************************ crashinfo ************************* /exports/testreports/42551/testresults/sanity-dom-ldiskfs-DNE-centos7_x86_64-centos7_x86_64/oleg435-client-vmcore (3.10.0-7.9-debug) +==========================+ | *** Crashinfo v1.3.7 *** | +==========================+ +++WARNING+++ PARTIAL DUMP with size(vmcore) < 25% size(RAM) KERNEL: /tmp/crash-anaysis.9MKrC/vmlinux [TAINTED] DUMPFILE: /exports/testreports/42551/testresults/sanity-dom-ldiskfs-DNE-centos7_x86_64-centos7_x86_64/oleg435-client-vmcore [PARTIAL DUMP] CPUS: 4 DATE: Wed May 8 18:05:24 EDT 2024 UPTIME: 00:04:34 LOAD AVERAGE: 1.84, 0.72, 0.28 TASKS: 161 NODENAME: oleg435-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: "Kernel panic - not syncing: LBUG" +--------------------------+ >------------------------| Per-cpu Stacks ('bt -a') |------------------------< +--------------------------+ -- CPU#0 -- PID=0 CPU=0 CMD=swapper/0 #0 crash_nmi_callback+0x31 #1 nmi_handle+0x97 #2 do_nmi+0x12c #3 end_repeat_nmi+0x1e #-1 native_safe_halt+0xb, 507 bytes of data #4 native_safe_halt+0xb #5 default_idle+0x1e #6 default_enter_idle+0x45 #7 cpuidle_enter_state+0x40 #8 cpuidle_idle_call+0xd8 #9 arch_cpu_idle+0xe #10 cpu_startup_entry+0x14a #11 rest_init+0x8e #12 start_kernel+0x456 #13 x86_64_start_reservations+0x2a #14 x86_64_start_kernel+0x152 #15 start_cpu+0x5 -- CPU#1 -- PID=0 CPU=1 CMD=swapper/1 #0 crash_nmi_callback+0x31 #1 nmi_handle+0x97 #2 do_nmi+0x12c #3 end_repeat_nmi+0x1e #-1 find_next_bit+0x79, 507 bytes of data #4 find_next_bit+0x79 #5 cpumask_next_and+0x35 #6 load_balance+0x159 #7 rebalance_domains+0x190 #8 run_rebalance_domains+0x122 #9 __do_softirq+0xf7 #10 call_softirq+0x1c #11 do_softirq+0x65 #12 irq_exit+0x105 #13 smp_apic_timer_interrupt+0x42 #14 apic_timer_interrupt+0x16a, 19 bytes of data #15 apic_timer_interrupt+0x16a #-1 native_safe_halt+0xb, 477 bytes of data #16 default_idle+0x1e #17 default_enter_idle+0x45 #18 cpuidle_enter_state+0x40 #19 cpuidle_idle_call+0xd8 #20 arch_cpu_idle+0xe #21 cpu_startup_entry+0x14a #22 start_secondary+0x1eb #23 start_cpu+0x5 -- CPU#2 -- PID=21798 CPU=2 CMD=umount #0 machine_kexec+0x19e #1 __crash_kexec+0x72 #2 panic+0xf3 #3 lbug_with_loc+0x95 #4 lu_device_fini+0xb8 #5 lovsub_device_free+0x54 #6 lu_stack_fini+0x91 #7 cl_stack_fini+0xe #8 lov_device_fini+0x7c #9 lu_stack_fini+0x55 #10 cl_stack_fini+0xe #11 cl_sb_fini+0x70 #12 ll_put_super+0xab8 #13 generic_shutdown_super+0x6a #14 kill_anon_super+0x12 #15 lustre_kill_super+0x2b #16 deactivate_locked_super+0x49 #17 deactivate_super+0x46 #18 cleanup_mnt+0x3f #19 __cleanup_mnt+0x12 #20 task_work_run+0xb5 #21 do_notify_resume+0x92 #22 int_signal+0x12, 477 bytes of data -- CPU#3 -- PID=0 CPU=3 CMD=swapper/3 #0 crash_nmi_callback+0x31 #1 nmi_handle+0x97 #2 do_nmi+0x12c #3 end_repeat_nmi+0x1e #-1 native_safe_halt+0xb, 507 bytes of data #4 native_safe_halt+0xb #5 default_idle+0x1e #6 default_enter_idle+0x45 #7 cpuidle_enter_state+0x40 #8 cpuidle_idle_call+0xd8 #9 arch_cpu_idle+0xe #10 cpu_startup_entry+0x14a #11 start_secondary+0x1eb #12 start_cpu+0x5 +--------------------------------+ >---------------------| How This Dump Has Been Created |---------------------< +--------------------------------+ *** Panic *** BUG: 73 of 73 active objects replaced +---------------+ >------------------------------| Tasks Summary |------------------------------< +---------------+ Number of Threads That Ran Recently ----------------------------------- last second 52 last 5s 65 last 60s 76 ----- Total Numbers of Threads per State ------ TASK_INTERRUPTIBLE 153 TASK_RUNNING 3 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 ----- -------------- ------ ---------------------------- 1136 sshd 0 ms (no user stack) 917 in:imjournal 0 ms (no user stack) 569 systemd-journal 0 ms (no user stack) 21798 umount 0 ms (no user stack) 9 rcu_sched 2 ms (no user stack) +------------------------+ >-------------------------| Memory Usage (kmem -i) |-------------------------< +------------------------+ PAGES TOTAL PERCENTAGE TOTAL MEM 955079 3.6 GB ---- FREE 859461 3.3 GB 89% of TOTAL MEM USED 95618 373.5 MB 10% of TOTAL MEM SHARED 10199 39.8 MB 1% of TOTAL MEM BUFFERS 5255 20.5 MB 0% of TOTAL MEM CACHED 48673 190.1 MB 5% of TOTAL MEM SLAB 11231 43.9 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 61982 242.1 MB 8% of TOTAL LIMIT +++three oldest UNINTERRUPTIBLE threads ... ran 52s ago PID=9727 CPU=1 CMD=ll_imp_inval #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 __cl_page_own+0x373 #9 cl_page_own+0x10 #10 osc_discard_cb+0xac #11 osc_page_gang_lookup+0x20f #12 mdc_lock_flush+0x19f #13 mdc_dlm_canceling+0x101 #14 mdc_object_flush+0x37 #15 cl_object_flush+0x68 #16 lov_flush_composite+0xc3 #17 lov_object_flush+0x68 #18 cl_object_flush+0x68 #19 ll_lock_cancel_bits+0x417 #20 ll_md_blocking_ast+0x30f #21 ldlm_cancel_callback+0x84 #22 ldlm_cli_cancel_local+0xb2 #23 ldlm_cli_cancel+0x32f #24 cleanup_resource+0x139 #25 ldlm_resource_clean+0x2f #26 cfs_hash_for_each_relax+0x23b #27 cfs_hash_for_each_nolock+0x76 #28 ldlm_namespace_cleanup+0x30 #29 mdc_import_event+0x372 #30 ptlrpc_invalidate_import+0x293 #31 ptlrpc_invalidate_import_thread+0x7c #32 kthread+0xe4 #33 ret_from_fork_nospec_begin+0x7 ... ran 152s ago PID=5364 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 mdc_lock_flush+0x19f #14 mdc_dlm_canceling+0x101 #15 mdc_object_flush+0x37 #16 cl_object_flush+0x68 #17 lov_flush_composite+0xc3 #18 lov_object_flush+0x68 #19 cl_object_flush+0x68 #20 ll_lock_cancel_bits+0x417 #21 ll_md_blocking_ast+0x30f #22 ldlm_cli_inodebits_convert+0x4a4 #23 ldlm_cli_convert+0x7b #24 ll_md_blocking_ast+0x12a #25 ldlm_handle_bl_callback+0xc5 #26 ldlm_bl_thread_main+0x5fc #27 kthread+0xe4 #28 ret_from_fork_nospec_begin+0x7 +-------------------------------+ >----------------------| Scheduler Runqueues (per CPU) |----------------------< +-------------------------------+ ---+ CPU=0 ---- | CURRENT TASK , CMD=swapper/0 ---+ CPU=1 ---- | CURRENT TASK , CMD=swapper/1 9 rcu_sched 1.79526 ---+ CPU=2 ---- | CURRENT TASK , CMD=umount ---+ CPU=3 ---- | CURRENT TASK , CMD=swapper/3 +------------------------+ >-------------------------| Network Status Summary |-------------------------< +------------------------+ TCP Connection Info ------------------- ESTABLISHED 6 TIME_WAIT 235 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 271.5 eth0 n/a 0.1 RSS_TOTAL=76268 pages, %mem= 1.2 +++WARNING+++ Run 'hanginfo' to get more details +------------+ >-------------------------------| Mounted FS |-------------------------------< +------------+ MOUNT SUPERBLK TYPE DEVNAME DIRNAME ffff880138cca000 ffff880139940800 rootfs rootfs / ffff880137668380 ffff880137679000 sysfs sysfs /sys ffff880137668540 ffff880139944000 proc proc /proc ffff880137668700 ffff880137678000 devtmpfs devtmpfs /dev ffff8801376688c0 ffff88012b34f000 securityfs securityfs /sys/kernel/security ffff880137668a80 ffff880137679800 tmpfs tmpfs /dev/shm ffff880137668c40 ffff88013771a000 devpts devpts /dev/pts ffff880137668e00 ffff88013767a000 tmpfs tmpfs /run ffff880137668fc0 ffff88013767a800 tmpfs tmpfs /sys/fs/cgroup ffff880137669180 ffff88013767b000 cgroup cgroup /sys/fs/cgroup/systemd ffff880137669340 ffff88013767b800 pstore pstore /sys/fs/pstore ffff880138ccb180 ffff8800b6cdf000 cgroup cgroup /sys/fs/cgroup/hugetlb ffff880138ccb340 ffff8800b6cdf800 cgroup cgroup /sys/fs/cgroup/cpu,cpuacct ffff880138ccb500 ffff88012aaa8000 cgroup cgroup /sys/fs/cgroup/net_cls,net_prio ffff880138ccb6c0 ffff88012aaa8800 cgroup cgroup /sys/fs/cgroup/freezer ffff880138ccb880 ffff88012aaa9000 cgroup cgroup /sys/fs/cgroup/perf_event ffff880138ccba40 ffff88012aaa9800 cgroup cgroup /sys/fs/cgroup/pids ffff880138ccbc00 ffff88012aaaa000 cgroup cgroup /sys/fs/cgroup/cpuset ffff880138ccbdc0 ffff88012aaaa800 cgroup cgroup /sys/fs/cgroup/memory ffff88012aa8a000 ffff88012aaab000 cgroup cgroup /sys/fs/cgroup/blkio ffff88012aa8a1c0 ffff88012aaab800 cgroup cgroup /sys/fs/cgroup/devices ffff8800b6514000 ffff8800b6f5c000 configfs configfs /sys/kernel/config ffff88013700ea80 ffff88012aa92800 ext4 /dev/nbd0 / ffff8800b6514540 ffff88013767e000 rpc_pipefs rpc_pipefs /var/lib/nfs/rpc_pipefs ffff880137669c00 ffff8800b5c1c800 autofs systemd-1 /proc/sys/fs/binfmt_misc ffff88013700ec40 ffff8800b5d84800 hugetlbfs hugetlbfs /dev/hugepages ffff880137669dc0 ffff880139947800 debugfs debugfs /sys/kernel/debug ffff880137669a40 ffff880137025800 mqueue mqueue /dev/mqueue ffff880137669880 ffff8800b5c1d000 binfmt_misc binfmt_misc /proc/sys/fs/binfmt_misc/ ffff8800b6514700 ffff8800b6455800 ramfs none /mnt ffff8801376696c0 ffff88012aa96000 tmpfs none /var/lib/stateless/writable ffff8800b65148c0 ffff8800b6454800 squashfs /dev/vda /home/green/git/lustre-release ffff8800b6514a80 ffff88012aa96000 tmpfs none /var/cache/man ffff88013700efc0 ffff88012aa96000 tmpfs none /var/log ffff88013700f180 ffff88012aa96000 tmpfs none /var/lib/dbus ffff88013700f340 ffff88012aa96000 tmpfs none /tmp ffff88013700f500 ffff88012aa96000 tmpfs none /var/lib/dhclient ffff88013700f6c0 ffff88012aa96000 tmpfs none /var/tmp ffff8800b6514c40 ffff88012aa96000 tmpfs none /var/lib/NetworkManager ffff8800b6514e00 ffff88012aa96000 tmpfs none /var/lib/systemd/random-seed ffff88013700f880 ffff88012aa96000 tmpfs none /var/spool ffff88013700fa40 ffff88012aa96000 tmpfs none /var/lib/nfs ffff8800b6514fc0 ffff88012aa96000 tmpfs none /var/lib/gssproxy ffff88013700fc00 ffff88012aa96000 tmpfs none /var/lib/logrotate ffff8800b6515180 ffff88012aa96000 tmpfs none /etc ffff8800b6515340 ffff88012aa96000 tmpfs none /var/lib/rsyslog ffff88013700fdc0 ffff88012aa96000 tmpfs none /var/lib/dhclient/var/lib/dhclient ffff880137669500 ffff8800b5d81800 nfs4 192.168.200.253:/exports/state/oleg435-client.virtnet /var/lib/stateless/state ffff8800b65156c0 ffff8800b5d81800 nfs4 192.168.200.253:/exports/state/oleg435-client.virtnet /boot ffff8800b6515880 ffff8800b5d81800 nfs4 192.168.200.253:/exports/state/oleg435-client.virtnet /etc/etc/kdump.conf ffff8800b5f5e1c0 ffff88013767e000 rpc_pipefs sunrpc /var/lib/nfs/var/lib/nfs/rpc_pipefs ffff88012a42f880 ffff8800b67d3800 nfs4 192.168.200.253://exports/testreports/42551/testresults/sanity-dom-ldiskfs-DNE-centos7_x86_64-centos7_x86_64 /tmp/tmp/testlogs ffff8800b3ce68c0 ffff8800b67d3000 tmpfs tmpfs /run/user/0 ffff8800b6515a40 ffff8800b6454800 squashfs /dev/vda /usr/sbin/mount.lustre ffff88012aa8bc00 ffff8800a9d1f000 lustre 192.168.204.135@tcp:/lustre /mnt/lustre2 +-------------------------------+ >----------------------| Last 40 lines of dmesg buffer |----------------------< +-------------------------------+ [ 274.548782] [] ? fsnotify_unmount_inodes+0x136/0x1e0 [ 274.550290] [] generic_shutdown_super+0x6a/0xf0 [ 274.551780] [] kill_anon_super+0x12/0x20 [ 274.553644] [] lustre_kill_super+0x2b/0x30 [lustre] [ 274.556469] [] deactivate_locked_super+0x49/0x60 [ 274.558002] [] deactivate_super+0x46/0x60 [ 274.559340] [] cleanup_mnt+0x3f/0x80 [ 274.560694] [] __cleanup_mnt+0x12/0x20 [ 274.561905] [] task_work_run+0xb5/0xf0 [ 274.563192] [] do_notify_resume+0x92/0xb0 [ 274.565376] [] int_signal+0x12/0x17 [ 274.567383] Kernel panic - not syncing: LBUG [ 274.569419] CPU: 2 PID: 21798 Comm: umount Kdump: loaded Tainted: G OE ------------ 3.10.0-7.9-debug #1 [ 274.573204] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.2-1.fc38 04/01/2014 [ 274.576676] Call Trace: [ 274.577734] [] dump_stack+0x19/0x1b [ 274.579108] [] panic+0xe8/0x20d [ 274.580129] [] lbug_with_loc+0x95/0xa0 [libcfs] [ 274.581410] [] lu_device_fini+0xb8/0xc0 [obdclass] [ 274.582774] [] lovsub_device_free+0x54/0x130 [lov] [ 274.584061] [] lu_stack_fini+0x91/0xc0 [obdclass] [ 274.585347] [] cl_stack_fini+0xe/0x10 [obdclass] [ 274.586593] [] lov_device_fini+0x7c/0x180 [lov] [ 274.588508] [] lu_stack_fini+0x55/0xc0 [obdclass] [ 274.590931] [] cl_stack_fini+0xe/0x10 [obdclass] [ 274.593655] [] cl_sb_fini+0x70/0x1c0 [lustre] [ 274.595872] [] ll_put_super+0xab8/0xdf0 [lustre] [ 274.598123] [] ? fsnotify_grab_connector+0x43/0x70 [ 274.600790] [] ? iput+0x3b/0x180 [ 274.602704] [] ? fsnotify_unmount_inodes+0x136/0x1e0 [ 274.604004] [] generic_shutdown_super+0x6a/0xf0 [ 274.605226] [] kill_anon_super+0x12/0x20 [ 274.606344] [] lustre_kill_super+0x2b/0x30 [lustre] [ 274.607663] [] deactivate_locked_super+0x49/0x60 [ 274.609056] [] deactivate_super+0x46/0x60 [ 274.610859] [] cleanup_mnt+0x3f/0x80 [ 274.612936] [] __cleanup_mnt+0x12/0x20 [ 274.615154] [] task_work_run+0xb5/0xf0 [ 274.617367] [] do_notify_resume+0x92/0xb0 [ 274.619704] [] 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 11.42s (real) 5.90s (CPU), Child processes: 5.42s