************************ crashinfo ************************* /exports/testreports/52899/testresults/sanity-pcc-ldiskfs-DNE-centos7_x86_64-centos7_x86_64/oleg205-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.7uYbT/vmlinux [TAINTED] DUMPFILE: /exports/testreports/52899/testresults/sanity-pcc-ldiskfs-DNE-centos7_x86_64-centos7_x86_64/oleg205-client-vmcore [PARTIAL DUMP] CPUS: 4 DATE: Sun Jun 22 07:32:53 EDT 2025 UPTIME: 00:29:18 LOAD AVERAGE: 0.13, 0.37, 0.41 TASKS: 157 NODENAME: oleg205-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=31208 CPU=0 CMD=ll_pcc_31207 #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 kernel_read+0x50 #15 cfs_kernel_read+0x1b #16 pcc_attach_data_archive+0x4fa #17 pcc_readonly_attach+0x5a4 #18 pcc_readonly_attach_thread+0x86 #19 kthread+0xe4 #20 ret_from_fork_nospec_begin+0x7 -- 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=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 35 last 5s 53 last 60s 78 ----- Total Numbers of Threads per State ------ TASK_INTERRUPTIBLE 150 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) 905 in:imjournal 0 ms (no user stack) 564 systemd-journal 3 ms (no user stack) 31208 ll_pcc_31207 5 ms (no user stack) 1120 sshd 72 ms (no user stack) +------------------------+ >-------------------------| Memory Usage (kmem -i) |-------------------------< +------------------------+ PAGES TOTAL PERCENTAGE TOTAL MEM 955079 3.6 GB ---- FREE 863490 3.3 GB 90% of TOTAL MEM USED 91589 357.8 MB 9% of TOTAL MEM SHARED 22682 88.6 MB 2% of TOTAL MEM BUFFERS 233 932 KB 0% of TOTAL MEM CACHED 35140 137.3 MB 3% of TOTAL MEM SLAB 11811 46.1 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 64100 250.4 MB 8% of TOTAL LIMIT +-------------------------------+ >----------------------| Scheduler Runqueues (per CPU) |----------------------< +-------------------------------+ ---+ CPU=0 ---- | CURRENT TASK , CMD=ll_pcc_31207 6 ksoftirqd/0 0.82322 ---+ CPU=1 ---- | CURRENT TASK , CMD=swapper/1 ---+ CPU=2 ---- | CURRENT TASK , CMD=swapper/2 ---+ CPU=3 ---- | CURRENT TASK , CMD=swapper/3 +------------------------+ >-------------------------| Network Status Summary |-------------------------< +------------------------+ TCP Connection Info ------------------- ESTABLISHED 6 TIME_WAIT 59 LISTEN 3 NAGLE disabled (TCP_NODELAY): 6 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 1756.1 eth0 n/a 0.1 RSS_TOTAL=78216 pages, %mem= 1.3 +------------+ >-------------------------------| Mounted FS |-------------------------------< +------------+ MOUNT SUPERBLK TYPE DEVNAME DIRNAME ffff880138cca000 ffff880139940800 rootfs rootfs / ffff880137668380 ffff8800b6d0a000 sysfs sysfs /sys ffff880137668540 ffff880139944000 proc proc /proc ffff880137668700 ffff880137678000 devtmpfs devtmpfs /dev ffff8801376688c0 ffff8800b7c39000 securityfs securityfs /sys/kernel/security ffff880137668a80 ffff8800b6d0a800 tmpfs tmpfs /dev/shm ffff880137668c40 ffff8801372e6000 devpts devpts /dev/pts ffff880137668e00 ffff8800b6d0b000 tmpfs tmpfs /run ffff880137668fc0 ffff8800b6d0b800 tmpfs tmpfs /sys/fs/cgroup ffff880137669180 ffff8800b6d0c000 cgroup cgroup /sys/fs/cgroup/systemd ffff880137669340 ffff8800b6d0c800 pstore pstore /sys/fs/pstore ffff880137669500 ffff8800b6d0e800 cgroup cgroup /sys/fs/cgroup/hugetlb ffff8801376696c0 ffff8800b6d0e000 cgroup cgroup /sys/fs/cgroup/devices ffff880137669880 ffff8800b6d0d800 cgroup cgroup /sys/fs/cgroup/cpu,cpuacct ffff880137669a40 ffff8800b6d0d000 cgroup cgroup /sys/fs/cgroup/pids ffff880137669c00 ffff8800b6d0f000 cgroup cgroup /sys/fs/cgroup/cpuset ffff880137669dc0 ffff8800b6d0f800 cgroup cgroup /sys/fs/cgroup/net_cls,net_prio ffff88012aa1c000 ffff88012aad8000 cgroup cgroup /sys/fs/cgroup/memory ffff88012aa1c1c0 ffff88012aad8800 cgroup cgroup /sys/fs/cgroup/blkio ffff88012aa1c380 ffff88012aad9000 cgroup cgroup /sys/fs/cgroup/freezer ffff88012aa1c540 ffff88012aad9800 cgroup cgroup /sys/fs/cgroup/perf_event ffff8800b60ea000 ffff8800b6e4b000 configfs configfs /sys/kernel/config ffff88012b256c40 ffff8800b7c3a000 ext4 /dev/nbd0 / ffff8800b60ea380 ffff8800b6cc7800 rpc_pipefs rpc_pipefs /var/lib/nfs/rpc_pipefs ffff8800b60eaa80 ffff8800b6e2a800 autofs systemd-1 /proc/sys/fs/binfmt_misc ffff88012b256e00 ffff8801372e7800 mqueue mqueue /dev/mqueue ffff88012b256fc0 ffff8800b62d5000 hugetlbfs hugetlbfs /dev/hugepages ffff88012b257180 ffff880139947800 debugfs debugfs /sys/kernel/debug ffff88012aa1c8c0 ffff88012aada800 binfmt_misc binfmt_misc /proc/sys/fs/binfmt_misc/ ffff88012aa1cc40 ffff88012aada000 ramfs none /mnt ffff88012b257340 ffff88012aadc000 tmpfs none /var/lib/stateless/writable ffff8800b62dc380 ffff8800b6e4e800 squashfs /dev/vda /home/green/git/lustre-release ffff88012aa1ce00 ffff88012aadc000 tmpfs none /var/cache/man ffff88012aa1cfc0 ffff88012aadc000 tmpfs none /var/log ffff88012aa1d180 ffff88012aadc000 tmpfs none /var/lib/dbus ffff8800b60eac40 ffff88012aadc000 tmpfs none /tmp ffff8800b60eae00 ffff88012aadc000 tmpfs none /var/lib/dhclient ffff8800b60eafc0 ffff88012aadc000 tmpfs none /var/tmp ffff8800b60eb180 ffff88012aadc000 tmpfs none /var/lib/NetworkManager ffff8800b60eb340 ffff88012aadc000 tmpfs none /var/lib/systemd/random-seed ffff88012b257500 ffff88012aadc000 tmpfs none /var/spool ffff88012aa1d340 ffff88012aadc000 tmpfs none /var/lib/nfs ffff8800b62dc700 ffff88012aadc000 tmpfs none /var/lib/gssproxy ffff88012aa1d500 ffff88012aadc000 tmpfs none /var/lib/logrotate ffff8800b60eb500 ffff88012aadc000 tmpfs none /etc ffff88012aa1d6c0 ffff88012aadc000 tmpfs none /var/lib/rsyslog ffff88012aa1d880 ffff88012aadc000 tmpfs none /var/lib/dhclient/var/lib/dhclient ffff8800b60eb6c0 ffff88012e148000 nfs4 192.168.200.253:/exports/state/oleg205-client.virtnet /var/lib/stateless/state ffff8800b60eba40 ffff88012e148000 nfs4 192.168.200.253:/exports/state/oleg205-client.virtnet /boot ffff8800b60ebc00 ffff88012e148000 nfs4 192.168.200.253:/exports/state/oleg205-client.virtnet /etc/etc/kdump.conf ffff8800b60ebdc0 ffff8800b6cc7800 rpc_pipefs sunrpc /var/lib/nfs/var/lib/nfs/rpc_pipefs ffff8800b3cb3880 ffff8801376c8800 nfs4 192.168.200.253://exports/testreports/52899/testresults/sanity-pcc-ldiskfs-DNE-centos7_x86_64-centos7_x86_64 /tmp/tmp/testlogs ffff8800b3cb3dc0 ffff8801376cb000 tmpfs tmpfs /run/user/0 ffff8800b5adfc00 ffff8800b6e4e800 squashfs /dev/vda /usr/sbin/mount.lustre ffff8800b60ea700 ffff88013686d000 lustre 192.168.202.105@tcp:/lustre /mnt/lustre ffff8800b60ea8c0 ffff88013686e000 lustre 192.168.202.105@tcp:/lustre /mnt/lustre2 ffff8800b60ea540 ffff8800b625f000 ext4 /dev/loop0 /mnt/pcc.d40.sanity-pcc +-------------------------------+ >----------------------| Last 40 lines of dmesg buffer |----------------------< +-------------------------------+ [ 1758.886234] [] ? pcc_readonly_attach+0xcf0/0xcf0 [lustre] [ 1758.888543] [] kthread+0xe4/0xf0 [ 1758.890146] [] ? kthread_create_on_node+0x140/0x140 [ 1758.893194] [] ret_from_fork_nospec_begin+0x7/0x21 [ 1758.895576] [] ? kthread_create_on_node+0x140/0x140 [ 1758.898847] Kernel panic - not syncing: LBUG [ 1758.900229] CPU: 0 PID: 31208 Comm: ll_pcc_31207 Kdump: loaded Tainted: G W OE ------------ 3.10.0-7.9-debug #1 [ 1758.905517] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.2-1.fc38 04/01/2014 [ 1758.909013] Call Trace: [ 1758.909980] [] dump_stack+0x19/0x1b [ 1758.912713] [] panic+0xe8/0x20d [ 1758.914668] [] lbug_with_loc+0x95/0xa0 [libcfs] [ 1758.916689] [] cl_env_percpu_put+0x7e/0xb0 [obdclass] [ 1758.918764] [] do_read_folio+0x6fc/0x1290 [lustre] [ 1758.920757] [] ? do_raw_spin_unlock+0x49/0x90 [ 1758.923257] [] ? _raw_spin_unlock+0xe/0x20 [ 1758.924894] [] ? cfs_trace_unlock_tcd+0x27/0x70 [libcfs] [ 1758.927237] [] ? libcfs_debug_msg+0x4c9/0xc60 [libcfs] [ 1758.929509] [] ll_readpage+0xe/0x10 [lustre] [ 1758.934421] [] do_generic_file_read.constprop.52+0x225/0x540 [ 1758.936767] [] generic_file_aio_read+0x1c9/0x290 [ 1758.938757] [] do_file_read_iter+0x96a/0x1370 [lustre] [ 1758.940828] [] ll_file_read_iter+0x2d/0x40 [lustre] [ 1758.942731] [] ll_file_aio_read+0x1b1/0x210 [lustre] [ 1758.944513] [] ll_file_read+0x111/0x1e0 [lustre] [ 1758.946715] [] vfs_read+0xb9/0x1c0 [ 1758.948414] [] ? __sb_end_write+0x3c/0x70 [ 1758.949785] [] kernel_read+0x50/0x80 [ 1758.951617] [] cfs_kernel_read+0x1b/0x30 [libcfs] [ 1758.953667] [] pcc_attach_data_archive+0x4fa/0xaf0 [lustre] [ 1758.956249] [] pcc_readonly_attach+0x5a4/0xcf0 [lustre] [ 1758.957989] [] ? dentry_open+0x5a/0xf0 [ 1758.959810] [] ? pcc_readonly_attach+0xcf0/0xcf0 [lustre] [ 1758.962069] [] pcc_readonly_attach_thread+0x86/0x3d0 [lustre] [ 1758.964348] [] ? pcc_readonly_attach+0xcf0/0xcf0 [lustre] [ 1758.966565] [] ? pcc_readonly_attach+0xcf0/0xcf0 [lustre] [ 1758.969215] [] kthread+0xe4/0xf0 [ 1758.970643] [] ? kthread_create_on_node+0x140/0x140 [ 1758.973013] [] ret_from_fork_nospec_begin+0x7/0x21 [ 1758.975413] [] ? kthread_create_on_node+0x140/0x140 ****************************************************************************** ************************ 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 12.08s (real) 6.14s (CPU), Child processes: 5.67s