************************ crashinfo ************************* /exports/testreports/50430/testresults/conf-sanity2-zfs-centos7_x86_64-centos7_x86_64/oleg260-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.EQJrR/vmlinux [TAINTED] DUMPFILE: /exports/testreports/50430/testresults/conf-sanity2-zfs-centos7_x86_64-centos7_x86_64/oleg260-client-vmcore [PARTIAL DUMP] CPUS: 4 DATE: Tue Apr 1 13:17:51 EDT 2025 UPTIME: 00:04:27 LOAD AVERAGE: 0.18, 0.16, 0.07 TASKS: 150 NODENAME: oleg260-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=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=17386 CPU=3 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 +--------------------------------+ >---------------------| 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 31 last 5s 42 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) 15784 monitor_thread 0 ms (no user stack) 17386 dd 7 ms (no user stack) 27 rcuos/2 9 ms (no user stack) 11 rcuos/0 12 ms (no user stack) +------------------------+ >-------------------------| Memory Usage (kmem -i) |-------------------------< +------------------------+ PAGES TOTAL PERCENTAGE TOTAL MEM 955079 3.6 GB ---- FREE 862096 3.3 GB 90% of TOTAL MEM USED 92983 363.2 MB 9% of TOTAL MEM SHARED 10190 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 10534 41.1 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 62353 243.6 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=swapper/2 ---+ CPU=3 ---- | CURRENT TASK , CMD=dd +------------------------+ >-------------------------| Network Status Summary |-------------------------< +------------------------+ TCP Connection Info ------------------- ESTABLISHED 6 TIME_WAIT 60 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 265.2 eth0 n/a 0.1 RSS_TOTAL=74884 pages, %mem= 1.2 +------------+ >-------------------------------| Mounted FS |-------------------------------< +------------+ MOUNT SUPERBLK TYPE DEVNAME DIRNAME ffff880138cca000 ffff880139940800 rootfs rootfs / ffff880137668fc0 ffff880136be5000 sysfs sysfs /sys ffff880137669180 ffff880139944000 proc proc /proc ffff880137669340 ffff880137678000 devtmpfs devtmpfs /dev ffff880137669500 ffff88012aa90000 securityfs securityfs /sys/kernel/security ffff8801376696c0 ffff880136be5800 tmpfs tmpfs /dev/shm ffff880137669880 ffff880136be1000 devpts devpts /dev/pts ffff880137669a40 ffff880136be6000 tmpfs tmpfs /run ffff880137669c00 ffff880136be6800 tmpfs tmpfs /sys/fs/cgroup ffff880137669dc0 ffff880136be7000 cgroup cgroup /sys/fs/cgroup/systemd ffff88012aa1e000 ffff880136be7800 pstore pstore /sys/fs/pstore ffff88012aa1e1c0 ffff88012aab1800 cgroup cgroup /sys/fs/cgroup/cpu,cpuacct ffff88012aa1e380 ffff88012aab1000 cgroup cgroup /sys/fs/cgroup/hugetlb ffff88012aa1e540 ffff88012aab0800 cgroup cgroup /sys/fs/cgroup/net_cls,net_prio ffff88012aa1e700 ffff88012aab0000 cgroup cgroup /sys/fs/cgroup/devices ffff88012aa1e8c0 ffff88012aab2000 cgroup cgroup /sys/fs/cgroup/freezer ffff88012aa1ea80 ffff88012aab2800 cgroup cgroup /sys/fs/cgroup/perf_event ffff88012aa1ec40 ffff88012aab3000 cgroup cgroup /sys/fs/cgroup/cpuset ffff88012aa1ee00 ffff88012aab3800 cgroup cgroup /sys/fs/cgroup/pids ffff88012aa1efc0 ffff88012aab4000 cgroup cgroup /sys/fs/cgroup/memory ffff88012aa1f180 ffff88012aab4800 cgroup cgroup /sys/fs/cgroup/blkio ffff880138ccafc0 ffff8800b6d0b000 configfs configfs /sys/kernel/config ffff8800b614a000 ffff8800b6df5800 ext4 /dev/nbd0 / ffff88012aa1f340 ffff88012aa93000 rpc_pipefs rpc_pipefs /var/lib/nfs/rpc_pipefs ffff88012aa82c40 ffff880136912000 autofs systemd-1 /proc/sys/fs/binfmt_misc ffff8800b62301c0 ffff88012a613000 hugetlbfs hugetlbfs /dev/hugepages ffff8800b6230380 ffff88013771e800 mqueue mqueue /dev/mqueue ffff8800b6230540 ffff880139947800 debugfs debugfs /sys/kernel/debug ffff8800b614a1c0 ffff8800b63a6000 binfmt_misc binfmt_misc /proc/sys/fs/binfmt_misc/ ffff88012aa82e00 ffff880136916800 ramfs none /mnt ffff88012aa1f500 ffff88012a588000 tmpfs none /var/lib/stateless/writable ffff88012aa82fc0 ffff8801368fd000 squashfs /dev/vda /home/green/git/lustre-release ffff88012aa83180 ffff88012a588000 tmpfs none /var/cache/man ffff8800b6230a80 ffff88012a588000 tmpfs none /var/log ffff88012aa1f6c0 ffff88012a588000 tmpfs none /var/lib/dbus ffff88012aa1f880 ffff88012a588000 tmpfs none /tmp ffff88012aa1fa40 ffff88012a588000 tmpfs none /var/lib/dhclient ffff8800b6230c40 ffff88012a588000 tmpfs none /var/tmp ffff88012aa1fc00 ffff88012a588000 tmpfs none /var/lib/NetworkManager ffff88012aa83340 ffff88012a588000 tmpfs none /var/lib/systemd/random-seed ffff88012aa1fdc0 ffff88012a588000 tmpfs none /var/spool ffff880138ccac40 ffff88012a588000 tmpfs none /var/lib/nfs ffff8800b3cfa000 ffff88012a588000 tmpfs none /var/lib/gssproxy ffff8800b3cfa1c0 ffff88012a588000 tmpfs none /var/lib/logrotate ffff8800b6230e00 ffff88012a588000 tmpfs none /etc ffff88012aa83500 ffff88012a588000 tmpfs none /var/lib/rsyslog ffff88012aa836c0 ffff88012a588000 tmpfs none /var/lib/dhclient/var/lib/dhclient ffff8800b3cfa380 ffff8801368fc000 nfs4 192.168.200.253:/exports/state/oleg260-client.virtnet /var/lib/stateless/state ffff88012aa83c00 ffff8801368fc000 nfs4 192.168.200.253:/exports/state/oleg260-client.virtnet /boot ffff88012aa83dc0 ffff8801368fc000 nfs4 192.168.200.253:/exports/state/oleg260-client.virtnet /etc/etc/kdump.conf ffff8800b3cfa540 ffff88012aa93000 rpc_pipefs sunrpc /var/lib/nfs/var/lib/nfs/rpc_pipefs ffff8800b35208c0 ffff880136916000 nfs4 192.168.200.253://exports/testreports/50430/testresults/conf-sanity2-zfs-centos7_x86_64-centos7_x86_64 /tmp/tmp/testlogs ffff8800b3cfafc0 ffff8800b37cd000 tmpfs tmpfs /run/user/0 ffff8800b3cfb880 ffff8801368fd000 squashfs /dev/vda /usr/sbin/mount.lustre ffff8800b6231a40 ffff8800aa483000 lustre 192.168.202.160@tcp:/lustre /mnt/lustre +-------------------------------+ >----------------------| Last 40 lines of dmesg buffer |----------------------< +-------------------------------+ [ 267.928961] Oops: 0000 [#1] SMP DEBUG_PAGEALLOC [ 267.930448] 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 ata_piix crc32c_intel serio_raw libata [last unloaded: libcfs] [ 267.947489] CPU: 3 PID: 17386 Comm: dd Kdump: loaded Tainted: G OE ------------ 3.10.0-7.9-debug #1 [ 267.950624] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.2-1.fc38 04/01/2014 [ 267.952586] task: ffff88012aa48000 ti: ffff88012c0a4000 task.ti: ffff88012c0a4000 [ 267.954202] RIP: 0010:[] [] osc_io_submit+0x142/0x720 [osc] [ 267.956811] RSP: 0018:ffff88012c0a7658 EFLAGS: 00010246 [ 267.958369] RAX: 0000000000000000 RBX: 0000000000000282 RCX: 0000000000000008 [ 267.960384] RDX: 0000000000020282 RSI: ffff88013762c580 RDI: ffffea00049f65c0 [ 267.962369] RBP: ffff88012c0a76f8 R08: 000000000000ffff R09: 000000000000ffff [ 267.964368] R10: 0000000000000000 R11: ffff88012c0a7436 R12: ffff8800aa60f7f8 [ 267.966379] R13: ffff88012dbb4000 R14: ffff88012f36a100 R15: 0000000000000001 [ 267.968216] FS: 00007f0ed7eea740(0000) GS:ffff88013e380000(0000) knlGS:0000000000000000 [ 267.970680] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 267.972362] CR2: 000000000000012e CR3: 0000000136b52000 CR4: 0000000000160fe0 [ 267.974491] Call Trace: [ 267.975419] [] cl_io_submit_rw+0x72/0x190 [obdclass] [ 267.977424] [] lov_io_submit+0x1b4/0x3a0 [lov] [ 267.979114] [] cl_io_submit_rw+0x72/0x190 [obdclass] [ 267.981203] [] ll_direct_IO_impl+0x530/0xef0 [lustre] [ 267.983646] [] ll_direct_IO+0x7c/0xa0 [lustre] [ 267.985666] [] generic_file_direct_write+0xcf/0x190 [ 267.987179] [] __generic_file_aio_write+0x237/0x400 [ 267.989272] [] __generic_file_write_iter+0xcb/0x350 [lustre] [ 267.991233] [] vvp_io_write_start+0x578/0xde0 [lustre] [ 267.992797] [] cl_io_start+0x6d/0x150 [obdclass] [ 267.994501] [] cl_io_loop+0x9f/0x230 [obdclass] [ 267.996314] [] ll_file_io_generic+0x36b/0x1000 [lustre] [ 267.998431] [] do_file_write_iter+0x4ae/0x9f0 [lustre] [ 268.000132] [] ll_file_write_iter+0x2d/0x40 [lustre] [ 268.002061] [] ll_file_aio_write+0x1d6/0x210 [lustre] [ 268.003679] [] ll_file_write+0x111/0x1e0 [lustre] [ 268.005378] [] vfs_write+0xd6/0x230 [ 268.006993] [] ? vfs_read+0x112/0x1c0 [ 268.008732] [] SyS_write+0x7f/0xf0 [ 268.010300] [] system_call_fastpath+0x1f/0x24 [ 268.011901] Code: da 80 ca 80 41 0f b6 46 12 49 8b 7e f0 83 e0 c0 3c 80 0f 44 da e8 6f a8 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 [ 268.019085] RIP [] osc_io_submit+0x142/0x720 [osc] [ 268.020972] RSP [ 268.022220] 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 11.35s (real) 5.84s (CPU), Child processes: 5.46s