************************ crashinfo ************************* /exports/testreports/42551/testresults/sanityn-ldiskfs-DNE-centos7_x86_64-centos7_x86_64/oleg431-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.y7U1v/vmlinux [TAINTED] DUMPFILE: /exports/testreports/42551/testresults/sanityn-ldiskfs-DNE-centos7_x86_64-centos7_x86_64/oleg431-client-timeout-core [PARTIAL DUMP] CPUS: 4 DATE: Wed May 8 19:03:19 EDT 2024 UPTIME: 01:02:34 LOAD AVERAGE: 4.00, 4.00, 3.91 TASKS: 155 NODENAME: oleg431-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 10 last 5s 24 last 60s 32 ----- 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 ----- -------------- ------ ---------------------------- 34 rcuos/3 0 ms (no user stack) 914 in:imjournal 0 ms /usr/sbin/rsyslogd -n 9 rcu_sched 0 ms (no user stack) 1 systemd 2 ms /usr/lib/systemd/systemd --switched-root --system --deserialize 22 2005 lnet_discovery 133 ms (no user stack) +------------------------+ >-------------------------| Memory Usage (kmem -i) |-------------------------< +------------------------+ PAGES TOTAL PERCENTAGE TOTAL MEM 955079 3.6 GB ---- FREE 859622 3.3 GB 90% of TOTAL MEM USED 95457 372.9 MB 9% of TOTAL MEM SHARED 10402 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 10970 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 70103 273.8 MB 9% of TOTAL LIMIT +++three oldest UNINTERRUPTIBLE threads ... ran 3602s ago PID=15764 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 ... ran 3602s ago PID=5370 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_list_local+0xea #18 ldlm_bl_thread_main+0x988 #19 kthread+0xe4 #20 ret_from_fork_nospec_begin+0x7 ... ran 3602s ago PID=15763 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 -------------------- CLOSE 1 Interfaces Info --------------- How long ago (in seconds) interfaces transmitted/received? Name RX TX ---- ---------- --------- lo n/a 3752.1 eth0 n/a 1.2 RSS_TOTAL=71488 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 / ffff88012aad6000 ffff8800b6cbf000 sysfs sysfs /sys ffff88012aad61c0 ffff880139944000 proc proc /proc ffff88012aad6380 ffff880137678000 devtmpfs devtmpfs /dev ffff88012aad6540 ffff88012aa04800 securityfs securityfs /sys/kernel/security ffff88012aad6700 ffff8800b6cbf800 tmpfs tmpfs /dev/shm ffff88012aad68c0 ffff8801372e6000 devpts devpts /dev/pts ffff88012aad6a80 ffff88012aad8000 tmpfs tmpfs /run ffff88012aad6c40 ffff88012aad8800 tmpfs tmpfs /sys/fs/cgroup ffff88012aad6e00 ffff88012aad9000 cgroup cgroup /sys/fs/cgroup/systemd ffff88012aad6fc0 ffff88012aad9800 pstore pstore /sys/fs/pstore ffff88012aad7180 ffff88012aadb800 cgroup cgroup /sys/fs/cgroup/cpu,cpuacct ffff88012aad7340 ffff88012aadb000 cgroup cgroup /sys/fs/cgroup/cpuset ffff88012aad7500 ffff88012aada800 cgroup cgroup /sys/fs/cgroup/blkio ffff88012aad76c0 ffff88012aada000 cgroup cgroup /sys/fs/cgroup/memory ffff88012aad7880 ffff88012aadc000 cgroup cgroup /sys/fs/cgroup/net_cls,net_prio ffff88012aad7a40 ffff88012aadc800 cgroup cgroup /sys/fs/cgroup/pids ffff88012aad7c00 ffff88012aadd000 cgroup cgroup /sys/fs/cgroup/perf_event ffff88012aad7dc0 ffff88012aadd800 cgroup cgroup /sys/fs/cgroup/hugetlb ffff88012ab08000 ffff88012aade000 cgroup cgroup /sys/fs/cgroup/freezer ffff88012ab081c0 ffff88012aade800 cgroup cgroup /sys/fs/cgroup/devices ffff880138ccb6c0 ffff88012aa05000 configfs configfs /sys/kernel/config ffff88012ab08540 ffff8800b6ec6000 ext4 /dev/nbd0 / ffff88012ab08700 ffff8800b6ec1800 rpc_pipefs rpc_pipefs /var/lib/nfs/rpc_pipefs ffff88012ab08380 ffff8800b6286000 autofs systemd-1 /proc/sys/fs/binfmt_misc ffff880137669500 ffff880137148800 mqueue mqueue /dev/mqueue ffff8801376696c0 ffff880139947800 debugfs debugfs /sys/kernel/debug ffff88012ab088c0 ffff8800b6287000 hugetlbfs hugetlbfs /dev/hugepages ffff880138ccbc00 ffff88012a4d0000 binfmt_misc binfmt_misc /proc/sys/fs/binfmt_misc/ ffff88012b260c40 ffff8800b60c9000 ramfs none /mnt ffff88012ab08c40 ffff8800b6040000 tmpfs none /var/lib/stateless/writable ffff880138ccbdc0 ffff8800b6309800 squashfs /dev/vda /home/green/git/lustre-release ffff880138ccb180 ffff8800b6040000 tmpfs none /var/cache/man ffff8800b6e02000 ffff8800b6040000 tmpfs none /var/log ffff880137669a40 ffff8800b6040000 tmpfs none /var/lib/dbus ffff88012ab08e00 ffff8800b6040000 tmpfs none /tmp ffff88012ab08fc0 ffff8800b6040000 tmpfs none /var/lib/dhclient ffff88012b260e00 ffff8800b6040000 tmpfs none /var/tmp ffff88012ab09180 ffff8800b6040000 tmpfs none /var/lib/NetworkManager ffff88012b260fc0 ffff8800b6040000 tmpfs none /var/lib/systemd/random-seed ffff8800b6e021c0 ffff8800b6040000 tmpfs none /var/spool ffff880137669c00 ffff8800b6040000 tmpfs none /var/lib/nfs ffff88012b261180 ffff8800b6040000 tmpfs none /var/lib/gssproxy ffff88012b261340 ffff8800b6040000 tmpfs none /var/lib/logrotate ffff8800b6e02380 ffff8800b6040000 tmpfs none /etc ffff8800b6e02540 ffff8800b6040000 tmpfs none /var/lib/rsyslog ffff8800b6e02700 ffff8800b6040000 tmpfs none /var/lib/dhclient/var/lib/dhclient ffff880137669dc0 ffff8800b5ba6800 nfs4 192.168.200.253:/exports/state/oleg431-client.virtnet /var/lib/stateless/state ffff88012ab09340 ffff8800b5ba6800 nfs4 192.168.200.253:/exports/state/oleg431-client.virtnet /boot ffff8800b59c01c0 ffff8800b5ba6800 nfs4 192.168.200.253:/exports/state/oleg431-client.virtnet /etc/etc/kdump.conf ffff8800b59c0380 ffff8800b6ec1800 rpc_pipefs sunrpc /var/lib/nfs/var/lib/nfs/rpc_pipefs ffff8800b43e0700 ffff8800b3d22000 nfs4 192.168.200.253://exports/testreports/42551/testresults/sanityn-ldiskfs-DNE-centos7_x86_64-centos7_x86_64 /tmp/tmp/testlogs ffff8800b59a4380 ffff88013767f000 tmpfs tmpfs /run/user/0 ffff8800b43e01c0 ffff8800b6309800 squashfs /dev/vda /usr/sbin/mount.lustre ffff8800b59a4000 ffff8800b3d27800 lustre 192.168.204.131@tcp:/lustre /mnt/lustre ffff8800b43e0fc0 ffff8800aaecd000 lustre 192.168.204.131@tcp:/lustre /mnt/lustre2 +-------------------------------+ >----------------------| Last 40 lines of dmesg buffer |----------------------< +-------------------------------+ [ 601.203685] [] ? bit_wait+0x50/0x50 [ 601.205065] [] schedule+0x29/0x70 [ 601.206216] [] schedule_timeout+0x209/0x290 [ 601.207520] [] ? free_object+0x81/0xb0 [ 601.208785] [] ? kvm_clock_read+0x33/0x40 [ 601.210175] [] ? kvm_clock_get_cycles+0x9/0x10 [ 601.211698] [] ? bit_wait+0x50/0x50 [ 601.212875] [] io_schedule_timeout+0xad/0x130 [ 601.214261] [] io_schedule+0x18/0x20 [ 601.215418] [] bit_wait_io+0x11/0x50 [ 601.216693] [] __wait_on_bit_lock+0x5f/0xc0 [ 601.218013] [] __lock_page+0x74/0x90 [ 601.219219] [] ? wake_bit_function+0x40/0x40 [ 601.220539] [] __find_lock_page+0x66/0x80 [ 601.221816] [] find_lock_page+0xe/0x20 [ 601.223115] [] truncate_inode_pages_range+0x4d9/0x7d0 [ 601.224351] [] ? do_raw_spin_unlock+0x49/0x90 [ 601.226216] [] ? _raw_spin_unlock+0xe/0x20 [ 601.227582] [] ? cfs_trace_unlock_tcd+0x27/0x70 [libcfs] [ 601.229581] [] ? libcfs_debug_msg+0x6d4/0xc20 [libcfs] [ 601.231343] [] ? osc_cache_wait_range+0x389/0x940 [osc] [ 601.233440] [] ? cl_page_state_set+0x19/0x50 [obdclass] [ 601.235445] [] ? __cl_page_own+0xe9/0x390 [obdclass] [ 601.237358] [] osc_discard_cb+0x20a/0x2a0 [osc] [ 601.239066] [] osc_page_gang_lookup+0x20f/0x4e0 [osc] [ 601.241224] [] ? osc_consume_write_grant+0xe0/0xe0 [osc] [ 601.243289] [] osc_lock_discard_pages+0x16a/0x30f [osc] [ 601.244856] [] osc_ldlm_blocking_ast+0x35d/0x670 [osc] [ 601.247008] [] ldlm_cancel_callback+0x84/0x320 [ptlrpc] [ 601.248675] [] ? do_raw_spin_unlock+0x49/0x90 [ 601.250171] [] ldlm_cli_cancel_local+0xb2/0x460 [ptlrpc] [ 601.252083] [] ldlm_cli_cancel_list_local+0xea/0x270 [ptlrpc] [ 601.255096] [] ldlm_bl_thread_main+0x988/0xb40 [ptlrpc] [ 601.257665] [] ? _raw_spin_unlock_irq+0xe/0x30 [ 601.260251] [] ? wake_up_atomic_t+0x30/0x30 [ 601.261402] [] ? ldlm_handle_bl_callback+0x3e0/0x3e0 [ptlrpc] [ 601.263113] [] kthread+0xe4/0xf0 [ 601.263963] [] ? kthread_create_on_node+0x140/0x140 [ 601.265399] [] ret_from_fork_nospec_begin+0x7/0x21 [ 601.266685] [] ? 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 11.32s (real) 5.83s (CPU), Child processes: 5.48s