************************ crashinfo ************************* /exports/testreports/52899/testresults/sanity-pcc-zfs-centos7_x86_64-centos7_x86_64-retry2/oleg459-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.a6Iqh/vmlinux [TAINTED] DUMPFILE: /exports/testreports/52899/testresults/sanity-pcc-zfs-centos7_x86_64-centos7_x86_64-retry2/oleg459-client-vmcore [PARTIAL DUMP] CPUS: 4 DATE: Sun Jun 22 07:39:17 EDT 2025 UPTIME: 00:25:42 LOAD AVERAGE: 6.10, 3.16, 1.48 TASKS: 190 NODENAME: oleg459-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=16179 CPU=0 CMD=dd #0 crash_nmi_callback+0x31 #1 nmi_handle+0x97 #2 do_nmi+0x12c #3 end_repeat_nmi+0x1e #-1 kmemleak_alloc+0x25, 507 bytes of data #4 kmemleak_alloc+0x25 #5 kmem_cache_alloc+0x11b #6 jbd2__journal_start+0x90 #7 __ext4_journal_start_sb+0x6d #8 ext4_da_write_begin+0x121 #9 generic_file_buffered_write+0x108 #10 __generic_file_aio_write+0x1e2 #11 generic_file_aio_write+0x59 #12 ext4_file_write+0x348 #13 do_sync_write+0x8d #14 vfs_write+0xd6 #15 cfs_kernel_write+0x2c #16 pcc_attach_data_archive+0x532 #17 pcc_readonly_attach+0x5a4 #18 pcc_readonly_attach_sync+0x1a6 #19 pcc_try_readonly_open_attach+0x25f #20 pcc_file_open+0x5b2 #21 ll_file_open+0xe36 #22 do_dentry_open+0x1df #23 vfs_open+0x5a #24 do_last+0x1fd #25 path_openat+0xcd #26 do_filp_open+0x4d #27 do_sys_open+0x124 #28 sys_open+0x1e #29 system_call_fastpath+0x1f, 477 bytes of data -- CPU#1 -- PID=16185 CPU=1 CMD=dd #0 crash_nmi_callback+0x31 #1 nmi_handle+0x97 #2 do_nmi+0x12c #3 end_repeat_nmi+0x1e #-1 copy_user_enhanced_fast_string+0x9, 507 bytes of data #4 copy_user_enhanced_fast_string+0x9 #5 file_read_actor+0x9a #6 do_generic_file_read.constprop.52+0x2f4 #7 generic_file_aio_read+0x1c9 #8 do_file_read_iter+0x96a #9 ll_file_read_iter+0x2d #10 ll_file_aio_read+0x1b1 #11 ll_file_read+0x111 #12 vfs_read+0xb9 #13 sys_read+0x7f #14 system_call_fastpath+0x1f, 477 bytes of data -- CPU#2 -- PID=16177 CPU=2 CMD=dd #0 machine_kexec+0x19e #1 __crash_kexec+0x72 #2 panic+0xf3 #3 lbug_with_loc+0x95 #4 cl_env_init0+0x6f #5 cl_env_percpu_get+0x3e #6 do_read_folio+0xf92 #7 ll_readpage+0xe #8 do_generic_file_read.constprop.52+0x225 #9 generic_file_aio_read+0x1c9 #10 do_file_read_iter+0x96a #11 ll_file_read_iter+0x2d #12 ll_file_aio_read+0x1b1 #13 ll_file_read+0x111 #14 vfs_read+0xb9 #15 sys_read+0x7f #16 system_call_fastpath+0x1f, 477 bytes of data -- CPU#3 -- PID=16180 CPU=3 CMD=dd #0 crash_nmi_callback+0x31 #1 nmi_handle+0x97 #2 do_nmi+0x12c #3 end_repeat_nmi+0x1e #-1 io_serial_out+0x18, 507 bytes of data #4 io_serial_out+0x18 #5 serial8250_console_putchar+0x27 #6 uart_console_write+0x3a #7 serial8250_console_write+0xae #8 call_console_drivers.constprop.17+0x90 #9 console_unlock+0x469 #10 vprintk_emit+0x3e4 #11 vprintk_default+0x29 #12 printk+0x5d #13 show_trace_log_lvl+0x1f0 #14 show_stack+0x4e #15 dump_stack+0x19 #16 lbug_with_loc+0x4d #17 cl_env_percpu_put+0x7e #18 do_read_folio+0x6fc #19 ll_readpage+0xe #20 do_generic_file_read.constprop.52+0x225 #21 generic_file_aio_read+0x1c9 #22 do_file_read_iter+0x96a #23 ll_file_read_iter+0x2d #24 ll_file_aio_read+0x1b1 #25 ll_file_read+0x111 #26 vfs_read+0xb9 #27 sys_read+0x7f #28 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 77 last 5s 105 last 60s 108 ----- Total Numbers of Threads per State ------ TASK_INTERRUPTIBLE 178 TASK_RUNNING 7 TASK_UNINTERRUPTIBLE|TASK_DEAD 2 +++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 ----- -------------- ------ ---------------------------- 16185 dd 0 ms (no user stack) 1963 ptlrpcd_00_00 0 ms (no user stack) 16177 dd 0 ms (no user stack) 16187 dd 0 ms (no user stack) 1957 socknal_sd01_00 1 ms (no user stack) +------------------------+ >-------------------------| Memory Usage (kmem -i) |-------------------------< +------------------------+ PAGES TOTAL PERCENTAGE TOTAL MEM 955079 3.6 GB ---- FREE 794698 3 GB 83% of TOTAL MEM USED 160381 626.5 MB 16% of TOTAL MEM SHARED 85450 333.8 MB 8% of TOTAL MEM BUFFERS 552 2.2 MB 0% of TOTAL MEM CACHED 99961 390.5 MB 10% of TOTAL MEM SLAB 16395 64 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 93796 366.4 MB 12% of TOTAL LIMIT +-------------------------------+ >----------------------| Scheduler Runqueues (per CPU) |----------------------< +-------------------------------+ ---+ CPU=0 ---- | CURRENT TASK , CMD=dd ---+ CPU=1 ---- | CURRENT TASK , CMD=dd ---+ CPU=2 ---- | CURRENT TASK , CMD=dd 9 rcu_sched 46.87050 ---+ CPU=3 ---- | CURRENT TASK , CMD=dd +------------------------+ >-------------------------| Network Status Summary |-------------------------< +------------------------+ TCP Connection Info ------------------- ESTABLISHED 6 TIME_WAIT 32 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 1539.9 eth0 n/a 0.0 RSS_TOTAL=209848 pages, %mem= 3.1 +------------+ >-------------------------------| Mounted FS |-------------------------------< +------------+ MOUNT SUPERBLK TYPE DEVNAME DIRNAME ffff880138cca000 ffff880139940800 rootfs rootfs / ffff88012b292380 ffff88012b299800 sysfs sysfs /sys ffff88012b292540 ffff880139944000 proc proc /proc ffff88012b292700 ffff880137678000 devtmpfs devtmpfs /dev ffff88012b2928c0 ffff8800b6d19000 securityfs securityfs /sys/kernel/security ffff88012b292a80 ffff88012b29a000 tmpfs tmpfs /dev/shm ffff88012b292c40 ffff88012db91000 devpts devpts /dev/pts ffff88012b292e00 ffff88012b29a800 tmpfs tmpfs /run ffff88012b292fc0 ffff88012b29b000 tmpfs tmpfs /sys/fs/cgroup ffff88012b293180 ffff88012b29b800 cgroup cgroup /sys/fs/cgroup/systemd ffff88012b293340 ffff88012b29c000 pstore pstore /sys/fs/pstore ffff88012b250700 ffff8800b7c44000 cgroup cgroup /sys/fs/cgroup/net_cls,net_prio ffff88012b2508c0 ffff8800b7c43800 cgroup cgroup /sys/fs/cgroup/blkio ffff88012b250a80 ffff8800b7c43000 cgroup cgroup /sys/fs/cgroup/pids ffff88012b250c40 ffff8800b7c42800 cgroup cgroup /sys/fs/cgroup/cpu,cpuacct ffff88012b250e00 ffff8800b7c44800 cgroup cgroup /sys/fs/cgroup/freezer ffff88012b250fc0 ffff8800b7c45000 cgroup cgroup /sys/fs/cgroup/memory ffff88012b251180 ffff8800b7c45800 cgroup cgroup /sys/fs/cgroup/hugetlb ffff88012b251340 ffff8800b7c46000 cgroup cgroup /sys/fs/cgroup/devices ffff88012b251500 ffff8800b7c46800 cgroup cgroup /sys/fs/cgroup/cpuset ffff88012b2516c0 ffff8800b7c47000 cgroup cgroup /sys/fs/cgroup/perf_event ffff880137668a80 ffff8800b6d1c000 configfs configfs /sys/kernel/config ffff8800b62b4700 ffff88012a5bf800 ext4 /dev/nbd0 / ffff8800b62b48c0 ffff88012b29e800 rpc_pipefs rpc_pipefs /var/lib/nfs/rpc_pipefs ffff88012b251dc0 ffff88012a51d000 autofs systemd-1 /proc/sys/fs/binfmt_misc ffff880137669180 ffff88012b298000 mqueue mqueue /dev/mqueue ffff880138ccaa80 ffff880139947800 debugfs debugfs /sys/kernel/debug ffff8800b62b4a80 ffff88012a5bf000 hugetlbfs hugetlbfs /dev/hugepages ffff88012b2921c0 ffff88012a51e000 binfmt_misc binfmt_misc /proc/sys/fs/binfmt_misc/ ffff880137669500 ffff8800b5d3c800 ramfs none /mnt ffff880138ccac40 ffff8800b60f0800 tmpfs none /var/lib/stateless/writable ffff8801376696c0 ffff8800b5c65800 squashfs /dev/vda /home/green/git/lustre-release ffff8800b62b4e00 ffff8800b60f0800 tmpfs none /var/cache/man ffff8800b62b4fc0 ffff8800b60f0800 tmpfs none /var/log ffff8800b62b5180 ffff8800b60f0800 tmpfs none /var/lib/dbus ffff8800b62b5340 ffff8800b60f0800 tmpfs none /tmp ffff8800b62b5500 ffff8800b60f0800 tmpfs none /var/lib/dhclient ffff8800b62b56c0 ffff8800b60f0800 tmpfs none /var/tmp ffff8800b62b5880 ffff8800b60f0800 tmpfs none /var/lib/NetworkManager ffff8800b62b5a40 ffff8800b60f0800 tmpfs none /var/lib/systemd/random-seed ffff8800b62b5c00 ffff8800b60f0800 tmpfs none /var/spool ffff8800b62b5dc0 ffff8800b60f0800 tmpfs none /var/lib/nfs ffff8800b5d48000 ffff8800b60f0800 tmpfs none /var/lib/gssproxy ffff8800b5d481c0 ffff8800b60f0800 tmpfs none /var/lib/logrotate ffff88012b293500 ffff8800b60f0800 tmpfs none /etc ffff880137669880 ffff8800b60f0800 tmpfs none /var/lib/rsyslog ffff8800b5d48380 ffff8800b60f0800 tmpfs none /var/lib/dhclient/var/lib/dhclient ffff8800b5d48540 ffff8800b6384000 nfs4 192.168.200.253:/exports/state/oleg459-client.virtnet /var/lib/stateless/state ffff8800b5d48a80 ffff8800b6384000 nfs4 192.168.200.253:/exports/state/oleg459-client.virtnet /boot ffff880138ccae00 ffff8800b6384000 nfs4 192.168.200.253:/exports/state/oleg459-client.virtnet /etc/etc/kdump.conf ffff8800b5d48c40 ffff88012b29e800 rpc_pipefs sunrpc /var/lib/nfs/var/lib/nfs/rpc_pipefs ffff8800b5d49880 ffff8800b5c08000 nfs4 192.168.200.253://exports/testreports/52899/testresults/sanity-pcc-zfs-centos7_x86_64-centos7_x86_64-retry2 /tmp/tmp/testlogs ffff880130e9e000 ffff8800b5c63800 tmpfs tmpfs /run/user/0 ffff88012efe6380 ffff8800b5c65800 squashfs /dev/vda /usr/sbin/mount.lustre ffff8800b5d49a40 ffff8800a9fad800 lustre 192.168.204.159@tcp:/lustre /mnt/lustre ffff8800b4262e00 ffff8800a988e000 lustre 192.168.204.159@tcp:/lustre /mnt/lustre2 ffff88012efe76c0 ffff8800a5b55000 ext4 /dev/loop0 /mnt/pcc.d96.sanity-pcc +-------------------------------+ >----------------------| Last 40 lines of dmesg buffer |----------------------< +-------------------------------+ [ 1542.919653] CPU: 2 PID: 16177 Comm: dd Kdump: loaded Tainted: G W OE ------------ 3.10.0-7.9-debug #1 [ 1542.919654] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.2-1.fc38 04/01/2014 [ 1542.919655] Call Trace: [ 1542.919666] [] dump_stack+0x19/0x1b [ 1542.919681] [] lbug_with_loc+0x4d/0xa0 [libcfs] [ 1542.919743] [] cl_env_init0+0x6f/0xe0 [obdclass] [ 1542.919789] [] cl_env_percpu_get+0x3e/0x50 [obdclass] [ 1542.919835] [] do_read_folio+0xf92/0x1290 [lustre] [ 1542.919842] [] ? do_raw_spin_unlock+0x49/0x90 [ 1542.919864] [] ll_readpage+0xe/0x10 [lustre] [ 1542.919868] [] do_generic_file_read.constprop.52+0x225/0x540 [ 1542.919871] [] generic_file_aio_read+0x1c9/0x290 [ 1542.919891] [] do_file_read_iter+0x96a/0x1370 [lustre] [ 1542.919911] [] ll_file_read_iter+0x2d/0x40 [lustre] [ 1542.919929] [] ll_file_aio_read+0x1b1/0x210 [lustre] [ 1542.919949] [] ll_file_read+0x111/0x1e0 [lustre] [ 1542.919953] [] vfs_read+0xb9/0x1c0 [ 1542.919955] [] SyS_read+0x7f/0xf0 [ 1542.919958] [] system_call_fastpath+0x1f/0x24 [ 1542.919960] Kernel panic - not syncing: LBUG [ 1542.919962] CPU: 2 PID: 16177 Comm: dd Kdump: loaded Tainted: G W OE ------------ 3.10.0-7.9-debug #1 [ 1542.919963] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.2-1.fc38 04/01/2014 [ 1542.919963] Call Trace: [ 1542.919967] [] dump_stack+0x19/0x1b [ 1542.919970] [] panic+0xe8/0x20d [ 1542.919977] [] lbug_with_loc+0x95/0xa0 [libcfs] [ 1542.920004] [] cl_env_init0+0x6f/0xe0 [obdclass] [ 1542.920032] [] cl_env_percpu_get+0x3e/0x50 [obdclass] [ 1542.920051] [] do_read_folio+0xf92/0x1290 [lustre] [ 1542.920054] [] ? do_raw_spin_unlock+0x49/0x90 [ 1542.920082] [] ll_readpage+0xe/0x10 [lustre] [ 1542.920084] [] do_generic_file_read.constprop.52+0x225/0x540 [ 1542.920086] [] generic_file_aio_read+0x1c9/0x290 [ 1542.920103] [] do_file_read_iter+0x96a/0x1370 [lustre] [ 1542.920118] [] ll_file_read_iter+0x2d/0x40 [lustre] [ 1542.920133] [] ll_file_aio_read+0x1b1/0x210 [lustre] [ 1542.920148] [] ll_file_read+0x111/0x1e0 [lustre] [ 1542.920150] [] vfs_read+0xb9/0x1c0 [ 1542.920152] [] SyS_read+0x7f/0xf0 [ 1542.920154] [] 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) 6.32s (CPU), Child processes: 5.67s