crash 8.0.0++ Copyright (C) 2002-2021 Red Hat, Inc. Copyright (C) 2004, 2005, 2006, 2010 IBM Corporation Copyright (C) 1999-2006 Hewlett-Packard Co Copyright (C) 2005, 2006, 2011, 2012 Fujitsu Limited Copyright (C) 2006, 2007 VA Linux Systems Japan K.K. Copyright (C) 2005, 2011, 2020-2021 NEC Corporation Copyright (C) 1999, 2002, 2007 Silicon Graphics, Inc. Copyright (C) 1999, 2000, 2001, 2002 Mission Critical Linux, Inc. Copyright (C) 2015, 2021 VMware, Inc. This program is free software, covered by the GNU General Public License, and you are welcome to change it and/or distribute copies of it under certain conditions. Enter "help copying" to see the conditions. This program has absolutely no warranty. Enter "help warranty" for details. NOTE: stdin: not a tty GNU gdb (GDB) 10.2 Copyright (C) 2021 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Type "show copying" and "show warranty" for details. This GDB was configured as "x86_64-pc-linux-gnu". Type "show configuration" for configuration details. Find the GDB manual and other documentation resources online at: . For help, type "help". Type "apropos word" to search for commands related to "word"... please wait... (gathering kmem slab cache data) please wait... (gathering module symbol data) please wait... (gathering task table data) please wait... (determining panic task) KERNEL: /tmp/crash-anaysis.0NdtV/vmlinux [TAINTED] DUMPFILE: /exports/testreports/52899/testresults/sanity-slow-zfs-centos7_x86_64-centos7_x86_64-retry1/oleg421-client-vmcore [PARTIAL DUMP] CPUS: 4 DATE: Sun Jun 22 07:42:45 EDT 2025 UPTIME: 00:27:31 LOAD AVERAGE: 1.53, 1.48, 0.98 TASKS: 160 NODENAME: oleg421-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: "Kernel panic - not syncing: LBUG" PID: 13785 COMMAND: "dbench" TASK: ffff8800b3a50000 [THREAD_INFO: ffff8801373d0000] CPU: 0 STATE: TASK_RUNNING (PANIC) Setting scroll off while initializing PyKdump /usr/local/crash/mpykdump.so: shared object loaded ./lustre.so: shared object loaded mod: cannot find or load object file for libata module mod: cannot find or load object file for crc32c_intel module mod: cannot find or load object file for crct10dif_common module mod: cannot find or load object file for pata_acpi module mod: cannot find or load object file for serio_raw module mod: cannot find or load object file for ata_piix module mod: cannot find or load object file for ata_generic module mod: cannot find or load object file for crct10dif_pclmul module mod: cannot find or load object file for jbd2 module mod: cannot find or load object file for ip_tables module mod: cannot find or load object file for mbcache module mod: cannot find or load object file for ext4 module mod: cannot find or load object file for binfmt_misc module mod: cannot find or load object file for pcspkr module mod: cannot find or load object file for gf128mul module mod: cannot find or load object file for crc32_pclmul module mod: cannot find or load object file for ghash_clmulni_intel module mod: cannot find or load object file for i2c_core module mod: cannot find or load object file for cryptd module mod: cannot find or load object file for ablk_helper module mod: cannot find or load object file for crct10dif_generic module mod: cannot find or load object file for iosf_mbi module mod: cannot find or load object file for i2c_piix4 module mod: cannot find or load object file for irqbypass module mod: cannot find or load object file for glue_helper module mod: cannot find or load object file for crc_t10dif module mod: cannot find or load object file for lrw module mod: cannot find or load object file for aesni_intel module mod: cannot find or load object file for kvm module mod: cannot find or load object file for rpcsec_gss_krb5 module mod: cannot find or load object file for squashfs module MODULE NAME BASE SIZE OBJECT FILE ffffffffa0294220 fid ffffffffa0286000 85110 /tmp/crash-anaysis.0NdtV/modules/fid.ko mod: cannot find or load object file for edac_core module mod: cannot find or load object file for sb_edac module ffffffffa02c7760 fld ffffffffa02b9000 88631 /tmp/crash-anaysis.0NdtV/modules/fld.ko ffffffffa02e83e0 libcfs ffffffffa02d9000 96367 /tmp/crash-anaysis.0NdtV/modules/libcfs.ko ffffffffa0386000 lnet ffffffffa02f2000 942814 /tmp/crash-anaysis.0NdtV/modules/lnet.ko ffffffffa03fc1e0 obdecho ffffffffa03e4000 147541 /tmp/crash-anaysis.0NdtV/modules/obdecho.ko ffffffffa04288a0 ksocklnd ffffffffa040b000 173659 /tmp/crash-anaysis.0NdtV/modules/ksocklnd.ko ffffffffa046fa20 ptlrpc_gss ffffffffa0437000 337059 /tmp/crash-anaysis.0NdtV/modules/ptlrpc_gss.ko ffffffffa04b67a0 lmv ffffffffa048b000 234955 /tmp/crash-anaysis.0NdtV/modules/lmv.ko ffffffffa0503b20 lov ffffffffa04c6000 346301 /tmp/crash-anaysis.0NdtV/modules/lov.ko mod: cannot find or load object file for kvm_intel module ffffffffa0633420 obdclass ffffffffa0550000 2791812 /tmp/crash-anaysis.0NdtV/modules/obdclass.ko ffffffffa09bfb00 ptlrpc ffffffffa07fb000 2649057 /tmp/crash-anaysis.0NdtV/modules/ptlrpc.ko ffffffffa0ad55a0 osc ffffffffa0a83000 455677 /tmp/crash-anaysis.0NdtV/modules/osc.ko ffffffffa0b26ce0 mdc ffffffffa0af4000 281408 /tmp/crash-anaysis.0NdtV/modules/mdc.ko ffffffffa0b4dd60 mgc ffffffffa0b3a000 114985 /tmp/crash-anaysis.0NdtV/modules/mgc.ko ffffffffa0bf8bc0 lfsck ffffffffa0b63000 772474 /tmp/crash-anaysis.0NdtV/modules/lfsck.ko ffffffffa0c97320 lquota ffffffffa0c43000 464425 /tmp/crash-anaysis.0NdtV/modules/lquota.ko ffffffffa0d16aa0 mgs ffffffffa0cd0000 389169 /tmp/crash-anaysis.0NdtV/modules/mgs.ko ffffffffa0d8ef40 mdd ffffffffa0d31000 503096 /tmp/crash-anaysis.0NdtV/modules/mdd.ko ffffffffa0e87dc0 mdt ffffffffa0dc8000 1051812 /tmp/crash-anaysis.0NdtV/modules/mdt.ko ffffffffa0f7a5e0 lod ffffffffa0f01000 660686 /tmp/crash-anaysis.0NdtV/modules/lod.ko ffffffffa100e320 ofd ffffffffa0fc6000 395574 /tmp/crash-anaysis.0NdtV/modules/ofd.ko ffffffffa10682c0 osp ffffffffa1028000 358667 /tmp/crash-anaysis.0NdtV/modules/osp.ko ffffffffa11555c0 lustre ffffffffa1081000 1155184 /tmp/crash-anaysis.0NdtV/modules/lustre.ko lustre_walk_cpus(0, 5, 1) cmd p (*cfs_trace_data[0])[0].tcd.tcd_cur_pages // p (*cfs_trace_data[0])[0].tcd.tcd_pages.next lustre_walk_trace_pages(0, 5, 0xffff8800aa3f16c8) lustre_walk_cpus(0, 5, 2) cmd p (*cfs_trace_data[0])[0].tcd.tcd_cur_daemon_pages // p (*cfs_trace_data[0])[0].tcd.tcd_daemon_pages.next lustre: Dumped 1024 debug pages from type 0 - CPU 0 lustre_walk_cpus(1, 5, 1) cmd p (*cfs_trace_data[0])[1].tcd.tcd_cur_pages // p (*cfs_trace_data[0])[1].tcd.tcd_pages.next lustre_walk_trace_pages(1, 5, 0xffff8800b6f6a348) lustre_walk_cpus(1, 5, 2) cmd p (*cfs_trace_data[0])[1].tcd.tcd_cur_daemon_pages // p (*cfs_trace_data[0])[1].tcd.tcd_daemon_pages.next lustre: Dumped 1024 debug pages from type 0 - CPU 1 lustre_walk_cpus(2, 5, 1) cmd p (*cfs_trace_data[0])[2].tcd.tcd_cur_pages // p (*cfs_trace_data[0])[2].tcd.tcd_pages.next lustre_walk_trace_pages(2, 5, 0xffff880130956e28) lustre_walk_cpus(2, 5, 2) cmd p (*cfs_trace_data[0])[2].tcd.tcd_cur_daemon_pages // p (*cfs_trace_data[0])[2].tcd.tcd_daemon_pages.next lustre: Dumped 1024 debug pages from type 0 - CPU 2 lustre_walk_cpus(3, 5, 1) cmd p (*cfs_trace_data[0])[3].tcd.tcd_cur_pages // p (*cfs_trace_data[0])[3].tcd.tcd_pages.next lustre_walk_trace_pages(3, 5, 0xffff8800a9968868) lustre_walk_cpus(3, 5, 2) cmd p (*cfs_trace_data[0])[3].tcd.tcd_cur_daemon_pages // p (*cfs_trace_data[0])[3].tcd.tcd_daemon_pages.next lustre: Dumped 1024 debug pages from type 0 - CPU 3 lustre_walk_cpus(0, 5, 1) cmd p (*cfs_trace_data[1])[0].tcd.tcd_cur_pages // p (*cfs_trace_data[1])[0].tcd.tcd_pages.next lustre_walk_trace_pages(0, 5, 0xffff8800a284bde8) lustre_walk_cpus(0, 5, 2) cmd p (*cfs_trace_data[1])[0].tcd.tcd_cur_daemon_pages // p (*cfs_trace_data[1])[0].tcd.tcd_daemon_pages.next lustre: Dumped 128 debug pages from type 1 - CPU 0 lustre_walk_cpus(1, 5, 1) cmd p (*cfs_trace_data[1])[1].tcd.tcd_cur_pages // p (*cfs_trace_data[1])[1].tcd.tcd_pages.next lustre_walk_trace_pages(1, 5, 0xffff8800a345cb08) lustre_walk_cpus(1, 5, 2) cmd p (*cfs_trace_data[1])[1].tcd.tcd_cur_daemon_pages // p (*cfs_trace_data[1])[1].tcd.tcd_daemon_pages.next lustre: Dumped 128 debug pages from type 1 - CPU 1 lustre_walk_cpus(2, 5, 1) cmd p (*cfs_trace_data[1])[2].tcd.tcd_cur_pages // p (*cfs_trace_data[1])[2].tcd.tcd_pages.next lustre_walk_trace_pages(2, 5, 0xffff8800a34c7208) lustre_walk_cpus(2, 5, 2) cmd p (*cfs_trace_data[1])[2].tcd.tcd_cur_daemon_pages // p (*cfs_trace_data[1])[2].tcd.tcd_daemon_pages.next lustre: Dumped 128 debug pages from type 1 - CPU 2 lustre_walk_cpus(3, 5, 1) cmd p (*cfs_trace_data[1])[3].tcd.tcd_cur_pages // p (*cfs_trace_data[1])[3].tcd.tcd_pages.next lustre_walk_trace_pages(3, 5, 0xffff8800a2b76908) lustre_walk_cpus(3, 5, 2) cmd p (*cfs_trace_data[1])[3].tcd.tcd_cur_daemon_pages // p (*cfs_trace_data[1])[3].tcd.tcd_daemon_pages.next lustre: Dumped 128 debug pages from type 1 - CPU 3 lustre_walk_cpus(0, 5, 1) cmd p (*cfs_trace_data[2])[0].tcd.tcd_cur_pages // p (*cfs_trace_data[2])[0].tcd.tcd_pages.next lustre_walk_cpus(0, 5, 2) cmd p (*cfs_trace_data[2])[0].tcd.tcd_cur_daemon_pages // p (*cfs_trace_data[2])[0].tcd.tcd_daemon_pages.next lustre: Dumped 0 debug pages from type 2 - CPU 0 lustre_walk_cpus(1, 5, 1) cmd p (*cfs_trace_data[2])[1].tcd.tcd_cur_pages // p (*cfs_trace_data[2])[1].tcd.tcd_pages.next lustre_walk_cpus(1, 5, 2) cmd p (*cfs_trace_data[2])[1].tcd.tcd_cur_daemon_pages // p (*cfs_trace_data[2])[1].tcd.tcd_daemon_pages.next lustre: Dumped 0 debug pages from type 2 - CPU 1 lustre_walk_cpus(2, 5, 1) cmd p (*cfs_trace_data[2])[2].tcd.tcd_cur_pages // p (*cfs_trace_data[2])[2].tcd.tcd_pages.next lustre_walk_cpus(2, 5, 2) cmd p (*cfs_trace_data[2])[2].tcd.tcd_cur_daemon_pages // p (*cfs_trace_data[2])[2].tcd.tcd_daemon_pages.next lustre: Dumped 0 debug pages from type 2 - CPU 2 lustre_walk_cpus(3, 5, 1) cmd p (*cfs_trace_data[2])[3].tcd.tcd_cur_pages // p (*cfs_trace_data[2])[3].tcd.tcd_pages.next lustre_walk_cpus(3, 5, 2) cmd p (*cfs_trace_data[2])[3].tcd.tcd_cur_daemon_pages // p (*cfs_trace_data[2])[3].tcd.tcd_daemon_pages.next lustre: Dumped 0 debug pages from type 2 - CPU 3 lustre: Dumped 4608 total debug pages from 4 CPUs to /tmp/crash-anaysis.0NdtV/lustre.bin