************************ crashinfo ************************* /exports/testreports/51241/testresults/sanity-scrub-ldiskfs-DNE-centos7_x86_64-centos7_x86_64/oleg329-server-vmcore (3.10.0-7.9-debug) +==========================+ | *** Crashinfo v1.3.7 *** | +==========================+ +++WARNING+++ PARTIAL DUMP with size(vmcore) < 25% size(RAM) KERNEL: /tmp/crash-anaysis.8OD7s/vmlinux [TAINTED] DUMPFILE: /exports/testreports/51241/testresults/sanity-scrub-ldiskfs-DNE-centos7_x86_64-centos7_x86_64/oleg329-server-vmcore [PARTIAL DUMP] CPUS: 4 DATE: Wed Apr 30 22:21:08 EDT 2025 UPTIME: 00:27:47 LOAD AVERAGE: 2.12, 1.36, 1.01 TASKS: 258 NODENAME: oleg329-server.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: "BUG: unable to handle kernel NULL pointer dereference at (null)" +--------------------------+ >------------------------| 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=4296 CPU=3 CMD=lfsck #0 machine_kexec+0x19e #1 __crash_kexec+0x72 #2 crash_kexec+0x30 #3 oops_end+0xa8 #4 no_context+0x144 #5 __bad_area_nosemaphore+0x112 #6 bad_area_nosemaphore+0x14 #7 __do_page_fault+0x348 #8 trace_do_page_fault+0x56 #9 do_async_page_fault+0x22 #10 async_page_fault+0x28 #-1 osd_iit_iget+0x138, 477 bytes of data #11 osd_preload_next+0xa7 #12 osd_inode_iteration+0x246 #13 osd_otable_it_next+0x145 #14 lfsck_master_oit_engine+0x19f #15 lfsck_master_engine+0xa96 #16 kthread+0xe4 #17 ret_from_fork_nospec_begin+0x7 +--------------------------------+ >---------------------| How This Dump Has Been Created |---------------------< +--------------------------------+ *** Dump was triggered by kernel *** BUG: 73 of 73 active objects replaced +---------------+ >------------------------------| Tasks Summary |------------------------------< +---------------+ Number of Threads That Ran Recently ----------------------------------- last second 40 last 5s 85 last 60s 147 ----- Total Numbers of Threads per State ------ TASK_INTERRUPTIBLE 249 TASK_RUNNING 3 TASK_UNINTERRUPTIBLE 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) 811 dbus-daemon 0 ms (no user stack) 4296 lfsck 7 ms (no user stack) 22 migration/2 8 ms (no user stack) 34 rcuos/3 8 ms (no user stack) +------------------------+ >-------------------------| Memory Usage (kmem -i) |-------------------------< +------------------------+ PAGES TOTAL PERCENTAGE TOTAL MEM 955067 3.6 GB ---- FREE 732018 2.8 GB 76% of TOTAL MEM USED 223049 871.3 MB 23% of TOTAL MEM SHARED 10543 41.2 MB 1% of TOTAL MEM BUFFERS 8807 34.4 MB 0% of TOTAL MEM CACHED 75095 293.3 MB 7% of TOTAL MEM SLAB 16392 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 739676 2.8 GB ---- COMMITTED 60034 234.5 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=lfsck +------------------------+ >-------------------------| Network Status Summary |-------------------------< +------------------------+ TCP Connection Info ------------------- ESTABLISHED 9 LISTEN 3 NAGLE disabled (TCP_NODELAY): 8 user_data set (NFS etc.): 8 UDP Connection Info ------------------- 2 UDP sockets, 0 in ESTABLISHED Unix Connection Info ------------------------ ESTABLISHED 26 CLOSE 17 LISTEN 8 Raw sockets info -------------------- ESTABLISHED 1 Interfaces Info --------------- How long ago (in seconds) interfaces transmitted/received? Name RX TX ---- ---------- --------- lo n/a 1664.9 eth0 n/a 0.0 RSS_TOTAL=53224 pages, %mem= 0.9 +------------+ >-------------------------------| Mounted FS |-------------------------------< +------------+ MOUNT SUPERBLK TYPE DEVNAME DIRNAME ffff880138cca000 ffff880139940800 rootfs rootfs / ffff88012a33e000 ffff88012a340000 sysfs sysfs /sys ffff88012a33e1c0 ffff880139944000 proc proc /proc ffff88012a33e380 ffff880137678000 devtmpfs devtmpfs /dev ffff88012a33e540 ffff8800b51ea000 securityfs securityfs /sys/kernel/security ffff88012a33e700 ffff88012a340800 tmpfs tmpfs /dev/shm ffff88012a33e8c0 ffff880137159800 devpts devpts /dev/pts ffff88012a33ea80 ffff88012a341000 tmpfs tmpfs /run ffff88012a33ec40 ffff88012a341800 tmpfs tmpfs /sys/fs/cgroup ffff88012a33ee00 ffff88012a342000 cgroup cgroup /sys/fs/cgroup/systemd ffff88012a33efc0 ffff88012a342800 pstore pstore /sys/fs/pstore ffff88012a33f180 ffff88012a344800 cgroup cgroup /sys/fs/cgroup/net_cls,net_prio ffff88012a33f340 ffff88012a344000 cgroup cgroup /sys/fs/cgroup/blkio ffff88012a33f500 ffff88012a343800 cgroup cgroup /sys/fs/cgroup/memory ffff88012a33f6c0 ffff88012a343000 cgroup cgroup /sys/fs/cgroup/freezer ffff88012a33f880 ffff88012a345000 cgroup cgroup /sys/fs/cgroup/perf_event ffff88012a33fa40 ffff88012a345800 cgroup cgroup /sys/fs/cgroup/cpu,cpuacct ffff88012a33fc00 ffff88012a346000 cgroup cgroup /sys/fs/cgroup/devices ffff88012a33fdc0 ffff88012a346800 cgroup cgroup /sys/fs/cgroup/hugetlb ffff88012a36c000 ffff88012a347000 cgroup cgroup /sys/fs/cgroup/cpuset ffff88012a36c1c0 ffff88012a347800 cgroup cgroup /sys/fs/cgroup/pids ffff8800b4cfc000 ffff880137315000 configfs configfs /sys/kernel/config ffff8800b4cfc1c0 ffff8800b4e5c000 ext4 /dev/nbd0 / ffff880000076c40 ffff8800b51ee000 rpc_pipefs rpc_pipefs /var/lib/nfs/rpc_pipefs ffff88012a36c700 ffff8800b41e3000 autofs systemd-1 /proc/sys/fs/binfmt_misc ffff880137668700 ffff88013715b000 mqueue mqueue /dev/mqueue ffff8801376688c0 ffff880139947800 debugfs debugfs /sys/kernel/debug ffff8800b4cfc8c0 ffff8800b4e5f800 hugetlbfs hugetlbfs /dev/hugepages ffff88012a36c8c0 ffff8800b41e2800 binfmt_misc binfmt_misc /proc/sys/fs/binfmt_misc/ ffff88012a36ca80 ffff8800b51eb800 ramfs none /mnt ffff88012a36cc40 ffff8800b51ef800 tmpfs none /var/lib/stateless/writable ffff88012a36ce00 ffff8800b51ed800 squashfs /dev/vda /home/green/git/lustre-release ffff880137668a80 ffff8800b51ef800 tmpfs none /var/cache/man ffff88012a36cfc0 ffff8800b51ef800 tmpfs none /var/log ffff88012a36d180 ffff8800b51ef800 tmpfs none /var/lib/dbus ffff880137668c40 ffff8800b51ef800 tmpfs none /tmp ffff88012a36d340 ffff8800b51ef800 tmpfs none /var/lib/dhclient ffff88012a36d500 ffff8800b51ef800 tmpfs none /var/tmp ffff88012a36d6c0 ffff8800b51ef800 tmpfs none /var/lib/NetworkManager ffff8800b4cfcc40 ffff8800b51ef800 tmpfs none /var/lib/systemd/random-seed ffff88012a36d880 ffff8800b51ef800 tmpfs none /var/spool ffff88012a36da40 ffff8800b51ef800 tmpfs none /var/lib/nfs ffff880137668e00 ffff8800b51ef800 tmpfs none /var/lib/gssproxy ffff88012a36dc00 ffff8800b51ef800 tmpfs none /var/lib/logrotate ffff88012a36ddc0 ffff8800b51ef800 tmpfs none /etc ffff88012c554000 ffff8800b51ef800 tmpfs none /var/lib/rsyslog ffff880000076fc0 ffff8800b51ef800 tmpfs none /var/lib/dhclient/var/lib/dhclient ffff88012c5541c0 ffff8800b41e6800 nfs4 192.168.200.253:/exports/state/oleg329-server.virtnet /var/lib/stateless/state ffff88012c5548c0 ffff8800b41e6800 nfs4 192.168.200.253:/exports/state/oleg329-server.virtnet /boot ffff88012c554a80 ffff8800b41e6800 nfs4 192.168.200.253:/exports/state/oleg329-server.virtnet /etc/etc/kdump.conf ffff88012c554c40 ffff8800b51ee000 rpc_pipefs sunrpc /var/lib/nfs/var/lib/nfs/rpc_pipefs ffff88012c555180 ffff8800b51ed800 squashfs /dev/vda /usr/sbin/mount.lustre ffff8800b1f30c40 ffff8800b4286800 lustre /dev/mapper/ost1_flakey /mnt/lustre-ost1 ffff880000077180 ffff880081cd4800 lustre /dev/mapper/ost2_flakey /mnt/lustre-ost2 ffff8800b1c34fc0 ffff880130fcf800 lustre /dev/mapper/mds1_flakey /mnt/lustre-mds1 ffff8800b1c34e00 ffff880131f3d800 lustre /dev/mapper/mds2_flakey /mnt/lustre-mds2 +-------------------------------+ >----------------------| Last 40 lines of dmesg buffer |----------------------< +-------------------------------+ [ 1651.360773] Lustre: lustre-OST0000: new connection from lustre-MDT0000-mdtlov (cleaning up unused objects from 0x280000401:329 to 0x280000401:353) [ 1651.361649] Lustre: lustre-OST0001: new connection from lustre-MDT0000-mdtlov (cleaning up unused objects from 0x2c0000401:330 to 0x2c0000401:353) [ 1667.483280] BUG: unable to handle kernel NULL pointer dereference at (null) [ 1667.487013] IP: [] osd_iit_iget+0x138/0x520 [osd_ldiskfs] [ 1667.494748] PGD 0 [ 1667.496213] Oops: 0000 [#1] SMP DEBUG_PAGEALLOC [ 1667.497663] Modules linked in: lustre(OE) osp(OE) ofd(OE) lod(OE) mdt(OE) mdd(OE) mgs(OE) osd_ldiskfs(OE) ldiskfs(OE) lquota(OE) lfsck(OE) obdecho(OE) mgc(OE) mdc(OE) lov(OE) osc(OE) lmv(OE) fid(OE) fld(OE) ptlrpc_gss(OE) ptlrpc(OE) obdclass(OE) ksocklnd(OE) lnet(OE) libcfs(OE) dm_flakey dm_mod zfs(PO) zunicode(PO) zzstd(O) zlua(O) zcommon(PO) znvpair(PO) zavl(PO) icp(PO) spl(O) crc_t10dif crct10dif_generic rpcsec_gss_krb5 sb_edac edac_core iosf_mbi kvm_intel kvm irqbypass crc32_pclmul ghash_clmulni_intel squashfs aesni_intel lrw gf128mul glue_helper ablk_helper cryptd i2c_piix4 i2c_core pcspkr binfmt_misc ip_tables ext4 mbcache jbd2 ata_generic pata_acpi crct10dif_pclmul crct10dif_common crc32c_intel serio_raw ata_piix libata [last unloaded: libcfs] [ 1667.543969] CPU: 3 PID: 4296 Comm: lfsck Kdump: loaded Tainted: P OE ------------ 3.10.0-7.9-debug #1 [ 1667.554924] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.2-1.fc38 04/01/2014 [ 1667.571101] task: ffff88006ebb2220 ti: ffff880096f68000 task.ti: ffff880096f68000 [ 1667.574372] RIP: 0010:[] [] osd_iit_iget+0x138/0x520 [osd_ldiskfs] [ 1667.580623] RSP: 0018:ffff880096f6bb40 EFLAGS: 00010246 [ 1667.582548] RAX: 0000000000000003 RBX: ffff88009abb0000 RCX: 0000000000000000 [ 1667.584842] RDX: 0000000200000003 RSI: 0000000000000000 RDI: ffff880131d1e968 [ 1667.587166] RBP: ffff880096f6bb80 R08: 0000000000000061 R09: 0000000000000000 [ 1667.591089] R10: ffff880130fca000 R11: 0000000000000005 R12: ffff88007405d170 [ 1667.593212] R13: 0000000000000000 R14: 0000000000000002 R15: ffff8800997d4000 [ 1667.595559] FS: 0000000000000000(0000) GS:ffff88013e380000(0000) knlGS:0000000000000000 [ 1667.598110] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1667.599919] CR2: 0000000000000000 CR3: 0000000001c10000 CR4: 0000000000160fe0 [ 1667.602232] Call Trace: [ 1667.603154] [] osd_preload_next+0xa7/0xc0 [osd_ldiskfs] [ 1667.605165] [] osd_inode_iteration+0x246/0xd10 [osd_ldiskfs] [ 1667.607565] [] ? osd_obj_spec_lookup+0x2b0/0x2b0 [osd_ldiskfs] [ 1667.609831] [] ? osd_iit_iget+0x520/0x520 [osd_ldiskfs] [ 1667.611783] [] ? do_raw_spin_unlock+0x49/0x90 [ 1667.613660] [] osd_otable_it_next+0x145/0x700 [osd_ldiskfs] [ 1667.616060] [] ? wake_bit_function_rh+0x40/0x40 [ 1667.617726] [] lfsck_master_oit_engine+0x19f/0x1310 [lfsck] [ 1667.621718] [] lfsck_master_engine+0xa96/0x1500 [lfsck] [ 1667.625985] [] ? wake_up_atomic_t+0x30/0x30 [ 1667.629244] [] ? lfsck_master_oit_engine+0x1310/0x1310 [lfsck] [ 1667.632003] [] kthread+0xe4/0xf0 [ 1667.633848] [] ? kthread_create_on_node+0x140/0x140 [ 1667.635661] [] ret_from_fork_nospec_begin+0x7/0x21 [ 1667.638468] [] ? kthread_create_on_node+0x140/0x140 [ 1667.639844] Code: 52 8b 83 c0 78 00 00 85 c0 74 48 48 8b 7d d0 48 8b 17 48 83 fa 0a 74 0a 48 83 fa 01 0f 85 e1 01 00 00 48 8b 8b c8 78 00 00 31 f6 <48> 39 11 0f 85 a2 01 00 00 49 89 c8 0f 1f 40 00 48 8b 45 d0 8b [ 1667.648236] RIP [] osd_iit_iget+0x138/0x520 [osd_ldiskfs] [ 1667.651828] RSP [ 1667.653153] CR2: 0000000000000000 ****************************************************************************** ************************ 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 11.95s (real) 6.44s (CPU), Child processes: 5.42s