************************ crashinfo ************************* /exports/testreports/50430/testresults/sanity-flr-ldiskfs-DNE-centos7_x86_64-centos7_x86_64/oleg202-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.cTtxJ/vmlinux [TAINTED] DUMPFILE: /exports/testreports/50430/testresults/sanity-flr-ldiskfs-DNE-centos7_x86_64-centos7_x86_64/oleg202-client-vmcore [PARTIAL DUMP] CPUS: 4 DATE: Tue Apr 1 13:15:53 EDT 2025 UPTIME: 00:02:27 LOAD AVERAGE: 0.74, 0.27, 0.10 TASKS: 158 NODENAME: oleg202-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=12946 CPU=0 CMD=lfs #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_aio_read+0x24e #17 vvp_io_read_start+0x779 #18 cl_io_start+0x6d #19 cl_io_loop+0x9f #20 ll_file_io_generic+0x36b #21 do_file_read_iter+0xc46 #22 ll_file_read_iter+0x2d #23 ll_file_aio_read+0x1b1 #24 ll_file_read+0x111 #25 vfs_read+0xb9 #26 sys_pread64+0x92 #27 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 49 last 5s 64 last 60s 85 ----- Total Numbers of Threads per State ------ TASK_INTERRUPTIBLE 153 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 ----- -------------- ------ ---------------------------- 11 rcuos/0 0 ms (no user stack) 9 rcu_sched 0 ms (no user stack) 12946 lfs 0 ms (no user stack) 2000 socknal_sd00_01 0 ms (no user stack) 2010 ptlrpcd_01_01 0 ms (no user stack) +------------------------+ >-------------------------| Memory Usage (kmem -i) |-------------------------< +------------------------+ PAGES TOTAL PERCENTAGE TOTAL MEM 955079 3.6 GB ---- FREE 860094 3.3 GB 90% of TOTAL MEM USED 94985 371 MB 9% of TOTAL MEM SHARED 9863 38.5 MB 1% of TOTAL MEM BUFFERS 5141 20.1 MB 0% of TOTAL MEM CACHED 46150 180.3 MB 4% of TOTAL MEM SLAB 10861 42.4 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 78155 305.3 MB 10% of TOTAL LIMIT +-------------------------------+ >----------------------| Scheduler Runqueues (per CPU) |----------------------< +-------------------------------+ ---+ CPU=0 ---- | CURRENT TASK , CMD=lfs ---+ 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 135 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 144.5 eth0 n/a 0.1 RSS_TOTAL=72080 pages, %mem= 1.2 +------------+ >-------------------------------| Mounted FS |-------------------------------< +------------+ MOUNT SUPERBLK TYPE DEVNAME DIRNAME ffff880138cca000 ffff880139940800 rootfs rootfs / ffff88012aac2000 ffff8800b6ce8800 sysfs sysfs /sys ffff88012aac21c0 ffff880139944000 proc proc /proc ffff88012aac2380 ffff880137678000 devtmpfs devtmpfs /dev ffff88012aac2540 ffff88012b31a000 securityfs securityfs /sys/kernel/security ffff88012aac2700 ffff8800b6ce9000 tmpfs tmpfs /dev/shm ffff88012aac28c0 ffff880137169800 devpts devpts /dev/pts ffff88012aac2a80 ffff8800b6ce9800 tmpfs tmpfs /run ffff88012aac2c40 ffff8800b6cea000 tmpfs tmpfs /sys/fs/cgroup ffff88012aac2e00 ffff8800b6cea800 cgroup cgroup /sys/fs/cgroup/systemd ffff88012aac2fc0 ffff8800b6ceb000 pstore pstore /sys/fs/pstore ffff88012aac3180 ffff8800b6ced000 cgroup cgroup /sys/fs/cgroup/net_cls,net_prio ffff88012aac3340 ffff8800b6cec800 cgroup cgroup /sys/fs/cgroup/cpu,cpuacct ffff88012aac3500 ffff8800b6cec000 cgroup cgroup /sys/fs/cgroup/hugetlb ffff88012aac36c0 ffff8800b6ceb800 cgroup cgroup /sys/fs/cgroup/cpuset ffff88012aac3880 ffff8800b6ced800 cgroup cgroup /sys/fs/cgroup/devices ffff88012aac3a40 ffff8800b6cee000 cgroup cgroup /sys/fs/cgroup/perf_event ffff88012aac3c00 ffff8800b6cee800 cgroup cgroup /sys/fs/cgroup/freezer ffff88012aac3dc0 ffff8800b6cef000 cgroup cgroup /sys/fs/cgroup/pids ffff88012aa8a000 ffff8800b6cef800 cgroup cgroup /sys/fs/cgroup/memory ffff88012aa8a1c0 ffff88012aac8000 cgroup cgroup /sys/fs/cgroup/blkio ffff880138ccba40 ffff8800b6050800 configfs configfs /sys/kernel/config ffff880138ccbc00 ffff8800b6053000 ext4 /dev/nbd0 / ffff88012aa8b6c0 ffff88012aacd000 rpc_pipefs rpc_pipefs /var/lib/nfs/rpc_pipefs ffff880138ccb880 ffff8800b6f52800 autofs systemd-1 /proc/sys/fs/binfmt_misc ffff880137668380 ffff88013716b000 mqueue mqueue /dev/mqueue ffff88012aa1c540 ffff880139947800 debugfs debugfs /sys/kernel/debug ffff880137668540 ffff8800b7b3f000 hugetlbfs hugetlbfs /dev/hugepages ffff88012aa8bc00 ffff8800b6057000 binfmt_misc binfmt_misc /proc/sys/fs/binfmt_misc/ ffff8801376688c0 ffff8800b7b3f800 ramfs none /mnt ffff880137668a80 ffff8800b5cae000 tmpfs none /var/lib/stateless/writable ffff880137668c40 ffff8800b5caf800 squashfs /dev/vda /home/green/git/lustre-release ffff880138ccbdc0 ffff8800b5cae000 tmpfs none /var/cache/man ffff8800b4334000 ffff8800b5cae000 tmpfs none /var/log ffff880137668e00 ffff8800b5cae000 tmpfs none /var/lib/dbus ffff88012aa8ba40 ffff8800b5cae000 tmpfs none /tmp ffff88012aa1c700 ffff8800b5cae000 tmpfs none /var/lib/dhclient ffff880137668fc0 ffff8800b5cae000 tmpfs none /var/tmp ffff8800b43341c0 ffff8800b5cae000 tmpfs none /var/lib/NetworkManager ffff88012aa1c8c0 ffff8800b5cae000 tmpfs none /var/lib/systemd/random-seed ffff88012aa1ca80 ffff8800b5cae000 tmpfs none /var/spool ffff880137669180 ffff8800b5cae000 tmpfs none /var/lib/nfs ffff880137669340 ffff8800b5cae000 tmpfs none /var/lib/gssproxy ffff880137669500 ffff8800b5cae000 tmpfs none /var/lib/logrotate ffff88012aa1cc40 ffff8800b5cae000 tmpfs none /etc ffff88012aa8b880 ffff8800b5cae000 tmpfs none /var/lib/rsyslog ffff8800b4334380 ffff8800b5cae000 tmpfs none /var/lib/dhclient/var/lib/dhclient ffff88012aa1ce00 ffff88012a594800 nfs4 192.168.200.253:/exports/state/oleg202-client.virtnet /var/lib/stateless/state ffff88012aa1cfc0 ffff88012a594800 nfs4 192.168.200.253:/exports/state/oleg202-client.virtnet /boot ffff88012aa1d500 ffff88012a594800 nfs4 192.168.200.253:/exports/state/oleg202-client.virtnet /etc/etc/kdump.conf ffff8801376696c0 ffff88012aacd000 rpc_pipefs sunrpc /var/lib/nfs/var/lib/nfs/rpc_pipefs ffff8800b3918c40 ffff8800b6eb2000 nfs4 192.168.200.253://exports/testreports/50430/testresults/sanity-flr-ldiskfs-DNE-centos7_x86_64-centos7_x86_64 /tmp/tmp/testlogs ffff8800b3905500 ffff8800b3a19000 tmpfs tmpfs /run/user/0 ffff88012d0ee1c0 ffff8800b5caf800 squashfs /dev/vda /usr/sbin/mount.lustre ffff8800b3905c00 ffff88012aacc800 lustre 192.168.202.102@tcp:/lustre /mnt/lustre +-------------------------------+ >----------------------| Last 40 lines of dmesg buffer |----------------------< +-------------------------------+ [ 147.601776] Oops: 0000 [#1] SMP DEBUG_PAGEALLOC [ 147.603472] 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 [ 147.621964] CPU: 0 PID: 12946 Comm: lfs Kdump: loaded Tainted: G OE ------------ 3.10.0-7.9-debug #1 [ 147.625024] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.2-1.fc38 04/01/2014 [ 147.627731] task: ffff88012b085550 ti: ffff8800a9244000 task.ti: ffff8800a9244000 [ 147.630009] RIP: 0010:[] [] osc_io_submit+0x142/0x720 [osc] [ 147.632715] RSP: 0018:ffff8800a92476c8 EFLAGS: 00010246 [ 147.634293] RAX: 0000000000000000 RBX: 0000000000000281 RCX: ffff8800aa121710 [ 147.636137] RDX: 0000000000020281 RSI: ffff8800ab7b2b00 RDI: ffffea0002b10840 [ 147.638601] RBP: ffff8800a9247768 R08: ffff8800aa1447f8 R09: 0000000000000002 [ 147.640867] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8800aa1447f8 [ 147.643211] R13: ffff8800aa34ba00 R14: ffff8800aa2701d8 R15: 0000000000000000 [ 147.645339] FS: 00007fb37a274740(0000) GS:ffff88013e200000(0000) knlGS:0000000000000000 [ 147.647490] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 147.649029] CR2: 000000000000012e CR3: 00000000a90ee000 CR4: 0000000000160ff0 [ 147.650999] Call Trace: [ 147.651722] [] cl_io_submit_rw+0x72/0x190 [obdclass] [ 147.653539] [] lov_io_submit+0x1b4/0x3a0 [lov] [ 147.655352] [] cl_io_submit_rw+0x72/0x190 [obdclass] [ 147.657154] [] ll_direct_IO_impl+0x530/0xef0 [lustre] [ 147.658865] [] ll_direct_IO+0x7c/0xa0 [lustre] [ 147.660864] [] generic_file_aio_read+0x24e/0x290 [ 147.663185] [] vvp_io_read_start+0x779/0xa60 [lustre] [ 147.665507] [] ? cl_lock_request+0x67/0x210 [obdclass] [ 147.666902] [] cl_io_start+0x6d/0x150 [obdclass] [ 147.669012] [] cl_io_loop+0x9f/0x230 [obdclass] [ 147.671002] [] ll_file_io_generic+0x36b/0x1000 [lustre] [ 147.673026] [] do_file_read_iter+0xc46/0x1080 [lustre] [ 147.675060] [] ? _raw_read_unlock+0xe/0x20 [ 147.676854] [] ? ll_stats_ops_tally+0x98/0x100 [lustre] [ 147.679328] [] ll_file_read_iter+0x2d/0x40 [lustre] [ 147.681190] [] ll_file_aio_read+0x1b1/0x210 [lustre] [ 147.682850] [] ll_file_read+0x111/0x1e0 [lustre] [ 147.685051] [] vfs_read+0xb9/0x1c0 [ 147.686728] [] SyS_pread64+0x92/0xc0 [ 147.688568] [] system_call_fastpath+0x1f/0x24 [ 147.690614] 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 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 [ 147.698470] RIP [] osc_io_submit+0x142/0x720 [osc] [ 147.700520] RSP [ 147.701790] 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 11.12s (real) 5.72s (CPU), Child processes: 5.34s