************************ crashinfo ************************* /exports/testreports/47154/testresults/conf-sanity2-ldiskfs-DNE-centos7_x86_64-centos7_x86_64/oleg355-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.o2zgb/vmlinux [TAINTED] DUMPFILE: /exports/testreports/47154/testresults/conf-sanity2-ldiskfs-DNE-centos7_x86_64-centos7_x86_64/oleg355-client-timeout-core [PARTIAL DUMP] CPUS: 4 DATE: Wed Nov 13 13:29:50 EST 2024 UPTIME: 01:22:40 LOAD AVERAGE: 1.00, 0.99, 0.95 TASKS: 150 NODENAME: oleg355-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 25 last 60s 34 ----- Total Numbers of Threads per State ------ TASK_INTERRUPTIBLE 145 TASK_RUNNING 1 TASK_UNINTERRUPTIBLE 1 +++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 ----- -------------- ------ ---------------------------- 29775 lnet_discovery 0 ms (no user stack) 21 watchdog/2 0 ms (no user stack) 9 rcu_sched 0 ms (no user stack) 28 watchdog/3 0 ms (no user stack) 14 watchdog/1 6 ms (no user stack) +------------------------+ >-------------------------| Memory Usage (kmem -i) |-------------------------< +------------------------+ PAGES TOTAL PERCENTAGE TOTAL MEM 955079 3.6 GB ---- FREE 856501 3.3 GB 89% of TOTAL MEM USED 98578 385.1 MB 10% of TOTAL MEM SHARED 10754 42 MB 1% of TOTAL MEM BUFFERS 5313 20.8 MB 0% of TOTAL MEM CACHED 46986 183.5 MB 4% of TOTAL MEM SLAB 10944 42.8 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 67941 265.4 MB 9% of TOTAL LIMIT +++three oldest UNINTERRUPTIBLE threads ... ran 3544s ago PID=2521 CPU=0 CMD=umount #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 dispose_list+0x3e #14 evict_inodes+0x161 #15 generic_shutdown_super+0x37 #16 kill_anon_super+0x12 #17 lustre_kill_super+0x2b #18 deactivate_locked_super+0x49 #19 deactivate_super+0x46 #20 cleanup_mnt+0x3f #21 __cleanup_mnt+0x12 #22 task_work_run+0xb5 #23 do_notify_resume+0x92 #24 int_signal+0x12, 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 4957.9 eth0 n/a 1.1 RSS_TOTAL=103096 pages, %mem= 1.7 +++WARNING+++ Run 'hanginfo' to get more details +------------+ >-------------------------------| Mounted FS |-------------------------------< +------------+ MOUNT SUPERBLK TYPE DEVNAME DIRNAME ffff880138cca000 ffff880139940800 rootfs rootfs / ffff880137668380 ffff88013767b800 sysfs sysfs /sys ffff880137668540 ffff880139944000 proc proc /proc ffff880137668700 ffff880137678000 devtmpfs devtmpfs /dev ffff8801376688c0 ffff8800b6d20000 securityfs securityfs /sys/kernel/security ffff880137668a80 ffff88013767c000 tmpfs tmpfs /dev/shm ffff880137668c40 ffff880137304000 devpts devpts /dev/pts ffff880137668e00 ffff88013767c800 tmpfs tmpfs /run ffff880137668fc0 ffff88013767d000 tmpfs tmpfs /sys/fs/cgroup ffff880137669180 ffff88013767d800 cgroup cgroup /sys/fs/cgroup/systemd ffff880137669340 ffff88013767e000 pstore pstore /sys/fs/pstore ffff880137669500 ffff88012aab8000 cgroup cgroup /sys/fs/cgroup/hugetlb ffff8801376696c0 ffff88012aab8800 cgroup cgroup /sys/fs/cgroup/memory ffff880137669880 ffff88012aab9000 cgroup cgroup /sys/fs/cgroup/net_cls,net_prio ffff880137669a40 ffff88012aab9800 cgroup cgroup /sys/fs/cgroup/blkio ffff880137669c00 ffff88012aaba000 cgroup cgroup /sys/fs/cgroup/cpuset ffff880137669dc0 ffff88012aaba800 cgroup cgroup /sys/fs/cgroup/cpu,cpuacct ffff88012aa7a000 ffff88012aabb000 cgroup cgroup /sys/fs/cgroup/perf_event ffff88012aa7a1c0 ffff88012aabb800 cgroup cgroup /sys/fs/cgroup/freezer ffff88012aa7a380 ffff88012aabc000 cgroup cgroup /sys/fs/cgroup/pids ffff88012aa7a540 ffff88012aabc800 cgroup cgroup /sys/fs/cgroup/devices ffff88012aa7a700 ffff88012aabd000 configfs configfs /sys/kernel/config ffff88012a424000 ffff8800b6d4a800 ext4 /dev/nbd0 / ffff8800b6d38000 ffff8800b6d23000 rpc_pipefs rpc_pipefs /var/lib/nfs/rpc_pipefs ffff8801370ad180 ffff8800b6526800 autofs systemd-1 /proc/sys/fs/binfmt_misc ffff88012aa7aa80 ffff880137305800 mqueue mqueue /dev/mqueue ffff8801370ad340 ffff880139947800 debugfs debugfs /sys/kernel/debug ffff8801370ad500 ffff8800b6522000 hugetlbfs hugetlbfs /dev/hugepages ffff88012aa7ac40 ffff8800b64c7800 binfmt_misc binfmt_misc /proc/sys/fs/binfmt_misc/ ffff88012a424700 ffff8800b6c8b000 ramfs none /mnt ffff8801370ad880 ffff8800b6484800 tmpfs none /var/lib/stateless/writable ffff8800b6d381c0 ffff88012a49a000 squashfs /dev/vda /home/green/git/lustre-release ffff88012aa7ae00 ffff8800b6484800 tmpfs none /var/cache/man ffff88012aa7afc0 ffff8800b6484800 tmpfs none /var/log ffff88012aa7b180 ffff8800b6484800 tmpfs none /var/lib/dbus ffff88012a4248c0 ffff8800b6484800 tmpfs none /tmp ffff88012aa7b340 ffff8800b6484800 tmpfs none /var/lib/dhclient ffff88012aa7b500 ffff8800b6484800 tmpfs none /var/tmp ffff88012aa7b6c0 ffff8800b6484800 tmpfs none /var/lib/NetworkManager ffff8800b6d38540 ffff8800b6484800 tmpfs none /var/lib/systemd/random-seed ffff88012aa7b880 ffff8800b6484800 tmpfs none /var/spool ffff88012aa7ba40 ffff8800b6484800 tmpfs none /var/lib/nfs ffff88012aa7bc00 ffff8800b6484800 tmpfs none /var/lib/gssproxy ffff88012aa7bdc0 ffff8800b6484800 tmpfs none /var/lib/logrotate ffff8800b3d98000 ffff8800b6484800 tmpfs none /etc ffff8800b3d981c0 ffff8800b6484800 tmpfs none /var/lib/rsyslog ffff8800b3d98380 ffff8800b6484800 tmpfs none /var/lib/dhclient/var/lib/dhclient ffff88012a424a80 ffff8800b6492000 nfs4 192.168.200.253:/exports/state/oleg355-client.virtnet /var/lib/stateless/state ffff88012a424e00 ffff8800b6492000 nfs4 192.168.200.253:/exports/state/oleg355-client.virtnet /boot ffff8801370addc0 ffff8800b6492000 nfs4 192.168.200.253:/exports/state/oleg355-client.virtnet /etc/etc/kdump.conf ffff88012a424fc0 ffff8800b6d23000 rpc_pipefs sunrpc /var/lib/nfs/var/lib/nfs/rpc_pipefs ffff88012a425880 ffff8800b3a38000 nfs4 192.168.200.253://exports/testreports/47154/testresults/conf-sanity2-ldiskfs-DNE-centos7_x86_64-centos7_x86_64 /tmp/tmp/testlogs ffff88012a425dc0 ffff8800b3a39000 tmpfs tmpfs /run/user/0 ffff88012a5d4a80 ffff88012a49a000 squashfs /dev/vda /usr/sbin/mount.lustre +-------------------------------+ >----------------------| Last 40 lines of dmesg buffer |----------------------< +-------------------------------+ [ 2521.424691] [] __cleanup_mnt+0x12/0x20 [ 2521.426021] [] task_work_run+0xb5/0xf0 [ 2521.427206] [] do_notify_resume+0x92/0xb0 [ 2521.428462] [] int_signal+0x12/0x17 [ 2641.429113] INFO: task umount:2521 blocked for more than 120 seconds. [ 2641.432161] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 2641.435738] umount D ffff8800b5c35b48 11424 2521 2520 0x00000000 [ 2641.439128] Call Trace: [ 2641.440196] [] ? bit_wait+0x50/0x50 [ 2641.442775] [] schedule+0x29/0x70 [ 2641.445135] [] schedule_timeout+0x209/0x290 [ 2641.447866] [] ? string.isra.7+0x3b/0xf0 [ 2641.450434] [] ? kvm_clock_read+0x33/0x40 [ 2641.452812] [] ? kvm_clock_get_cycles+0x9/0x10 [ 2641.455554] [] ? ktime_get_ts64+0x4c/0xf0 [ 2641.458137] [] ? bit_wait+0x50/0x50 [ 2641.460631] [] io_schedule_timeout+0xad/0x130 [ 2641.463561] [] io_schedule+0x18/0x20 [ 2641.466072] [] bit_wait_io+0x11/0x50 [ 2641.468729] [] __wait_on_bit_lock+0x5f/0xc0 [ 2641.471470] [] ? __find_get_pages+0x132/0x1f0 [ 2641.474395] [] __lock_page+0x74/0x90 [ 2641.476984] [] ? wake_bit_function+0x40/0x40 [ 2641.480122] [] truncate_inode_pages_range+0x79a/0x7d0 [ 2641.483870] [] truncate_inode_pages_final+0x4c/0x60 [ 2641.487997] [] ll_truncate_inode_pages_final+0x30/0x1f0 [lustre] [ 2641.492176] [] ll_delete_inode+0x38/0x150 [lustre] [ 2641.495422] [] evict+0xaf/0x180 [ 2641.497919] [] dispose_list+0x3e/0x70 [ 2641.500663] [] evict_inodes+0x161/0x190 [ 2641.503299] [] generic_shutdown_super+0x37/0xf0 [ 2641.506231] [] kill_anon_super+0x12/0x20 [ 2641.508874] [] lustre_kill_super+0x2b/0x30 [lustre] [ 2641.511868] [] deactivate_locked_super+0x49/0x60 [ 2641.514726] [] deactivate_super+0x46/0x60 [ 2641.517091] [] cleanup_mnt+0x3f/0x80 [ 2641.519274] [] __cleanup_mnt+0x12/0x20 [ 2641.521540] [] task_work_run+0xb5/0xf0 [ 2641.523771] [] do_notify_resume+0x92/0xb0 [ 2641.525991] [] int_signal+0x12/0x17 ****************************************************************************** ************************ 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 Run 'hanginfo' to get more details ------------------------------------------------------------------------------ ** Execution took 10.72s (real) 5.55s (CPU), Child processes: 5.13s