************************ crashinfo ************************* /exports/testreports/50430/testresults/sanity-pfl-ldiskfs-DNE-centos7_x86_64-centos7_x86_64/oleg201-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.PV2Cj/vmlinux [TAINTED] DUMPFILE: /exports/testreports/50430/testresults/sanity-pfl-ldiskfs-DNE-centos7_x86_64-centos7_x86_64/oleg201-client-vmcore [PARTIAL DUMP] CPUS: 4 DATE: Tue Apr 1 13:16:46 EDT 2025 UPTIME: 00:03:21 LOAD AVERAGE: 0.35, 0.17, 0.07 TASKS: 162 NODENAME: oleg201-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=19905 CPU=0 CMD=lfs #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_aio_read+0x24e #17 vvp_io_read_start+0x779 #18 cl_io_start+0x6d #19 cl_io_loop+0x9f #20 ll_file_io_generic+0x36b #21 do_file_read_iter+0xc46 #22 ll_file_read_iter+0x2d #23 ll_file_aio_read+0x1b1 #24 ll_file_read+0x111 #25 vfs_read+0xb9 #26 sys_pread64+0x92 #27 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 54 last 5s 69 last 60s 74 ----- Total Numbers of Threads per State ------ TASK_INTERRUPTIBLE 157 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 ----- -------------- ------ ---------------------------- 2001 socknal_sd01_00 0 ms (no user stack) 9 rcu_sched 0 ms (no user stack) 20 rcuos/1 0 ms (no user stack) 2002 socknal_sd01_01 0 ms (no user stack) 5394 ldlm_cb01_001 0 ms (no user stack) +------------------------+ >-------------------------| Memory Usage (kmem -i) |-------------------------< +------------------------+ PAGES TOTAL PERCENTAGE TOTAL MEM 955079 3.6 GB ---- FREE 853884 3.3 GB 89% of TOTAL MEM USED 101195 395.3 MB 10% of TOTAL MEM SHARED 10188 39.8 MB 1% of TOTAL MEM BUFFERS 5210 20.4 MB 0% of TOTAL MEM CACHED 46374 181.1 MB 4% of TOTAL MEM SLAB 12582 49.1 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 78136 305.2 MB 10% of TOTAL LIMIT +-------------------------------+ >----------------------| Scheduler Runqueues (per CPU) |----------------------< +-------------------------------+ ---+ CPU=0 ---- | CURRENT TASK , CMD=lfs ---+ 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 149 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 199.0 eth0 n/a 0.1 RSS_TOTAL=83048 pages, %mem= 1.4 +------------+ >-------------------------------| Mounted FS |-------------------------------< +------------+ MOUNT SUPERBLK TYPE DEVNAME DIRNAME ffff880138cca000 ffff880139940800 rootfs rootfs / ffff88012ab30000 ffff8801372f8800 sysfs sysfs /sys ffff88012ab301c0 ffff880139944000 proc proc /proc ffff88012ab30380 ffff880137678000 devtmpfs devtmpfs /dev ffff88012ab30540 ffff8800b6cc6800 securityfs securityfs /sys/kernel/security ffff88012ab30700 ffff8801372f9000 tmpfs tmpfs /dev/shm ffff88012ab308c0 ffff88013771a000 devpts devpts /dev/pts ffff88012ab30a80 ffff8801372f9800 tmpfs tmpfs /run ffff88012ab30c40 ffff8801372fa000 tmpfs tmpfs /sys/fs/cgroup ffff88012ab30e00 ffff8801372fa800 cgroup cgroup /sys/fs/cgroup/systemd ffff88012ab30fc0 ffff8801372fb000 pstore pstore /sys/fs/pstore ffff88012ab31180 ffff8801372fd000 cgroup cgroup /sys/fs/cgroup/net_cls,net_prio ffff88012ab31340 ffff8801372fc800 cgroup cgroup /sys/fs/cgroup/cpuset ffff88012ab31500 ffff8801372fc000 cgroup cgroup /sys/fs/cgroup/hugetlb ffff88012ab316c0 ffff8801372fb800 cgroup cgroup /sys/fs/cgroup/memory ffff88012ab31880 ffff8801372fd800 cgroup cgroup /sys/fs/cgroup/cpu,cpuacct ffff88012ab31a40 ffff8801372fe000 cgroup cgroup /sys/fs/cgroup/freezer ffff88012ab31c00 ffff8801372fe800 cgroup cgroup /sys/fs/cgroup/perf_event ffff88012ab31dc0 ffff8801372ff000 cgroup cgroup /sys/fs/cgroup/pids ffff88012aa8c000 ffff8801372ff800 cgroup cgroup /sys/fs/cgroup/devices ffff88012aa8c1c0 ffff88012aa90000 cgroup cgroup /sys/fs/cgroup/blkio ffff8801377f6700 ffff8800b6181800 configfs configfs /sys/kernel/config ffff880137668700 ffff88012ab05800 ext4 /dev/nbd0 / ffff8800b6114540 ffff880137337800 rpc_pipefs rpc_pipefs /var/lib/nfs/rpc_pipefs ffff8801377f6a80 ffff8800b63d8800 autofs systemd-1 /proc/sys/fs/binfmt_misc ffff88012aa8ca80 ffff880139947800 debugfs debugfs /sys/kernel/debug ffff8800b6114700 ffff88013771b800 mqueue mqueue /dev/mqueue ffff8800b61148c0 ffff8800b5812800 hugetlbfs hugetlbfs /dev/hugepages ffff8801376688c0 ffff8800b609c800 binfmt_misc binfmt_misc /proc/sys/fs/binfmt_misc/ ffff88012aa8ce00 ffff8800b60f1800 ramfs none /mnt ffff880137668a80 ffff88012aa97800 tmpfs none /var/lib/stateless/writable ffff880137668c40 ffff8800b6187800 squashfs /dev/vda /home/green/git/lustre-release ffff88012aa8cfc0 ffff88012aa97800 tmpfs none /var/cache/man ffff880137668e00 ffff88012aa97800 tmpfs none /var/log ffff8800b6114c40 ffff88012aa97800 tmpfs none /var/lib/dbus ffff88012aa8d180 ffff88012aa97800 tmpfs none /tmp ffff880137668fc0 ffff88012aa97800 tmpfs none /var/lib/dhclient ffff880137669180 ffff88012aa97800 tmpfs none /var/tmp ffff880137669340 ffff88012aa97800 tmpfs none /var/lib/NetworkManager ffff8801377f6c40 ffff88012aa97800 tmpfs none /var/lib/systemd/random-seed ffff88012aa8d340 ffff88012aa97800 tmpfs none /var/spool ffff88012aa8d500 ffff88012aa97800 tmpfs none /var/lib/nfs ffff88012aa8d6c0 ffff88012aa97800 tmpfs none /var/lib/gssproxy ffff88012aa8d880 ffff88012aa97800 tmpfs none /var/lib/logrotate ffff8800b6114e00 ffff88012aa97800 tmpfs none /etc ffff88012aa8da40 ffff88012aa97800 tmpfs none /var/lib/rsyslog ffff88012aa8dc00 ffff88012aa97800 tmpfs none /var/lib/dhclient/var/lib/dhclient ffff880137669500 ffff8800b609e000 nfs4 192.168.200.253:/exports/state/oleg201-client.virtnet /var/lib/stateless/state ffff88012aa8ddc0 ffff8800b609e000 nfs4 192.168.200.253:/exports/state/oleg201-client.virtnet /boot ffff88012aa8c8c0 ffff8800b609e000 nfs4 192.168.200.253:/exports/state/oleg201-client.virtnet /etc/etc/kdump.conf ffff88012aa8c700 ffff880137337800 rpc_pipefs sunrpc /var/lib/nfs/var/lib/nfs/rpc_pipefs ffff880137669880 ffff8800b37fd000 nfs4 192.168.200.253://exports/testreports/50430/testresults/sanity-pfl-ldiskfs-DNE-centos7_x86_64-centos7_x86_64 /tmp/tmp/testlogs ffff880137669dc0 ffff8800b37fc000 tmpfs tmpfs /run/user/0 ffff880138ccb340 ffff8800b6187800 squashfs /dev/vda /usr/sbin/mount.lustre ffff8800b425c000 ffff8800b6098800 lustre 192.168.202.101@tcp:/lustre /mnt/lustre +-------------------------------+ >----------------------| Last 40 lines of dmesg buffer |----------------------< +-------------------------------+ [ 201.732765] CPU: 0 PID: 19905 Comm: lfs Kdump: loaded Tainted: G OE ------------ 3.10.0-7.9-debug #1 [ 201.734874] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.2-1.fc38 04/01/2014 [ 201.736812] task: ffff8800a7ab4440 ti: ffff8800a8430000 task.ti: ffff8800a8430000 [ 201.738415] RIP: 0010:[] [] osc_io_submit+0x142/0x720 [osc] [ 201.740201] RSP: 0018:ffff8800a84336c8 EFLAGS: 00010246 [ 201.741450] RAX: 0000000000000000 RBX: 0000000000000081 RCX: ffff88012c14e910 [ 201.742837] RDX: 0000000000020081 RSI: ffff8800a83baf20 RDI: ffffea00029c7d80 [ 201.744337] RBP: ffff8800a8433768 R08: ffff8800a7827978 R09: ffff8800a82b28d0 [ 201.746076] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8800a7827978 [ 201.748017] R13: ffff8800a98a7a00 R14: ffff8800a812a460 R15: 0000000000000000 [ 201.750089] FS: 00007f0a40ab6740(0000) GS:ffff88013e200000(0000) knlGS:0000000000000000 [ 201.752015] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 201.753617] CR2: 000000000000012e CR3: 00000000a8820000 CR4: 0000000000160ff0 [ 201.755577] Call Trace: [ 201.756276] [] cl_io_submit_rw+0x72/0x190 [obdclass] [ 201.758307] [] lov_io_submit+0x1b4/0x3a0 [lov] [ 201.759903] [] cl_io_submit_rw+0x72/0x190 [obdclass] [ 201.761353] [] ll_direct_IO_impl+0x530/0xef0 [lustre] [ 201.762994] [] ll_direct_IO+0x7c/0xa0 [lustre] [ 201.764319] [] generic_file_aio_read+0x24e/0x290 [ 201.766396] [] ? vvp_prep_size+0x20c/0x2f0 [lustre] [ 201.768504] [] vvp_io_read_start+0x779/0xa60 [lustre] [ 201.770637] [] ? cl_lock_request+0x67/0x210 [obdclass] [ 201.772577] [] cl_io_start+0x6d/0x150 [obdclass] [ 201.774322] [] cl_io_loop+0x9f/0x230 [obdclass] [ 201.775861] [] ll_file_io_generic+0x36b/0x1000 [lustre] [ 201.777768] [] ? do_raw_spin_unlock+0x49/0x90 [ 201.779400] [] do_file_read_iter+0xc46/0x1080 [lustre] [ 201.781221] [] ? handle_pte_fault+0x2ef/0xca0 [ 201.782996] [] ? _raw_spin_unlock+0xe/0x20 [ 201.784905] [] ll_file_read_iter+0x2d/0x40 [lustre] [ 201.786817] [] ll_file_aio_read+0x1b1/0x210 [lustre] [ 201.788429] [] ll_file_read+0x111/0x1e0 [lustre] [ 201.790356] [] vfs_read+0xb9/0x1c0 [ 201.791364] [] SyS_pread64+0x92/0xc0 [ 201.792718] [] system_call_fastpath+0x1f/0x24 [ 201.794256] Code: da 80 ca 80 41 0f b6 46 12 49 8b 7e f0 83 e0 c0 3c 80 0f 44 da e8 6f e8 8c 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 [ 201.800725] RIP [] osc_io_submit+0x142/0x720 [osc] [ 201.802665] RSP [ 201.803687] 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 11.38s (real) 5.88s (CPU), Child processes: 5.41s