************************ crashinfo ************************* /exports/testreports/52899/testresults/sanity-pfl-ldiskfs-DNE-centos7_x86_64-centos7_x86_64-retry3/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.BtpR9/vmlinux [TAINTED] DUMPFILE: /exports/testreports/52899/testresults/sanity-pfl-ldiskfs-DNE-centos7_x86_64-centos7_x86_64-retry3/oleg435-client-vmcore [PARTIAL DUMP] CPUS: 4 DATE: Sun Jun 22 07:22:29 EDT 2025 UPTIME: 00:04:56 LOAD AVERAGE: 1.05, 0.43, 0.17 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 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=21044 CPU=3 CMD=md5sum #0 machine_kexec+0x19e #1 __crash_kexec+0x72 #2 panic+0xf3 #3 lbug_with_loc+0x95 #4 cl_env_percpu_put+0x7e #5 do_read_folio+0x6fc #6 ll_readpage+0xe #7 do_generic_file_read.constprop.52+0x225 #8 generic_file_aio_read+0x1c9 #9 do_file_read_iter+0x96a #10 ll_file_read_iter+0x2d #11 ll_file_aio_read+0x1b1 #12 ll_file_read+0x111 #13 vfs_read+0xb9 #14 sys_read+0x7f #15 system_call_fastpath+0x1f, 477 bytes of data +--------------------------------+ >---------------------| How This Dump Has Been Created |---------------------< +--------------------------------+ *** Panic *** BUG: 73 of 73 active objects replaced +---------------+ >------------------------------| Tasks Summary |------------------------------< +---------------+ Number of Threads That Ran Recently ----------------------------------- last second 42 last 5s 64 last 60s 73 ----- Total Numbers of Threads per State ------ TASK_INTERRUPTIBLE 154 TASK_RUNNING 4 +++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) 21044 md5sum 7 ms (no user stack) 1 systemd 40 ms (no user stack) 27 rcuos/2 42 ms (no user stack) 569 systemd-journal 55 ms (no user stack) +------------------------+ >-------------------------| Memory Usage (kmem -i) |-------------------------< +------------------------+ PAGES TOTAL PERCENTAGE TOTAL MEM 955079 3.6 GB ---- FREE 854188 3.3 GB 89% of TOTAL MEM USED 100891 394.1 MB 10% of TOTAL MEM SHARED 11404 44.5 MB 1% of TOTAL MEM BUFFERS 5274 20.6 MB 0% of TOTAL MEM CACHED 47801 186.7 MB 5% of TOTAL MEM SLAB 12747 49.8 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 62108 242.6 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=swapper/2 ---+ CPU=3 ---- | CURRENT TASK , CMD=md5sum -- RT Queues --- prio=0 len=1 1 Real-Time processes on this CPU +------------------------+ >-------------------------| Network Status Summary |-------------------------< +------------------------+ TCP Connection Info ------------------- ESTABLISHED 6 TIME_WAIT 94 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 293.6 eth0 n/a 0.1 RSS_TOTAL=74512 pages, %mem= 1.2 +------------+ >-------------------------------| Mounted FS |-------------------------------< +------------+ MOUNT SUPERBLK TYPE DEVNAME DIRNAME ffff880138cca000 ffff880139940800 rootfs rootfs / ffff88012aac4000 ffff88012db50800 sysfs sysfs /sys ffff88012aac41c0 ffff880139944000 proc proc /proc ffff88012aac4380 ffff880137678000 devtmpfs devtmpfs /dev ffff88012aac4540 ffff8800b6cad000 securityfs securityfs /sys/kernel/security ffff88012aac4700 ffff88012db51000 tmpfs tmpfs /dev/shm ffff88012aac48c0 ffff88012b270800 devpts devpts /dev/pts ffff88012aac4a80 ffff88012db51800 tmpfs tmpfs /run ffff88012aac4c40 ffff88012db52000 tmpfs tmpfs /sys/fs/cgroup ffff88012aac4e00 ffff88012db52800 cgroup cgroup /sys/fs/cgroup/systemd ffff88012aac4fc0 ffff88012db53000 pstore pstore /sys/fs/pstore ffff88012aac5180 ffff88012db55000 cgroup cgroup /sys/fs/cgroup/hugetlb ffff88012aac5340 ffff88012db54800 cgroup cgroup /sys/fs/cgroup/blkio ffff88012aac5500 ffff88012db54000 cgroup cgroup /sys/fs/cgroup/cpuset ffff88012aac56c0 ffff88012db53800 cgroup cgroup /sys/fs/cgroup/net_cls,net_prio ffff88012aac5880 ffff88012db55800 cgroup cgroup /sys/fs/cgroup/perf_event ffff88012aac5a40 ffff88012db56000 cgroup cgroup /sys/fs/cgroup/cpu,cpuacct ffff88012aac5c00 ffff88012db56800 cgroup cgroup /sys/fs/cgroup/freezer ffff88012aac5dc0 ffff88012db57000 cgroup cgroup /sys/fs/cgroup/memory ffff88012aace000 ffff88012db57800 cgroup cgroup /sys/fs/cgroup/pids ffff88012aace1c0 ffff88012aae8000 cgroup cgroup /sys/fs/cgroup/devices ffff880138ccb180 ffff8800b6016000 configfs configfs /sys/kernel/config ffff88012b265dc0 ffff88012b275000 ext4 /dev/nbd0 / ffff8800b6db6000 ffff88012b274000 rpc_pipefs rpc_pipefs /var/lib/nfs/rpc_pipefs ffff88012aace540 ffff8800b58c2800 autofs systemd-1 /proc/sys/fs/binfmt_misc ffff8800b6db6380 ffff880136913000 hugetlbfs hugetlbfs /dev/hugepages ffff8800b6db61c0 ffff880139947800 debugfs debugfs /sys/kernel/debug ffff880137668540 ffff88012b272000 mqueue mqueue /dev/mqueue ffff88012aace700 ffff8800b58c6000 binfmt_misc binfmt_misc /proc/sys/fs/binfmt_misc/ ffff88012aace8c0 ffff88012aae9800 ramfs none /mnt ffff880138ccb500 ffff8800b6013000 tmpfs none /var/lib/stateless/writable ffff8800b6db68c0 ffff8800b6066000 squashfs /dev/vda /home/green/git/lustre-release ffff8800b6db6c40 ffff8800b6013000 tmpfs none /var/cache/man ffff880137668700 ffff8800b6013000 tmpfs none /var/log ffff880138ccb6c0 ffff8800b6013000 tmpfs none /var/lib/dbus ffff88012aacea80 ffff8800b6013000 tmpfs none /tmp ffff88012aacec40 ffff8800b6013000 tmpfs none /var/lib/dhclient ffff8801376688c0 ffff8800b6013000 tmpfs none /var/tmp ffff88012aacee00 ffff8800b6013000 tmpfs none /var/lib/NetworkManager ffff8800b6db6e00 ffff8800b6013000 tmpfs none /var/lib/systemd/random-seed ffff88012aacefc0 ffff8800b6013000 tmpfs none /var/spool ffff8800b6db6fc0 ffff8800b6013000 tmpfs none /var/lib/nfs ffff8800b6db7180 ffff8800b6013000 tmpfs none /var/lib/gssproxy ffff8800b6db7340 ffff8800b6013000 tmpfs none /var/lib/logrotate ffff8800b6db7500 ffff8800b6013000 tmpfs none /etc ffff8800b6db76c0 ffff8800b6013000 tmpfs none /var/lib/rsyslog ffff88012aacf180 ffff8800b6013000 tmpfs none /var/lib/dhclient/var/lib/dhclient ffff880138ccb880 ffff8800b6060000 nfs4 192.168.200.253:/exports/state/oleg435-client.virtnet /var/lib/stateless/state ffff880137668a80 ffff8800b6060000 nfs4 192.168.200.253:/exports/state/oleg435-client.virtnet /boot ffff880138ccba40 ffff8800b6060000 nfs4 192.168.200.253:/exports/state/oleg435-client.virtnet /etc/etc/kdump.conf ffff880137668c40 ffff88012b274000 rpc_pipefs sunrpc /var/lib/nfs/var/lib/nfs/rpc_pipefs ffff8800b32ce8c0 ffff8800ae10f800 nfs4 192.168.200.253://exports/testreports/52899/testresults/sanity-pfl-ldiskfs-DNE-centos7_x86_64-centos7_x86_64-retry3 /tmp/tmp/testlogs ffff880138ccbdc0 ffff8800b5896000 tmpfs tmpfs /run/user/0 ffff8800b32cec40 ffff8800b6066000 squashfs /dev/vda /usr/sbin/mount.lustre ffff8800b32cf500 ffff8800ab785800 lustre 192.168.204.135@tcp:/lustre /mnt/lustre +-------------------------------+ >----------------------| Last 40 lines of dmesg buffer |----------------------< +-------------------------------+ [ 296.496718] [] do_read_folio+0x6fc/0x1290 [lustre] [ 296.501195] [] ? do_raw_spin_unlock+0x49/0x90 [ 296.503617] [] ? _raw_spin_unlock+0xe/0x20 [ 296.507498] [] ? cfs_trace_unlock_tcd+0x27/0x70 [libcfs] [ 296.510661] [] ? libcfs_debug_msg+0x4c9/0xc60 [libcfs] [ 296.514915] [] ? _raw_spin_unlock+0xe/0x20 [ 296.518207] [] ll_readpage+0xe/0x10 [lustre] [ 296.522333] [] do_generic_file_read.constprop.52+0x225/0x540 [ 296.526661] [] generic_file_aio_read+0x1c9/0x290 [ 296.530338] [] do_file_read_iter+0x96a/0x1370 [lustre] [ 296.536639] [] ll_file_read_iter+0x2d/0x40 [lustre] [ 296.540022] [] ll_file_aio_read+0x1b1/0x210 [lustre] [ 296.543922] [] ll_file_read+0x111/0x1e0 [lustre] [ 296.546983] [] vfs_read+0xb9/0x1c0 [ 296.555946] [] SyS_read+0x7f/0xf0 [ 296.558085] [] system_call_fastpath+0x1f/0x24 [ 296.563330] Kernel panic - not syncing: LBUG [ 296.565607] CPU: 3 PID: 21044 Comm: md5sum Kdump: loaded Tainted: G W OE ------------ 3.10.0-7.9-debug #1 [ 296.571900] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.2-1.fc38 04/01/2014 [ 296.575639] Call Trace: [ 296.576434] [] dump_stack+0x19/0x1b [ 296.578300] [] panic+0xe8/0x20d [ 296.582221] [] lbug_with_loc+0x95/0xa0 [libcfs] [ 296.586992] [] cl_env_percpu_put+0x7e/0xb0 [obdclass] [ 296.589427] [] do_read_folio+0x6fc/0x1290 [lustre] [ 296.592072] [] ? do_raw_spin_unlock+0x49/0x90 [ 296.594919] [] ? _raw_spin_unlock+0xe/0x20 [ 296.598467] [] ? cfs_trace_unlock_tcd+0x27/0x70 [libcfs] [ 296.600365] [] ? libcfs_debug_msg+0x4c9/0xc60 [libcfs] [ 296.602341] [] ? _raw_spin_unlock+0xe/0x20 [ 296.604209] [] ll_readpage+0xe/0x10 [lustre] [ 296.606023] [] do_generic_file_read.constprop.52+0x225/0x540 [ 296.608179] [] generic_file_aio_read+0x1c9/0x290 [ 296.610089] [] do_file_read_iter+0x96a/0x1370 [lustre] [ 296.612143] [] ll_file_read_iter+0x2d/0x40 [lustre] [ 296.614142] [] ll_file_aio_read+0x1b1/0x210 [lustre] [ 296.616129] [] ll_file_read+0x111/0x1e0 [lustre] [ 296.617988] [] vfs_read+0xb9/0x1c0 [ 296.619601] [] SyS_read+0x7f/0xf0 [ 296.621077] [] system_call_fastpath+0x1f/0x24 ****************************************************************************** ************************ 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 12.37s (real) 6.25s (CPU), Child processes: 5.91s