************************ crashinfo ************************* /exports/testreports/52899/testresults/sanity-pfl-zfs-centos7_x86_64-centos7_x86_64-retry4/oleg239-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.LM25m/vmlinux [TAINTED] DUMPFILE: /exports/testreports/52899/testresults/sanity-pfl-zfs-centos7_x86_64-centos7_x86_64-retry4/oleg239-client-vmcore [PARTIAL DUMP] CPUS: 4 DATE: Sun Jun 22 07:20:17 EDT 2025 UPTIME: 00:03:48 LOAD AVERAGE: 0.75, 0.43, 0.17 TASKS: 159 NODENAME: oleg239-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=18704 CPU=2 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 -- 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 43 last 5s 62 last 60s 72 ----- Total Numbers of Threads per State ------ TASK_INTERRUPTIBLE 153 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) 898 rs:main Q:Reg 0 ms (no user stack) 50 kworker/3:1 0 ms (no user stack) 1126 sshd 0 ms (no user stack) 564 systemd-journal 3 ms (no user stack) +------------------------+ >-------------------------| Memory Usage (kmem -i) |-------------------------< +------------------------+ PAGES TOTAL PERCENTAGE TOTAL MEM 955079 3.6 GB ---- FREE 854053 3.3 GB 89% of TOTAL MEM USED 101026 394.6 MB 10% of TOTAL MEM SHARED 11392 44.5 MB 1% of TOTAL MEM BUFFERS 5274 20.6 MB 0% of TOTAL MEM CACHED 47835 186.9 MB 5% of TOTAL MEM SLAB 12458 48.7 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 62051 242.4 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=md5sum ---+ CPU=3 ---- | CURRENT TASK , CMD=swapper/3 +------------------------+ >-------------------------| Network Status Summary |-------------------------< +------------------------+ TCP Connection Info ------------------- ESTABLISHED 6 TIME_WAIT 77 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 226.7 eth0 n/a 0.0 RSS_TOTAL=76228 pages, %mem= 1.2 +------------+ >-------------------------------| Mounted FS |-------------------------------< +------------+ MOUNT SUPERBLK TYPE DEVNAME DIRNAME ffff880138cca000 ffff880139940800 rootfs rootfs / ffff88012ab18000 ffff88012ab20000 sysfs sysfs /sys ffff88012ab181c0 ffff880139944000 proc proc /proc ffff88012ab18380 ffff880137678000 devtmpfs devtmpfs /dev ffff88012ab18540 ffff8800b6ccf000 securityfs securityfs /sys/kernel/security ffff88012ab18700 ffff88012ab20800 tmpfs tmpfs /dev/shm ffff88012ab188c0 ffff8801372fe000 devpts devpts /dev/pts ffff88012ab18a80 ffff88012ab21000 tmpfs tmpfs /run ffff88012ab18c40 ffff88012ab21800 tmpfs tmpfs /sys/fs/cgroup ffff88012ab18e00 ffff88012ab22000 cgroup cgroup /sys/fs/cgroup/systemd ffff88012ab18fc0 ffff88012ab22800 pstore pstore /sys/fs/pstore ffff88012ab19180 ffff88012ab24800 cgroup cgroup /sys/fs/cgroup/cpuset ffff88012ab19340 ffff88012ab24000 cgroup cgroup /sys/fs/cgroup/perf_event ffff88012ab19500 ffff88012ab23800 cgroup cgroup /sys/fs/cgroup/memory ffff88012ab196c0 ffff88012ab23000 cgroup cgroup /sys/fs/cgroup/hugetlb ffff88012ab19880 ffff88012ab25000 cgroup cgroup /sys/fs/cgroup/freezer ffff88012ab19a40 ffff88012ab25800 cgroup cgroup /sys/fs/cgroup/net_cls,net_prio ffff88012ab19c00 ffff88012ab26000 cgroup cgroup /sys/fs/cgroup/pids ffff88012ab19dc0 ffff88012ab26800 cgroup cgroup /sys/fs/cgroup/devices ffff88012aa62000 ffff88012ab27000 cgroup cgroup /sys/fs/cgroup/cpu,cpuacct ffff88012aa621c0 ffff88012ab27800 cgroup cgroup /sys/fs/cgroup/blkio ffff8801376688c0 ffff88012aae3800 configfs configfs /sys/kernel/config ffff880138ccbc00 ffff88012a60b800 ext4 /dev/nbd0 / ffff88012aa628c0 ffff88012aa2e000 rpc_pipefs rpc_pipefs /var/lib/nfs/rpc_pipefs ffff880137668c40 ffff8800b6503000 autofs systemd-1 /proc/sys/fs/binfmt_misc ffff880138ccbdc0 ffff880139947800 debugfs debugfs /sys/kernel/debug ffff88012e1e6000 ffff8801372ff800 mqueue mqueue /dev/mqueue ffff880137668e00 ffff8800b6502800 hugetlbfs hugetlbfs /dev/hugepages ffff88012aa62a80 ffff8800b6453000 binfmt_misc binfmt_misc /proc/sys/fs/binfmt_misc/ ffff88012b27afc0 ffff88012b2c1800 ramfs none /mnt ffff88012aa62c40 ffff8800b5911000 tmpfs none /var/lib/stateless/writable ffff88012aa62e00 ffff8800b5915000 squashfs /dev/vda /home/green/git/lustre-release ffff88012aa62fc0 ffff8800b5911000 tmpfs none /var/cache/man ffff880137669180 ffff8800b5911000 tmpfs none /var/log ffff88012b27b180 ffff8800b5911000 tmpfs none /var/lib/dbus ffff88012aa63180 ffff8800b5911000 tmpfs none /tmp ffff88012b27b340 ffff8800b5911000 tmpfs none /var/lib/dhclient ffff88012aa63340 ffff8800b5911000 tmpfs none /var/tmp ffff88012aa63500 ffff8800b5911000 tmpfs none /var/lib/NetworkManager ffff880137669340 ffff8800b5911000 tmpfs none /var/lib/systemd/random-seed ffff880137669500 ffff8800b5911000 tmpfs none /var/spool ffff8801376696c0 ffff8800b5911000 tmpfs none /var/lib/nfs ffff880137669880 ffff8800b5911000 tmpfs none /var/lib/gssproxy ffff88012e1e6380 ffff8800b5911000 tmpfs none /var/lib/logrotate ffff88012b27b500 ffff8800b5911000 tmpfs none /etc ffff880137669a40 ffff8800b5911000 tmpfs none /var/lib/rsyslog ffff88012aa636c0 ffff8800b5911000 tmpfs none /var/lib/dhclient/var/lib/dhclient ffff88012aa63880 ffff8800b6452000 nfs4 192.168.200.253:/exports/state/oleg239-client.virtnet /var/lib/stateless/state ffff880137669dc0 ffff8800b6452000 nfs4 192.168.200.253:/exports/state/oleg239-client.virtnet /boot ffff880137669c00 ffff8800b6452000 nfs4 192.168.200.253:/exports/state/oleg239-client.virtnet /etc/etc/kdump.conf ffff88012aa63a40 ffff88012aa2e000 rpc_pipefs sunrpc /var/lib/nfs/var/lib/nfs/rpc_pipefs ffff8800b3eebdc0 ffff8800b583d000 nfs4 192.168.200.253://exports/testreports/52899/testresults/sanity-pfl-zfs-centos7_x86_64-centos7_x86_64-retry4 /tmp/tmp/testlogs ffff88012b27ba40 ffff88012bddc800 tmpfs tmpfs /run/user/0 ffff8800b3885c00 ffff8800b5915000 squashfs /dev/vda /usr/sbin/mount.lustre ffff88012b27bc00 ffff8800b6446000 lustre 192.168.202.139@tcp:/lustre /mnt/lustre +-------------------------------+ >----------------------| Last 40 lines of dmesg buffer |----------------------< +-------------------------------+ [ 229.474137] CPU: 2 PID: 18704 Comm: md5sum Kdump: loaded Tainted: G W OE ------------ 3.10.0-7.9-debug #1 [ 229.480626] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.2-1.fc38 04/01/2014 [ 229.485150] Call Trace: [ 229.487064] [] dump_stack+0x19/0x1b [ 229.489850] [] lbug_with_loc+0x4d/0xa0 [libcfs] [ 229.491709] [] cl_env_percpu_put+0x7e/0xb0 [obdclass] [ 229.496134] [] do_read_folio+0x6fc/0x1290 [lustre] [ 229.500136] [] ? __delayacct_blkio_end+0x34/0x60 [ 229.504257] [] ? io_schedule_timeout+0xe7/0x130 [ 229.506909] [] ll_readpage+0xe/0x10 [lustre] [ 229.508733] [] do_generic_file_read.constprop.52+0x225/0x540 [ 229.511205] [] generic_file_aio_read+0x1c9/0x290 [ 229.513375] [] do_file_read_iter+0x96a/0x1370 [lustre] [ 229.515819] [] ll_file_read_iter+0x2d/0x40 [lustre] [ 229.519028] [] ll_file_aio_read+0x1b1/0x210 [lustre] [ 229.522447] [] ll_file_read+0x111/0x1e0 [lustre] [ 229.526125] [] vfs_read+0xb9/0x1c0 [ 229.529808] [] SyS_read+0x7f/0xf0 [ 229.531639] [] system_call_fastpath+0x1f/0x24 [ 229.533785] Kernel panic - not syncing: LBUG [ 229.535301] CPU: 2 PID: 18704 Comm: md5sum Kdump: loaded Tainted: G W OE ------------ 3.10.0-7.9-debug #1 [ 229.540497] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.2-1.fc38 04/01/2014 [ 229.543636] Call Trace: [ 229.544419] [] dump_stack+0x19/0x1b [ 229.548641] [] panic+0xe8/0x20d [ 229.550712] [] lbug_with_loc+0x95/0xa0 [libcfs] [ 229.552996] [] cl_env_percpu_put+0x7e/0xb0 [obdclass] [ 229.555449] [] do_read_folio+0x6fc/0x1290 [lustre] [ 229.557453] [] ? __delayacct_blkio_end+0x34/0x60 [ 229.559368] [] ? io_schedule_timeout+0xe7/0x130 [ 229.561344] [] ll_readpage+0xe/0x10 [lustre] [ 229.562731] [] do_generic_file_read.constprop.52+0x225/0x540 [ 229.565200] [] generic_file_aio_read+0x1c9/0x290 [ 229.567106] [] do_file_read_iter+0x96a/0x1370 [lustre] [ 229.569419] [] ll_file_read_iter+0x2d/0x40 [lustre] [ 229.571226] [] ll_file_aio_read+0x1b1/0x210 [lustre] [ 229.573291] [] ll_file_read+0x111/0x1e0 [lustre] [ 229.575606] [] vfs_read+0xb9/0x1c0 [ 229.578227] [] SyS_read+0x7f/0xf0 [ 229.579894] [] 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 11.96s (real) 6.16s (CPU), Child processes: 5.67s