************************ crashinfo ************************* /exports/testreports/42551/testresults/sanity-slow-ldiskfs-DNE-centos7_x86_64-centos7_x86_64/oleg335-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.aLy8x/vmlinux [TAINTED] DUMPFILE: /exports/testreports/42551/testresults/sanity-slow-ldiskfs-DNE-centos7_x86_64-centos7_x86_64/oleg335-client-timeout-core [PARTIAL DUMP] CPUS: 4 DATE: Wed May 8 19:18:05 EDT 2024 UPTIME: 01:17:16 LOAD AVERAGE: 3.00, 2.99, 2.95 TASKS: 159 NODENAME: oleg335-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 27 last 60s 34 ----- Total Numbers of Threads per State ------ TASK_INTERRUPTIBLE 152 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 ----- -------------- ------ ---------------------------- 481 kworker/2:2 0 ms (no user stack) 28 watchdog/3 0 ms (no user stack) 14 watchdog/1 0 ms (no user stack) 13158 ldlm_bl_05 0 ms (no user stack) 1998 lnet_discovery 108 ms (no user stack) +------------------------+ >-------------------------| Memory Usage (kmem -i) |-------------------------< +------------------------+ PAGES TOTAL PERCENTAGE TOTAL MEM 955079 3.6 GB ---- FREE 838274 3.2 GB 87% of TOTAL MEM USED 116805 456.3 MB 12% of TOTAL MEM SHARED 12231 47.8 MB 1% of TOTAL MEM BUFFERS 5214 20.4 MB 0% of TOTAL MEM CACHED 62671 244.8 MB 6% of TOTAL MEM SLAB 11823 46.2 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 65381 255.4 MB 8% of TOTAL LIMIT +++three oldest UNINTERRUPTIBLE threads ... ran 3498s ago PID=15373 CPU=2 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=5360 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+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=5359 CPU=2 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 +-------------------------------+ >----------------------| 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 4634.3 eth0 n/a 0.8 RSS_TOTAL=91260 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 / ffff88012ab08000 ffff88012ab10000 sysfs sysfs /sys ffff88012ab081c0 ffff880139944000 proc proc /proc ffff88012ab08380 ffff880137678000 devtmpfs devtmpfs /dev ffff88012ab08540 ffff8800b6cbf800 securityfs securityfs /sys/kernel/security ffff88012ab08700 ffff88012ab10800 tmpfs tmpfs /dev/shm ffff88012ab088c0 ffff8801372ee000 devpts devpts /dev/pts ffff88012ab08a80 ffff88012ab11000 tmpfs tmpfs /run ffff88012ab08c40 ffff88012ab11800 tmpfs tmpfs /sys/fs/cgroup ffff88012ab08e00 ffff88012ab12000 cgroup cgroup /sys/fs/cgroup/systemd ffff88012ab08fc0 ffff88012ab12800 pstore pstore /sys/fs/pstore ffff88012ab09180 ffff88012ab14800 cgroup cgroup /sys/fs/cgroup/devices ffff88012ab09340 ffff88012ab14000 cgroup cgroup /sys/fs/cgroup/net_cls,net_prio ffff88012ab09500 ffff88012ab13800 cgroup cgroup /sys/fs/cgroup/cpu,cpuacct ffff88012ab096c0 ffff88012ab13000 cgroup cgroup /sys/fs/cgroup/cpuset ffff88012ab09880 ffff88012ab15000 cgroup cgroup /sys/fs/cgroup/pids ffff88012ab09a40 ffff88012ab15800 cgroup cgroup /sys/fs/cgroup/perf_event ffff88012ab09c00 ffff88012ab16000 cgroup cgroup /sys/fs/cgroup/hugetlb ffff88012ab09dc0 ffff88012ab16800 cgroup cgroup /sys/fs/cgroup/memory ffff88012aa4e000 ffff88012ab17000 cgroup cgroup /sys/fs/cgroup/freezer ffff88012aa4e1c0 ffff88012ab17800 cgroup cgroup /sys/fs/cgroup/blkio ffff880138ccb180 ffff88012aa17800 configfs configfs /sys/kernel/config ffff880137669500 ffff8800b5c0f800 ext4 /dev/nbd0 / ffff8801376696c0 ffff8800b6d1a000 rpc_pipefs rpc_pipefs /var/lib/nfs/rpc_pipefs ffff88012aa4ec40 ffff8800b6d1d000 autofs systemd-1 /proc/sys/fs/binfmt_misc ffff88012b248c40 ffff8801372ef800 mqueue mqueue /dev/mqueue ffff88012aa4ee00 ffff880139947800 debugfs debugfs /sys/kernel/debug ffff88012aa4efc0 ffff8800b6d1c800 hugetlbfs hugetlbfs /dev/hugepages ffff880138ccb340 ffff8800b623a800 binfmt_misc binfmt_misc /proc/sys/fs/binfmt_misc/ ffff88012aa4f340 ffff8800b6f63800 ramfs none /mnt ffff88012aa4f500 ffff8800b6d2b800 tmpfs none /var/lib/stateless/writable ffff88012aa4f6c0 ffff8800b6d2f800 squashfs /dev/vda /home/green/git/lustre-release ffff88012aa4f880 ffff8800b6d2b800 tmpfs none /var/cache/man ffff88012b248e00 ffff8800b6d2b800 tmpfs none /var/log ffff880137669a40 ffff8800b6d2b800 tmpfs none /var/lib/dbus ffff880137669c00 ffff8800b6d2b800 tmpfs none /tmp ffff880138ccb500 ffff8800b6d2b800 tmpfs none /var/lib/dhclient ffff880138ccb6c0 ffff8800b6d2b800 tmpfs none /var/tmp ffff880138ccb880 ffff8800b6d2b800 tmpfs none /var/lib/NetworkManager ffff880137669dc0 ffff8800b6d2b800 tmpfs none /var/lib/systemd/random-seed ffff880138ccba40 ffff8800b6d2b800 tmpfs none /var/spool ffff88012aa4fa40 ffff8800b6d2b800 tmpfs none /var/lib/nfs ffff880138ccbc00 ffff8800b6d2b800 tmpfs none /var/lib/gssproxy ffff88012b248fc0 ffff8800b6d2b800 tmpfs none /var/lib/logrotate ffff8800b3e2c000 ffff8800b6d2b800 tmpfs none /etc ffff8800b3e2c1c0 ffff8800b6d2b800 tmpfs none /var/lib/rsyslog ffff880138ccbdc0 ffff8800b6d2b800 tmpfs none /var/lib/dhclient/var/lib/dhclient ffff88012aa4fc00 ffff8800b6d2d000 nfs4 192.168.200.253:/exports/state/oleg335-client.virtnet /var/lib/stateless/state ffff88012aa4fdc0 ffff8800b6d2d000 nfs4 192.168.200.253:/exports/state/oleg335-client.virtnet /boot ffff88012aa4e8c0 ffff8800b6d2d000 nfs4 192.168.200.253:/exports/state/oleg335-client.virtnet /etc/etc/kdump.conf ffff88012aa4e700 ffff8800b6d1a000 rpc_pipefs sunrpc /var/lib/nfs/var/lib/nfs/rpc_pipefs ffff8800b3e2da40 ffff8800b6d61800 nfs4 192.168.200.253://exports/testreports/42551/testresults/sanity-slow-ldiskfs-DNE-centos7_x86_64-centos7_x86_64 /tmp/tmp/testlogs ffff8800b3ff9dc0 ffff8800b6374000 tmpfs tmpfs /run/user/0 ffff8800b3e2ddc0 ffff8800b6d2f800 squashfs /dev/vda /usr/sbin/mount.lustre ffff8800b010c8c0 ffff88012b2ad800 lustre 192.168.203.135@tcp:/lustre /mnt/lustre +-------------------------------+ >----------------------| Last 40 lines of dmesg buffer |----------------------< +-------------------------------+ [ 1561.318728] [] ret_from_fork_nospec_begin+0x7/0x21 [ 1561.320568] [] ? kthread_create_on_node+0x140/0x140 [ 1561.322619] INFO: task ldlm_bl_02:5360 blocked for more than 120 seconds. [ 1561.324501] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1561.326639] ldlm_bl_02 D ffff88012b711708 13200 5360 2 0x00000000 [ 1561.328542] Call Trace: [ 1561.329114] [] ? bit_wait+0x50/0x50 [ 1561.330488] [] schedule+0x29/0x70 [ 1561.331746] [] schedule_timeout+0x209/0x290 [ 1561.333315] [] ? string.isra.7+0x3b/0xf0 [ 1561.335091] [] ? kvm_clock_read+0x33/0x40 [ 1561.337242] [] ? kvm_clock_get_cycles+0x9/0x10 [ 1561.338687] [] ? bit_wait+0x50/0x50 [ 1561.339879] [] io_schedule_timeout+0xad/0x130 [ 1561.341215] [] io_schedule+0x18/0x20 [ 1561.342397] [] bit_wait_io+0x11/0x50 [ 1561.343763] [] __wait_on_bit_lock+0x5f/0xc0 [ 1561.345091] [] __lock_page+0x74/0x90 [ 1561.346501] [] ? wake_bit_function+0x40/0x40 [ 1561.347889] [] __find_lock_page+0x66/0x80 [ 1561.349458] [] find_lock_page+0xe/0x20 [ 1561.350691] [] truncate_inode_pages_range+0x4d9/0x7d0 [ 1561.352099] [] osc_discard_cb+0x20a/0x2a0 [osc] [ 1561.353479] [] osc_page_gang_lookup+0x20f/0x4e0 [osc] [ 1561.354903] [] ? osc_consume_write_grant+0xe0/0xe0 [osc] [ 1561.356404] [] osc_lock_discard_pages+0x16a/0x30f [osc] [ 1561.357874] [] osc_ldlm_blocking_ast+0x35d/0x670 [osc] [ 1561.359322] [] ldlm_cancel_callback+0x84/0x320 [ptlrpc] [ 1561.360891] [] ldlm_cli_cancel_local+0xb2/0x460 [ptlrpc] [ 1561.362264] [] ldlm_cli_cancel+0xd1/0x6f0 [ptlrpc] [ 1561.363937] [] osc_ldlm_blocking_ast+0x18a/0x670 [osc] [ 1561.365377] [] ldlm_handle_bl_callback+0xc5/0x3e0 [ptlrpc] [ 1561.366858] [] ldlm_bl_thread_main+0x5fc/0xb40 [ptlrpc] [ 1561.368124] [] ? _raw_spin_unlock_irq+0xe/0x30 [ 1561.369769] [] ? wake_up_atomic_t+0x30/0x30 [ 1561.371474] [] ? ldlm_handle_bl_callback+0x3e0/0x3e0 [ptlrpc] [ 1561.372980] [] kthread+0xe4/0xf0 [ 1561.374946] [] ? kthread_create_on_node+0x140/0x140 [ 1561.376493] [] ret_from_fork_nospec_begin+0x7/0x21 [ 1561.377878] [] ? 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 11.21s (real) 5.83s (CPU), Child processes: 5.36s