************************ crashinfo ************************* /exports/testreports/50430/testresults/replay-single-zfs-centos7_x86_64-centos7_x86_64/oleg407-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.Hsm4O/vmlinux [TAINTED] DUMPFILE: /exports/testreports/50430/testresults/replay-single-zfs-centos7_x86_64-centos7_x86_64/oleg407-client-vmcore [PARTIAL DUMP] CPUS: 4 DATE: Tue Apr 1 14:11:30 EDT 2025 UPTIME: 00:58:07 LOAD AVERAGE: 0.53, 0.47, 0.33 TASKS: 166 NODENAME: oleg407-client.virtnet RELEASE: 3.10.0-7.9-debug VERSION: #1 SMP Sat Mar 26 23:28:42 EDT 2022 MACHINE: x86_64 (2400 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=20796 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+0x1b1 #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 56 last 5s 72 last 60s 81 ----- Total Numbers of Threads per State ------ TASK_INTERRUPTIBLE 161 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 ----- -------------- ------ ---------------------------- 27 rcuos/2 0 ms (no user stack) 1969 ptlrpcd_00_00 0 ms (no user stack) 34 rcuos/3 0 ms (no user stack) 20796 dd 0 ms (no user stack) 1964 socknal_sd01_01 0 ms (no user stack) +------------------------+ >-------------------------| Memory Usage (kmem -i) |-------------------------< +------------------------+ PAGES TOTAL PERCENTAGE TOTAL MEM 955079 3.6 GB ---- FREE 840004 3.2 GB 87% of TOTAL MEM USED 115075 449.5 MB 12% of TOTAL MEM SHARED 10598 41.4 MB 1% of TOTAL MEM BUFFERS 5226 20.4 MB 0% of TOTAL MEM CACHED 57805 225.8 MB 6% of TOTAL MEM SLAB 13411 52.4 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 70652 276 MB 9% 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 39 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 -------------------- ESTABLISHED 1 Interfaces Info --------------- How long ago (in seconds) interfaces transmitted/received? Name RX TX ---- ---------- --------- lo n/a 3485.3 eth0 n/a 0.1 RSS_TOTAL=93704 pages, %mem= 1.6 +------------+ >-------------------------------| Mounted FS |-------------------------------< +------------+ MOUNT SUPERBLK TYPE DEVNAME DIRNAME ffff880138cca000 ffff880139940800 rootfs rootfs / ffff88012aa7e000 ffff8800b6d48000 sysfs sysfs /sys ffff88012aa7e1c0 ffff880139944000 proc proc /proc ffff88012aa7e380 ffff880137678000 devtmpfs devtmpfs /dev ffff88012aa7e540 ffff8800b6cac800 securityfs securityfs /sys/kernel/security ffff88012aa7e700 ffff8800b6d48800 tmpfs tmpfs /dev/shm ffff88012aa7e8c0 ffff88013715e800 devpts devpts /dev/pts ffff88012aa7ea80 ffff8800b6d49000 tmpfs tmpfs /run ffff88012aa7ec40 ffff8800b6d49800 tmpfs tmpfs /sys/fs/cgroup ffff88012aa7ee00 ffff8800b6d4a000 cgroup cgroup /sys/fs/cgroup/systemd ffff88012aa7efc0 ffff8800b6d4a800 pstore pstore /sys/fs/pstore ffff88012aa7f180 ffff8800b6d4c800 cgroup cgroup /sys/fs/cgroup/net_cls,net_prio ffff88012aa7f340 ffff8800b6d4c000 cgroup cgroup /sys/fs/cgroup/freezer ffff88012aa7f500 ffff8800b6d4b800 cgroup cgroup /sys/fs/cgroup/perf_event ffff88012aa7f6c0 ffff8800b6d4b000 cgroup cgroup /sys/fs/cgroup/cpu,cpuacct ffff88012aa7f880 ffff8800b6d4d000 cgroup cgroup /sys/fs/cgroup/blkio ffff88012aa7fa40 ffff8800b6d4d800 cgroup cgroup /sys/fs/cgroup/pids ffff88012aa7fc00 ffff8800b6d4e000 cgroup cgroup /sys/fs/cgroup/devices ffff88012aa7fdc0 ffff8800b6d4e800 cgroup cgroup /sys/fs/cgroup/hugetlb ffff88012aaa6000 ffff8800b6d4f000 cgroup cgroup /sys/fs/cgroup/cpuset ffff88012aaa61c0 ffff8800b6d4f800 cgroup cgroup /sys/fs/cgroup/memory ffff8800b6ea81c0 ffff88012a48a800 configfs configfs /sys/kernel/config ffff880138ccbdc0 ffff8800b618b800 ext4 /dev/nbd0 / ffff8800b592e000 ffff8800b6d0b000 rpc_pipefs rpc_pipefs /var/lib/nfs/rpc_pipefs ffff8800b6ea8380 ffff8800b6d0e000 autofs systemd-1 /proc/sys/fs/binfmt_misc ffff8800b6ea8540 ffff880139947800 debugfs debugfs /sys/kernel/debug ffff8800b592e1c0 ffff8800b588e000 hugetlbfs hugetlbfs /dev/hugepages ffff88012aaa68c0 ffff88012b270000 mqueue mqueue /dev/mqueue ffff8800b6ea8700 ffff8800b6d0e800 binfmt_misc binfmt_misc /proc/sys/fs/binfmt_misc/ ffff88012aaa6a80 ffff88012ab3e000 ramfs none /mnt ffff88012aaa6c40 ffff88012ab38800 tmpfs none /var/lib/stateless/writable ffff88012aaa6e00 ffff8800b6189000 squashfs /dev/vda /home/green/git/lustre-release ffff880137669a40 ffff88012ab38800 tmpfs none /var/cache/man ffff880137669c00 ffff88012ab38800 tmpfs none /var/log ffff8800b592e380 ffff88012ab38800 tmpfs none /var/lib/dbus ffff8800b592e540 ffff88012ab38800 tmpfs none /tmp ffff8800b592e700 ffff88012ab38800 tmpfs none /var/lib/dhclient ffff880137669dc0 ffff88012ab38800 tmpfs none /var/tmp ffff88012aaa6fc0 ffff88012ab38800 tmpfs none /var/lib/NetworkManager ffff88012aaa7180 ffff88012ab38800 tmpfs none /var/lib/systemd/random-seed ffff880138ccb880 ffff88012ab38800 tmpfs none /var/spool ffff8800b5b72000 ffff88012ab38800 tmpfs none /var/lib/nfs ffff88012aaa7340 ffff88012ab38800 tmpfs none /var/lib/gssproxy ffff8800b5b721c0 ffff88012ab38800 tmpfs none /var/lib/logrotate ffff8800b592e8c0 ffff88012ab38800 tmpfs none /etc ffff8800b5b72380 ffff88012ab38800 tmpfs none /var/lib/rsyslog ffff8800b6ea8a80 ffff88012ab38800 tmpfs none /var/lib/dhclient/var/lib/dhclient ffff8800b6ea8c40 ffff8800b61a1800 nfs4 192.168.200.253:/exports/state/oleg407-client.virtnet /var/lib/stateless/state ffff88012aaa7500 ffff8800b61a1800 nfs4 192.168.200.253:/exports/state/oleg407-client.virtnet /boot ffff88012aaa76c0 ffff8800b61a1800 nfs4 192.168.200.253:/exports/state/oleg407-client.virtnet /etc/etc/kdump.conf ffff88012aaa7880 ffff8800b6d0b000 rpc_pipefs sunrpc /var/lib/nfs/var/lib/nfs/rpc_pipefs ffff8800b3ac2fc0 ffff88012b70c800 nfs4 192.168.200.253://exports/testreports/50430/testresults/replay-single-zfs-centos7_x86_64-centos7_x86_64 /tmp/tmp/testlogs ffff8800b5b72700 ffff8800b6040800 tmpfs tmpfs /run/user/0 ffff8801369fc1c0 ffff8800b6189000 squashfs /dev/vda /usr/sbin/mount.lustre ffff8800b359c1c0 ffff8800b5829800 lustre 192.168.204.107@tcp:/lustre /mnt/lustre +-------------------------------+ >----------------------| Last 40 lines of dmesg buffer |----------------------< +-------------------------------+ [ 3487.884272] task: ffff88012e72e660 ti: ffff8800a8b78000 task.ti: ffff8800a8b78000 [ 3487.885758] RIP: 0010:[] [] osc_io_submit+0x142/0x720 [osc] [ 3487.887474] RSP: 0018:ffff8800a8b7b658 EFLAGS: 00010246 [ 3487.888532] RAX: 0000000000000000 RBX: 0000000000000282 RCX: 0000000000000008 [ 3487.889945] RDX: 0000000000020282 RSI: ffff88012e73f080 RDI: ffffea0002a3a680 [ 3487.891392] RBP: ffff8800a8b7b6f8 R08: ffff8800a7f20df8 R09: ffff88012c9e9a60 [ 3487.892780] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8800a7f20df8 [ 3487.894223] R13: ffff8800a88101a0 R14: ffff8800ad3e47c0 R15: 0000000000000001 [ 3487.895601] FS: 00007f4b50c28740(0000) GS:ffff88013e300000(0000) knlGS:0000000000000000 [ 3487.897242] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3487.898449] CR2: 000000000000012e CR3: 00000000a2da6000 CR4: 0000000000160fe0 [ 3487.899899] Call Trace: [ 3487.900555] [] cl_io_submit_rw+0x72/0x190 [obdclass] [ 3487.901945] [] lov_io_submit+0x1b4/0x3a0 [lov] [ 3487.903174] [] cl_io_submit_rw+0x72/0x190 [obdclass] [ 3487.904556] [] ll_direct_IO_impl+0x530/0xef0 [lustre] [ 3487.905914] [] ll_direct_IO+0x7c/0xa0 [lustre] [ 3487.907088] [] generic_file_direct_write+0xcf/0x190 [ 3487.908373] [] __generic_file_aio_write+0x237/0x400 [ 3487.909669] [] __generic_file_write_iter+0xcb/0x350 [lustre] [ 3487.911098] [] ? lov_lsm_addref+0x86/0x210 [lov] [ 3487.912345] [] vvp_io_write_start+0x578/0xde0 [lustre] [ 3487.913735] [] ? lov_lock_enqueue+0x99/0x170 [lov] [ 3487.915018] [] ? cl_lock_request+0x67/0x210 [obdclass] [ 3487.916366] [] cl_io_start+0x6d/0x150 [obdclass] [ 3487.917635] [] cl_io_loop+0x9f/0x230 [obdclass] [ 3487.918876] [] ll_file_io_generic+0x36b/0x1000 [lustre] [ 3487.920303] [] do_file_write_iter+0x4ae/0x9f0 [lustre] [ 3487.921763] [] ? shmem_file_aio_read+0x2bb/0x3e0 [ 3487.923113] [] ll_file_write_iter+0x2d/0x40 [lustre] [ 3487.925984] [] ll_file_aio_write+0x1b1/0x210 [lustre] [ 3487.927507] [] ll_file_write+0x111/0x1e0 [lustre] [ 3487.928823] [] vfs_write+0xd6/0x230 [ 3487.929852] [] ? vfs_read+0x112/0x1c0 [ 3487.931021] [] SyS_write+0x7f/0xf0 [ 3487.932078] [] system_call_fastpath+0x1f/0x24 [ 3487.933445] Code: da 80 ca 80 41 0f b6 46 12 49 8b 7e f0 83 e0 c0 3c 80 0f 44 da e8 6f 78 8d 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 [ 3487.938873] RIP [] osc_io_submit+0x142/0x720 [osc] [ 3487.940236] RSP [ 3487.940954] 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 10.41s (real) 5.43s (CPU), Child processes: 4.90s