************************ crashinfo ************************* /exports/testreports/50430/testresults/recovery-small-zfs-centos7_x86_64-centos7_x86_64/oleg220-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.LY1Vn/vmlinux [TAINTED] DUMPFILE: /exports/testreports/50430/testresults/recovery-small-zfs-centos7_x86_64-centos7_x86_64/oleg220-client-vmcore [PARTIAL DUMP] CPUS: 4 DATE: Tue Apr 1 14:37:31 EDT 2025 UPTIME: 01:24:04 LOAD AVERAGE: 0.07, 1.83, 1.92 TASKS: 154 NODENAME: oleg220-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=13467 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 44 last 5s 56 last 60s 61 ----- Total Numbers of Threads per State ------ TASK_INTERRUPTIBLE 149 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 ----- -------------- ------ ---------------------------- 46 kworker/2:1 0 ms (no user stack) 13467 dd 0 ms (no user stack) 14 watchdog/1 0 ms (no user stack) 1967 ptlrpcd_01_00 0 ms (no user stack) 1958 socknal_sd00_01 0 ms (no user stack) +------------------------+ >-------------------------| Memory Usage (kmem -i) |-------------------------< +------------------------+ PAGES TOTAL PERCENTAGE TOTAL MEM 955079 3.6 GB ---- FREE 842886 3.2 GB 88% of TOTAL MEM USED 112193 438.3 MB 11% of TOTAL MEM SHARED 10138 39.6 MB 1% of TOTAL MEM BUFFERS 5262 20.6 MB 0% of TOTAL MEM CACHED 48772 190.5 MB 5% of TOTAL MEM SLAB 21652 84.6 MB 2% 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 64179 250.7 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 11 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 5041.1 eth0 n/a 0.1 RSS_TOTAL=79340 pages, %mem= 1.3 +------------+ >-------------------------------| Mounted FS |-------------------------------< +------------+ MOUNT SUPERBLK TYPE DEVNAME DIRNAME ffff880138cca000 ffff880139940800 rootfs rootfs / ffff88012aaae000 ffff8800b6cfd800 sysfs sysfs /sys ffff88012aaae1c0 ffff880139944000 proc proc /proc ffff88012aaae380 ffff880137678000 devtmpfs devtmpfs /dev ffff88012aaae540 ffff8800b6d20000 securityfs securityfs /sys/kernel/security ffff88012aaae700 ffff8800b6cfe000 tmpfs tmpfs /dev/shm ffff88012aaae8c0 ffff880137678800 devpts devpts /dev/pts ffff88012aaaea80 ffff8800b6cfe800 tmpfs tmpfs /run ffff88012aaaec40 ffff8800b6cff000 tmpfs tmpfs /sys/fs/cgroup ffff88012aaaee00 ffff8800b6cff800 cgroup cgroup /sys/fs/cgroup/systemd ffff88012aaaefc0 ffff88012aa90000 pstore pstore /sys/fs/pstore ffff88012aaaf180 ffff88012aa92000 cgroup cgroup /sys/fs/cgroup/cpu,cpuacct ffff88012aaaf340 ffff88012aa91800 cgroup cgroup /sys/fs/cgroup/net_cls,net_prio ffff88012aaaf500 ffff88012aa91000 cgroup cgroup /sys/fs/cgroup/freezer ffff88012aaaf6c0 ffff88012aa90800 cgroup cgroup /sys/fs/cgroup/perf_event ffff88012aaaf880 ffff88012aa92800 cgroup cgroup /sys/fs/cgroup/cpuset ffff88012aaafa40 ffff88012aa93000 cgroup cgroup /sys/fs/cgroup/pids ffff88012aaafc00 ffff88012aa93800 cgroup cgroup /sys/fs/cgroup/devices ffff88012aaafdc0 ffff88012aa94000 cgroup cgroup /sys/fs/cgroup/blkio ffff88012aa32000 ffff88012aa94800 cgroup cgroup /sys/fs/cgroup/memory ffff88012aa321c0 ffff88012aa95000 cgroup cgroup /sys/fs/cgroup/hugetlb ffff880138ccac40 ffff88012aa1b800 configfs configfs /sys/kernel/config ffff880137669dc0 ffff8800b6f1a800 ext4 /dev/nbd0 / ffff8800b602a000 ffff8800b6d27800 rpc_pipefs rpc_pipefs /var/lib/nfs/rpc_pipefs ffff880137012c40 ffff880139947800 debugfs debugfs /sys/kernel/debug ffff88012aa32700 ffff8800b615d800 hugetlbfs hugetlbfs /dev/hugepages ffff880138ccae00 ffff88012a55a000 autofs systemd-1 /proc/sys/fs/binfmt_misc ffff8800b602a1c0 ffff88013767a000 mqueue mqueue /dev/mqueue ffff88012aa328c0 ffff8800b615f000 binfmt_misc binfmt_misc /proc/sys/fs/binfmt_misc/ ffff8800b602a540 ffff8800b6079800 ramfs none /mnt ffff8800b602a700 ffff88012aa1f800 tmpfs none /var/lib/stateless/writable ffff8800b602a8c0 ffff8800b5d83800 squashfs /dev/vda /home/green/git/lustre-release ffff8800b602ac40 ffff88012aa1f800 tmpfs none /var/cache/man ffff880138ccafc0 ffff88012aa1f800 tmpfs none /var/log ffff88012aa32a80 ffff88012aa1f800 tmpfs none /var/lib/dbus ffff8800b602ae00 ffff88012aa1f800 tmpfs none /tmp ffff880137012e00 ffff88012aa1f800 tmpfs none /var/lib/dhclient ffff88012aa32c40 ffff88012aa1f800 tmpfs none /var/tmp ffff8800b602afc0 ffff88012aa1f800 tmpfs none /var/lib/NetworkManager ffff880138ccb180 ffff88012aa1f800 tmpfs none /var/lib/systemd/random-seed ffff8800b602b180 ffff88012aa1f800 tmpfs none /var/spool ffff880138ccb340 ffff88012aa1f800 tmpfs none /var/lib/nfs ffff8800b602b340 ffff88012aa1f800 tmpfs none /var/lib/gssproxy ffff88012aa32e00 ffff88012aa1f800 tmpfs none /var/lib/logrotate ffff88012aa32fc0 ffff88012aa1f800 tmpfs none /etc ffff880137012fc0 ffff88012aa1f800 tmpfs none /var/lib/rsyslog ffff88012aa33180 ffff88012aa1f800 tmpfs none /var/lib/dhclient/var/lib/dhclient ffff880137013180 ffff8800b63ad800 nfs4 192.168.200.253:/exports/state/oleg220-client.virtnet /var/lib/stateless/state ffff88012aa33340 ffff8800b63ad800 nfs4 192.168.200.253:/exports/state/oleg220-client.virtnet /boot ffff88012aa33500 ffff8800b63ad800 nfs4 192.168.200.253:/exports/state/oleg220-client.virtnet /etc/etc/kdump.conf ffff8801370136c0 ffff8800b6d27800 rpc_pipefs sunrpc /var/lib/nfs/var/lib/nfs/rpc_pipefs ffff8800b3e3c1c0 ffff8800b607c000 nfs4 192.168.200.253://exports/testreports/50430/testresults/recovery-small-zfs-centos7_x86_64-centos7_x86_64 /tmp/tmp/testlogs ffff8800b3e3c700 ffff8800b607f800 tmpfs tmpfs /run/user/0 ffff8800b3e3cc40 ffff8800b5d83800 squashfs /dev/vda /usr/sbin/mount.lustre ffff880138ccbdc0 ffff8800aa87f800 lustre 192.168.202.120@tcp:/lustre /mnt/lustre +-------------------------------+ >----------------------| Last 40 lines of dmesg buffer |----------------------< +-------------------------------+ [ 5044.617703] Oops: 0000 [#1] SMP DEBUG_PAGEALLOC [ 5044.619130] 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 squashfs ghash_clmulni_intel aesni_intel lrw gf128mul i2c_piix4 glue_helper ablk_helper i2c_core cryptd pcspkr binfmt_misc ip_tables ext4 mbcache jbd2 ata_generic pata_acpi crct10dif_pclmul crct10dif_common crc32c_intel serio_raw ata_piix libata [ 5044.634714] CPU: 0 PID: 13467 Comm: dd Kdump: loaded Tainted: G OE ------------ 3.10.0-7.9-debug #1 [ 5044.637822] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.2-1.fc38 04/01/2014 [ 5044.639872] task: ffff88012d7d3330 ti: ffff88009b374000 task.ti: ffff88009b374000 [ 5044.641532] RIP: 0010:[] [] osc_io_submit+0x142/0x720 [osc] [ 5044.644625] RSP: 0018:ffff88009b377658 EFLAGS: 00010246 [ 5044.646374] RAX: 0000000000000000 RBX: 0000000000000282 RCX: 0000000000000008 [ 5044.647978] RDX: 0000000000020282 RSI: ffff88009d585600 RDI: ffffea0002a25fc0 [ 5044.649348] RBP: ffff88009b3776f8 R08: 000000000000ffff R09: 000000000000ffff [ 5044.650738] R10: 0000000000000000 R11: 000000000000000f R12: ffff88009c1188b8 [ 5044.652143] R13: ffff88009c3c5520 R14: ffff8800a9339610 R15: 0000000000000001 [ 5044.654052] FS: 00007f9e23792740(0000) GS:ffff88013e200000(0000) knlGS:0000000000000000 [ 5044.655606] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5044.656787] CR2: 000000000000012e CR3: 00000000a90b2000 CR4: 0000000000160ff0 [ 5044.658246] Call Trace: [ 5044.658814] [] cl_io_submit_rw+0x72/0x190 [obdclass] [ 5044.660167] [] lov_io_submit+0x1b4/0x3a0 [lov] [ 5044.661481] [] cl_io_submit_rw+0x72/0x190 [obdclass] [ 5044.662927] [] ll_direct_IO_impl+0x530/0xef0 [lustre] [ 5044.664289] [] ll_direct_IO+0x7c/0xa0 [lustre] [ 5044.665495] [] generic_file_direct_write+0xcf/0x190 [ 5044.666874] [] __generic_file_aio_write+0x237/0x400 [ 5044.668147] [] __generic_file_write_iter+0xcb/0x350 [lustre] [ 5044.669597] [] vvp_io_write_start+0x578/0xde0 [lustre] [ 5044.671179] [] cl_io_start+0x6d/0x150 [obdclass] [ 5044.672668] [] cl_io_loop+0x9f/0x230 [obdclass] [ 5044.673873] [] ll_file_io_generic+0x36b/0x1000 [lustre] [ 5044.675240] [] do_file_write_iter+0x4ae/0x9f0 [lustre] [ 5044.676559] [] ll_file_write_iter+0x2d/0x40 [lustre] [ 5044.677887] [] ll_file_aio_write+0x1d6/0x210 [lustre] [ 5044.679217] [] ll_file_write+0x111/0x1e0 [lustre] [ 5044.680471] [] vfs_write+0xd6/0x230 [ 5044.681629] [] ? vfs_read+0x112/0x1c0 [ 5044.682709] [] SyS_write+0x7f/0xf0 [ 5044.684938] [] system_call_fastpath+0x1f/0x24 [ 5044.687577] 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 8a 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 [ 5044.694859] RIP [] osc_io_submit+0x142/0x720 [osc] [ 5044.696324] RSP [ 5044.697034] 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 10.36s (real) 5.40s (CPU), Child processes: 4.91s