************************ crashinfo ************************* /exports/testreports/52899/testresults/sanityn-zfs-centos7_x86_64-centos7_x86_64-retry4/oleg404-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.FHey2/vmlinux [TAINTED] DUMPFILE: /exports/testreports/52899/testresults/sanityn-zfs-centos7_x86_64-centos7_x86_64-retry4/oleg404-client-vmcore [PARTIAL DUMP] CPUS: 4 DATE: Sun Jun 22 07:17:21 EDT 2025 UPTIME: 00:08:11 LOAD AVERAGE: 0.85, 0.76, 0.39 TASKS: 162 NODENAME: oleg404-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=30074 CPU=2 CMD=dd #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 32 last 5s 48 last 60s 74 ----- Total Numbers of Threads per State ------ TASK_INTERRUPTIBLE 156 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 ----- -------------- ------ ---------------------------- 46 kworker/0:1 0 ms (no user stack) 907 rs:main Q:Reg 0 ms (no user stack) 562 systemd-journal 0 ms (no user stack) 30074 dd 4 ms (no user stack) 34 rcuos/3 19 ms (no user stack) +------------------------+ >-------------------------| Memory Usage (kmem -i) |-------------------------< +------------------------+ PAGES TOTAL PERCENTAGE TOTAL MEM 955079 3.6 GB ---- FREE 784805 3 GB 82% of TOTAL MEM USED 170274 665.1 MB 17% of TOTAL MEM SHARED 52347 204.5 MB 5% of TOTAL MEM BUFFERS 5358 20.9 MB 0% of TOTAL MEM CACHED 114792 448.4 MB 12% of TOTAL MEM SLAB 14663 57.3 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 88195 344.5 MB 11% 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=dd ---+ CPU=3 ---- | CURRENT TASK , CMD=swapper/3 +------------------------+ >-------------------------| Network Status Summary |-------------------------< +------------------------+ TCP Connection Info ------------------- ESTABLISHED 6 TIME_WAIT 22 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 489.7 eth0 n/a 0.0 RSS_TOTAL=77400 pages, %mem= 1.2 +------------+ >-------------------------------| Mounted FS |-------------------------------< +------------+ MOUNT SUPERBLK TYPE DEVNAME DIRNAME ffff880138cca000 ffff880139940800 rootfs rootfs / ffff880137668380 ffff880137679000 sysfs sysfs /sys ffff880137668540 ffff880139944000 proc proc /proc ffff880137668700 ffff880137678000 devtmpfs devtmpfs /dev ffff8801376688c0 ffff8800b6c98000 securityfs securityfs /sys/kernel/security ffff880137668a80 ffff880137679800 tmpfs tmpfs /dev/shm ffff880137668c40 ffff8801372e6000 devpts devpts /dev/pts ffff880137668e00 ffff88013767a000 tmpfs tmpfs /run ffff880137668fc0 ffff88013767a800 tmpfs tmpfs /sys/fs/cgroup ffff880137669180 ffff88013767b000 cgroup cgroup /sys/fs/cgroup/systemd ffff880137669340 ffff88013767b800 pstore pstore /sys/fs/pstore ffff880138ccafc0 ffff880137154800 cgroup cgroup /sys/fs/cgroup/freezer ffff880138ccb180 ffff880137155000 cgroup cgroup /sys/fs/cgroup/blkio ffff880138ccb340 ffff880137155800 cgroup cgroup /sys/fs/cgroup/cpuset ffff880138ccb500 ffff880137156000 cgroup cgroup /sys/fs/cgroup/cpu,cpuacct ffff880138ccb6c0 ffff880137156800 cgroup cgroup /sys/fs/cgroup/memory ffff880138ccb880 ffff880137157000 cgroup cgroup /sys/fs/cgroup/pids ffff880138ccba40 ffff880137157800 cgroup cgroup /sys/fs/cgroup/devices ffff880138ccbc00 ffff88012aa68000 cgroup cgroup /sys/fs/cgroup/perf_event ffff880138ccbdc0 ffff88012aa68800 cgroup cgroup /sys/fs/cgroup/net_cls,net_prio ffff88012aa50000 ffff88012aa69000 cgroup cgroup /sys/fs/cgroup/hugetlb ffff88012b226c40 ffff8800b6c9b000 configfs configfs /sys/kernel/config ffff8800b6f07180 ffff88012a4e5000 ext4 /dev/nbd0 / ffff880137669500 ffff8800b6d1c000 rpc_pipefs rpc_pipefs /var/lib/nfs/rpc_pipefs ffff88012b227180 ffff8800b6c9c800 autofs systemd-1 /proc/sys/fs/binfmt_misc ffff8800b6f07340 ffff880139947800 debugfs debugfs /sys/kernel/debug ffff88012aa50380 ffff88012aab5000 hugetlbfs hugetlbfs /dev/hugepages ffff880137669c00 ffff8801372e7800 mqueue mqueue /dev/mqueue ffff8800b6f07500 ffff8800b5c0c800 binfmt_misc binfmt_misc /proc/sys/fs/binfmt_misc/ ffff88012b227500 ffff8800b6c99000 ramfs none /mnt ffff88012b2276c0 ffff8800b6c9a000 tmpfs none /var/lib/stateless/writable ffff8800b6f076c0 ffff88012a460000 squashfs /dev/vda /home/green/git/lustre-release ffff8800b6f07a40 ffff8800b6c9a000 tmpfs none /var/cache/man ffff880137669dc0 ffff8800b6c9a000 tmpfs none /var/log ffff8800b6f07c00 ffff8800b6c9a000 tmpfs none /var/lib/dbus ffff8800b6f07dc0 ffff8800b6c9a000 tmpfs none /tmp ffff880137669a40 ffff8800b6c9a000 tmpfs none /var/lib/dhclient ffff880137669880 ffff8800b6c9a000 tmpfs none /var/tmp ffff8801376696c0 ffff8800b6c9a000 tmpfs none /var/lib/NetworkManager ffff88012b227880 ffff8800b6c9a000 tmpfs none /var/lib/systemd/random-seed ffff8800b66d0000 ffff8800b6c9a000 tmpfs none /var/spool ffff8800b6f06000 ffff8800b6c9a000 tmpfs none /var/lib/nfs ffff88012b227a40 ffff8800b6c9a000 tmpfs none /var/lib/gssproxy ffff8800b6ffe000 ffff8800b6c9a000 tmpfs none /var/lib/logrotate ffff88012b227c00 ffff8800b6c9a000 tmpfs none /etc ffff8800b6ffe1c0 ffff8800b6c9a000 tmpfs none /var/lib/rsyslog ffff8800b6ffe380 ffff8800b6c9a000 tmpfs none /var/lib/dhclient/var/lib/dhclient ffff8800b66d01c0 ffff8800b66c4000 nfs4 192.168.200.253:/exports/state/oleg404-client.virtnet /var/lib/stateless/state ffff8800b6ffe700 ffff8800b66c4000 nfs4 192.168.200.253:/exports/state/oleg404-client.virtnet /boot ffff8800b6ffe8c0 ffff8800b66c4000 nfs4 192.168.200.253:/exports/state/oleg404-client.virtnet /etc/etc/kdump.conf ffff88012aa50540 ffff8800b6d1c000 rpc_pipefs sunrpc /var/lib/nfs/var/lib/nfs/rpc_pipefs ffff880136904fc0 ffff8800b6771000 nfs4 192.168.200.253://exports/testreports/52899/testresults/sanityn-zfs-centos7_x86_64-centos7_x86_64-retry4 /tmp/tmp/testlogs ffff88012aa51180 ffff8800b6745800 tmpfs tmpfs /run/user/0 ffff8801369056c0 ffff88012a460000 squashfs /dev/vda /usr/sbin/mount.lustre ffff8800b6ffea80 ffff88012aab2000 lustre 192.168.204.104@tcp:/lustre /mnt/lustre ffff880136905a40 ffff88012e1be000 lustre 192.168.204.104@tcp:/lustre /mnt/lustre2 +-------------------------------+ >----------------------| Last 40 lines of dmesg buffer |----------------------< +-------------------------------+ [ 492.474230] [] do_read_folio+0x6fc/0x1290 [lustre] [ 492.476989] [] ? do_raw_spin_unlock+0x49/0x90 [ 492.480030] [] ? _raw_spin_unlock+0xe/0x20 [ 492.482604] [] ? cfs_trace_unlock_tcd+0x27/0x70 [libcfs] [ 492.486012] [] ? libcfs_debug_msg+0x4c9/0xc60 [libcfs] [ 492.490706] [] ? _raw_spin_unlock+0xe/0x20 [ 492.493367] [] ll_readpage+0xe/0x10 [lustre] [ 492.498384] [] do_generic_file_read.constprop.52+0x225/0x540 [ 492.503171] [] generic_file_aio_read+0x1c9/0x290 [ 492.507489] [] do_file_read_iter+0x96a/0x1370 [lustre] [ 492.509153] [] ll_file_read_iter+0x2d/0x40 [lustre] [ 492.511286] [] ll_file_aio_read+0x1b1/0x210 [lustre] [ 492.513946] [] ll_file_read+0x111/0x1e0 [lustre] [ 492.516542] [] vfs_read+0xb9/0x1c0 [ 492.518853] [] SyS_read+0x7f/0xf0 [ 492.520925] [] system_call_fastpath+0x1f/0x24 [ 492.523516] Kernel panic - not syncing: LBUG [ 492.525524] CPU: 2 PID: 30074 Comm: dd Kdump: loaded Tainted: G W OE ------------ 3.10.0-7.9-debug #1 [ 492.529467] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.2-1.fc38 04/01/2014 [ 492.532580] Call Trace: [ 492.533537] [] dump_stack+0x19/0x1b [ 492.535416] [] panic+0xe8/0x20d [ 492.537061] [] lbug_with_loc+0x95/0xa0 [libcfs] [ 492.539289] [] cl_env_percpu_put+0x7e/0xb0 [obdclass] [ 492.542642] [] do_read_folio+0x6fc/0x1290 [lustre] [ 492.545451] [] ? do_raw_spin_unlock+0x49/0x90 [ 492.548015] [] ? _raw_spin_unlock+0xe/0x20 [ 492.550546] [] ? cfs_trace_unlock_tcd+0x27/0x70 [libcfs] [ 492.553442] [] ? libcfs_debug_msg+0x4c9/0xc60 [libcfs] [ 492.556875] [] ? _raw_spin_unlock+0xe/0x20 [ 492.558904] [] ll_readpage+0xe/0x10 [lustre] [ 492.561226] [] do_generic_file_read.constprop.52+0x225/0x540 [ 492.564047] [] generic_file_aio_read+0x1c9/0x290 [ 492.566576] [] do_file_read_iter+0x96a/0x1370 [lustre] [ 492.569549] [] ll_file_read_iter+0x2d/0x40 [lustre] [ 492.571652] [] ll_file_aio_read+0x1b1/0x210 [lustre] [ 492.573487] [] ll_file_read+0x111/0x1e0 [lustre] [ 492.577028] [] vfs_read+0xb9/0x1c0 [ 492.579337] [] SyS_read+0x7f/0xf0 [ 492.581069] [] 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 12.26s (real) 6.24s (CPU), Child processes: 5.82s