFERS 5136 20.1 MB 0% of TOTAL MEM CACHED 46921 183.3 MB 4% of TOTAL MEM SLAB 11029 43.1 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 70092 273.8 MB 9% of TOTAL LIMIT +++three oldest UNINTERRUPTIBLE threads ... ran 3603s ago PID=14538 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 3603s ago PID=5277 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 3603s ago PID=14537 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+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 +-------------------------------+ >----------------------| 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 3716.5 eth0 n/a 0.0 RSS_TOTAL=75604 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 / ffff88012aac4000 ffff88012aab8000 sysfs sysfs /sys ffff88012aac41c0 ffff880139944000 proc proc /proc ffff88012aac4380 ffff880137678000 devtmpfs devtmpfs /dev ffff88012aac4540 ffff880137679000 securityfs securityfs /sys/kernel/security ffff88012aac4700 ffff88012aab8800 tmpfs tmpfs /dev/shm ffff88012aac48c0 ffff880137159800 devpts devpts /dev/pts ffff88012aac4a80 ffff88012aab9000 tmpfs tmpfs /run ffff88012aac4c40 ffff88012aab9800 tmpfs tmpfs /sys/fs/cgroup ffff88012aac4e00 ffff88012aaba000 cgroup cgroup /sys/fs/cgroup/systemd ffff88012aac4fc0 ffff88012aaba800 pstore pstore /sys/fs/pstore ffff88012aac5180 ffff88012aabc800 cgroup cgroup /sys/fs/cgroup/memory ffff88012aac5340 ffff88012aabc000 cgroup cgroup /sys/fs/cgroup/pids ffff88012aac5500 ffff88012aabb800 cgroup cgroup /sys/fs/cgroup/devices ffff88012aac56c0 ffff88012aabb000 cgroup cgroup /sys/fs/cgroup/cpu,cpuacct ffff88012aac5880 ffff88012aabd000 cgroup cgroup /sys/fs/cgroup/net_cls,net_prio ffff88012aac5a40 ffff88012aabd800 cgroup cgroup /sys/fs/cgroup/blkio ffff88012aac5c00 ffff88012aabe000 cgroup cgroup /sys/fs/cgroup/freezer ffff88012aac5dc0 ffff88012aabe800 cgroup cgroup /sys/fs/cgroup/cpuset ffff88012ab28000 ffff88012aabf000 cgroup cgroup /sys/fs/cgroup/hugetlb ffff88012ab281c0 ffff88012aabf800 cgroup cgroup /sys/fs/cgroup/perf_event ffff8800b6e7c000 ffff8800b73de000 configfs configfs /sys/kernel/config ffff88012ab28380 ffff8800b6d03800 ext4 /dev/nbd0 / ffff88012ab28540 ffff88013767c000 rpc_pipefs rpc_pipefs /var/lib/nfs/rpc_pipefs ffff8800b595efc0 ffff8800b6d00800 autofs systemd-1 /proc/sys/fs/binfmt_misc ffff8800b6e7c1c0 ffff88013715b000 mqueue mqueue /dev/mqueue ffff88012ab28c40 ffff880139947800 debugfs debugfs /sys/kernel/debug ffff880137668700 ffff8800b60ab800 hugetlbfs hugetlbfs /dev/hugepages ffff88012ab28e00 ffff88012a600000 binfmt_misc binfmt_misc /proc/sys/fs/binfmt_misc/ ffff88012ab28fc0 ffff88012ab37800 ramfs none /mnt ffff8800b6e7c380 ffff8800b5917000 tmpfs none /var/lib/stateless/writable ffff8800b6e7c540 ffff8800b5913800 squashfs /dev/vda /home/green/git/lustre-release ffff8800b595f500 ffff8800b5917000 tmpfs none /var/cache/man ffff8800b6e7c700 ffff8800b5917000 tmpfs none /var/log ffff88012ab29180 ffff8800b5917000 tmpfs none /var/lib/dbus ffff8801376688c0 ffff8800b5917000 tmpfs none /tmp ffff88012ab29340 ffff8800b5917000 tmpfs none /var/lib/dhclient ffff8800b6e7c8c0 ffff8800b5917000 tmpfs none /var/tmp ffff88012ab29500 ffff8800b5917000 tmpfs none /var/lib/NetworkManager ffff8800b595f6c0 ffff8800b5917000 tmpfs none /var/lib/systemd/random-seed ffff8800b595f880 ffff8800b5917000 tmpfs none /var/spool ffff88012ab296c0 ffff8800b5917000 tmpfs none /var/lib/nfs ffff8800b6e7ca80 ffff8800b5917000 tmpfs none /var/lib/gssproxy ffff88012ab29880 ffff8800b5917000 tmpfs none /var/lib/logrotate ffff88012ab29a40 ffff8800b5917000 tmpfs none /etc ffff88012ab29c00 ffff8800b5917000 tmpfs none /var/lib/rsyslog ffff88012ab29dc0 ffff8800b5917000 tmpfs none /var/lib/dhclient/var/lib/dhclient ffff880137668a80 ffff8800b58f9000 nfs4 192.168.200.253:/exports/state/oleg212-client.virtnet /var/lib/stateless/state ffff88012ab28a80 ffff8800b58f9000 nfs4 192.168.200.253:/exports/state/oleg212-client.virtnet /boot ffff88012ab288c0 ffff8800b58f9000 nfs4 192.168.200.253:/exports/state/oleg212-client.virtnet /etc/etc/kdump.conf ffff880137668e00 ffff88013767c000 rpc_pipefs sunrpc /var/lib/nfs/var/lib/nfs/rpc_pipefs ffff8800b46c3180 ffff8800b01bd000 nfs4 192.168.200.253://exports/testreports/42551/testresults/sanityn-zfs-centos7_x86_64-centos7_x86_64 /tmp/tmp/testlogs ffff8800b6e7d500 ffff88013767a000 tmpfs tmpfs /run/user/0 ffff8800b46c3500 ffff8800b5913800 squashfs /dev/vda /usr/sbin/mount.lustre ffff8800b0084380 ffff8800aa4c5800 lustre 192.168.202.112@tcp:/lustre /mnt/lustre ffff8800b46c3dc0 ffff8800aa007000 lustre 192.168.202.112@tcp:/lustre /mnt/lustre2 +-------------------------------+ >----------------------| Last 40 lines of dmesg buffer |----------------------< +-------------------------------+ [ 481.120024] [] ? ldlm_handle_bl_callback+0x3e0/0x3e0 [ptlrpc] [ 481.121569] [] kthread+0xe4/0xf0 [ 481.122697] [] ? kthread_create_on_node+0x140/0x140 [ 481.124025] [] ret_from_fork_nospec_begin+0x7/0x21 [ 481.125356] [] ? kthread_create_on_node+0x140/0x140 [ 481.126768] INFO: task ldlm_bl_03:5277 blocked for more than 120 seconds. [ 481.128310] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 481.130448] ldlm_bl_03 D ffff8800ab8505f8 12832 5277 2 0x00000000 [ 481.132912] Call Trace: [ 481.133407] [] ? bit_wait+0x50/0x50 [ 481.134589] [] schedule+0x29/0x70 [ 481.135557] [] schedule_timeout+0x209/0x290 [ 481.137439] [] ? kvm_clock_read+0x33/0x40 [ 481.139514] [] ? kvm_clock_get_cycles+0x9/0x10 [ 481.140827] [] ? bit_wait+0x50/0x50 [ 481.142289] [] io_schedule_timeout+0xad/0x130 [ 481.143538] [] io_schedule+0x18/0x20 [ 481.144564] [] bit_wait_io+0x11/0x50 [ 481.146218] [] __wait_on_bit_lock+0x5f/0xc0 [ 481.147951] [] __lock_page+0x74/0x90 [ 481.149383] [] ? wake_bit_function+0x40/0x40 [ 481.150515] [] __find_lock_page+0x66/0x80 [ 481.152127] [] find_lock_page+0xe/0x20 [ 481.153419] [] truncate_inode_pages_range+0x4d9/0x7d0 [ 481.155482] [] osc_discard_cb+0x20a/0x2a0 [osc] [ 481.156709] [] osc_page_gang_lookup+0x20f/0x4e0 [osc] [ 481.158030] [] ? osc_consume_write_grant+0xe0/0xe0 [osc] [ 481.159440] [] osc_lock_discard_pages+0x16a/0x30f [osc] [ 481.161250] [] osc_ldlm_blocking_ast+0x35d/0x670 [osc] [ 481.163370] [] ldlm_cancel_callback+0x84/0x320 [ptlrpc] [ 481.165282] [] ldlm_cli_cancel_local+0xb2/0x460 [ptlrpc] [ 481.167314] [] ldlm_cli_cancel_list_local+0xea/0x270 [ptlrpc] [ 481.169476] [] ldlm_bl_thread_main+0x988/0xb40 [ptlrpc] [ 481.172120] [] ? _raw_spin_unlock_irq+0xe/0x30 [ 481.173757] [] ? wake_up_atomic_t+0x30/0x30 [ 481.175475] [] ? ldlm_handle_bl_callback+0x3e0/0x3e0 [ptlrpc] [ 481.177347] [] kthread+0xe4/0xf0 [ 481.178663] [] ? kthread_create_on_node+0x140/0x140 [ 481.180408] [] ret_from_fork_nospec_begin+0x7/0x21 [ 481.181984] [] ? 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 10.99s (real) 5.70s (CPU), Child processes: 5.27s