************************ crashinfo ************************* /exports/testreports/52899/testresults/sanityn-ldiskfs-DNE-centos7_x86_64-centos7_x86_64-retry2/oleg109-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.oufcL/vmlinux [TAINTED] DUMPFILE: /exports/testreports/52899/testresults/sanityn-ldiskfs-DNE-centos7_x86_64-centos7_x86_64-retry2/oleg109-client-vmcore [PARTIAL DUMP] CPUS: 4 DATE: Sun Jun 22 07:31:05 EDT 2025 UPTIME: 00:15:07 LOAD AVERAGE: 0.87, 1.23, 0.85 TASKS: 161 NODENAME: oleg109-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=682 CPU=2 CMD=diff #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 -- 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 33 last 5s 50 last 60s 72 ----- Total Numbers of Threads per State ------ TASK_INTERRUPTIBLE 155 TASK_RUNNING 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) 682 diff 16 ms (no user stack) 46 kworker/0:1 22 ms (no user stack) 906 rs:main Q:Reg 22 ms (no user stack) 570 systemd-journal 25 ms (no user stack) +------------------------+ >-------------------------| Memory Usage (kmem -i) |-------------------------< +------------------------+ PAGES TOTAL PERCENTAGE TOTAL MEM 955079 3.6 GB ---- FREE 832554 3.2 GB 87% of TOTAL MEM USED 122525 478.6 MB 12% of TOTAL MEM SHARED 31801 124.2 MB 3% of TOTAL MEM BUFFERS 615 2.4 MB 0% of TOTAL MEM CACHED 70430 275.1 MB 7% of TOTAL MEM SLAB 13463 52.6 MB 1% of TOTAL MEM TOTAL HUGE 0 0 ---- HUGE FREE 0 0 0% of TOTAL HUGE TOTAL SWAP 262143 1024 MB ---- SWAP USED 962 3.8 MB 0% of TOTAL SWAP SWAP FREE 261181 1020.2 MB 99% of TOTAL SWAP COMMIT LIMIT 739682 2.8 GB ---- COMMITTED 90007 351.6 MB 12% 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=diff ---+ CPU=3 ---- | CURRENT TASK , CMD=swapper/3 +------------------------+ >-------------------------| Network Status Summary |-------------------------< +------------------------+ TCP Connection Info ------------------- ESTABLISHED 6 TIME_WAIT 11 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 904.8 eth0 n/a 0.1 RSS_TOTAL=84168 pages, %mem= 1.5 +------------+ >-------------------------------| Mounted FS |-------------------------------< +------------+ MOUNT SUPERBLK TYPE DEVNAME DIRNAME ffff880138cca000 ffff880139940800 rootfs rootfs / ffff880137668700 ffff88012b39c800 sysfs sysfs /sys ffff8801376688c0 ffff880139944000 proc proc /proc ffff880137668a80 ffff880137678000 devtmpfs devtmpfs /dev ffff880137668c40 ffff8800b6d1b800 securityfs securityfs /sys/kernel/security ffff880137668e00 ffff88012b39d000 tmpfs tmpfs /dev/shm ffff880137668fc0 ffff880136bd1000 devpts devpts /dev/pts ffff880137669180 ffff88012b39d800 tmpfs tmpfs /run ffff880137669340 ffff88012b39e000 tmpfs tmpfs /sys/fs/cgroup ffff880137669500 ffff88012b39e800 cgroup cgroup /sys/fs/cgroup/systemd ffff8801376696c0 ffff88012b39f000 pstore pstore /sys/fs/pstore ffff880137669880 ffff88012aa71000 cgroup cgroup /sys/fs/cgroup/cpu,cpuacct ffff880137669a40 ffff88012aa70800 cgroup cgroup /sys/fs/cgroup/hugetlb ffff880137669c00 ffff88012aa70000 cgroup cgroup /sys/fs/cgroup/memory ffff880137669dc0 ffff88012aa71800 cgroup cgroup /sys/fs/cgroup/devices ffff88012aade000 ffff88012aa72000 cgroup cgroup /sys/fs/cgroup/net_cls,net_prio ffff88012aade1c0 ffff88012aa72800 cgroup cgroup /sys/fs/cgroup/blkio ffff88012aade380 ffff88012aa73000 cgroup cgroup /sys/fs/cgroup/perf_event ffff88012aade540 ffff88012aa73800 cgroup cgroup /sys/fs/cgroup/pids ffff88012aade700 ffff88012aa74000 cgroup cgroup /sys/fs/cgroup/freezer ffff88012aade8c0 ffff88012aa74800 cgroup cgroup /sys/fs/cgroup/cpuset ffff8800b6d441c0 ffff8800b6d59800 configfs configfs /sys/kernel/config ffff8800b6d44380 ffff8800b6d5f800 ext4 /dev/nbd0 / ffff8800b630e540 ffff8800b6d59000 rpc_pipefs rpc_pipefs /var/lib/nfs/rpc_pipefs ffff8800b630e700 ffff88012e574800 autofs systemd-1 /proc/sys/fs/binfmt_misc ffff8800b6d44540 ffff88013767e000 mqueue mqueue /dev/mqueue ffff8800b6d44700 ffff8800b6d58000 hugetlbfs hugetlbfs /dev/hugepages ffff8800b630e8c0 ffff880139947800 debugfs debugfs /sys/kernel/debug ffff88012aadec40 ffff8800b6049800 binfmt_misc binfmt_misc /proc/sys/fs/binfmt_misc/ ffff88012aadefc0 ffff88012e576000 ramfs none /mnt ffff8800b630ea80 ffff8800b63f5000 tmpfs none /var/lib/stateless/writable ffff88012b25ee00 ffff88012a558000 squashfs /dev/vda /home/green/git/lustre-release ffff88012aadf180 ffff8800b63f5000 tmpfs none /var/cache/man ffff88012aadf340 ffff8800b63f5000 tmpfs none /var/log ffff8800b6d448c0 ffff8800b63f5000 tmpfs none /var/lib/dbus ffff88012b25efc0 ffff8800b63f5000 tmpfs none /tmp ffff88012aadf500 ffff8800b63f5000 tmpfs none /var/lib/dhclient ffff8800b630ec40 ffff8800b63f5000 tmpfs none /var/tmp ffff8800b630ee00 ffff8800b63f5000 tmpfs none /var/lib/NetworkManager ffff8800b6d44a80 ffff8800b63f5000 tmpfs none /var/lib/systemd/random-seed ffff88012aadf6c0 ffff8800b63f5000 tmpfs none /var/spool ffff88012aadf880 ffff8800b63f5000 tmpfs none /var/lib/nfs ffff88012aadfa40 ffff8800b63f5000 tmpfs none /var/lib/gssproxy ffff88012aadfc00 ffff8800b63f5000 tmpfs none /var/lib/logrotate ffff8800b630efc0 ffff8800b63f5000 tmpfs none /etc ffff88012aadfdc0 ffff8800b63f5000 tmpfs none /var/lib/rsyslog ffff880137668540 ffff8800b63f5000 tmpfs none /var/lib/dhclient/var/lib/dhclient ffff8800b6d44c40 ffff8800b41c0800 nfs4 192.168.200.253:/exports/state/oleg109-client.virtnet /var/lib/stateless/state ffff8800b6d44fc0 ffff8800b41c0800 nfs4 192.168.200.253:/exports/state/oleg109-client.virtnet /boot ffff8800b4368000 ffff8800b41c0800 nfs4 192.168.200.253:/exports/state/oleg109-client.virtnet /etc/etc/kdump.conf ffff8800b43681c0 ffff8800b6d59000 rpc_pipefs sunrpc /var/lib/nfs/var/lib/nfs/rpc_pipefs ffff8800b058a380 ffff8800b6049000 nfs4 192.168.200.253://exports/testreports/52899/testresults/sanityn-ldiskfs-DNE-centos7_x86_64-centos7_x86_64-retry2 /tmp/tmp/testlogs ffff8800b6d45c00 ffff88012b39f800 tmpfs tmpfs /run/user/0 ffff8800b051ca80 ffff88012a558000 squashfs /dev/vda /usr/sbin/mount.lustre ffff8800b051c8c0 ffff8800b5adf000 lustre 192.168.201.109@tcp:/lustre /mnt/lustre ffff8800b051cc40 ffff8800b63f7800 lustre 192.168.201.109@tcp:/lustre /mnt/lustre2 +-------------------------------+ >----------------------| Last 40 lines of dmesg buffer |----------------------< +-------------------------------+ [ 907.681188] [] ? _raw_spin_unlock+0xe/0x20 [ 907.682112] [] ? cfs_trace_unlock_tcd+0x27/0x70 [libcfs] [ 907.683955] [] ? libcfs_debug_msg+0x4c9/0xc60 [libcfs] [ 907.685389] [] ? _raw_spin_unlock+0xe/0x20 [ 907.686979] [] ll_readpage+0xe/0x10 [lustre] [ 907.688345] [] do_generic_file_read.constprop.52+0x225/0x540 [ 907.690358] [] generic_file_aio_read+0x1c9/0x290 [ 907.691356] [] do_file_read_iter+0x96a/0x1370 [lustre] [ 907.692744] [] ? current_fs_time+0x12/0x60 [ 907.695053] [] ll_file_read_iter+0x2d/0x40 [lustre] [ 907.697044] [] ll_file_aio_read+0x1b1/0x210 [lustre] [ 907.698990] [] ll_file_read+0x111/0x1e0 [lustre] [ 907.701019] [] vfs_read+0xb9/0x1c0 [ 907.702958] [] SyS_read+0x7f/0xf0 [ 907.704661] [] system_call_fastpath+0x1f/0x24 [ 907.707012] Kernel panic - not syncing: LBUG [ 907.708538] CPU: 2 PID: 682 Comm: diff Kdump: loaded Tainted: G W OE ------------ 3.10.0-7.9-debug #1 [ 907.712029] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.3-2.fc40 04/01/2014 [ 907.714641] Call Trace: [ 907.715617] [] dump_stack+0x19/0x1b [ 907.717390] [] panic+0xe8/0x20d [ 907.718421] [] lbug_with_loc+0x95/0xa0 [libcfs] [ 907.720226] [] cl_env_percpu_put+0x7e/0xb0 [obdclass] [ 907.722233] [] do_read_folio+0x6fc/0x1290 [lustre] [ 907.724313] [] ? do_raw_spin_unlock+0x49/0x90 [ 907.726418] [] ? _raw_spin_unlock+0xe/0x20 [ 907.731137] [] ? cfs_trace_unlock_tcd+0x27/0x70 [libcfs] [ 907.734886] [] ? libcfs_debug_msg+0x4c9/0xc60 [libcfs] [ 907.737868] [] ? _raw_spin_unlock+0xe/0x20 [ 907.740062] [] ll_readpage+0xe/0x10 [lustre] [ 907.742156] [] do_generic_file_read.constprop.52+0x225/0x540 [ 907.744464] [] generic_file_aio_read+0x1c9/0x290 [ 907.746775] [] do_file_read_iter+0x96a/0x1370 [lustre] [ 907.749091] [] ? current_fs_time+0x12/0x60 [ 907.751097] [] ll_file_read_iter+0x2d/0x40 [lustre] [ 907.754018] [] ll_file_aio_read+0x1b1/0x210 [lustre] [ 907.761396] [] ll_file_read+0x111/0x1e0 [lustre] [ 907.764916] [] vfs_read+0xb9/0x1c0 [ 907.766668] [] SyS_read+0x7f/0xf0 [ 907.774930] [] 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 12.11s (real) 6.20s (CPU), Child processes: 5.71s