************************ crashinfo ************************* /exports/testreports/42551/testresults/sanity-pfl-zfs-centos7_x86_64-centos7_x86_64/oleg448-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.ZI86h/vmlinux [TAINTED] DUMPFILE: /exports/testreports/42551/testresults/sanity-pfl-zfs-centos7_x86_64-centos7_x86_64/oleg448-client-timeout-core [PARTIAL DUMP] CPUS: 4 DATE: Wed May 8 19:03:50 EDT 2024 UPTIME: 01:03:00 LOAD AVERAGE: 2.00, 1.99, 1.95 TASKS: 155 NODENAME: oleg448-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 26 last 60s 34 ----- Total Numbers of Threads per State ------ TASK_INTERRUPTIBLE 149 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 ----- -------------- ------ ---------------------------- 13 watchdog/0 0 ms (no user stack) 14 watchdog/1 0 ms (no user stack) 21 watchdog/2 0 ms (no user stack) 28 watchdog/3 0 ms (no user stack) 1958 lnet_discovery 25 ms (no user stack) +------------------------+ >-------------------------| Memory Usage (kmem -i) |-------------------------< +------------------------+ PAGES TOTAL PERCENTAGE TOTAL MEM 955079 3.6 GB ---- FREE 855797 3.3 GB 89% of TOTAL MEM USED 99282 387.8 MB 10% of TOTAL MEM SHARED 10173 39.7 MB 1% of TOTAL MEM BUFFERS 5189 20.3 MB 0% of TOTAL MEM CACHED 46423 181.3 MB 4% of TOTAL MEM SLAB 12657 49.4 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 61572 240.5 MB 8% of TOTAL LIMIT +++three oldest UNINTERRUPTIBLE threads ... ran 3602s ago PID=16135 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 3602s ago PID=5283 CPU=2 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 mdc_lock_flush+0x19f #14 mdc_dlm_canceling+0x101 #15 mdc_ldlm_blocking_ast+0x6d #16 ldlm_cancel_callback+0x84 #17 ldlm_cli_cancel_local+0xb2 #18 ldlm_cli_cancel+0xd1 #19 mdc_ldlm_blocking_ast+0x11a #20 ldlm_handle_bl_callback+0xc5 #21 ldlm_bl_thread_main+0x5fc #22 kthread+0xe4 #23 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 -------------------- ESTABLISHED 1 Interfaces Info --------------- How long ago (in seconds) interfaces transmitted/received? Name RX TX ---- ---------- --------- lo n/a 3777.7 eth0 n/a 1.2 RSS_TOTAL=75368 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 / ffff880137668380 ffff8800b6cc6800 sysfs sysfs /sys ffff880137668540 ffff880139944000 proc proc /proc ffff880137668700 ffff880137678000 devtmpfs devtmpfs /dev ffff8801376688c0 ffff880137027800 securityfs securityfs /sys/kernel/security ffff880137668a80 ffff8800b6cc7000 tmpfs tmpfs /dev/shm ffff880137668c40 ffff88013771f000 devpts devpts /dev/pts ffff880137668e00 ffff8800b6cc7800 tmpfs tmpfs /run ffff880137668fc0 ffff88012aa68000 tmpfs tmpfs /sys/fs/cgroup ffff880137669180 ffff88012aa68800 cgroup cgroup /sys/fs/cgroup/systemd ffff880137669340 ffff88012aa69000 pstore pstore /sys/fs/pstore ffff880137669500 ffff88012aa6b000 cgroup cgroup /sys/fs/cgroup/pids ffff8801376696c0 ffff88012aa6a800 cgroup cgroup /sys/fs/cgroup/perf_event ffff880137669880 ffff88012aa6a000 cgroup cgroup /sys/fs/cgroup/devices ffff880137669a40 ffff88012aa69800 cgroup cgroup /sys/fs/cgroup/freezer ffff880137669c00 ffff88012aa6b800 cgroup cgroup /sys/fs/cgroup/hugetlb ffff880137669dc0 ffff88012aa6c000 cgroup cgroup /sys/fs/cgroup/blkio ffff88012aaf2000 ffff88012aa6c800 cgroup cgroup /sys/fs/cgroup/net_cls,net_prio ffff88012aaf21c0 ffff88012aa6d000 cgroup cgroup /sys/fs/cgroup/memory ffff88012aaf2380 ffff88012aa6d800 cgroup cgroup /sys/fs/cgroup/cpu,cpuacct ffff88012aaf2540 ffff88012aa6e000 cgroup cgroup /sys/fs/cgroup/cpuset ffff880138ccb880 ffff8800b6cbb800 configfs configfs /sys/kernel/config ffff8800b60661c0 ffff88013731b000 ext4 /dev/nbd0 / ffff8801377f28c0 ffff8800b6cbf800 rpc_pipefs rpc_pipefs /var/lib/nfs/rpc_pipefs ffff8800b6066380 ffff8800b62d5000 autofs systemd-1 /proc/sys/fs/binfmt_misc ffff8801377f2fc0 ffff88012a60d000 hugetlbfs hugetlbfs /dev/hugepages ffff8800b629ca80 ffff88012b2a0800 mqueue mqueue /dev/mqueue ffff8801377f3180 ffff880139947800 debugfs debugfs /sys/kernel/debug ffff8801377f3340 ffff8800b6003000 binfmt_misc binfmt_misc /proc/sys/fs/binfmt_misc/ ffff88012aaf28c0 ffff88012a5d6800 ramfs none /mnt ffff88012aaf2a80 ffff8800b7b3f800 tmpfs none /var/lib/stateless/writable ffff8801377f3500 ffff88013731d800 squashfs /dev/vda /home/green/git/lustre-release ffff8800b6066540 ffff8800b7b3f800 tmpfs none /var/cache/man ffff8800b629ce00 ffff8800b7b3f800 tmpfs none /var/log ffff88012aaf2c40 ffff8800b7b3f800 tmpfs none /var/lib/dbus ffff8801377f36c0 ffff8800b7b3f800 tmpfs none /tmp ffff88012aaf2e00 ffff8800b7b3f800 tmpfs none /var/lib/dhclient ffff88012aaf2fc0 ffff8800b7b3f800 tmpfs none /var/tmp ffff8801377f3880 ffff8800b7b3f800 tmpfs none /var/lib/NetworkManager ffff88012aaf3180 ffff8800b7b3f800 tmpfs none /var/lib/systemd/random-seed ffff88012aaf3340 ffff8800b7b3f800 tmpfs none /var/spool ffff8801377f3a40 ffff8800b7b3f800 tmpfs none /var/lib/nfs ffff88012aaf3500 ffff8800b7b3f800 tmpfs none /var/lib/gssproxy ffff88012aaf36c0 ffff8800b7b3f800 tmpfs none /var/lib/logrotate ffff8800b629cfc0 ffff8800b7b3f800 tmpfs none /etc ffff88012aaf3880 ffff8800b7b3f800 tmpfs none /var/lib/rsyslog ffff8801377f3c00 ffff8800b7b3f800 tmpfs none /var/lib/dhclient/var/lib/dhclient ffff8801377f3dc0 ffff8800b61bb000 nfs4 192.168.200.253:/exports/state/oleg448-client.virtnet /var/lib/stateless/state ffff88012aaf3a40 ffff8800b61bb000 nfs4 192.168.200.253:/exports/state/oleg448-client.virtnet /boot ffff88012aaf3c00 ffff8800b61bb000 nfs4 192.168.200.253:/exports/state/oleg448-client.virtnet /etc/etc/kdump.conf ffff88012aaf3dc0 ffff8800b6cbf800 rpc_pipefs sunrpc /var/lib/nfs/var/lib/nfs/rpc_pipefs ffff88012e8896c0 ffff8800b6390800 nfs4 192.168.200.253://exports/testreports/42551/testresults/sanity-pfl-zfs-centos7_x86_64-centos7_x86_64 /tmp/tmp/testlogs ffff88012e889a40 ffff8800b6007000 tmpfs tmpfs /run/user/0 ffff8800b39621c0 ffff88013731d800 squashfs /dev/vda /usr/sbin/mount.lustre ffff8800b629c000 ffff88012a60c000 lustre 192.168.204.148@tcp:/lustre /mnt/lustre +-------------------------------+ >----------------------| Last 40 lines of dmesg buffer |----------------------< +-------------------------------+ [ 841.245497] [] mdc_ldlm_blocking_ast+0x11a/0x1a0 [mdc] [ 841.248169] [] ldlm_handle_bl_callback+0xc5/0x3e0 [ptlrpc] [ 841.250753] [] ldlm_bl_thread_main+0x5fc/0xb40 [ptlrpc] [ 841.253273] [] ? _raw_spin_unlock_irq+0xe/0x30 [ 841.255377] [] ? wake_up_atomic_t+0x30/0x30 [ 841.257553] [] ? ldlm_handle_bl_callback+0x3e0/0x3e0 [ptlrpc] [ 841.260308] [] kthread+0xe4/0xf0 [ 841.262163] [] ? kthread_create_on_node+0x140/0x140 [ 841.264371] [] ret_from_fork_nospec_begin+0x7/0x21 [ 841.266492] [] ? kthread_create_on_node+0x140/0x140 [ 841.268615] INFO: task rm:16135 blocked for more than 120 seconds. [ 841.270643] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 841.272959] rm D ffff8800aa69a818 12736 16135 15959 0x00000000 [ 841.275234] Call Trace: [ 841.275971] [] ? bit_wait+0x50/0x50 [ 841.277471] [] schedule+0x29/0x70 [ 841.278941] [] schedule_timeout+0x209/0x290 [ 841.280510] [] ? free_pages_prepare+0x200/0x290 [ 841.282174] [] ? debug_object_active_state+0x15b/0x190 [ 841.284069] [] ? kvm_clock_read+0x33/0x40 [ 841.285632] [] ? kvm_clock_get_cycles+0x9/0x10 [ 841.287331] [] ? ktime_get_ts64+0x4c/0xf0 [ 841.288950] [] ? bit_wait+0x50/0x50 [ 841.290336] [] io_schedule_timeout+0xad/0x130 [ 841.291866] [] io_schedule+0x18/0x20 [ 841.293177] [] bit_wait_io+0x11/0x50 [ 841.294465] [] __wait_on_bit_lock+0x5f/0xc0 [ 841.295936] [] ? __find_get_pages+0x132/0x1f0 [ 841.297334] [] __lock_page+0x74/0x90 [ 841.298580] [] ? wake_bit_function+0x40/0x40 [ 841.299905] [] truncate_inode_pages_range+0x79a/0x7d0 [ 841.301493] [] truncate_inode_pages_final+0x4c/0x60 [ 841.302883] [] ll_truncate_inode_pages_final+0x30/0x1f0 [lustre] [ 841.304448] [] ll_delete_inode+0x38/0x150 [lustre] [ 841.305924] [] evict+0xaf/0x180 [ 841.307001] [] iput+0xf5/0x180 [ 841.308105] [] do_unlinkat+0x1ae/0x2b0 [ 841.309366] [] ? trace_do_page_fault+0x56/0x170 [ 841.310680] [] SyS_unlinkat+0x1b/0x40 [ 841.311831] [] 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 11.22s (real) 5.79s (CPU), Child processes: 5.39s