************************ crashinfo ************************* /exports/testreports/50430/testresults/sanity-dom-ldiskfs-DNE-centos7_x86_64-centos7_x86_64/oleg217-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.Wxrbn/vmlinux [TAINTED] DUMPFILE: /exports/testreports/50430/testresults/sanity-dom-ldiskfs-DNE-centos7_x86_64-centos7_x86_64/oleg217-client-vmcore [PARTIAL DUMP] CPUS: 4 DATE: Tue Apr 1 13:20:36 EDT 2025 UPTIME: 00:07:08 LOAD AVERAGE: 0.95, 0.62, 0.29 TASKS: 164 NODENAME: oleg217-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: "BUG: unable to handle kernel NULL pointer dereference at 000000000000012e" +--------------------------+ >------------------------| Per-cpu Stacks ('bt -a') |------------------------< +--------------------------+ -- CPU#0 -- PID=13661 CPU=0 CMD=directio #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+0x49 #7 __do_page_fault+0x494 #8 trace_do_page_fault+0x56 #9 do_async_page_fault+0x22 #10 async_page_fault+0x28 #-1 osc_io_submit+0x142, 477 bytes of data #11 cl_io_submit_rw+0x72 #12 lov_io_submit+0x1b4 #13 cl_io_submit_rw+0x72 #14 ll_direct_IO_impl+0x530 #15 ll_direct_IO+0x7c #16 generic_file_direct_write+0xcf #17 __generic_file_aio_write+0x237 #18 __generic_file_write_iter+0x6b9bb #19 vvp_io_write_start+0x578 #20 cl_io_start+0x6d #21 cl_io_loop+0x9f #22 ll_file_io_generic+0x36b #23 do_file_write_iter+0x4ae #24 ll_file_write_iter+0x2d #25 ll_file_aio_write+0x1d6 #26 ll_file_write+0x111 #27 vfs_write+0xd6 #28 sys_write+0x7f #29 system_call_fastpath+0x1f, 477 bytes of data -- 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 |---------------------< +--------------------------------+ *** Dump was triggered by kernel *** BUG: 73 of 73 active objects replaced +---------------+ >------------------------------| Tasks Summary |------------------------------< +---------------+ Number of Threads That Ran Recently ----------------------------------- last second 46 last 5s 58 last 60s 78 ----- Total Numbers of Threads per State ------ TASK_INTERRUPTIBLE 158 TASK_RUNNING 2 TASK_UNINTERRUPTIBLE 1 +++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) 810 dbus-daemon 0 ms (no user stack) 821 NetworkManager 0 ms (no user stack) 917 in:imjournal 0 ms (no user stack) 826 gdbus 0 ms (no user stack) +------------------------+ >-------------------------| Memory Usage (kmem -i) |-------------------------< +------------------------+ PAGES TOTAL PERCENTAGE TOTAL MEM 955079 3.6 GB ---- FREE 847906 3.2 GB 88% of TOTAL MEM USED 107173 418.6 MB 11% of TOTAL MEM SHARED 11747 45.9 MB 1% of TOTAL MEM BUFFERS 5303 20.7 MB 0% of TOTAL MEM CACHED 47980 187.4 MB 5% of TOTAL MEM SLAB 12241 47.8 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 67044 261.9 MB 9% of TOTAL LIMIT +-------------------------------+ >----------------------| Scheduler Runqueues (per CPU) |----------------------< +-------------------------------+ ---+ CPU=0 ---- | CURRENT TASK , CMD=directio ---+ 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 65 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 426.0 eth0 n/a 0.1 RSS_TOTAL=94896 pages, %mem= 1.6 +------------+ >-------------------------------| Mounted FS |-------------------------------< +------------+ MOUNT SUPERBLK TYPE DEVNAME DIRNAME ffff880138cca000 ffff880139940800 rootfs rootfs / ffff880137669180 ffff88012b320800 sysfs sysfs /sys ffff880137669340 ffff880139944000 proc proc /proc ffff880137669500 ffff880137678000 devtmpfs devtmpfs /dev ffff8801376696c0 ffff88012aac0000 securityfs securityfs /sys/kernel/security ffff880137669880 ffff88012b321000 tmpfs tmpfs /dev/shm ffff880137669a40 ffff880137181800 devpts devpts /dev/pts ffff880137669c00 ffff88012b322000 tmpfs tmpfs /run ffff880137669dc0 ffff88012b322800 tmpfs tmpfs /sys/fs/cgroup ffff88012aab8000 ffff88012b323000 cgroup cgroup /sys/fs/cgroup/systemd ffff88012aab81c0 ffff88012b323800 pstore pstore /sys/fs/pstore ffff88012aab8380 ffff88012b324000 cgroup cgroup /sys/fs/cgroup/net_cls,net_prio ffff88012aab8540 ffff88012b324800 cgroup cgroup /sys/fs/cgroup/cpuset ffff88012aab8700 ffff88012b325000 cgroup cgroup /sys/fs/cgroup/cpu,cpuacct ffff88012aab88c0 ffff88012b325800 cgroup cgroup /sys/fs/cgroup/hugetlb ffff88012aab8a80 ffff88012b326000 cgroup cgroup /sys/fs/cgroup/devices ffff88012aab8c40 ffff88012b326800 cgroup cgroup /sys/fs/cgroup/freezer ffff88012aab8e00 ffff88012b327000 cgroup cgroup /sys/fs/cgroup/pids ffff88012aab8fc0 ffff88012b327800 cgroup cgroup /sys/fs/cgroup/blkio ffff880138ccac40 ffff8800b6c9f000 cgroup cgroup /sys/fs/cgroup/perf_event ffff880138ccae00 ffff8800b6c9e800 cgroup cgroup /sys/fs/cgroup/memory ffff880138ccb180 ffff8800b603c800 configfs configfs /sys/kernel/config ffff88012a5761c0 ffff8800b6d0e000 ext4 /dev/nbd0 / ffff88012aaaa1c0 ffff88012ab93000 rpc_pipefs rpc_pipefs /var/lib/nfs/rpc_pipefs ffff8800b61e8540 ffff88012ab95000 autofs systemd-1 /proc/sys/fs/binfmt_misc ffff88012aaaa540 ffff880139947800 debugfs debugfs /sys/kernel/debug ffff88012a576540 ffff8800b6d0c800 hugetlbfs hugetlbfs /dev/hugepages ffff88012a576380 ffff880137183000 mqueue mqueue /dev/mqueue ffff88012aaaa380 ffff8800b6040000 binfmt_misc binfmt_misc /proc/sys/fs/binfmt_misc/ ffff8800b61e8700 ffff88012ab96800 ramfs none /mnt ffff88012a5768c0 ffff8800b618d800 tmpfs none /var/lib/stateless/writable ffff88012aaaa8c0 ffff8800b58d9000 squashfs /dev/vda /home/green/git/lustre-release ffff88012aaaaa80 ffff8800b618d800 tmpfs none /var/cache/man ffff88012a576a80 ffff8800b618d800 tmpfs none /var/log ffff88012aaaac40 ffff8800b618d800 tmpfs none /var/lib/dbus ffff88012aaaae00 ffff8800b618d800 tmpfs none /tmp ffff88012aaaafc0 ffff8800b618d800 tmpfs none /var/lib/dhclient ffff8800b61e8a80 ffff8800b618d800 tmpfs none /var/tmp ffff88012a576c40 ffff8800b618d800 tmpfs none /var/lib/NetworkManager ffff8800b61e8c40 ffff8800b618d800 tmpfs none /var/lib/systemd/random-seed ffff880138ccb340 ffff8800b618d800 tmpfs none /var/spool ffff8800b61e8e00 ffff8800b618d800 tmpfs none /var/lib/nfs ffff8800b61e8fc0 ffff8800b618d800 tmpfs none /var/lib/gssproxy ffff8800b61e9180 ffff8800b618d800 tmpfs none /var/lib/logrotate ffff880138ccb500 ffff8800b618d800 tmpfs none /etc ffff880138ccb6c0 ffff8800b618d800 tmpfs none /var/lib/rsyslog ffff88012aaab180 ffff8800b618d800 tmpfs none /var/lib/dhclient/var/lib/dhclient ffff88012a576e00 ffff8800b603f800 nfs4 192.168.200.253:/exports/state/oleg217-client.virtnet /var/lib/stateless/state ffff880138ccb880 ffff8800b603f800 nfs4 192.168.200.253:/exports/state/oleg217-client.virtnet /boot ffff88012aaab340 ffff8800b603f800 nfs4 192.168.200.253:/exports/state/oleg217-client.virtnet /etc/etc/kdump.conf ffff88012aaab500 ffff88012ab93000 rpc_pipefs sunrpc /var/lib/nfs/var/lib/nfs/rpc_pipefs ffff8800b3adc1c0 ffff8800b6d7a800 nfs4 192.168.200.253://exports/testreports/50430/testresults/sanity-dom-ldiskfs-DNE-centos7_x86_64-centos7_x86_64 /tmp/tmp/testlogs ffff8800b3adc8c0 ffff8800b6d7e000 tmpfs tmpfs /run/user/0 ffff8800b61e8000 ffff8800b58d9000 squashfs /dev/vda /usr/sbin/mount.lustre ffff8800b3add180 ffff8800b58d8800 lustre 192.168.202.117@tcp:/lustre /mnt/lustre +-------------------------------+ >----------------------| Last 40 lines of dmesg buffer |----------------------< +-------------------------------+ [ 429.290833] PGD 88ef0067 PUD 88dfb067 PMD 0 [ 429.292342] Oops: 0000 [#1] SMP DEBUG_PAGEALLOC [ 429.293725] Modules linked in: lustre(OE) osp(OE) ofd(OE) lod(OE) ost(OE) mdt(OE) mdd(OE) mgs(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) crc_t10dif crct10dif_generic rpcsec_gss_krb5 sb_edac edac_core iosf_mbi kvm_intel kvm irqbypass crc32_pclmul ghash_clmulni_intel aesni_intel squashfs 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 ata_piix serio_raw libata [ 429.315265] CPU: 0 PID: 13661 Comm: directio Kdump: loaded Tainted: G OE ------------ 3.10.0-7.9-debug #1 [ 429.318938] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.2-1.fc38 04/01/2014 [ 429.321617] task: ffff88008284b330 ti: ffff8800a70b0000 task.ti: ffff8800a70b0000 [ 429.324379] RIP: 0010:[] [] osc_io_submit+0x142/0x720 [osc] [ 429.327356] RSP: 0018:ffff8800a70b3658 EFLAGS: 00010246 [ 429.329196] RAX: 0000000000000000 RBX: 0000000000000282 RCX: 0000000000000000 [ 429.331843] RDX: 0000000000020282 RSI: ffff8800a957e000 RDI: ffffea000243a9c0 [ 429.334804] RBP: ffff8800a70b36f8 R08: 000000000000ffff R09: 000000000000ffff [ 429.337407] R10: 0000000000000000 R11: ffff8800a70b3436 R12: ffff88012d0e35b8 [ 429.340439] R13: ffff8800a73b4ea0 R14: ffff8800a8c57898 R15: 0000000000000001 [ 429.343100] FS: 00007f6636739740(0000) GS:ffff88013e200000(0000) knlGS:0000000000000000 [ 429.345352] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 429.347121] CR2: 000000000000012e CR3: 00000000a77e4000 CR4: 0000000000160ff0 [ 429.349376] Call Trace: [ 429.350153] [] cl_io_submit_rw+0x72/0x190 [obdclass] [ 429.352151] [] lov_io_submit+0x1b4/0x3a0 [lov] [ 429.354032] [] cl_io_submit_rw+0x72/0x190 [obdclass] [ 429.356087] [] ll_direct_IO_impl+0x530/0xef0 [lustre] [ 429.358182] [] ll_direct_IO+0x7c/0xa0 [lustre] [ 429.360408] [] generic_file_direct_write+0xcf/0x190 [ 429.362931] [] __generic_file_aio_write+0x237/0x400 [ 429.365221] [] __generic_file_write_iter+0xcb/0x350 [lustre] [ 429.367940] [] vvp_io_write_start+0x578/0xde0 [lustre] [ 429.370469] [] cl_io_start+0x6d/0x150 [obdclass] [ 429.372604] [] cl_io_loop+0x9f/0x230 [obdclass] [ 429.374946] [] ll_file_io_generic+0x36b/0x1000 [lustre] [ 429.377414] [] do_file_write_iter+0x4ae/0x9f0 [lustre] [ 429.379502] [] ll_file_write_iter+0x2d/0x40 [lustre] [ 429.381602] [] ll_file_aio_write+0x1d6/0x210 [lustre] [ 429.383883] [] ll_file_write+0x111/0x1e0 [lustre] [ 429.385822] [] vfs_write+0xd6/0x230 [ 429.387914] [] SyS_write+0x7f/0xf0 [ 429.389810] [] system_call_fastpath+0x1f/0x24 [ 429.391651] Code: da 80 ca 80 41 0f b6 46 12 49 8b 7e f0 83 e0 c0 3c 80 0f 44 da e8 6f 88 8a ff 89 da 81 ca 00 00 02 00 84 c0 49 8b 46 18 0f 45 da 80 2e 01 00 00 02 0f 85 e1 01 00 00 49 8b 44 24 08 49 8d 4c [ 429.400198] RIP [] osc_io_submit+0x142/0x720 [osc] [ 429.403061] RSP [ 429.404336] CR2: 000000000000012e ****************************************************************************** ************************ 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 11.74s (real) 6.00s (CPU), Child processes: 5.65s