************************ crashinfo ************************* /exports/testreports/42551/testresults/sanity-dom-zfs-centos7_x86_64-centos7_x86_64/oleg433-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.0khb6/vmlinux [TAINTED] DUMPFILE: /exports/testreports/42551/testresults/sanity-dom-zfs-centos7_x86_64-centos7_x86_64/oleg433-client-vmcore [PARTIAL DUMP] CPUS: 4 DATE: Wed May 8 18:05:06 EDT 2024 UPTIME: 00:04:19 LOAD AVERAGE: 1.88, 0.75, 0.29 TASKS: 162 NODENAME: oleg433-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=21223 CPU=0 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#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 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 -- CPU#2 -- PID=0 CPU=2 CMD=swapper/2 #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 -- 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 51 last 5s 64 last 60s 76 ----- Total Numbers of Threads per State ------ TASK_INTERRUPTIBLE 154 TASK_RUNNING 2 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 ----- -------------- ------ ---------------------------- 9 rcu_sched 0 ms (no user stack) 1137 sshd 0 ms (no user stack) 69 kworker/1:2 0 ms (no user stack) 912 rs:main Q:Reg 0 ms (no user stack) 910 in:imjournal 0 ms (no user stack) +------------------------+ >-------------------------| Memory Usage (kmem -i) |-------------------------< +------------------------+ PAGES TOTAL PERCENTAGE TOTAL MEM 955079 3.6 GB ---- FREE 855960 3.3 GB 89% of TOTAL MEM USED 99119 387.2 MB 10% of TOTAL MEM SHARED 10204 39.9 MB 1% of TOTAL MEM BUFFERS 5255 20.5 MB 0% of TOTAL MEM CACHED 52182 203.8 MB 5% of TOTAL MEM SLAB 11260 44 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 61945 242 MB 8% of TOTAL LIMIT +++three oldest UNINTERRUPTIBLE threads ... ran 60s ago PID=8886 CPU=3 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 160s ago PID=4786 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=umount ---+ 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 TIME_WAIT 222 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 257.8 eth0 n/a 0.0 RSS_TOTAL=78012 pages, %mem= 1.3 +++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 ffff88012b364000 securityfs securityfs /sys/kernel/security ffff880137668a80 ffff88013767c000 tmpfs tmpfs /dev/shm ffff880137668c40 ffff8801372f6000 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 ffff88012aa40000 cgroup cgroup /sys/fs/cgroup/pids ffff8801376696c0 ffff88012aa40800 cgroup cgroup /sys/fs/cgroup/net_cls,net_prio ffff880137669880 ffff88012aa41000 cgroup cgroup /sys/fs/cgroup/devices ffff880137669a40 ffff88012aa41800 cgroup cgroup /sys/fs/cgroup/blkio ffff880137669c00 ffff88012aa42000 cgroup cgroup /sys/fs/cgroup/freezer ffff880137669dc0 ffff88012aa42800 cgroup cgroup /sys/fs/cgroup/hugetlb ffff88012aacc000 ffff88012aa43000 cgroup cgroup /sys/fs/cgroup/cpu,cpuacct ffff88012aacc1c0 ffff88012aa43800 cgroup cgroup /sys/fs/cgroup/memory ffff88012aacc380 ffff88012aa44000 cgroup cgroup /sys/fs/cgroup/perf_event ffff88012aacc540 ffff88012aa44800 cgroup cgroup /sys/fs/cgroup/cpuset ffff88012aacc8c0 ffff88012aa45800 configfs configfs /sys/kernel/config ffff880138ccb180 ffff8800b6cfe800 ext4 /dev/nbd0 / ffff88012a4f01c0 ffff88012aa46000 rpc_pipefs rpc_pipefs /var/lib/nfs/rpc_pipefs ffff88012aacda40 ffff8800b6522800 autofs systemd-1 /proc/sys/fs/binfmt_misc ffff88012a4f0380 ffff8800b67a4800 hugetlbfs hugetlbfs /dev/hugepages ffff88012a4f0540 ffff8801372f7800 mqueue mqueue /dev/mqueue ffff88012a4f0700 ffff880139947800 debugfs debugfs /sys/kernel/debug ffff88012a4f08c0 ffff8800b6763800 binfmt_misc binfmt_misc /proc/sys/fs/binfmt_misc/ ffff88012aacdc00 ffff8800b6525000 ramfs none /mnt ffff88012b26b500 ffff88012a460000 tmpfs none /var/lib/stateless/writable ffff88012aacddc0 ffff8800b6dab800 squashfs /dev/vda /home/green/git/lustre-release ffff8800b5bee000 ffff88012a460000 tmpfs none /var/cache/man ffff8800b5bee1c0 ffff88012a460000 tmpfs none /var/log ffff8800b5bee380 ffff88012a460000 tmpfs none /var/lib/dbus ffff880138ccb340 ffff88012a460000 tmpfs none /tmp ffff8800b5bee540 ffff88012a460000 tmpfs none /var/lib/dhclient ffff8800b5bee700 ffff88012a460000 tmpfs none /var/tmp ffff8800b5bee8c0 ffff88012a460000 tmpfs none /var/lib/NetworkManager ffff88012b26b6c0 ffff88012a460000 tmpfs none /var/lib/systemd/random-seed ffff8800b5beea80 ffff88012a460000 tmpfs none /var/spool ffff88012b26b880 ffff88012a460000 tmpfs none /var/lib/nfs ffff8800b5beec40 ffff88012a460000 tmpfs none /var/lib/gssproxy ffff88012a4f0a80 ffff88012a460000 tmpfs none /var/lib/logrotate ffff88012a4f0c40 ffff88012a460000 tmpfs none /etc ffff88012b26ba40 ffff88012a460000 tmpfs none /var/lib/rsyslog ffff8800b5beee00 ffff88012a460000 tmpfs none /var/lib/dhclient/var/lib/dhclient ffff88012b26bc00 ffff8800b5972000 nfs4 192.168.200.253:/exports/state/oleg433-client.virtnet /var/lib/stateless/state ffff880138ccb500 ffff8800b5972000 nfs4 192.168.200.253:/exports/state/oleg433-client.virtnet /boot ffff88012a4f1180 ffff8800b5972000 nfs4 192.168.200.253:/exports/state/oleg433-client.virtnet /etc/etc/kdump.conf ffff88012a4f1340 ffff88012aa46000 rpc_pipefs sunrpc /var/lib/nfs/var/lib/nfs/rpc_pipefs ffff8800b085f880 ffff8800b67a1800 nfs4 192.168.200.253://exports/testreports/42551/testresults/sanity-dom-zfs-centos7_x86_64-centos7_x86_64 /tmp/tmp/testlogs ffff8800b5bef340 ffff8800b088f000 tmpfs tmpfs /run/user/0 ffff8800b085fc00 ffff8800b6dab800 squashfs /dev/vda /usr/sbin/mount.lustre ffff88012b432540 ffff8800a98fe800 lustre 192.168.204.133@tcp:/lustre /mnt/lustre2 +-------------------------------+ >----------------------| Last 40 lines of dmesg buffer |----------------------< +-------------------------------+ [ 260.483139] [] ? fsnotify_unmount_inodes+0x136/0x1e0 [ 260.485753] [] generic_shutdown_super+0x6a/0xf0 [ 260.487967] [] kill_anon_super+0x12/0x20 [ 260.490137] [] lustre_kill_super+0x2b/0x30 [lustre] [ 260.492444] [] deactivate_locked_super+0x49/0x60 [ 260.494831] [] deactivate_super+0x46/0x60 [ 260.496976] [] cleanup_mnt+0x3f/0x80 [ 260.499036] [] __cleanup_mnt+0x12/0x20 [ 260.501038] [] task_work_run+0xb5/0xf0 [ 260.502967] [] do_notify_resume+0x92/0xb0 [ 260.505096] [] int_signal+0x12/0x17 [ 260.507030] Kernel panic - not syncing: LBUG [ 260.508614] CPU: 0 PID: 21223 Comm: umount Kdump: loaded Tainted: G OE ------------ 3.10.0-7.9-debug #1 [ 260.512376] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.2-1.fc38 04/01/2014 [ 260.515580] Call Trace: [ 260.516461] [] dump_stack+0x19/0x1b [ 260.518170] [] panic+0xe8/0x20d [ 260.519952] [] lbug_with_loc+0x95/0xa0 [libcfs] [ 260.522227] [] lu_device_fini+0xb8/0xc0 [obdclass] [ 260.524373] [] lovsub_device_free+0x54/0x130 [lov] [ 260.526342] [] lu_stack_fini+0x91/0xc0 [obdclass] [ 260.527941] [] cl_stack_fini+0xe/0x10 [obdclass] [ 260.530151] [] lov_device_fini+0x7c/0x180 [lov] [ 260.532525] [] lu_stack_fini+0x55/0xc0 [obdclass] [ 260.534241] [] cl_stack_fini+0xe/0x10 [obdclass] [ 260.535451] [] cl_sb_fini+0x70/0x1c0 [lustre] [ 260.536718] [] ll_put_super+0xab8/0xdf0 [lustre] [ 260.537823] [] ? fsnotify_grab_connector+0x43/0x70 [ 260.538995] [] ? iput+0x3b/0x180 [ 260.539803] [] ? fsnotify_unmount_inodes+0x136/0x1e0 [ 260.540964] [] generic_shutdown_super+0x6a/0xf0 [ 260.542068] [] kill_anon_super+0x12/0x20 [ 260.543032] [] lustre_kill_super+0x2b/0x30 [lustre] [ 260.544222] [] deactivate_locked_super+0x49/0x60 [ 260.545309] [] deactivate_super+0x46/0x60 [ 260.546317] [] cleanup_mnt+0x3f/0x80 [ 260.547255] [] __cleanup_mnt+0x12/0x20 [ 260.548211] [] task_work_run+0xb5/0xf0 [ 260.549155] [] do_notify_resume+0x92/0xb0 [ 260.550161] [] 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 11.25s (real) 5.87s (CPU), Child processes: 5.33s