************************ crashinfo ************************* /exports/testreports/50430/testresults/sanity2-zfs-centos7_x86_64-centos7_x86_64/oleg216-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.YsecK/vmlinux [TAINTED] DUMPFILE: /exports/testreports/50430/testresults/sanity2-zfs-centos7_x86_64-centos7_x86_64/oleg216-client-vmcore [PARTIAL DUMP] CPUS: 4 DATE: Tue Apr 1 13:18:27 EDT 2025 UPTIME: 00:05:04 LOAD AVERAGE: 0.62, 0.36, 0.15 TASKS: 158 NODENAME: oleg216-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=23891 CPU=0 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#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 66 last 5s 73 last 60s 83 ----- Total Numbers of Threads per State ------ TASK_INTERRUPTIBLE 152 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 ----- -------------- ------ ---------------------------- 50 kworker/1:1 0 ms (no user stack) 11 rcuos/0 0 ms (no user stack) 9 rcu_sched 0 ms (no user stack) 1971 ptlrpcd_01_01 0 ms (no user stack) 23891 dd 3 ms (no user stack) +------------------------+ >-------------------------| Memory Usage (kmem -i) |-------------------------< +------------------------+ PAGES TOTAL PERCENTAGE TOTAL MEM 955079 3.6 GB ---- FREE 854533 3.3 GB 89% of TOTAL MEM USED 100546 392.8 MB 10% of TOTAL MEM SHARED 11065 43.2 MB 1% of TOTAL MEM BUFFERS 5256 20.5 MB 0% of TOTAL MEM CACHED 46707 182.4 MB 4% of TOTAL MEM SLAB 11829 46.2 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 63969 249.9 MB 8% of TOTAL LIMIT +-------------------------------+ >----------------------| Scheduler Runqueues (per CPU) |----------------------< +-------------------------------+ ---+ CPU=0 ---- | CURRENT TASK , CMD=dd ---+ 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 57 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 301.9 eth0 n/a 0.1 RSS_TOTAL=86868 pages, %mem= 1.4 +------------+ >-------------------------------| Mounted FS |-------------------------------< +------------+ MOUNT SUPERBLK TYPE DEVNAME DIRNAME ffff880138cca000 ffff880139940800 rootfs rootfs / ffff880137668380 ffff88013767b000 sysfs sysfs /sys ffff880137668540 ffff880139944000 proc proc /proc ffff880137668700 ffff880137678000 devtmpfs devtmpfs /dev ffff8801376688c0 ffff88012b2c5800 securityfs securityfs /sys/kernel/security ffff880137668a80 ffff88013767b800 tmpfs tmpfs /dev/shm ffff880137668c40 ffff880137006800 devpts devpts /dev/pts ffff880137668e00 ffff88013767c000 tmpfs tmpfs /run ffff880137668fc0 ffff88013767c800 tmpfs tmpfs /sys/fs/cgroup ffff880137669180 ffff88013767d000 cgroup cgroup /sys/fs/cgroup/systemd ffff880137669340 ffff88013767d800 pstore pstore /sys/fs/pstore ffff880137669500 ffff88013767f800 cgroup cgroup /sys/fs/cgroup/perf_event ffff8801376696c0 ffff88013767f000 cgroup cgroup /sys/fs/cgroup/cpu,cpuacct ffff880137669880 ffff88013767e800 cgroup cgroup /sys/fs/cgroup/freezer ffff880137669a40 ffff88013767e000 cgroup cgroup /sys/fs/cgroup/pids ffff880137669c00 ffff88012aac0000 cgroup cgroup /sys/fs/cgroup/memory ffff880137669dc0 ffff88012aac0800 cgroup cgroup /sys/fs/cgroup/net_cls,net_prio ffff88012aa62000 ffff88012aac1000 cgroup cgroup /sys/fs/cgroup/cpuset ffff88012aa621c0 ffff88012aac1800 cgroup cgroup /sys/fs/cgroup/devices ffff88012aa62380 ffff88012aac2000 cgroup cgroup /sys/fs/cgroup/blkio ffff88012aa62540 ffff88012aac2800 cgroup cgroup /sys/fs/cgroup/hugetlb ffff8801370b28c0 ffff8800b64a6000 configfs configfs /sys/kernel/config ffff8800b5d1a000 ffff8800b5cda800 ext4 /dev/nbd0 / ffff8800b5d1a1c0 ffff88012aac6000 rpc_pipefs rpc_pipefs /var/lib/nfs/rpc_pipefs ffff880138ccb500 ffff88012e1e7800 autofs systemd-1 /proc/sys/fs/binfmt_misc ffff880138ccb6c0 ffff880139947800 debugfs debugfs /sys/kernel/debug ffff880138ccb880 ffff88012b2c0000 mqueue mqueue /dev/mqueue ffff8801370b2fc0 ffff8800b6d05000 hugetlbfs hugetlbfs /dev/hugepages ffff8801370b3180 ffff8800b6d07800 binfmt_misc binfmt_misc /proc/sys/fs/binfmt_misc/ ffff8801370b3340 ffff8800b6d03000 ramfs none /mnt ffff88012aa63c00 ffff8800b5e2c800 tmpfs none /var/lib/stateless/writable ffff880138ccba40 ffff88012aac4000 squashfs /dev/vda /home/green/git/lustre-release ffff8800b5d1a540 ffff8800b5e2c800 tmpfs none /var/cache/man ffff8800b5d1a700 ffff8800b5e2c800 tmpfs none /var/log ffff8801370b3500 ffff8800b5e2c800 tmpfs none /var/lib/dbus ffff88012aa63dc0 ffff8800b5e2c800 tmpfs none /tmp ffff880138ccbc00 ffff8800b5e2c800 tmpfs none /var/lib/dhclient ffff8801370b36c0 ffff8800b5e2c800 tmpfs none /var/tmp ffff8801370b3880 ffff8800b5e2c800 tmpfs none /var/lib/NetworkManager ffff8800b5d1a8c0 ffff8800b5e2c800 tmpfs none /var/lib/systemd/random-seed ffff8800b3c00000 ffff8800b5e2c800 tmpfs none /var/spool ffff8800b5d1aa80 ffff8800b5e2c800 tmpfs none /var/lib/nfs ffff8800b3c001c0 ffff8800b5e2c800 tmpfs none /var/lib/gssproxy ffff8800b5d1ac40 ffff8800b5e2c800 tmpfs none /var/lib/logrotate ffff8801370b3a40 ffff8800b5e2c800 tmpfs none /etc ffff8801370b3c00 ffff8800b5e2c800 tmpfs none /var/lib/rsyslog ffff8800b3c00380 ffff8800b5e2c800 tmpfs none /var/lib/dhclient/var/lib/dhclient ffff8800b3c00540 ffff8800b5c60800 nfs4 192.168.200.253:/exports/state/oleg216-client.virtnet /var/lib/stateless/state ffff8800b5d1ae00 ffff8800b5c60800 nfs4 192.168.200.253:/exports/state/oleg216-client.virtnet /boot ffff880138ccbdc0 ffff8800b5c60800 nfs4 192.168.200.253:/exports/state/oleg216-client.virtnet /etc/etc/kdump.conf ffff8800b5d1afc0 ffff88012aac6000 rpc_pipefs sunrpc /var/lib/nfs/var/lib/nfs/rpc_pipefs ffff8800b5d1b340 ffff8800b66d4000 nfs4 192.168.200.253://exports/testreports/50430/testresults/sanity2-zfs-centos7_x86_64-centos7_x86_64 /tmp/tmp/testlogs ffff88012a4e8000 ffff88012a527800 tmpfs tmpfs /run/user/0 ffff8800b368b340 ffff88012aac4000 squashfs /dev/vda /usr/sbin/mount.lustre ffff88012a4e8a80 ffff880083720800 lustre 192.168.202.116@tcp:/lustre /mnt/lustre +-------------------------------+ >----------------------| Last 40 lines of dmesg buffer |----------------------< +-------------------------------+ [ 304.537230] Oops: 0000 [#1] SMP DEBUG_PAGEALLOC [ 304.538777] 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 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 serio_raw ata_piix libata [ 304.554906] CPU: 0 PID: 23891 Comm: dd Kdump: loaded Tainted: G OE ------------ 3.10.0-7.9-debug #1 [ 304.557339] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.2-1.fc38 04/01/2014 [ 304.559347] task: ffff8800b6ee9110 ti: ffff880088394000 task.ti: ffff880088394000 [ 304.561376] RIP: 0010:[] [] osc_io_submit+0x142/0x720 [osc] [ 304.563214] RSP: 0018:ffff880088397658 EFLAGS: 00010246 [ 304.564446] RAX: 0000000000000000 RBX: 0000000000000282 RCX: 0000000000000008 [ 304.565835] RDX: 0000000000020282 RSI: ffff8800b6783600 RDI: ffffea0002a42f40 [ 304.567627] RBP: ffff8800883976f8 R08: 000000000000ffff R09: 000000000000ffff [ 304.569585] R10: 0000000000000000 R11: ffff880088397436 R12: ffff8800b5dab738 [ 304.571496] R13: ffff8800a94b1040 R14: ffff8801301c0a48 R15: 0000000000000001 [ 304.573365] FS: 00007f4c171fe740(0000) GS:ffff88013e200000(0000) knlGS:0000000000000000 [ 304.575521] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 304.577026] CR2: 000000000000012e CR3: 00000000a7860000 CR4: 0000000000160ff0 [ 304.578809] Call Trace: [ 304.579700] [] cl_io_submit_rw+0x72/0x190 [obdclass] [ 304.581693] [] lov_io_submit+0x1b4/0x3a0 [lov] [ 304.583209] [] cl_io_submit_rw+0x72/0x190 [obdclass] [ 304.585620] [] ll_direct_IO_impl+0x530/0xef0 [lustre] [ 304.588366] [] ll_direct_IO+0x7c/0xa0 [lustre] [ 304.590908] [] generic_file_direct_write+0xcf/0x190 [ 304.593552] [] __generic_file_aio_write+0x237/0x400 [ 304.596192] [] __generic_file_write_iter+0xcb/0x350 [lustre] [ 304.597944] [] vvp_io_write_start+0x578/0xde0 [lustre] [ 304.599741] [] cl_io_start+0x6d/0x150 [obdclass] [ 304.601435] [] cl_io_loop+0x9f/0x230 [obdclass] [ 304.603197] [] ll_file_io_generic+0x36b/0x1000 [lustre] [ 304.605054] [] do_file_write_iter+0x4ae/0x9f0 [lustre] [ 304.607293] [] ll_file_write_iter+0x2d/0x40 [lustre] [ 304.608659] [] ll_file_aio_write+0x1d6/0x210 [lustre] [ 304.610152] [] ll_file_write+0x111/0x1e0 [lustre] [ 304.611472] [] vfs_write+0xd6/0x230 [ 304.612475] [] ? vfs_read+0x112/0x1c0 [ 304.614344] [] SyS_write+0x7f/0xf0 [ 304.616283] [] system_call_fastpath+0x1f/0x24 [ 304.617793] Code: da 80 ca 80 41 0f b6 46 12 49 8b 7e f0 83 e0 c0 3c 80 0f 44 da e8 6f d8 e6 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 [ 304.623441] RIP [] osc_io_submit+0x142/0x720 [osc] [ 304.625050] RSP [ 304.625845] 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 11.13s (real) 5.82s (CPU), Child processes: 5.26s