************************ crashinfo ************************* /exports/testreports/50430/testresults/conf-sanity2-ldiskfs-DNE-centos7_x86_64-centos7_x86_64/oleg457-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.BwXsR/vmlinux [TAINTED] DUMPFILE: /exports/testreports/50430/testresults/conf-sanity2-ldiskfs-DNE-centos7_x86_64-centos7_x86_64/oleg457-client-vmcore [PARTIAL DUMP] CPUS: 4 DATE: Tue Apr 1 13:18:19 EDT 2025 UPTIME: 00:04:53 LOAD AVERAGE: 0.17, 0.19, 0.09 TASKS: 150 NODENAME: oleg457-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=16545 CPU=1 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#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 25 last 5s 43 last 60s 82 ----- Total Numbers of Threads per State ------ TASK_INTERRUPTIBLE 145 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 ----- -------------- ------ ---------------------------- 9 rcu_sched 0 ms (no user stack) 1 systemd 2 ms (no user stack) 16545 dd 4 ms (no user stack) 27 rcuos/2 39 ms (no user stack) 14885 socknal_sd00_00 40 ms (no user stack) +------------------------+ >-------------------------| Memory Usage (kmem -i) |-------------------------< +------------------------+ PAGES TOTAL PERCENTAGE TOTAL MEM 955079 3.6 GB ---- FREE 861657 3.3 GB 90% of TOTAL MEM USED 93422 364.9 MB 9% of TOTAL MEM SHARED 10191 39.8 MB 1% of TOTAL MEM BUFFERS 5159 20.2 MB 0% of TOTAL MEM CACHED 46222 180.6 MB 4% of TOTAL MEM SLAB 10554 41.2 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 62330 243.5 MB 8% of TOTAL LIMIT +-------------------------------+ >----------------------| Scheduler Runqueues (per CPU) |----------------------< +-------------------------------+ ---+ CPU=0 ---- | CURRENT TASK , CMD=swapper/0 ---+ CPU=1 ---- | CURRENT TASK , CMD=dd ---+ 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): 4 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 290.3 eth0 n/a 0.1 RSS_TOTAL=76268 pages, %mem= 1.2 +------------+ >-------------------------------| Mounted FS |-------------------------------< +------------+ MOUNT SUPERBLK TYPE DEVNAME DIRNAME ffff880138cca000 ffff880139940800 rootfs rootfs / ffff880137668c40 ffff88013767e000 sysfs sysfs /sys ffff880137668e00 ffff880139944000 proc proc /proc ffff880137668fc0 ffff880137678000 devtmpfs devtmpfs /dev ffff880137669180 ffff8800b6cf3800 securityfs securityfs /sys/kernel/security ffff880137669340 ffff88013767e800 tmpfs tmpfs /dev/shm ffff880137669500 ffff880137679000 devpts devpts /dev/pts ffff8801376696c0 ffff88013767f000 tmpfs tmpfs /run ffff880137669880 ffff88013767f800 tmpfs tmpfs /sys/fs/cgroup ffff880137669a40 ffff88012aaf8000 cgroup cgroup /sys/fs/cgroup/systemd ffff880137669c00 ffff88012aaf8800 pstore pstore /sys/fs/pstore ffff880137669dc0 ffff88012aafa800 cgroup cgroup /sys/fs/cgroup/cpu,cpuacct ffff88012ab0a000 ffff88012aafa000 cgroup cgroup /sys/fs/cgroup/pids ffff88012ab0a1c0 ffff88012aaf9800 cgroup cgroup /sys/fs/cgroup/freezer ffff88012ab0a380 ffff88012aaf9000 cgroup cgroup /sys/fs/cgroup/devices ffff88012ab0a540 ffff88012aafb000 cgroup cgroup /sys/fs/cgroup/net_cls,net_prio ffff88012ab0a700 ffff88012aafb800 cgroup cgroup /sys/fs/cgroup/cpuset ffff88012ab0a8c0 ffff88012aafc000 cgroup cgroup /sys/fs/cgroup/memory ffff88012ab0aa80 ffff88012aafc800 cgroup cgroup /sys/fs/cgroup/perf_event ffff88012ab0ac40 ffff88012aafd000 cgroup cgroup /sys/fs/cgroup/blkio ffff88012ab0ae00 ffff88012aafd800 cgroup cgroup /sys/fs/cgroup/hugetlb ffff88012ab0b180 ffff8800b6f92000 configfs configfs /sys/kernel/config ffff880138ccbdc0 ffff8800b58e4000 ext4 /dev/nbd0 / ffff8801370181c0 ffff88012b3af800 rpc_pipefs rpc_pipefs /var/lib/nfs/rpc_pipefs ffff880137018380 ffff8800b6cf6800 autofs systemd-1 /proc/sys/fs/binfmt_misc ffff8801370aa8c0 ffff88012a44d800 hugetlbfs hugetlbfs /dev/hugepages ffff88012ab0b6c0 ffff88013771e800 mqueue mqueue /dev/mqueue ffff88012ab0b880 ffff880139947800 debugfs debugfs /sys/kernel/debug ffff8801370aaa80 ffff88012a449000 binfmt_misc binfmt_misc /proc/sys/fs/binfmt_misc/ ffff8801370aac40 ffff88013738c800 ramfs none /mnt ffff88012ab901c0 ffff8800b58e3000 tmpfs none /var/lib/stateless/writable ffff880137018700 ffff8800b5885000 squashfs /dev/vda /home/green/git/lustre-release ffff8801370aae00 ffff8800b58e3000 tmpfs none /var/cache/man ffff8801370188c0 ffff8800b58e3000 tmpfs none /var/log ffff8801370aafc0 ffff8800b58e3000 tmpfs none /var/lib/dbus ffff88012ab90540 ffff8800b58e3000 tmpfs none /tmp ffff8801370ab180 ffff8800b58e3000 tmpfs none /var/lib/dhclient ffff88012ab0ba40 ffff8800b58e3000 tmpfs none /var/tmp ffff88012ab90700 ffff8800b58e3000 tmpfs none /var/lib/NetworkManager ffff88012ab908c0 ffff8800b58e3000 tmpfs none /var/lib/systemd/random-seed ffff88012ab90a80 ffff8800b58e3000 tmpfs none /var/spool ffff88012ab90c40 ffff8800b58e3000 tmpfs none /var/lib/nfs ffff88012ab90e00 ffff8800b58e3000 tmpfs none /var/lib/gssproxy ffff88012ab90fc0 ffff8800b58e3000 tmpfs none /var/lib/logrotate ffff88012ab0bc00 ffff8800b58e3000 tmpfs none /etc ffff88012ab91180 ffff8800b58e3000 tmpfs none /var/lib/rsyslog ffff8801370ab340 ffff8800b58e3000 tmpfs none /var/lib/dhclient/var/lib/dhclient ffff880137018a80 ffff88012abb9000 nfs4 192.168.200.253:/exports/state/oleg457-client.virtnet /var/lib/stateless/state ffff8801370ab500 ffff88012abb9000 nfs4 192.168.200.253:/exports/state/oleg457-client.virtnet /boot ffff880137019180 ffff88012abb9000 nfs4 192.168.200.253:/exports/state/oleg457-client.virtnet /etc/etc/kdump.conf ffff880137019340 ffff88012b3af800 rpc_pipefs sunrpc /var/lib/nfs/var/lib/nfs/rpc_pipefs ffff8800b5a9e000 ffff8800b6f93800 nfs4 192.168.200.253://exports/testreports/50430/testresults/conf-sanity2-ldiskfs-DNE-centos7_x86_64-centos7_x86_64 /tmp/tmp/testlogs ffff8800b3b4bc00 ffff8800b60c1000 tmpfs tmpfs /run/user/0 ffff8800b428f340 ffff8800b5885000 squashfs /dev/vda /usr/sbin/mount.lustre ffff8800b5abc700 ffff8800aaa2b800 lustre 192.168.204.157@tcp:/lustre /mnt/lustre +-------------------------------+ >----------------------| Last 40 lines of dmesg buffer |----------------------< +-------------------------------+ [ 293.864132] Oops: 0000 [#1] SMP DEBUG_PAGEALLOC [ 293.865310] 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 lrw squashfs 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 [last unloaded: libcfs] [ 293.880061] CPU: 1 PID: 16545 Comm: dd Kdump: loaded Tainted: G OE ------------ 3.10.0-7.9-debug #1 [ 293.882898] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.2-1.fc38 04/01/2014 [ 293.885740] task: ffff8800aa99d550 ti: ffff8800abe98000 task.ti: ffff8800abe98000 [ 293.888071] RIP: 0010:[] [] osc_io_submit+0x142/0x720 [osc] [ 293.890745] RSP: 0018:ffff8800abe9b658 EFLAGS: 00010246 [ 293.892222] RAX: 0000000000000000 RBX: 0000000000000282 RCX: 0000000000000000 [ 293.894486] RDX: 0000000000020282 RSI: ffff88012e2e06e0 RDI: ffffea0002a9f8c0 [ 293.897077] RBP: ffff8800abe9b6f8 R08: 000000000000ffff R09: 000000000000ffff [ 293.899678] R10: 0000000000000000 R11: ffff8800abe9b436 R12: ffff8800b61c7078 [ 293.902260] R13: ffff8800aa836000 R14: ffff8800ae8c4100 R15: 0000000000000001 [ 293.904822] FS: 00007f645dc79740(0000) GS:ffff88013e280000(0000) knlGS:0000000000000000 [ 293.907702] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 293.909767] CR2: 000000000000012e CR3: 00000000b4120000 CR4: 0000000000160fe0 [ 293.912361] Call Trace: [ 293.913324] [] cl_io_submit_rw+0x72/0x190 [obdclass] [ 293.915715] [] lov_io_submit+0x1b4/0x3a0 [lov] [ 293.917962] [] cl_io_submit_rw+0x72/0x190 [obdclass] [ 293.920301] [] ll_direct_IO_impl+0x530/0xef0 [lustre] [ 293.922743] [] ll_direct_IO+0x7c/0xa0 [lustre] [ 293.924909] [] generic_file_direct_write+0xcf/0x190 [ 293.927139] [] __generic_file_aio_write+0x237/0x400 [ 293.929374] [] __generic_file_write_iter+0xcb/0x350 [lustre] [ 293.931975] [] vvp_io_write_start+0x578/0xde0 [lustre] [ 293.934423] [] cl_io_start+0x6d/0x150 [obdclass] [ 293.936727] [] cl_io_loop+0x9f/0x230 [obdclass] [ 293.938977] [] ll_file_io_generic+0x36b/0x1000 [lustre] [ 293.941488] [] do_file_write_iter+0x4ae/0x9f0 [lustre] [ 293.943857] [] ll_file_write_iter+0x2d/0x40 [lustre] [ 293.946147] [] ll_file_aio_write+0x1d6/0x210 [lustre] [ 293.948345] [] ll_file_write+0x111/0x1e0 [lustre] [ 293.950559] [] vfs_write+0xd6/0x230 [ 293.952384] [] ? vfs_read+0x112/0x1c0 [ 293.954286] [] SyS_write+0x7f/0xf0 [ 293.956069] [] system_call_fastpath+0x1f/0x24 [ 293.958157] 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 [ 293.966547] RIP [] osc_io_submit+0x142/0x720 [osc] [ 293.968857] RSP [ 293.970091] 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 11.29s (real) 5.79s (CPU), Child processes: 5.45s