************************ crashinfo ************************* /exports/testreports/50430/testresults/recovery-small-ldiskfs-DNE-centos7_x86_64-centos7_x86_64/oleg203-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.S8kJJ/vmlinux [TAINTED] DUMPFILE: /exports/testreports/50430/testresults/recovery-small-ldiskfs-DNE-centos7_x86_64-centos7_x86_64/oleg203-client-vmcore [PARTIAL DUMP] CPUS: 4 DATE: Tue Apr 1 14:42:04 EDT 2025 UPTIME: 01:28:38 LOAD AVERAGE: 0.15, 2.06, 1.78 TASKS: 153 NODENAME: oleg203-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=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=22107 CPU=2 CMD=dd #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#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 32 last 5s 53 last 60s 61 ----- Total Numbers of Threads per State ------ TASK_INTERRUPTIBLE 148 TASK_RUNNING 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 ----- -------------- ------ ---------------------------- 11 rcuos/0 0 ms (no user stack) 1999 socknal_sd01_01 0 ms (no user stack) 22107 dd 0 ms (no user stack) 1998 socknal_sd01_00 0 ms (no user stack) 20 rcuos/1 4 ms (no user stack) +------------------------+ >-------------------------| Memory Usage (kmem -i) |-------------------------< +------------------------+ PAGES TOTAL PERCENTAGE TOTAL MEM 955079 3.6 GB ---- FREE 843635 3.2 GB 88% of TOTAL MEM USED 111444 435.3 MB 11% of TOTAL MEM SHARED 10202 39.9 MB 1% of TOTAL MEM BUFFERS 5271 20.6 MB 0% of TOTAL MEM CACHED 48832 190.8 MB 5% of TOTAL MEM SLAB 21760 85 MB 2% 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 64128 250.5 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=dd ---+ CPU=3 ---- | CURRENT TASK , CMD=swapper/3 +------------------------+ >-------------------------| Network Status Summary |-------------------------< +------------------------+ TCP Connection Info ------------------- ESTABLISHED 6 TIME_WAIT 13 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 -------------------- ESTABLISHED 1 Interfaces Info --------------- How long ago (in seconds) interfaces transmitted/received? Name RX TX ---- ---------- --------- lo n/a 5315.9 eth0 n/a 0.0 RSS_TOTAL=74860 pages, %mem= 1.2 +------------+ >-------------------------------| Mounted FS |-------------------------------< +------------+ MOUNT SUPERBLK TYPE DEVNAME DIRNAME ffff880138cca000 ffff880139940800 rootfs rootfs / ffff880137668a80 ffff88013767b800 sysfs sysfs /sys ffff880137668c40 ffff880139944000 proc proc /proc ffff880137668e00 ffff880137678000 devtmpfs devtmpfs /dev ffff880137668fc0 ffff88012b2ce800 securityfs securityfs /sys/kernel/security ffff880137669180 ffff88013767c000 tmpfs tmpfs /dev/shm ffff880137669340 ffff88013767a000 devpts devpts /dev/pts ffff880137669500 ffff88013767c800 tmpfs tmpfs /run ffff8801376696c0 ffff88013767d000 tmpfs tmpfs /sys/fs/cgroup ffff880137669880 ffff88013767d800 cgroup cgroup /sys/fs/cgroup/systemd ffff880137669a40 ffff88013767e000 pstore pstore /sys/fs/pstore ffff880137669c00 ffff88012ab00000 cgroup cgroup /sys/fs/cgroup/net_cls,net_prio ffff880137669dc0 ffff88012ab00800 cgroup cgroup /sys/fs/cgroup/cpu,cpuacct ffff88012aabe000 ffff88012ab01000 cgroup cgroup /sys/fs/cgroup/devices ffff88012aabe1c0 ffff88012ab01800 cgroup cgroup /sys/fs/cgroup/freezer ffff88012aabe380 ffff88012ab02000 cgroup cgroup /sys/fs/cgroup/memory ffff88012aabe540 ffff88012ab02800 cgroup cgroup /sys/fs/cgroup/cpuset ffff88012aabe700 ffff88012ab03000 cgroup cgroup /sys/fs/cgroup/pids ffff88012aabe8c0 ffff88012ab03800 cgroup cgroup /sys/fs/cgroup/blkio ffff88012aabea80 ffff88012ab04000 cgroup cgroup /sys/fs/cgroup/hugetlb ffff88012aabec40 ffff88012ab04800 cgroup cgroup /sys/fs/cgroup/perf_event ffff88012b288700 ffff88012aa1e000 configfs configfs /sys/kernel/config ffff88012aabf180 ffff88013767f000 ext4 /dev/nbd0 / ffff88012aabf340 ffff88012aa1e800 rpc_pipefs rpc_pipefs /var/lib/nfs/rpc_pipefs ffff88012b289a40 ffff8800b6379800 autofs systemd-1 /proc/sys/fs/binfmt_misc ffff88012aabf500 ffff8801372fd000 mqueue mqueue /dev/mqueue ffff8800b6f56540 ffff8800b6fb7800 hugetlbfs hugetlbfs /dev/hugepages ffff88012aabf6c0 ffff880139947800 debugfs debugfs /sys/kernel/debug ffff8800b6f56700 ffff8800b6fb2800 binfmt_misc binfmt_misc /proc/sys/fs/binfmt_misc/ ffff88012aabf880 ffff88012aa19800 ramfs none /mnt ffff8800b6f568c0 ffff8800b63d8800 tmpfs none /var/lib/stateless/writable ffff88012b289dc0 ffff88012ab05800 squashfs /dev/vda /home/green/git/lustre-release ffff88012aabfa40 ffff8800b63d8800 tmpfs none /var/cache/man ffff880138ccb180 ffff8800b63d8800 tmpfs none /var/log ffff88012aabfc00 ffff8800b63d8800 tmpfs none /var/lib/dbus ffff880138ccb340 ffff8800b63d8800 tmpfs none /tmp ffff88012aabfdc0 ffff8800b63d8800 tmpfs none /var/lib/dhclient ffff8800b5ab0000 ffff8800b63d8800 tmpfs none /var/tmp ffff8800b6f56a80 ffff8800b63d8800 tmpfs none /var/lib/NetworkManager ffff8800b5ab01c0 ffff8800b63d8800 tmpfs none /var/lib/systemd/random-seed ffff8800b5ab0380 ffff8800b63d8800 tmpfs none /var/spool ffff8800b6f56c40 ffff8800b63d8800 tmpfs none /var/lib/nfs ffff880138ccb500 ffff8800b63d8800 tmpfs none /var/lib/gssproxy ffff8800b5ab0540 ffff8800b63d8800 tmpfs none /var/lib/logrotate ffff8800b5ab0700 ffff8800b63d8800 tmpfs none /etc ffff8800b5ab08c0 ffff8800b63d8800 tmpfs none /var/lib/rsyslog ffff8800b5ab0a80 ffff8800b63d8800 tmpfs none /var/lib/dhclient/var/lib/dhclient ffff88012b288540 ffff8800b637f800 nfs4 192.168.200.253:/exports/state/oleg203-client.virtnet /var/lib/stateless/state ffff8800b6f56e00 ffff8800b637f800 nfs4 192.168.200.253:/exports/state/oleg203-client.virtnet /boot ffff8800b5ab0c40 ffff8800b637f800 nfs4 192.168.200.253:/exports/state/oleg203-client.virtnet /etc/etc/kdump.conf ffff8800b5ab0e00 ffff88012aa1e800 rpc_pipefs sunrpc /var/lib/nfs/var/lib/nfs/rpc_pipefs ffff8800b6f57a40 ffff8800b63da000 nfs4 192.168.200.253://exports/testreports/50430/testresults/recovery-small-ldiskfs-DNE-centos7_x86_64-centos7_x86_64 /tmp/tmp/testlogs ffff88012e2c81c0 ffff8800b62f4000 tmpfs tmpfs /run/user/0 ffff8800b6f57c00 ffff88012ab05800 squashfs /dev/vda /usr/sbin/mount.lustre ffff88012e2c9340 ffff8800a8869000 lustre 192.168.202.103@tcp:/lustre /mnt/lustre +-------------------------------+ >----------------------| Last 40 lines of dmesg buffer |----------------------< +-------------------------------+ [ 5318.953539] Oops: 0000 [#1] SMP DEBUG_PAGEALLOC [ 5318.955586] 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 squashfs aesni_intel i2c_piix4 lrw gf128mul glue_helper ablk_helper i2c_core cryptd pcspkr binfmt_misc ip_tables ext4 mbcache jbd2 ata_generic pata_acpi crct10dif_pclmul crct10dif_common crc32c_intel ata_piix serio_raw libata [ 5318.977603] CPU: 2 PID: 22107 Comm: dd Kdump: loaded Tainted: G OE ------------ 3.10.0-7.9-debug #1 [ 5318.979545] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.2-1.fc38 04/01/2014 [ 5318.981148] task: ffff8801392e4440 ti: ffff88012b5bc000 task.ti: ffff88012b5bc000 [ 5318.982547] RIP: 0010:[] [] osc_io_submit+0x142/0x720 [osc] [ 5318.984290] RSP: 0018:ffff88012b5bf658 EFLAGS: 00010246 [ 5318.985374] RAX: 0000000000000000 RBX: 0000000000000282 RCX: 0000000000000000 [ 5318.986784] RDX: 0000000000020282 RSI: ffff88009a55e580 RDI: ffffea00048ad040 [ 5318.989076] RBP: ffff88012b5bf6f8 R08: 000000000000ffff R09: 000000000000ffff [ 5318.991472] R10: 0000000000000000 R11: 000000000000000f R12: ffff8800a9727d38 [ 5318.994164] R13: ffff8800a46649c0 R14: ffff8800a716be80 R15: 0000000000000001 [ 5318.995942] FS: 00007ff32ddb9740(0000) GS:ffff88013e300000(0000) knlGS:0000000000000000 [ 5318.997453] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5318.998681] CR2: 000000000000012e CR3: 000000012d73a000 CR4: 0000000000160fe0 [ 5319.000194] Call Trace: [ 5319.000784] [] cl_io_submit_rw+0x72/0x190 [obdclass] [ 5319.002118] [] lov_io_submit+0x1b4/0x3a0 [lov] [ 5319.003319] [] cl_io_submit_rw+0x72/0x190 [obdclass] [ 5319.004708] [] ll_direct_IO_impl+0x530/0xef0 [lustre] [ 5319.005962] [] ll_direct_IO+0x7c/0xa0 [lustre] [ 5319.007191] [] generic_file_direct_write+0xcf/0x190 [ 5319.008499] [] __generic_file_aio_write+0x237/0x400 [ 5319.009805] [] __generic_file_write_iter+0xcb/0x350 [lustre] [ 5319.011185] [] vvp_io_write_start+0x578/0xde0 [lustre] [ 5319.012473] [] cl_io_start+0x6d/0x150 [obdclass] [ 5319.013631] [] cl_io_loop+0x9f/0x230 [obdclass] [ 5319.014758] [] ll_file_io_generic+0x36b/0x1000 [lustre] [ 5319.015996] [] do_file_write_iter+0x4ae/0x9f0 [lustre] [ 5319.017208] [] ll_file_write_iter+0x2d/0x40 [lustre] [ 5319.018357] [] ll_file_aio_write+0x1d6/0x210 [lustre] [ 5319.019510] [] ll_file_write+0x111/0x1e0 [lustre] [ 5319.020550] [] vfs_write+0xd6/0x230 [ 5319.021430] [] ? vfs_read+0x112/0x1c0 [ 5319.022329] [] SyS_write+0x7f/0xf0 [ 5319.023186] [] system_call_fastpath+0x1f/0x24 [ 5319.024225] Code: da 80 ca 80 41 0f b6 46 12 49 8b 7e f0 83 e0 c0 3c 80 0f 44 da e8 6f 18 8b 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 [ 5319.028850] RIP [] osc_io_submit+0x142/0x720 [osc] [ 5319.030031] RSP [ 5319.030679] 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 11.20s (real) 5.77s (CPU), Child processes: 5.38s