************************ crashinfo ************************* /exports/testreports/50430/testresults/sanity-quota-zfs-centos7_x86_64-centos7_x86_64/oleg251-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.vfFGy/vmlinux [TAINTED] DUMPFILE: /exports/testreports/50430/testresults/sanity-quota-zfs-centos7_x86_64-centos7_x86_64/oleg251-client-vmcore [PARTIAL DUMP] CPUS: 4 DATE: Tue Apr 1 13:26:10 EDT 2025 UPTIME: 00:12:47 LOAD AVERAGE: 0.05, 0.08, 0.05 TASKS: 161 NODENAME: oleg251-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=10647 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+0x1d6 #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 49 last 5s 62 last 60s 72 ----- Total Numbers of Threads per State ------ TASK_INTERRUPTIBLE 156 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 ----- -------------- ------ ---------------------------- 276 kworker/3:2 0 ms (no user stack) 21607 kworker/0:0 0 ms (no user stack) 20 rcuos/1 0 ms (no user stack) 11 rcuos/0 0 ms (no user stack) 17 kworker/1:0 0 ms (no user stack) +------------------------+ >-------------------------| Memory Usage (kmem -i) |-------------------------< +------------------------+ PAGES TOTAL PERCENTAGE TOTAL MEM 955079 3.6 GB ---- FREE 855794 3.3 GB 89% of TOTAL MEM USED 99285 387.8 MB 10% of TOTAL MEM SHARED 10256 40.1 MB 1% of TOTAL MEM BUFFERS 5144 20.1 MB 0% of TOTAL MEM CACHED 46193 180.4 MB 4% of TOTAL MEM SLAB 12033 47 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 62039 242.3 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=dd ---+ CPU=3 ---- | CURRENT TASK , CMD=swapper/3 +------------------------+ >-------------------------| Network Status Summary |-------------------------< +------------------------+ TCP Connection Info ------------------- ESTABLISHED 6 TIME_WAIT 55 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 765.0 eth0 n/a 0.0 RSS_TOTAL=78092 pages, %mem= 1.3 +------------+ >-------------------------------| Mounted FS |-------------------------------< +------------+ MOUNT SUPERBLK TYPE DEVNAME DIRNAME ffff880138cca000 ffff880139940800 rootfs rootfs / ffff88012b25e700 ffff8800b6cc3800 sysfs sysfs /sys ffff88012b25e8c0 ffff880139944000 proc proc /proc ffff88012b25ea80 ffff880137678000 devtmpfs devtmpfs /dev ffff88012b25ec40 ffff8800b6c62000 securityfs securityfs /sys/kernel/security ffff88012b25ee00 ffff8800b6cc4000 tmpfs tmpfs /dev/shm ffff88012b25efc0 ffff880137301800 devpts devpts /dev/pts ffff88012b25f180 ffff8800b6cc4800 tmpfs tmpfs /run ffff88012b25f340 ffff8800b6cc5000 tmpfs tmpfs /sys/fs/cgroup ffff88012b25f500 ffff8800b6cc5800 cgroup cgroup /sys/fs/cgroup/systemd ffff88012b25f6c0 ffff8800b6cc6000 pstore pstore /sys/fs/pstore ffff88012b25f880 ffff88012aa88000 cgroup cgroup /sys/fs/cgroup/blkio ffff88012b25fa40 ffff88012aa88800 cgroup cgroup /sys/fs/cgroup/hugetlb ffff88012b25fc00 ffff88012aa89000 cgroup cgroup /sys/fs/cgroup/cpu,cpuacct ffff88012b25fdc0 ffff88012aa89800 cgroup cgroup /sys/fs/cgroup/net_cls,net_prio ffff88012ab18000 ffff88012aa8a000 cgroup cgroup /sys/fs/cgroup/perf_event ffff88012ab181c0 ffff88012aa8a800 cgroup cgroup /sys/fs/cgroup/cpuset ffff88012ab18380 ffff88012aa8b000 cgroup cgroup /sys/fs/cgroup/memory ffff88012ab18540 ffff88012aa8b800 cgroup cgroup /sys/fs/cgroup/devices ffff88012ab18700 ffff88012aa8c000 cgroup cgroup /sys/fs/cgroup/pids ffff88012ab188c0 ffff88012aa8c800 cgroup cgroup /sys/fs/cgroup/freezer ffff88012ab18c40 ffff88012aa8d000 configfs configfs /sys/kernel/config ffff880137668540 ffff880137679800 ext4 /dev/nbd0 / ffff880137668700 ffff88012aa8f800 rpc_pipefs rpc_pipefs /var/lib/nfs/rpc_pipefs ffff8801377f2540 ffff88012a5f0800 autofs systemd-1 /proc/sys/fs/binfmt_misc ffff8801377f2700 ffff88013771e000 mqueue mqueue /dev/mqueue ffff8801377f28c0 ffff8800b637c000 hugetlbfs hugetlbfs /dev/hugepages ffff8801377f2a80 ffff880139947800 debugfs debugfs /sys/kernel/debug ffff8801377f2c40 ffff88012a425800 binfmt_misc binfmt_misc /proc/sys/fs/binfmt_misc/ ffff88012ab19500 ffff8800b5c34000 ramfs none /mnt ffff8801377f2e00 ffff8800b6c76800 tmpfs none /var/lib/stateless/writable ffff8800b62fa380 ffff8800b5c30000 squashfs /dev/vda /home/green/git/lustre-release ffff8801377f2fc0 ffff8800b6c76800 tmpfs none /var/cache/man ffff8800b62fa700 ffff8800b6c76800 tmpfs none /var/log ffff88012ab196c0 ffff8800b6c76800 tmpfs none /var/lib/dbus ffff8800b62fa8c0 ffff8800b6c76800 tmpfs none /tmp ffff88012ab19880 ffff8800b6c76800 tmpfs none /var/lib/dhclient ffff8800b62faa80 ffff8800b6c76800 tmpfs none /var/tmp ffff8801376688c0 ffff8800b6c76800 tmpfs none /var/lib/NetworkManager ffff88012ab19a40 ffff8800b6c76800 tmpfs none /var/lib/systemd/random-seed ffff8801377f3180 ffff8800b6c76800 tmpfs none /var/spool ffff8801377f3340 ffff8800b6c76800 tmpfs none /var/lib/nfs ffff880137668a80 ffff8800b6c76800 tmpfs none /var/lib/gssproxy ffff8800b62fac40 ffff8800b6c76800 tmpfs none /var/lib/logrotate ffff880137668c40 ffff8800b6c76800 tmpfs none /etc ffff880137668e00 ffff8800b6c76800 tmpfs none /var/lib/rsyslog ffff8801377f3500 ffff8800b6c76800 tmpfs none /var/lib/dhclient/var/lib/dhclient ffff8801377f36c0 ffff88012a427800 nfs4 192.168.200.253:/exports/state/oleg251-client.virtnet /var/lib/stateless/state ffff88012ab19dc0 ffff88012a427800 nfs4 192.168.200.253:/exports/state/oleg251-client.virtnet /boot ffff88012ab19c00 ffff88012a427800 nfs4 192.168.200.253:/exports/state/oleg251-client.virtnet /etc/etc/kdump.conf ffff880137668fc0 ffff88012aa8f800 rpc_pipefs sunrpc /var/lib/nfs/var/lib/nfs/rpc_pipefs ffff88012ab18fc0 ffff8800b6376000 nfs4 192.168.200.253://exports/testreports/50430/testresults/sanity-quota-zfs-centos7_x86_64-centos7_x86_64 /tmp/tmp/testlogs ffff88012aa0f6c0 ffff88012ab79800 tmpfs tmpfs /run/user/0 ffff88012aaba1c0 ffff8800b5c30000 squashfs /dev/vda /usr/sbin/mount.lustre ffff88012aaba380 ffff88012a5f7000 lustre 192.168.202.151@tcp:/lustre /mnt/lustre +-------------------------------+ >----------------------| Last 40 lines of dmesg buffer |----------------------< +-------------------------------+ [ 767.669726] Oops: 0000 [#1] SMP DEBUG_PAGEALLOC [ 767.670727] 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 ata_piix serio_raw libata [ 767.685563] CPU: 2 PID: 10647 Comm: dd Kdump: loaded Tainted: G OE ------------ 3.10.0-7.9-debug #1 [ 767.688975] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.2-1.fc38 04/01/2014 [ 767.692575] task: ffff8800a80e2220 ti: ffff8800a7cd0000 task.ti: ffff8800a7cd0000 [ 767.695735] RIP: 0010:[] [] osc_io_submit+0x142/0x720 [osc] [ 767.699016] RSP: 0018:ffff8800a7cd3658 EFLAGS: 00010246 [ 767.700963] RAX: 0000000000000000 RBX: 0000000000000282 RCX: 0000000000000008 [ 767.703919] RDX: 0000000000020282 RSI: ffff8800a83ad8c0 RDI: ffffea0002a79c80 [ 767.706852] RBP: ffff8800a7cd36f8 R08: 000000000000ffff R09: 000000000000ffff [ 767.709875] R10: 0000000000000000 R11: 000000000000000f R12: ffff8800a8be8eb8 [ 767.712609] R13: ffff8801309fe340 R14: ffff8800a811ea48 R15: 0000000000000001 [ 767.714280] FS: 00007f1e9287e740(0000) GS:ffff88013e300000(0000) knlGS:0000000000000000 [ 767.716583] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 767.717962] CR2: 000000000000012e CR3: 00000000a82e0000 CR4: 0000000000160fe0 [ 767.720170] Call Trace: [ 767.721057] [] cl_io_submit_rw+0x72/0x190 [obdclass] [ 767.722937] [] lov_io_submit+0x1b4/0x3a0 [lov] [ 767.724817] [] cl_io_submit_rw+0x72/0x190 [obdclass] [ 767.726628] [] ll_direct_IO_impl+0x530/0xef0 [lustre] [ 767.728566] [] ll_direct_IO+0x7c/0xa0 [lustre] [ 767.730038] [] generic_file_direct_write+0xcf/0x190 [ 767.731559] [] __generic_file_aio_write+0x237/0x400 [ 767.733746] [] __generic_file_write_iter+0xcb/0x350 [lustre] [ 767.735527] [] vvp_io_write_start+0x578/0xde0 [lustre] [ 767.737204] [] cl_io_start+0x6d/0x150 [obdclass] [ 767.739752] [] cl_io_loop+0x9f/0x230 [obdclass] [ 767.741471] [] ll_file_io_generic+0x36b/0x1000 [lustre] [ 767.743681] [] do_file_write_iter+0x4ae/0x9f0 [lustre] [ 767.745596] [] ll_file_write_iter+0x2d/0x40 [lustre] [ 767.747532] [] ll_file_aio_write+0x1d6/0x210 [lustre] [ 767.750155] [] ll_file_write+0x111/0x1e0 [lustre] [ 767.752379] [] vfs_write+0xd6/0x230 [ 767.754158] [] ? vfs_read+0x112/0x1c0 [ 767.755798] [] SyS_write+0x7f/0xf0 [ 767.757745] [] system_call_fastpath+0x1f/0x24 [ 767.759555] Code: da 80 ca 80 41 0f b6 46 12 49 8b 7e f0 83 e0 c0 3c 80 0f 44 da e8 6f 88 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 [ 767.767403] RIP [] osc_io_submit+0x142/0x720 [osc] [ 767.769901] RSP [ 767.771197] 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 11.16s (real) 5.75s (CPU), Child processes: 5.34s