************************ crashinfo ************************* /exports/testreports/42545/testresults/replay-single-zfs-centos7_x86_64-centos7_x86_64/oleg408-server-vmcore (3.10.0-7.9-debug) +==========================+ | *** Crashinfo v1.3.7 *** | +==========================+ +++WARNING+++ PARTIAL DUMP with size(vmcore) < 25% size(RAM) KERNEL: /tmp/crash-anaysis.6m3B6/vmlinux [TAINTED] DUMPFILE: /exports/testreports/42545/testresults/replay-single-zfs-centos7_x86_64-centos7_x86_64/oleg408-server-vmcore [PARTIAL DUMP] CPUS: 4 DATE: Wed May 8 18:02:57 EDT 2024 UPTIME: 00:50:37 LOAD AVERAGE: 0.68, 0.38, 0.35 TASKS: 459 NODENAME: oleg408-server.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 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=17642 CPU=2 CMD=umount #0 machine_kexec+0x19e #1 __crash_kexec+0x72 #2 panic+0xf3 #3 lbug_with_loc+0x9b #4 ldlm_server_completion_ast+0x985 #5 cleanup_resource+0x1e7 #6 ldlm_resource_clean+0x2f #7 cfs_hash_for_each_relax+0x232 #8 cfs_hash_for_each_nolock+0x75 #9 ldlm_namespace_cleanup+0x30 #10 __ldlm_namespace_free+0x61 #11 ldlm_namespace_free_prior+0x5a #12 mdt_device_fini+0xd4 #13 class_cleanup+0xa3c #14 class_process_config+0x527 #15 class_manual_cleanup+0x1c6 #16 server_put_super+0xa25 #17 generic_shutdown_super+0x6a #18 kill_anon_super+0x12 #19 lustre_kill_super+0x2b #20 deactivate_locked_super+0x49 #21 deactivate_super+0x46 #22 cleanup_mnt+0x3f #23 __cleanup_mnt+0x12 #24 task_work_run+0xb5 #25 do_notify_resume+0x92 #26 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 198 last 5s 219 last 60s 306 ----- Total Numbers of Threads per State ------ TASK_INTERRUPTIBLE 454 TASK_RUNNING 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 ----- -------------- ------ ---------------------------- 2849 monitor_thread 0 ms (no user stack) 9 rcu_sched 0 ms (no user stack) 910 rs:main Q:Reg 0 ms (no user stack) 566 systemd-journal 0 ms (no user stack) 17642 umount 2 ms (no user stack) +------------------------+ >-------------------------| Memory Usage (kmem -i) |-------------------------< +------------------------+ PAGES TOTAL PERCENTAGE TOTAL MEM 955067 3.6 GB ---- FREE 697514 2.7 GB 73% of TOTAL MEM USED 257553 1006.1 MB 26% of TOTAL MEM SHARED 9118 35.6 MB 0% of TOTAL MEM BUFFERS 5045 19.7 MB 0% of TOTAL MEM CACHED 66818 261 MB 6% of TOTAL MEM SLAB 21185 82.8 MB 2% 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 739676 2.8 GB ---- COMMITTED 60819 237.6 MB 8% of TOTAL LIMIT +-------------------------------+ >----------------------| Scheduler Runqueues (per CPU) |----------------------< +-------------------------------+ ---+ CPU=0 ---- | CURRENT TASK , CMD=swapper/0 ---+ CPU=1 ---- | CURRENT TASK , CMD=swapper/1 ---+ CPU=2 ---- | CURRENT TASK , CMD=umount ---+ 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 3034.6 eth0 n/a 0.1 RSS_TOTAL=59972 pages, %mem= 0.9 +------------+ >-------------------------------| Mounted FS |-------------------------------< +------------+ MOUNT SUPERBLK TYPE DEVNAME DIRNAME ffff880138cca000 ffff880139940800 rootfs rootfs / ffff88012a344000 ffff88012a348000 sysfs sysfs /sys ffff88012a3441c0 ffff880139944000 proc proc /proc ffff88012a344380 ffff880137678000 devtmpfs devtmpfs /dev ffff88012a344540 ffff8800b521a000 securityfs securityfs /sys/kernel/security ffff88012a344700 ffff88012a348800 tmpfs tmpfs /dev/shm ffff88012a3448c0 ffff880137316000 devpts devpts /dev/pts ffff88012a344a80 ffff88012a349000 tmpfs tmpfs /run ffff88012a344c40 ffff88012a349800 tmpfs tmpfs /sys/fs/cgroup ffff88012a344e00 ffff88012a34a000 cgroup cgroup /sys/fs/cgroup/systemd ffff88012a344fc0 ffff88012a34a800 pstore pstore /sys/fs/pstore ffff88012a345180 ffff88012a34c800 cgroup cgroup /sys/fs/cgroup/freezer ffff88012a345340 ffff88012a34c000 cgroup cgroup /sys/fs/cgroup/cpu,cpuacct ffff88012a345500 ffff88012a34b800 cgroup cgroup /sys/fs/cgroup/hugetlb ffff88012a3456c0 ffff88012a34b000 cgroup cgroup /sys/fs/cgroup/cpuset ffff88012a345880 ffff88012a34d000 cgroup cgroup /sys/fs/cgroup/perf_event ffff88012a345a40 ffff88012a34d800 cgroup cgroup /sys/fs/cgroup/pids ffff88012a345c00 ffff88012a34e000 cgroup cgroup /sys/fs/cgroup/devices ffff88012a345dc0 ffff88012a34e800 cgroup cgroup /sys/fs/cgroup/net_cls,net_prio ffff88012a36c000 ffff88012a34f000 cgroup cgroup /sys/fs/cgroup/blkio ffff88012a36c1c0 ffff88012a34f800 cgroup cgroup /sys/fs/cgroup/memory ffff880138ccafc0 ffff880129c3f800 configfs configfs /sys/kernel/config ffff88012b284a80 ffff8800b7c0e000 ext4 /dev/nbd0 / ffff880137668a80 ffff8800b5246000 rpc_pipefs rpc_pipefs /var/lib/nfs/rpc_pipefs ffff88012b2848c0 ffff8801373c3000 autofs systemd-1 /proc/sys/fs/binfmt_misc ffff880137669180 ffff880139947800 debugfs debugfs /sys/kernel/debug ffff88012b284c40 ffff880137317800 mqueue mqueue /dev/mqueue ffff88012a36c540 ffff8800b427e800 hugetlbfs hugetlbfs /dev/hugepages ffff88012b284e00 ffff8800b4aa0800 binfmt_misc binfmt_misc /proc/sys/fs/binfmt_misc/ ffff88012a36c700 ffff8800b521e800 ramfs none /mnt ffff880137669500 ffff8801373c1800 tmpfs none /var/lib/stateless/writable ffff88012b284fc0 ffff8800b5242800 squashfs /dev/vda /home/green/git/lustre-release ffff8801376696c0 ffff8801373c1800 tmpfs none /var/cache/man ffff88012a36c8c0 ffff8801373c1800 tmpfs none /var/log ffff88012a36ca80 ffff8801373c1800 tmpfs none /var/lib/dbus ffff88012a36cc40 ffff8801373c1800 tmpfs none /tmp ffff88012a36ce00 ffff8801373c1800 tmpfs none /var/lib/dhclient ffff880137669880 ffff8801373c1800 tmpfs none /var/tmp ffff88012a36cfc0 ffff8801373c1800 tmpfs none /var/lib/NetworkManager ffff88012a36d180 ffff8801373c1800 tmpfs none /var/lib/systemd/random-seed ffff880137669a40 ffff8801373c1800 tmpfs none /var/spool ffff880137669c00 ffff8801373c1800 tmpfs none /var/lib/nfs ffff880137669dc0 ffff8801373c1800 tmpfs none /var/lib/gssproxy ffff880137668fc0 ffff8801373c1800 tmpfs none /var/lib/logrotate ffff88012a36d340 ffff8801373c1800 tmpfs none /etc ffff880137668e00 ffff8801373c1800 tmpfs none /var/lib/rsyslog ffff880137668c40 ffff8801373c1800 tmpfs none /var/lib/dhclient/var/lib/dhclient ffff88012a36d500 ffff8800b4279800 nfs4 192.168.200.253:/exports/state/oleg408-server.virtnet /var/lib/stateless/state ffff88012a36d6c0 ffff8800b4279800 nfs4 192.168.200.253:/exports/state/oleg408-server.virtnet /boot ffff88012b285500 ffff8800b4279800 nfs4 192.168.200.253:/exports/state/oleg408-server.virtnet /etc/etc/kdump.conf ffff88012c496000 ffff8800b5246000 rpc_pipefs sunrpc /var/lib/nfs/var/lib/nfs/rpc_pipefs ffff8800b25ad340 ffff8800b5242800 squashfs /dev/vda /usr/sbin/mount.lustre ffff8800b1cb7dc0 ffff88012cf87800 lustre lustre-ost2/ost2 /mnt/lustre-ost2 ffff88009dcb1180 ffff88009b8ae800 lustre lustre-ost1/ost1 /mnt/lustre-ost1 ffff88009f5c8fc0 ffff88009c047000 tmpfs tmpfs /run/user/0 +-------------------------------+ >----------------------| Last 40 lines of dmesg buffer |----------------------< +-------------------------------+ [ 3037.821378] [<0>] 0xfffffffffffffffe [ 3037.822744] Kernel panic - not syncing: LBUG [ 3037.824470] CPU: 2 PID: 17642 Comm: umount Kdump: loaded Tainted: P OE ------------ 3.10.0-7.9-debug #1 [ 3037.827193] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.2-1.fc38 04/01/2014 [ 3037.829558] Call Trace: [ 3037.830163] [] dump_stack+0x19/0x1b [ 3037.831516] [] panic+0xe8/0x20d [ 3037.833255] [] ? _raw_spin_unlock+0xe/0x20 [ 3037.834895] [] lbug_with_loc+0x9b/0xa0 [libcfs] [ 3037.836534] [] ldlm_server_completion_ast+0x985/0x9f0 [ptlrpc] [ 3037.838666] [] cleanup_resource+0x1e7/0x2e0 [ptlrpc] [ 3037.840112] [] ldlm_resource_clean+0x2f/0x50 [ptlrpc] [ 3037.842155] [] cfs_hash_for_each_relax+0x232/0x420 [libcfs] [ 3037.844619] [] ? cleanup_resource+0x2e0/0x2e0 [ptlrpc] [ 3037.846303] [] ? cleanup_resource+0x2e0/0x2e0 [ptlrpc] [ 3037.847603] [] cfs_hash_for_each_nolock+0x75/0x200 [libcfs] [ 3037.849981] [] ldlm_namespace_cleanup+0x30/0xc0 [ptlrpc] [ 3037.851845] [] __ldlm_namespace_free+0x61/0x600 [ptlrpc] [ 3037.854194] [] ? __mutex_unlock_slowpath+0xdc/0x190 [ 3037.855564] [] ? do_raw_spin_unlock+0x49/0x90 [ 3037.856989] [] ? _raw_spin_unlock+0xe/0x20 [ 3037.858830] [] ldlm_namespace_free_prior+0x5a/0x210 [ptlrpc] [ 3037.860969] [] mdt_device_fini+0xd4/0x990 [mdt] [ 3037.862907] [] class_cleanup+0xa3c/0xd00 [obdclass] [ 3037.864755] [] class_process_config+0x527/0x26e0 [obdclass] [ 3037.866678] [] ? __kmalloc+0x1e0/0x340 [ 3037.868233] [] class_manual_cleanup+0x1c6/0x760 [obdclass] [ 3037.870167] [] server_put_super+0xa25/0xf80 [obdclass] [ 3037.871854] [] ? _raw_spin_unlock+0xe/0x20 [ 3037.873655] [] ? fsnotify_unmount_inodes+0x1d6/0x1e0 [ 3037.875829] [] generic_shutdown_super+0x6a/0xf0 [ 3037.877686] [] kill_anon_super+0x12/0x20 [ 3037.879284] [] lustre_kill_super+0x2b/0x30 [lustre] [ 3037.881070] [] deactivate_locked_super+0x49/0x60 [ 3037.883083] [] deactivate_super+0x46/0x60 [ 3037.884531] [] cleanup_mnt+0x3f/0x80 [ 3037.886067] [] __cleanup_mnt+0x12/0x20 [ 3037.887680] [] task_work_run+0xb5/0xf0 [ 3037.889409] [] do_notify_resume+0x92/0xb0 [ 3037.890919] [] 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 ------------------------------------------------------------------------------ ** Execution took 12.55s (real) 7.19s (CPU), Child processes: 5.29s