************************ crashinfo ************************* /exports/testreports/51304/testresults/sanityn-ldiskfs-DNE-centos7_x86_64-centos7_x86_64/oleg452-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.Sg8by/vmlinux [TAINTED] DUMPFILE: /exports/testreports/51304/testresults/sanityn-ldiskfs-DNE-centos7_x86_64-centos7_x86_64/oleg452-client-vmcore [PARTIAL DUMP] CPUS: 4 DATE: Thu May 1 23:23:45 EDT 2025 UPTIME: 00:08:49 LOAD AVERAGE: 0.72, 0.71, 0.37 TASKS: 159 NODENAME: oleg452-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: "kernel BUG at mm/huge_memory.c:2372!" +--------------------------+ >------------------------| 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=29479 CPU=2 CMD=fsx #0 machine_kexec+0x19e #1 __crash_kexec+0x72 #2 crash_kexec+0x30 #3 oops_end+0xa8 #4 die+0x4b #5 do_trap+0x60 #6 do_invalid_op+0xb4 #7 invalid_op+0x1e #-1 __split_huge_page+0x7d2, 477 bytes of data #8 __split_huge_page+0x7d2 #9 try_to_wake_up+0x170 #10 split_huge_page_to_list+0x76 #11 __split_huge_page_pmd+0x298 #12 split_huge_page_pmd_mm+0x6b #13 split_huge_page_address+0xe6 #14 vma_adjust_trans_huge+0x9c #15 __vma_adjust+0xb5 #16 __split_vma+0x1ed #17 do_munmap+0x12a #18 vm_munmap+0x68 #19 sys_munmap+0x22 #20 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 36 last 5s 45 last 60s 57 ----- Total Numbers of Threads per State ------ TASK_INTERRUPTIBLE 154 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 ----- -------------- ------ ---------------------------- 9 rcu_sched 0 ms (no user stack) 29479 fsx 1 ms (no user stack) 1126 sshd 12 ms (no user stack) 2004 ptlrpcd_01_00 17 ms (no user stack) 5989 ldlm_bl_03 23 ms (no user stack) +------------------------+ >-------------------------| Memory Usage (kmem -i) |-------------------------< +------------------------+ PAGES TOTAL PERCENTAGE TOTAL MEM 955079 3.6 GB ---- FREE 849810 3.2 GB 88% of TOTAL MEM USED 105269 411.2 MB 11% of TOTAL MEM SHARED 10337 40.4 MB 1% of TOTAL MEM BUFFERS 5337 20.8 MB 0% of TOTAL MEM CACHED 47158 184.2 MB 4% of TOTAL MEM SLAB 11554 45.1 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 68149 266.2 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 ---+ CPU=3 ---- | CURRENT TASK , CMD=swapper/3 +------------------------+ >-------------------------| Network Status Summary |-------------------------< +------------------------+ TCP Connection Info ------------------- ESTABLISHED 6 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 -------------------- CLOSE 1 Interfaces Info --------------- How long ago (in seconds) interfaces transmitted/received? Name RX TX ---- ---------- --------- lo n/a 527.5 eth0 n/a 0.1 RSS_TOTAL=96812 pages, %mem= 1.7 +------------+ >-------------------------------| Mounted FS |-------------------------------< +------------+ MOUNT SUPERBLK TYPE DEVNAME DIRNAME ffff880138cca000 ffff880139940800 rootfs rootfs / ffff880137668380 ffff880137679000 sysfs sysfs /sys ffff880137668540 ffff880139944000 proc proc /proc ffff880137668700 ffff880137678000 devtmpfs devtmpfs /dev ffff8801376688c0 ffff8800b7871000 securityfs securityfs /sys/kernel/security ffff880137668a80 ffff880137679800 tmpfs tmpfs /dev/shm ffff880137668c40 ffff8801372e6000 devpts devpts /dev/pts ffff880137668e00 ffff88013767a000 tmpfs tmpfs /run ffff880137668fc0 ffff88013767a800 tmpfs tmpfs /sys/fs/cgroup ffff880137669180 ffff88013767b000 cgroup cgroup /sys/fs/cgroup/systemd ffff880137669340 ffff88013767b800 pstore pstore /sys/fs/pstore ffff880138ccafc0 ffff8800b6c83800 cgroup cgroup /sys/fs/cgroup/memory ffff880138ccb180 ffff8800b6c84000 cgroup cgroup /sys/fs/cgroup/cpu,cpuacct ffff880138ccb340 ffff8800b6c84800 cgroup cgroup /sys/fs/cgroup/net_cls,net_prio ffff880138ccb500 ffff8800b6c85000 cgroup cgroup /sys/fs/cgroup/devices ffff880138ccb6c0 ffff8800b6c85800 cgroup cgroup /sys/fs/cgroup/cpuset ffff880138ccb880 ffff8800b6c86000 cgroup cgroup /sys/fs/cgroup/hugetlb ffff880138ccba40 ffff8800b6c86800 cgroup cgroup /sys/fs/cgroup/perf_event ffff880138ccbc00 ffff8800b6c87000 cgroup cgroup /sys/fs/cgroup/freezer ffff880138ccbdc0 ffff8800b6c87800 cgroup cgroup /sys/fs/cgroup/pids ffff88012ab0e000 ffff88012aac0000 cgroup cgroup /sys/fs/cgroup/blkio ffff8801376696c0 ffff88013767f800 configfs configfs /sys/kernel/config ffff88012b26afc0 ffff8800b7876000 ext4 /dev/nbd0 / ffff8800b585c000 ffff88013767d800 rpc_pipefs rpc_pipefs /var/lib/nfs/rpc_pipefs ffff88012b26b180 ffff8800b6cf7000 autofs systemd-1 /proc/sys/fs/binfmt_misc ffff880137669880 ffff880139947800 debugfs debugfs /sys/kernel/debug ffff88012b26b340 ffff8800b6cf2000 hugetlbfs hugetlbfs /dev/hugepages ffff8800b585c700 ffff8801372e7800 mqueue mqueue /dev/mqueue ffff88012b26b500 ffff88012e184000 binfmt_misc binfmt_misc /proc/sys/fs/binfmt_misc/ ffff88012b26b6c0 ffff88012a59d800 ramfs none /mnt ffff8800b585c8c0 ffff8800b63c9000 tmpfs none /var/lib/stateless/writable ffff880137669c00 ffff88012a501800 squashfs /dev/vda /home/green/git/lustre-release ffff880137669dc0 ffff8800b63c9000 tmpfs none /var/cache/man ffff88012ab0f500 ffff8800b63c9000 tmpfs none /var/log ffff880137669500 ffff8800b63c9000 tmpfs none /var/lib/dbus ffff88012ab0f6c0 ffff8800b63c9000 tmpfs none /tmp ffff8800b585ca80 ffff8800b63c9000 tmpfs none /var/lib/dhclient ffff8800b585cc40 ffff8800b63c9000 tmpfs none /var/tmp ffff8800b3ea0000 ffff8800b63c9000 tmpfs none /var/lib/NetworkManager ffff8800b3ea01c0 ffff8800b63c9000 tmpfs none /var/lib/systemd/random-seed ffff8800b3ea0380 ffff8800b63c9000 tmpfs none /var/spool ffff8800b3ea0540 ffff8800b63c9000 tmpfs none /var/lib/nfs ffff8800b3ea0700 ffff8800b63c9000 tmpfs none /var/lib/gssproxy ffff8800b3ea08c0 ffff8800b63c9000 tmpfs none /var/lib/logrotate ffff8800b3ea0a80 ffff8800b63c9000 tmpfs none /etc ffff8800b3ea0c40 ffff8800b63c9000 tmpfs none /var/lib/rsyslog ffff8800b3ea0e00 ffff8800b63c9000 tmpfs none /var/lib/dhclient/var/lib/dhclient ffff8800b585ce00 ffff88012aac1000 nfs4 192.168.200.253:/exports/state/oleg452-client.virtnet /var/lib/stateless/state ffff8800b585d340 ffff88012aac1000 nfs4 192.168.200.253:/exports/state/oleg452-client.virtnet /boot ffff8800b3ea0fc0 ffff88012aac1000 nfs4 192.168.200.253:/exports/state/oleg452-client.virtnet /etc/etc/kdump.conf ffff8800b3ea1180 ffff88013767d800 rpc_pipefs sunrpc /var/lib/nfs/var/lib/nfs/rpc_pipefs ffff8800b585d500 ffff88012e182000 nfs4 192.168.200.253://exports/testreports/51304/testresults/sanityn-ldiskfs-DNE-centos7_x86_64-centos7_x86_64 /tmp/tmp/testlogs ffff8800b38e8fc0 ffff8800b38b0800 tmpfs tmpfs /run/user/0 ffff880136be41c0 ffff88012a501800 squashfs /dev/vda /usr/sbin/mount.lustre ffff88012e3d9c00 ffff88012a502800 lustre 192.168.204.152@tcp:/lustre /mnt/lustre ffff8800b585da40 ffff88012a4ef000 lustre 192.168.204.152@tcp:/lustre /mnt/lustre2 +-------------------------------+ >----------------------| Last 40 lines of dmesg buffer |----------------------< +-------------------------------+ [ 383.301466] Lustre: DEBUG MARKER: chmod [ 386.450309] Lustre: DEBUG MARKER: == sanityn test 15: test out-of-space with multiple writers ===================================================================== 23:21:20 (1746156080) [ 395.299680] Lustre: DEBUG MARKER: SKIP: oos2 test_15 oos2.sh: 7207396kB free gt MAXFREE 800000kB, increase 800000 (or reduce test fs size) to proceed [ 399.287035] Lustre: DEBUG MARKER: == sanityn test 16a: 2500 iterations of dual-mount fsx === 23:21:33 (1746156093) [ 530.090755] mapcount 0 page_mapcount 1 [ 530.092327] ------------[ cut here ]------------ [ 530.093898] kernel BUG at mm/huge_memory.c:2372! [ 530.102268] invalid opcode: 0000 [#1] SMP DEBUG_PAGEALLOC [ 530.104884] Modules linked in: lustre(OE) osp(OE) ofd(OE) lod(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 [ 530.134347] CPU: 2 PID: 29479 Comm: fsx Kdump: loaded Tainted: G OE ------------ 3.10.0-7.9-debug #1 [ 530.142651] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.2-1.fc38 04/01/2014 [ 530.147006] task: ffff8800b3afc440 ti: ffff88012f9ac000 task.ti: ffff88012f9ac000 [ 530.149356] RIP: 0010:[] [] __split_huge_page+0x7d2/0x830 [ 530.151638] RSP: 0018:ffff88012f9afbf8 EFLAGS: 00010246 [ 530.158704] RAX: 000000000000001a RBX: ffff8800a9a89888 RCX: 0000000000000000 [ 530.161686] RDX: 0000000000000000 RSI: ffff88013e313a98 RDI: ffff88013e313a98 [ 530.163169] RBP: ffff88012f9afc88 R08: 000000000000000a R09: 0000000000000244 [ 530.165978] R10: 0000000000000000 R11: ffff88012f9af8f6 R12: 0000000000000000 [ 530.167691] R13: 0000000000000000 R14: ffff88012eae1f20 R15: ffffea00029e0000 [ 530.168863] FS: 00007f723e8a1740(0000) GS:ffff88013e300000(0000) knlGS:0000000000000000 [ 530.171453] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 530.173753] CR2: 00007f723e8ae6e2 CR3: 000000013697a000 CR4: 0000000000160fe0 [ 530.177587] Call Trace: [ 530.178495] [] ? try_to_wake_up+0x170/0x390 [ 530.182506] [] split_huge_page_to_list+0x76/0xf0 [ 530.185017] [] ? do_raw_spin_unlock+0x49/0x90 [ 530.187247] [] __split_huge_page_pmd+0x298/0x530 [ 530.189400] [] ? ___slab_alloc+0x229/0x520 [ 530.191165] [] split_huge_page_pmd_mm+0x6b/0x70 [ 530.193388] [] split_huge_page_address+0xe6/0xf0 [ 530.195915] [] vma_adjust_trans_huge+0x9c/0xf0 [ 530.197963] [] __vma_adjust+0xb5/0x850 [ 530.199980] [] __split_vma+0x1ed/0x200 [ 530.201691] [] do_munmap+0x12a/0x480 [ 530.205542] [] vm_munmap+0x68/0xb0 [ 530.207188] [] SyS_munmap+0x22/0x30 [ 530.209647] [] system_call_fastpath+0x1f/0x24 [ 530.212504] Code: 01 f0 41 0f ba 2f 18 19 c9 85 c9 0f 84 f2 f9 ff ff eb d3 41 8b 57 18 8b 75 9c 48 c7 c7 e0 4e aa 81 31 c0 83 c2 01 e8 1e b2 5a 00 <0f> 0b 48 8b 55 b8 4c 89 ee 4c 89 f7 89 4d b0 e8 5a 78 fe ff 8b [ 530.223667] RIP [] __split_huge_page+0x7d2/0x830 [ 530.226432] RSP ****************************************************************************** ************************ 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 11.86s (real) 6.02s (CPU), Child processes: 5.73s