************************ crashinfo ************************* /exports/testreports/45877/testresults/sanity-lsnapshot-special4-zfs-DNE-centos7_x86_64-centos7_x86_64-retry3/oleg203-server-vmcore (3.10.0-7.9-debug) +==========================+ | *** Crashinfo v1.3.7 *** | +==========================+ +++WARNING+++ PARTIAL DUMP with size(vmcore) < 25% size(RAM) KERNEL: /tmp/crash-anaysis.p6byq/vmlinux [TAINTED] DUMPFILE: /exports/testreports/45877/testresults/sanity-lsnapshot-special4-zfs-DNE-centos7_x86_64-centos7_x86_64-retry3/oleg203-server-vmcore [PARTIAL DUMP] CPUS: 4 DATE: Fri Sep 20 05:23:14 EDT 2024 UPTIME: 00:02:23 LOAD AVERAGE: 0.71, 0.29, 0.11 TASKS: 395 NODENAME: oleg203-server.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 000000000000010c" +--------------------------+ >------------------------| Per-cpu Stacks ('bt -a') |------------------------< +--------------------------+ -- CPU#0 -- PID=8099 CPU=0 CMD=ldlm_cb00_001 #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_nosemaphore+0x14 #7 __do_page_fault+0x348 #8 trace_do_page_fault+0x56 #9 do_async_page_fault+0x22 #10 async_page_fault+0x28 #-1 mgc_barrier_glimpse_ast+0x2c, 477 bytes of data #11 ldlm_callback_handler+0xbe1 #12 ldlm_callback_handler+0x204a #13 ptlrpc_server_handle_request+0x281 #14 ptlrpc_main+0xc7e #15 kthread+0xe4 #16 ret_from_fork_nospec_begin+0x7 -- 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 88 last 5s 169 last 60s 260 ----- Total Numbers of Threads per State ------ TASK_INTERRUPTIBLE 388 TASK_RUNNING 3 TASK_UNINTERRUPTIBLE 1 +++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) 8099 ldlm_cb00_001 0 ms (no user stack) 8113 ll_cfg_requeue 0 ms (no user stack) 8111 ll_mgs_0002 0 ms (no user stack) 20492 lctl 6 ms (no user stack) +------------------------+ >-------------------------| Memory Usage (kmem -i) |-------------------------< +------------------------+ PAGES TOTAL PERCENTAGE TOTAL MEM 955067 3.6 GB ---- FREE 706850 2.7 GB 74% of TOTAL MEM USED 248217 969.6 MB 25% of TOTAL MEM SHARED 10490 41 MB 1% of TOTAL MEM BUFFERS 5124 20 MB 0% of TOTAL MEM CACHED 70534 275.5 MB 7% of TOTAL MEM SLAB 20314 79.4 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 739676 2.8 GB ---- COMMITTED 60607 236.7 MB 8% of TOTAL LIMIT +-------------------------------+ >----------------------| Scheduler Runqueues (per CPU) |----------------------< +-------------------------------+ ---+ CPU=0 ---- | CURRENT TASK , CMD=ldlm_cb00_001 20492 lctl 0.36045 ---+ 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 10 TIME_WAIT 33 LISTEN 3 NAGLE disabled (TCP_NODELAY): 8 user_data set (NFS etc.): 8 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 140.5 eth0 n/a 0.4 RSS_TOTAL=67412 pages, %mem= 1.0 +------------+ >-------------------------------| Mounted FS |-------------------------------< +------------+ MOUNT SUPERBLK TYPE DEVNAME DIRNAME ffff880138cca000 ffff880139940800 rootfs rootfs / ffff88012a34a000 ffff88012a308000 sysfs sysfs /sys ffff88012a34a1c0 ffff880139944000 proc proc /proc ffff88012a34a380 ffff880137678000 devtmpfs devtmpfs /dev ffff88012a34a540 ffff8800b51fa000 securityfs securityfs /sys/kernel/security ffff88012a34a700 ffff88012a308800 tmpfs tmpfs /dev/shm ffff88012a34a8c0 ffff880137306000 devpts devpts /dev/pts ffff88012a34aa80 ffff88012a309000 tmpfs tmpfs /run ffff88012a34ac40 ffff88012a309800 tmpfs tmpfs /sys/fs/cgroup ffff88012a34ae00 ffff88012a30a000 cgroup cgroup /sys/fs/cgroup/systemd ffff88012a34afc0 ffff88012a30a800 pstore pstore /sys/fs/pstore ffff88012a34b180 ffff88012a30c800 cgroup cgroup /sys/fs/cgroup/pids ffff88012a34b340 ffff88012a30c000 cgroup cgroup /sys/fs/cgroup/hugetlb ffff88012a34b500 ffff88012a30b800 cgroup cgroup /sys/fs/cgroup/net_cls,net_prio ffff88012a34b6c0 ffff88012a30b000 cgroup cgroup /sys/fs/cgroup/memory ffff88012a34b880 ffff88012a30d000 cgroup cgroup /sys/fs/cgroup/devices ffff88012a34ba40 ffff88012a30d800 cgroup cgroup /sys/fs/cgroup/cpu,cpuacct ffff88012a34bc00 ffff88012a30e000 cgroup cgroup /sys/fs/cgroup/cpuset ffff88012a34bdc0 ffff88012a30e800 cgroup cgroup /sys/fs/cgroup/perf_event ffff88012a28e000 ffff88012a30f000 cgroup cgroup /sys/fs/cgroup/freezer ffff88012a28e1c0 ffff88012a30f800 cgroup cgroup /sys/fs/cgroup/blkio ffff8801376688c0 ffff8800b51fb000 configfs configfs /sys/kernel/config ffff880137668e00 ffff8800b51ff000 ext4 /dev/nbd0 / ffff88012a28f340 ffff8800b51fe000 rpc_pipefs rpc_pipefs /var/lib/nfs/rpc_pipefs ffff88012b274700 ffff880129f3c000 autofs systemd-1 /proc/sys/fs/binfmt_misc ffff880137669340 ffff880139947800 debugfs debugfs /sys/kernel/debug ffff880137669500 ffff8800b4179800 hugetlbfs hugetlbfs /dev/hugepages ffff8801376696c0 ffff880137148800 mqueue mqueue /dev/mqueue ffff88012b2748c0 ffff880129f3e800 binfmt_misc binfmt_misc /proc/sys/fs/binfmt_misc/ ffff88012a28f500 ffff880129f3b800 ramfs none /mnt ffff880138ccb340 ffff88012e137800 tmpfs none /var/lib/stateless/writable ffff88012b274a80 ffff8800b22cf000 squashfs /dev/vda /home/green/git/lustre-release ffff880137669a40 ffff88012e137800 tmpfs none /var/cache/man ffff88012a28f880 ffff88012e137800 tmpfs none /var/log ffff880137669c00 ffff88012e137800 tmpfs none /var/lib/dbus ffff88012a28fa40 ffff88012e137800 tmpfs none /tmp ffff88012b274c40 ffff88012e137800 tmpfs none /var/lib/dhclient ffff880137669dc0 ffff88012e137800 tmpfs none /var/tmp ffff88012a28fc00 ffff88012e137800 tmpfs none /var/lib/NetworkManager ffff88012a28fdc0 ffff88012e137800 tmpfs none /var/lib/systemd/random-seed ffff880138ccb500 ffff88012e137800 tmpfs none /var/spool ffff880137669180 ffff88012e137800 tmpfs none /var/lib/nfs ffff8800b2072000 ffff88012e137800 tmpfs none /var/lib/gssproxy ffff880137668fc0 ffff88012e137800 tmpfs none /var/lib/logrotate ffff880137668700 ffff88012e137800 tmpfs none /etc ffff880129db0000 ffff88012e137800 tmpfs none /var/lib/rsyslog ffff8800b20721c0 ffff88012e137800 tmpfs none /var/lib/dhclient/var/lib/dhclient ffff8800b2072380 ffff880129cc1800 nfs4 192.168.200.253:/exports/state/oleg203-server.virtnet /var/lib/stateless/state ffff880129db01c0 ffff880129cc1800 nfs4 192.168.200.253:/exports/state/oleg203-server.virtnet /boot ffff8800b2072a80 ffff880129cc1800 nfs4 192.168.200.253:/exports/state/oleg203-server.virtnet /etc/etc/kdump.conf ffff880129db0380 ffff8800b51fe000 rpc_pipefs sunrpc /var/lib/nfs/var/lib/nfs/rpc_pipefs ffff8800b180ee00 ffff8800b22cf000 squashfs /dev/vda /usr/sbin/mount.lustre ffff8800b180f6c0 ffff880129fd3000 lustre lustre-mdt1/mdt1 /mnt/lustre-mds1 ffff8800b19541c0 ffff8800a561f000 lustre lustre-mdt2/mdt2 /mnt/lustre-mds2 ffff8800b180fa40 ffff88009a284000 lustre lustre-ost1/ost1 /mnt/lustre-ost1 ffff88012a28efc0 ffff88009b401800 lustre lustre-ost2/ost2 /mnt/lustre-ost2 ffff88012a28f180 ffff88012cfce800 lustre lustre-mdt1/mdt1@lss_1c_0 /mnt/lss_1c_0_MDT0000 ffff8800b1955500 ffff880092f2a800 lustre lustre-ost2/ost2@lss_1c_0 /mnt/lss_1c_0_OST0001 ffff88012a28f6c0 ffff88008ee8b800 lustre lustre-ost1/ost1@lss_1c_0 /mnt/lss_1c_0_OST0000 ffff88012b275340 ffff880129724000 lustre lustre-mdt2/mdt2@lss_1c_0 /mnt/lss_1c_0_MDT0001 ffff8800b439ce00 ffff8801353f8000 tmpfs tmpfs /run/user/0 +-------------------------------+ >----------------------| Last 40 lines of dmesg buffer |----------------------< +-------------------------------+ [ 141.784830] LustreError: Skipped 2 previous similar messages [ 141.812737] Lustre: 31c2194d-MDT0000: Imperative Recovery not enabled, recovery window 60-180 [ 142.378730] Lustre: 31c2194d-OST0000: set dev_rdonly on this device [ 142.385032] Lustre: Skipped 1 previous similar message [ 142.401825] Lustre: 31c2194d-MDT0000-lwp-OST0001: connection denied by 31c2194d-MDT0000_UUID: rc = -13 [ 142.407252] LustreError: 31c2194d-MDT0001: not available for connect from 0@lo (no target). If you are running an HA pair check that the target is mounted on the other server. [ 143.646439] BUG: unable to handle kernel NULL pointer dereference at 000000000000010c [ 143.649230] IP: [] mgc_barrier_glimpse_ast+0x2c/0x150 [mgc] [ 143.651676] PGD 8ef1e067 PUD 92050067 PMD 0 [ 143.653369] Oops: 0000 [#1] SMP DEBUG_PAGEALLOC [ 143.654732] Modules linked in: lustre(OE) osp(OE) ofd(OE) lod(OE) ost(OE) mdt(OE) mdd(OE) mgs(OE) osd_zfs(OE) zfs(PO) zunicode(PO) zzstd(O) zlua(O) zcommon(PO) znvpair(PO) zavl(PO) icp(PO) spl(O) 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 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 [ 143.676325] CPU: 0 PID: 8099 Comm: ldlm_cb00_001 Kdump: loaded Tainted: P OE ------------ 3.10.0-7.9-debug #1 [ 143.679674] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.2-1.fc38 04/01/2014 [ 143.682622] task: ffff88012e1ee660 ti: ffff8800a5934000 task.ti: ffff8800a5934000 [ 143.685036] RIP: 0010:[] [] mgc_barrier_glimpse_ast+0x2c/0x150 [mgc] [ 143.688208] RSP: 0018:ffff8800a5937c50 EFLAGS: 00010246 [ 143.689965] RAX: 00000000ffffffda RBX: 0000000000000000 RCX: 0000000000000000 [ 143.692327] RDX: ffffffffa0b11df0 RSI: ffff88012cfb1c00 RDI: ffff8800b5378240 [ 143.694153] RBP: ffff8800a5937c60 R08: 000000000000ffff R09: 000000000000ffff [ 143.696049] R10: 0000000000000000 R11: ffff8800a59378f6 R12: ffff88012cfb1c00 [ 143.697934] R13: ffff88008cb52408 R14: ffff8800a508dc00 R15: ffff8800b5378240 [ 143.699833] FS: 0000000000000000(0000) GS:ffff88013e200000(0000) knlGS:0000000000000000 [ 143.702427] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 143.704228] CR2: 000000000000010c CR3: 000000008ef7e000 CR4: 0000000000160ff0 [ 143.706362] Call Trace: [ 143.707134] [] ldlm_callback_handler.part.20+0xbe1/0x2010 [ptlrpc] [ 143.709830] [] ldlm_callback_handler+0x3a/0xe0 [ptlrpc] [ 143.712090] [] ptlrpc_server_handle_request+0x281/0xce0 [ptlrpc] [ 143.714643] [] ptlrpc_main+0xc7e/0x1690 [ptlrpc] [ 143.716786] [] ? put_prev_entity+0x31/0x400 [ 143.718993] [] ? do_raw_spin_unlock+0x49/0x90 [ 143.721251] [] ? ptlrpc_wait_event+0x630/0x630 [ptlrpc] [ 143.723529] [] kthread+0xe4/0xf0 [ 143.724971] [] ? kthread_create_on_node+0x140/0x140 [ 143.726948] [] ret_from_fork_nospec_begin+0x7/0x21 [ 143.728966] [] ? kthread_create_on_node+0x140/0x140 [ 143.730854] Code: 1f 44 00 00 55 f6 05 4b e7 7a ff 01 48 89 e5 41 54 49 89 f4 53 48 8b 9f 70 01 00 00 74 0d f6 05 39 e7 7a ff 10 0f 85 8c 00 00 00 83 0c 01 00 00 01 74 2b f6 05 1c e7 7a ff 01 bb ed ff ff ff [ 143.739049] RIP [] mgc_barrier_glimpse_ast+0x2c/0x150 [mgc] [ 143.740870] RSP [ 143.741691] CR2: 000000000000010c ****************************************************************************** ************************ 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 12.51s (real) 7.15s (CPU), Child processes: 5.23s