************************ crashinfo ************************* /exports/testreports/50377/testresults/runtests-ssk-ldiskfs-SSK-centos7_x86_64-centos7_x86_64/oleg244-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.IDbxa/vmlinux [TAINTED] DUMPFILE: /exports/testreports/50377/testresults/runtests-ssk-ldiskfs-SSK-centos7_x86_64-centos7_x86_64/oleg244-server-vmcore [PARTIAL DUMP] CPUS: 4 DATE: Sun Mar 30 18:15:21 EDT 2025 UPTIME: 00:03:24 LOAD AVERAGE: 1.10, 0.41, 0.16 TASKS: 225 NODENAME: oleg244-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=9887 CPU=1 CMD=llog_process_th #0 machine_kexec+0x19e #1 __crash_kexec+0x72 #2 panic+0xf3 #3 lbug_with_loc+0x95 #4 lod_add_device+0x15e7 #5 lod_process_config+0x11fd #6 class_process_config+0x1e8f #7 class_config_llog_handler+0x76b #8 llog_process_thread+0xe40 #9 llog_process_thread_daemonize+0x72 #10 kthread+0xe4 #11 ret_from_fork_nospec_begin+0x7 -- 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 52 last 5s 90 last 60s 143 ----- Total Numbers of Threads per State ------ TASK_INTERRUPTIBLE 217 TASK_RUNNING 4 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 ----- -------------- ------ ---------------------------- 9892 sshd 0 ms (no user stack) 9891 sshd 0 ms (no user stack) 9 rcu_sched 0 ms (no user stack) 29 migration/3 1 ms (no user stack) 302 kworker/u8:3 1 ms (no user stack) +------------------------+ >-------------------------| Memory Usage (kmem -i) |-------------------------< +------------------------+ PAGES TOTAL PERCENTAGE TOTAL MEM 955067 3.6 GB ---- FREE 754832 2.9 GB 79% of TOTAL MEM USED 200235 782.2 MB 20% of TOTAL MEM SHARED 10651 41.6 MB 1% of TOTAL MEM BUFFERS 7327 28.6 MB 0% of TOTAL MEM CACHED 70574 275.7 MB 7% of TOTAL MEM SLAB 13445 52.5 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 739676 2.8 GB ---- COMMITTED 59370 231.9 MB 8% of TOTAL LIMIT +-------------------------------+ >----------------------| Scheduler Runqueues (per CPU) |----------------------< +-------------------------------+ ---+ CPU=0 ---- | CURRENT TASK , CMD=swapper/0 ---+ CPU=1 ---- | CURRENT TASK , CMD=llog_process_th 83 kworker/1:1 0.03020 ---+ CPU=2 ---- | CURRENT TASK , CMD=swapper/2 ---+ CPU=3 ---- | CURRENT TASK , CMD=swapper/3 +------------------------+ >-------------------------| Network Status Summary |-------------------------< +------------------------+ TCP Connection Info ------------------- ESTABLISHED 7 LISTEN 3 NAGLE disabled (TCP_NODELAY): 4 user_data set (NFS etc.): 5 UDP Connection Info ------------------- 2 UDP sockets, 0 in ESTABLISHED Unix Connection Info ------------------------ ESTABLISHED 28 CLOSE 18 LISTEN 9 Raw sockets info -------------------- ESTABLISHED 1 Interfaces Info --------------- How long ago (in seconds) interfaces transmitted/received? Name RX TX ---- ---------- --------- lo n/a 202.5 eth0 n/a 0.0 RSS_TOTAL=66404 pages, %mem= 1.0 +------------+ >-------------------------------| Mounted FS |-------------------------------< +------------+ MOUNT SUPERBLK TYPE DEVNAME DIRNAME ffff880138cca000 ffff880139940800 rootfs rootfs / ffff88012a266000 ffff88012a268000 sysfs sysfs /sys ffff88012a2661c0 ffff880139944000 proc proc /proc ffff88012a266380 ffff880137678000 devtmpfs devtmpfs /dev ffff88012a266540 ffff88012a027000 securityfs securityfs /sys/kernel/security ffff88012a266700 ffff88012a268800 tmpfs tmpfs /dev/shm ffff88012a2668c0 ffff88012b248800 devpts devpts /dev/pts ffff88012a266a80 ffff88012a269000 tmpfs tmpfs /run ffff88012a266c40 ffff88012a269800 tmpfs tmpfs /sys/fs/cgroup ffff88012a266e00 ffff88012a26a000 cgroup cgroup /sys/fs/cgroup/systemd ffff88012a266fc0 ffff88012a26a800 pstore pstore /sys/fs/pstore ffff88012b242700 ffff8800b5246800 cgroup cgroup /sys/fs/cgroup/memory ffff88012b2428c0 ffff8800b5246000 cgroup cgroup /sys/fs/cgroup/cpuset ffff88012b242a80 ffff8800b5245800 cgroup cgroup /sys/fs/cgroup/cpu,cpuacct ffff88012b242c40 ffff8800b5245000 cgroup cgroup /sys/fs/cgroup/net_cls,net_prio ffff88012b242e00 ffff8800b5247000 cgroup cgroup /sys/fs/cgroup/pids ffff88012b242fc0 ffff8800b5247800 cgroup cgroup /sys/fs/cgroup/freezer ffff88012b243180 ffff88012a310000 cgroup cgroup /sys/fs/cgroup/hugetlb ffff88012b243340 ffff88012a310800 cgroup cgroup /sys/fs/cgroup/devices ffff88012b243500 ffff88012a311000 cgroup cgroup /sys/fs/cgroup/blkio ffff88012b2436c0 ffff88012a311800 cgroup cgroup /sys/fs/cgroup/perf_event ffff88012a267340 ffff880129d3b000 configfs configfs /sys/kernel/config ffff880137668540 ffff88013767a000 ext4 /dev/nbd0 / ffff880129df6540 ffff88012a26c800 rpc_pipefs rpc_pipefs /var/lib/nfs/rpc_pipefs ffff880129df6700 ffff88013767b800 autofs systemd-1 /proc/sys/fs/binfmt_misc ffff880137668c40 ffff88013715e800 mqueue mqueue /dev/mqueue ffff880129df68c0 ffff880139947800 debugfs debugfs /sys/kernel/debug ffff880137668e00 ffff880129dc2000 hugetlbfs hugetlbfs /dev/hugepages ffff88012b243c00 ffff880129ce8800 binfmt_misc binfmt_misc /proc/sys/fs/binfmt_misc/ ffff880137668fc0 ffff8800b41f8000 ramfs none /mnt ffff880129df6c40 ffff880129d39000 tmpfs none /var/lib/stateless/writable ffff880129df6e00 ffff880129d38800 squashfs /dev/vda /home/green/git/lustre-release ffff880137669180 ffff880129d39000 tmpfs none /var/cache/man ffff880138ccb500 ffff880129d39000 tmpfs none /var/log ffff880137669340 ffff880129d39000 tmpfs none /var/lib/dbus ffff880137669500 ffff880129d39000 tmpfs none /tmp ffff8801376696c0 ffff880129d39000 tmpfs none /var/lib/dhclient ffff880137669880 ffff880129d39000 tmpfs none /var/tmp ffff880137669a40 ffff880129d39000 tmpfs none /var/lib/NetworkManager ffff880137669c00 ffff880129d39000 tmpfs none /var/lib/systemd/random-seed ffff880137669dc0 ffff880129d39000 tmpfs none /var/spool ffff880137668a80 ffff880129d39000 tmpfs none /var/lib/nfs ffff8801376688c0 ffff880129d39000 tmpfs none /var/lib/gssproxy ffff880137668700 ffff880129d39000 tmpfs none /var/lib/logrotate ffff880129cb8000 ffff880129d39000 tmpfs none /etc ffff880129cb81c0 ffff880129d39000 tmpfs none /var/lib/rsyslog ffff880129cb8380 ffff880129d39000 tmpfs none /var/lib/dhclient/var/lib/dhclient ffff880138ccb6c0 ffff8800b4c26800 nfs4 192.168.200.253:/exports/state/oleg244-server.virtnet /var/lib/stateless/state ffff880129df7340 ffff8800b4c26800 nfs4 192.168.200.253:/exports/state/oleg244-server.virtnet /boot ffff880129df7500 ffff8800b4c26800 nfs4 192.168.200.253:/exports/state/oleg244-server.virtnet /etc/etc/kdump.conf ffff880129df76c0 ffff88012a26c800 rpc_pipefs sunrpc /var/lib/nfs/var/lib/nfs/rpc_pipefs ffff88012b5c7c00 ffff880129d38800 squashfs /dev/vda /usr/sbin/mount.lustre ffff880138ccb180 ffff8800b413d000 tmpfs tmpfs /run/user/0 ffff8800b18d68c0 ffff880129d39000 tmpfs none /etc/etc/request-key.d ffff880138ccb880 ffff8800b4139000 lustre /dev/mapper/mds1_flakey /mnt/lustre-mds1 ffff88012b5c6a80 ffff880129dc6000 lustre /dev/mapper/ost1_flakey /mnt/lustre-ost1 ffff88012b5c6fc0 ffff88012a316000 lustre /dev/mapper/ost2_flakey /mnt/lustre-ost2 +-------------------------------+ >----------------------| Last 40 lines of dmesg buffer |----------------------< +-------------------------------+ [ 204.934980] CPU: 1 PID: 9887 Comm: llog_process_th Kdump: loaded Tainted: P OE ------------ 3.10.0-7.9-debug #1 [ 204.940220] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.2-1.fc38 04/01/2014 [ 204.944155] Call Trace: [ 204.945446] [] dump_stack+0x19/0x1b [ 204.947888] [] lbug_with_loc+0x4d/0xa0 [libcfs] [ 204.950707] [] lod_add_device+0x15e7/0x1630 [lod] [ 204.953592] [] ? kstrtou16+0x2f/0x70 [ 204.955929] [] lod_process_config+0x11fd/0x1380 [lod] [ 204.958805] [] class_process_config+0x1e8f/0x26a0 [obdclass] [ 204.961929] [] class_config_llog_handler+0x76b/0x13d0 [obdclass] [ 204.965149] [] llog_process_thread+0xe40/0x1ab0 [obdclass] [ 204.967985] [] ? dequeue_entity+0x11c/0x5b0 [ 204.970339] [] ? ttwu_do_wakeup+0x19/0xf0 [ 204.972545] [] llog_process_thread_daemonize+0x72/0x90 [obdclass] [ 204.975414] [] ? llog_validate+0x3b0/0x3b0 [obdclass] [ 204.977893] [] kthread+0xe4/0xf0 [ 204.979794] [] ? kthread_create_on_node+0x140/0x140 [ 204.982039] [] ret_from_fork_nospec_begin+0x7/0x21 [ 204.984250] [] ? kthread_create_on_node+0x140/0x140 [ 204.986462] Kernel panic - not syncing: LBUG [ 204.988177] CPU: 1 PID: 9887 Comm: llog_process_th Kdump: loaded Tainted: P OE ------------ 3.10.0-7.9-debug #1 [ 204.992322] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.2-1.fc38 04/01/2014 [ 204.994717] Call Trace: [ 204.995445] [] dump_stack+0x19/0x1b [ 204.996829] [] panic+0xe8/0x20d [ 204.998143] [] lbug_with_loc+0x95/0xa0 [libcfs] [ 204.999716] [] lod_add_device+0x15e7/0x1630 [lod] [ 205.001432] [] ? kstrtou16+0x2f/0x70 [ 205.003059] [] lod_process_config+0x11fd/0x1380 [lod] [ 205.004858] [] class_process_config+0x1e8f/0x26a0 [obdclass] [ 205.006823] [] class_config_llog_handler+0x76b/0x13d0 [obdclass] [ 205.008732] [] llog_process_thread+0xe40/0x1ab0 [obdclass] [ 205.010619] [] ? dequeue_entity+0x11c/0x5b0 [ 205.012071] [] ? ttwu_do_wakeup+0x19/0xf0 [ 205.013450] [] llog_process_thread_daemonize+0x72/0x90 [obdclass] [ 205.016280] [] ? llog_validate+0x3b0/0x3b0 [obdclass] [ 205.018760] [] kthread+0xe4/0xf0 [ 205.020540] [] ? kthread_create_on_node+0x140/0x140 [ 205.022843] [] ret_from_fork_nospec_begin+0x7/0x21 [ 205.025122] [] ? 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 ------------------------------------------------------------------------------ ** Execution took 10.24s (real) 5.49s (CPU), Child processes: 4.71s