************************ crashinfo ************************* /exports/testreports/52899/testresults/sanity-flr-ldiskfs-DNE-centos7_x86_64-centos7_x86_64-retry1/oleg203-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.dMxYA/vmlinux [TAINTED] DUMPFILE: /exports/testreports/52899/testresults/sanity-flr-ldiskfs-DNE-centos7_x86_64-centos7_x86_64-retry1/oleg203-client-vmcore [PARTIAL DUMP] CPUS: 4 DATE: Sun Jun 22 07:23:09 EDT 2025 UPTIME: 00:04:44 LOAD AVERAGE: 0.88, 0.45, 0.18 TASKS: 158 NODENAME: oleg203-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=24561 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 50 last 5s 60 last 60s 71 ----- Total Numbers of Threads per State ------ TASK_INTERRUPTIBLE 150 TASK_RUNNING 5 +++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) 2005 lnet_discovery 0 ms (no user stack) 1130 sshd 0 ms (no user stack) 904 in:imjournal 0 ms (no user stack) 567 systemd-journal 3 ms (no user stack) +------------------------+ >-------------------------| Memory Usage (kmem -i) |-------------------------< +------------------------+ PAGES TOTAL PERCENTAGE TOTAL MEM 955079 3.6 GB ---- FREE 873191 3.3 GB 91% of TOTAL MEM USED 81888 319.9 MB 8% of TOTAL MEM SHARED 8231 32.2 MB 0% of TOTAL MEM BUFFERS 1212 4.7 MB 0% of TOTAL MEM CACHED 20102 78.5 MB 2% of TOTAL MEM SLAB 9878 38.6 MB 1% of TOTAL MEM TOTAL HUGE 0 0 ---- HUGE FREE 0 0 0% of TOTAL HUGE TOTAL SWAP 262143 1024 MB ---- SWAP USED 0 0 0% of TOTAL SWAP SWAP FREE 262143 1024 MB 100% of TOTAL SWAP COMMIT LIMIT 739682 2.8 GB ---- COMMITTED 62221 243.1 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 30 ksoftirqd/3 0.03618 -- RT Queues --- prio=0 len=1 1 Real-Time processes on this CPU +------------------------+ >-------------------------| Network Status Summary |-------------------------< +------------------------+ TCP Connection Info ------------------- ESTABLISHED 6 TIME_WAIT 78 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 -------------------- CLOSE 1 Interfaces Info --------------- How long ago (in seconds) interfaces transmitted/received? Name RX TX ---- ---------- --------- lo n/a 281.7 eth0 n/a 0.0 RSS_TOTAL=74636 pages, %mem= 1.2 +------------+ >-------------------------------| Mounted FS |-------------------------------< +------------+ MOUNT SUPERBLK TYPE DEVNAME DIRNAME ffff880138cca000 ffff880139940800 rootfs rootfs / ffff88012aa3c000 ffff88012aab8000 sysfs sysfs /sys ffff88012aa3c1c0 ffff880139944000 proc proc /proc ffff88012aa3c380 ffff880137678000 devtmpfs devtmpfs /dev ffff88012aa3c540 ffff8800b7b5f800 securityfs securityfs /sys/kernel/security ffff88012aa3c700 ffff88012aab8800 tmpfs tmpfs /dev/shm ffff88012aa3c8c0 ffff880137169800 devpts devpts /dev/pts ffff88012aa3ca80 ffff88012aab9000 tmpfs tmpfs /run ffff88012aa3cc40 ffff88012aab9800 tmpfs tmpfs /sys/fs/cgroup ffff88012aa3ce00 ffff88012aaba000 cgroup cgroup /sys/fs/cgroup/systemd ffff88012aa3cfc0 ffff88012aaba800 pstore pstore /sys/fs/pstore ffff88012aaaa000 ffff8800b6cda800 cgroup cgroup /sys/fs/cgroup/pids ffff88012aaaa1c0 ffff8800b6cda000 cgroup cgroup /sys/fs/cgroup/devices ffff88012aaaa380 ffff8800b6cd9800 cgroup cgroup /sys/fs/cgroup/cpuset ffff88012aaaa540 ffff8800b6cd9000 cgroup cgroup /sys/fs/cgroup/cpu,cpuacct ffff88012aaaa700 ffff8800b6cdb000 cgroup cgroup /sys/fs/cgroup/memory ffff88012aaaa8c0 ffff8800b6cdb800 cgroup cgroup /sys/fs/cgroup/freezer ffff88012aaaaa80 ffff8800b6cdc000 cgroup cgroup /sys/fs/cgroup/net_cls,net_prio ffff88012aaaac40 ffff8800b6cdc800 cgroup cgroup /sys/fs/cgroup/blkio ffff88012aaaae00 ffff8800b6cdd000 cgroup cgroup /sys/fs/cgroup/perf_event ffff88012aaaafc0 ffff8800b6cdd800 cgroup cgroup /sys/fs/cgroup/hugetlb ffff880137668380 ffff8800b6e90800 configfs configfs /sys/kernel/config ffff8800b6322540 ffff8800b6366000 ext4 /dev/nbd0 / ffff880138ccbdc0 ffff88012aabf000 rpc_pipefs rpc_pipefs /var/lib/nfs/rpc_pipefs ffff88012aaab880 ffff8800b6050000 hugetlbfs hugetlbfs /dev/hugepages ffff880137668540 ffff88013716b000 mqueue mqueue /dev/mqueue ffff8800b6322700 ffff880139947800 debugfs debugfs /sys/kernel/debug ffff88012aaaba40 ffff8800b6050800 autofs systemd-1 /proc/sys/fs/binfmt_misc ffff88012aaabc00 ffff8800b6051800 binfmt_misc binfmt_misc /proc/sys/fs/binfmt_misc/ ffff8800b63228c0 ffff88012aab6800 ramfs none /mnt ffff880137668700 ffff8800b6367000 tmpfs none /var/lib/stateless/writable ffff8801376688c0 ffff8800b6367800 squashfs /dev/vda /home/green/git/lustre-release ffff880137668a80 ffff8800b6367000 tmpfs none /var/cache/man ffff880137668c40 ffff8800b6367000 tmpfs none /var/log ffff880137668e00 ffff8800b6367000 tmpfs none /var/lib/dbus ffff880137668fc0 ffff8800b6367000 tmpfs none /tmp ffff880137669180 ffff8800b6367000 tmpfs none /var/lib/dhclient ffff880137669340 ffff8800b6367000 tmpfs none /var/tmp ffff880137669500 ffff8800b6367000 tmpfs none /var/lib/NetworkManager ffff8801376696c0 ffff8800b6367000 tmpfs none /var/lib/systemd/random-seed ffff880137669880 ffff8800b6367000 tmpfs none /var/spool ffff8800b3f46000 ffff8800b6367000 tmpfs none /var/lib/nfs ffff8800b6322c40 ffff8800b6367000 tmpfs none /var/lib/gssproxy ffff880137669a40 ffff8800b6367000 tmpfs none /var/lib/logrotate ffff880137669c00 ffff8800b6367000 tmpfs none /etc ffff880137669dc0 ffff8800b6367000 tmpfs none /var/lib/rsyslog ffff88012aa3d180 ffff8800b6367000 tmpfs none /var/lib/dhclient/var/lib/dhclient ffff8800b6322e00 ffff88012aab5000 nfs4 192.168.200.253:/exports/state/oleg203-client.virtnet /var/lib/stateless/state ffff8800b6323340 ffff88012aab5000 nfs4 192.168.200.253:/exports/state/oleg203-client.virtnet /boot ffff8800b6380000 ffff88012aab5000 nfs4 192.168.200.253:/exports/state/oleg203-client.virtnet /etc/etc/kdump.conf ffff8800b63801c0 ffff88012aabf000 rpc_pipefs sunrpc /var/lib/nfs/var/lib/nfs/rpc_pipefs ffff8800afad0380 ffff8800af963800 nfs4 192.168.200.253://exports/testreports/52899/testresults/sanity-flr-ldiskfs-DNE-centos7_x86_64-centos7_x86_64-retry1 /tmp/tmp/testlogs ffff88012e770540 ffff8800af965000 tmpfs tmpfs /run/user/0 ffff8800b6380540 ffff8800b6367800 squashfs /dev/vda /usr/sbin/mount.lustre ffff8800b6380e00 ffff880136a55000 lustre 192.168.202.103@tcp:/lustre /mnt/lustre +-------------------------------+ >----------------------| Last 40 lines of dmesg buffer |----------------------< +-------------------------------+ [ 284.723925] [] do_read_folio+0x6fc/0x1290 [lustre] [ 284.726249] [] ? do_raw_spin_unlock+0x49/0x90 [ 284.731094] [] ? _raw_spin_unlock+0xe/0x20 [ 284.736151] [] ? cfs_trace_unlock_tcd+0x27/0x70 [libcfs] [ 284.740802] [] ? libcfs_debug_msg+0x4c9/0xc60 [libcfs] [ 284.744777] [] ll_readpage+0xe/0x10 [lustre] [ 284.746322] [] do_generic_file_read.constprop.52+0x225/0x540 [ 284.748341] [] generic_file_aio_read+0x1c9/0x290 [ 284.750167] [] do_file_read_iter+0x96a/0x1370 [lustre] [ 284.752300] [] ll_file_read_iter+0x2d/0x40 [lustre] [ 284.754546] [] ll_file_aio_read+0x1b1/0x210 [lustre] [ 284.759983] [] ll_file_read+0x111/0x1e0 [lustre] [ 284.764071] [] vfs_read+0xb9/0x1c0 [ 284.767760] [] ? do_raw_spin_unlock+0x49/0x90 [ 284.770315] [] SyS_read+0x7f/0xf0 [ 284.773348] [] system_call_fastpath+0x1f/0x24 [ 284.778938] Kernel panic - not syncing: LBUG [ 284.780264] CPU: 3 PID: 24561 Comm: md5sum Kdump: loaded Tainted: G W OE ------------ 3.10.0-7.9-debug #1 [ 284.785050] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.2-1.fc38 04/01/2014 [ 284.788120] Call Trace: [ 284.788881] [] dump_stack+0x19/0x1b [ 284.791708] [] panic+0xe8/0x20d [ 284.794309] [] lbug_with_loc+0x95/0xa0 [libcfs] [ 284.798166] [] cl_env_percpu_put+0x7e/0xb0 [obdclass] [ 284.799402] [] do_read_folio+0x6fc/0x1290 [lustre] [ 284.803500] [] ? do_raw_spin_unlock+0x49/0x90 [ 284.805531] [] ? _raw_spin_unlock+0xe/0x20 [ 284.807121] [] ? cfs_trace_unlock_tcd+0x27/0x70 [libcfs] [ 284.809450] [] ? libcfs_debug_msg+0x4c9/0xc60 [libcfs] [ 284.811841] [] ll_readpage+0xe/0x10 [lustre] [ 284.814087] [] do_generic_file_read.constprop.52+0x225/0x540 [ 284.816503] [] generic_file_aio_read+0x1c9/0x290 [ 284.818693] [] do_file_read_iter+0x96a/0x1370 [lustre] [ 284.820753] [] ll_file_read_iter+0x2d/0x40 [lustre] [ 284.822784] [] ll_file_aio_read+0x1b1/0x210 [lustre] [ 284.824714] [] ll_file_read+0x111/0x1e0 [lustre] [ 284.826461] [] vfs_read+0xb9/0x1c0 [ 284.828240] [] ? do_raw_spin_unlock+0x49/0x90 [ 284.830156] [] SyS_read+0x7f/0xf0 [ 284.831044] [] 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 12.14s (real) 6.25s (CPU), Child processes: 5.66s