************************ crashinfo ************************* /exports/testreports/50430/testresults/sanityn-zfs-centos7_x86_64-centos7_x86_64/oleg104-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.pWwKH/vmlinux [TAINTED] DUMPFILE: /exports/testreports/50430/testresults/sanityn-zfs-centos7_x86_64-centos7_x86_64/oleg104-client-vmcore [PARTIAL DUMP] CPUS: 4 DATE: Tue Apr 1 13:19:32 EDT 2025 UPTIME: 00:06:07 LOAD AVERAGE: 0.88, 0.73, 0.35 TASKS: 160 NODENAME: oleg104-client.virtnet RELEASE: 3.10.0-7.9-debug VERSION: #1 SMP Sat Mar 26 23:28:42 EDT 2022 MACHINE: x86_64 (2400 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=27159 CPU=2 CMD=fsx #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+0x1b1 #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 35 last 5s 48 last 60s 79 ----- Total Numbers of Threads per State ------ TASK_INTERRUPTIBLE 153 TASK_RUNNING 4 +++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 ----- -------------- ------ ---------------------------- 923 in:imjournal 0 ms (no user stack) 9 rcu_sched 0 ms (no user stack) 27 rcuos/2 4 ms (no user stack) 1966 ptlrpcd_00_01 7 ms (no user stack) 27159 fsx 38 ms (no user stack) +------------------------+ >-------------------------| Memory Usage (kmem -i) |-------------------------< +------------------------+ PAGES TOTAL PERCENTAGE TOTAL MEM 955079 3.6 GB ---- FREE 847486 3.2 GB 88% of TOTAL MEM USED 107593 420.3 MB 11% of TOTAL MEM SHARED 12520 48.9 MB 1% of TOTAL MEM BUFFERS 5289 20.7 MB 0% of TOTAL MEM CACHED 49269 192.5 MB 5% of TOTAL MEM SLAB 11606 45.3 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 67961 265.5 MB 9% 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=fsx 49 kworker/2:1 0.14905 ---+ CPU=3 ---- | CURRENT TASK , CMD=swapper/3 +------------------------+ >-------------------------| Network Status Summary |-------------------------< +------------------------+ TCP Connection Info ------------------- ESTABLISHED 6 TIME_WAIT 83 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 364.4 eth0 n/a 0.2 RSS_TOTAL=100516 pages, %mem= 1.8 +------------+ >-------------------------------| Mounted FS |-------------------------------< +------------+ MOUNT SUPERBLK TYPE DEVNAME DIRNAME ffff880138cca000 ffff880139940800 rootfs rootfs / ffff880137668380 ffff8800b6ce6000 sysfs sysfs /sys ffff880137668540 ffff880139944000 proc proc /proc ffff880137668700 ffff880137678000 devtmpfs devtmpfs /dev ffff8801376688c0 ffff8800b7b83800 securityfs securityfs /sys/kernel/security ffff880137668a80 ffff8800b6ce6800 tmpfs tmpfs /dev/shm ffff880137668c40 ffff8801370dc000 devpts devpts /dev/pts ffff880137668e00 ffff8800b6ce7000 tmpfs tmpfs /run ffff880137668fc0 ffff8800b6ce7800 tmpfs tmpfs /sys/fs/cgroup ffff880137669180 ffff88012aab0000 cgroup cgroup /sys/fs/cgroup/systemd ffff88012aaa2000 ffff8801372f7000 pstore pstore /sys/fs/pstore ffff88012aaa21c0 ffff88012aac1000 cgroup cgroup /sys/fs/cgroup/hugetlb ffff88012aaa2380 ffff88012aac0800 cgroup cgroup /sys/fs/cgroup/cpu,cpuacct ffff88012aaa2540 ffff88012aac0000 cgroup cgroup /sys/fs/cgroup/devices ffff88012aaa2700 ffff88012aac1800 cgroup cgroup /sys/fs/cgroup/net_cls,net_prio ffff88012aaa28c0 ffff88012aac2000 cgroup cgroup /sys/fs/cgroup/blkio ffff88012aaa2a80 ffff88012aac2800 cgroup cgroup /sys/fs/cgroup/freezer ffff88012aaa2c40 ffff88012aac3000 cgroup cgroup /sys/fs/cgroup/pids ffff88012aaa2e00 ffff88012aac3800 cgroup cgroup /sys/fs/cgroup/cpuset ffff88012aaa2fc0 ffff88012aac4000 cgroup cgroup /sys/fs/cgroup/perf_event ffff88012aaa3180 ffff88012aac4800 cgroup cgroup /sys/fs/cgroup/memory ffff880138ccba40 ffff8800b7b85000 configfs configfs /sys/kernel/config ffff88012b2ba380 ffff8800b6e15000 ext4 /dev/nbd0 / ffff880137669500 ffff88012aac7000 rpc_pipefs rpc_pipefs /var/lib/nfs/rpc_pipefs ffff8800b634a540 ffff88012aab1000 autofs systemd-1 /proc/sys/fs/binfmt_misc ffff880138ccbdc0 ffff880139947800 debugfs debugfs /sys/kernel/debug ffff88012abfc000 ffff8800b5810800 hugetlbfs hugetlbfs /dev/hugepages ffff880137669c00 ffff8801370dd800 mqueue mqueue /dev/mqueue ffff8800b634a700 ffff8800b63cd800 binfmt_misc binfmt_misc /proc/sys/fs/binfmt_misc/ ffff8800b634a8c0 ffff8800b60d5000 ramfs none /mnt ffff880137669dc0 ffff88012a458000 tmpfs none /var/lib/stateless/writable ffff88012abfc1c0 ffff8800b63ce000 squashfs /dev/vda /home/green/git/lustre-release ffff880137669a40 ffff88012a458000 tmpfs none /var/cache/man ffff880137669880 ffff88012a458000 tmpfs none /var/log ffff88012abfc380 ffff88012a458000 tmpfs none /var/lib/dbus ffff88012b2ba540 ffff88012a458000 tmpfs none /tmp ffff8801376696c0 ffff88012a458000 tmpfs none /var/lib/dhclient ffff88012b2ba700 ffff88012a458000 tmpfs none /var/tmp ffff88012b2ba8c0 ffff88012a458000 tmpfs none /var/lib/NetworkManager ffff88012b2baa80 ffff88012a458000 tmpfs none /var/lib/systemd/random-seed ffff8800b634ae00 ffff88012a458000 tmpfs none /var/spool ffff8800b634afc0 ffff88012a458000 tmpfs none /var/lib/nfs ffff88012b2bac40 ffff88012a458000 tmpfs none /var/lib/gssproxy ffff8800b634b180 ffff88012a458000 tmpfs none /var/lib/logrotate ffff88012abfc540 ffff88012a458000 tmpfs none /etc ffff8800b634b340 ffff88012a458000 tmpfs none /var/lib/rsyslog ffff88012aaa3340 ffff88012a458000 tmpfs none /var/lib/dhclient/var/lib/dhclient ffff8800b634b500 ffff88012aba2800 nfs4 192.168.200.253:/exports/state/oleg104-client.virtnet /var/lib/stateless/state ffff88012b2bae00 ffff88012aba2800 nfs4 192.168.200.253:/exports/state/oleg104-client.virtnet /boot ffff8800b634b880 ffff88012aba2800 nfs4 192.168.200.253:/exports/state/oleg104-client.virtnet /etc/etc/kdump.conf ffff8800b634ba40 ffff88012aac7000 rpc_pipefs sunrpc /var/lib/nfs/var/lib/nfs/rpc_pipefs ffff8800b35b4380 ffff88012aab1800 nfs4 192.168.200.253://exports/testreports/50430/testresults/sanityn-zfs-centos7_x86_64-centos7_x86_64 /tmp/tmp/testlogs ffff8800b35b4700 ffff8800b60d4000 tmpfs tmpfs /run/user/0 ffff88012abfce00 ffff8800b63ce000 squashfs /dev/vda /usr/sbin/mount.lustre ffff88012abfd6c0 ffff88012a443000 lustre 192.168.201.104@tcp:/lustre /mnt/lustre ffff88012abfda40 ffff8800a9532800 lustre 192.168.201.104@tcp:/lustre /mnt/lustre2 +-------------------------------+ >----------------------| Last 40 lines of dmesg buffer |----------------------< +-------------------------------+ [ 368.391047] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.3-2.fc40 04/01/2014 [ 368.398098] task: ffff880137609110 ti: ffff8800a7e7c000 task.ti: ffff8800a7e7c000 [ 368.404717] RIP: 0010:[] [] osc_io_submit+0x142/0x720 [osc] [ 368.409346] RSP: 0018:ffff8800a7e7f658 EFLAGS: 00010246 [ 368.412726] RAX: 0000000000000000 RBX: 0000000000000282 RCX: 0000000000000008 [ 368.417907] RDX: 0000000000020282 RSI: ffff8800a8d99080 RDI: ffffea00029b8c00 [ 368.424548] RBP: ffff8800a7e7f6f8 R08: ffff880136965078 R09: ffff8800a8733358 [ 368.430332] R10: 0000000000000000 R11: 0000000000000000 R12: ffff880136965078 [ 368.434793] R13: ffff8800ab3d96c0 R14: ffff8800a81e2460 R15: 0000000000000001 [ 368.438332] FS: 00007f52e7e80740(0000) GS:ffff88013e300000(0000) knlGS:0000000000000000 [ 368.444624] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 368.449043] CR2: 000000000000012e CR3: 00000000a94a0000 CR4: 0000000000160fe0 [ 368.453937] Call Trace: [ 368.455688] [] cl_io_submit_rw+0x72/0x190 [obdclass] [ 368.458954] [] lov_io_submit+0x1b4/0x3a0 [lov] [ 368.461828] [] cl_io_submit_rw+0x72/0x190 [obdclass] [ 368.467143] [] ll_direct_IO_impl+0x530/0xef0 [lustre] [ 368.471248] [] ll_direct_IO+0x7c/0xa0 [lustre] [ 368.475717] [] generic_file_direct_write+0xcf/0x190 [ 368.478919] [] __generic_file_aio_write+0x237/0x400 [ 368.481606] [] __generic_file_write_iter+0xcb/0x350 [lustre] [ 368.484545] [] ? lov_lsm_addref+0x86/0x210 [lov] [ 368.487487] [] vvp_io_write_start+0x578/0xde0 [lustre] [ 368.491709] [] ? lov_lock_enqueue+0x99/0x170 [lov] [ 368.495718] [] ? cl_lock_request+0x67/0x210 [obdclass] [ 368.499113] [] cl_io_start+0x6d/0x150 [obdclass] [ 368.502687] [] cl_io_loop+0x9f/0x230 [obdclass] [ 368.505266] [] ll_file_io_generic+0x36b/0x1000 [lustre] [ 368.508373] [] do_file_write_iter+0x4ae/0x9f0 [lustre] [ 368.511229] [] ? do_raw_spin_unlock+0x49/0x90 [ 368.514275] [] ll_file_write_iter+0x2d/0x40 [lustre] [ 368.518740] [] ll_file_aio_write+0x1b1/0x210 [lustre] [ 368.522736] [] ll_file_write+0x111/0x1e0 [lustre] [ 368.525851] [] vfs_write+0xd6/0x230 [ 368.528338] [] SyS_write+0x7f/0xf0 [ 368.530577] [] system_call_fastpath+0x1f/0x24 [ 368.533073] Code: da 80 ca 80 41 0f b6 46 12 49 8b 7e f0 83 e0 c0 3c 80 0f 44 da e8 6f e8 e5 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 [ 368.543943] RIP [] osc_io_submit+0x142/0x720 [osc] [ 368.546801] RSP [ 368.548437] 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) 5.78s (CPU), Child processes: 5.35s