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.a6Iqh/vmlinux [TAINTED] DUMPFILE: /exports/testreports/52899/testresults/sanity-pcc-zfs-centos7_x86_64-centos7_x86_64-retry2/oleg459-client-vmcore [PARTIAL DUMP] CPUS: 4 DATE: Sun Jun 22 07:39:17 EDT 2025 UPTIME: 00:25:42 LOAD AVERAGE: 6.10, 3.16, 1.48 TASKS: 190 NODENAME: oleg459-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: 16177 COMMAND: "dd" TASK: ffff8800b6f8d550 [THREAD_INFO: ffff8800a4aec000] CPU: 2 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 serio_raw module mod: cannot find or load object file for pata_acpi module mod: cannot find or load object file for mbcache module mod: cannot find or load object file for crc32c_intel 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 ip_tables module mod: cannot find or load object file for binfmt_misc module mod: cannot find or load object file for crct10dif_common module mod: cannot find or load object file for jbd2 module mod: cannot find or load object file for ext4 module mod: cannot find or load object file for pcspkr module mod: cannot find or load object file for ghash_clmulni_intel module mod: cannot find or load object file for gf128mul module mod: cannot find or load object file for i2c_core module mod: cannot find or load object file for i2c_piix4 module mod: cannot find or load object file for cryptd module mod: cannot find or load object file for lrw module mod: cannot find or load object file for crc32_pclmul module mod: cannot find or load object file for iosf_mbi module mod: cannot find or load object file for ablk_helper module mod: cannot find or load object file for rpcsec_gss_krb5 module mod: cannot find or load object file for glue_helper module mod: cannot find or load object file for aesni_intel module mod: cannot find or load object file for crct10dif_generic module mod: cannot find or load object file for irqbypass module mod: cannot find or load object file for crc_t10dif module MODULE NAME BASE SIZE OBJECT FILE ffffffffa01ddd60 mgc ffffffffa01ca000 114985 /tmp/crash-anaysis.a6Iqh/modules/mgc.ko mod: cannot find or load object file for edac_core module mod: cannot find or load object file for sb_edac module ffffffffa02173e0 libcfs ffffffffa0208000 96367 /tmp/crash-anaysis.a6Iqh/modules/libcfs.ko ffffffffa022f760 fld ffffffffa0221000 88631 /tmp/crash-anaysis.a6Iqh/modules/fld.ko ffffffffa0246220 fid ffffffffa0238000 85110 /tmp/crash-anaysis.a6Iqh/modules/fid.ko mod: cannot find or load object file for loop module mod: cannot find or load object file for squashfs module mod: cannot find or load object file for kvm module ffffffffa039e000 lnet ffffffffa030a000 942814 /tmp/crash-anaysis.a6Iqh/modules/lnet.ko ffffffffa040f8a0 ksocklnd ffffffffa03f2000 173659 /tmp/crash-anaysis.a6Iqh/modules/ksocklnd.ko ffffffffa0456a20 ptlrpc_gss ffffffffa041e000 337059 /tmp/crash-anaysis.a6Iqh/modules/ptlrpc_gss.ko ffffffffa049d7a0 lmv ffffffffa0472000 234955 /tmp/crash-anaysis.a6Iqh/modules/lmv.ko ffffffffa04ff5a0 osc ffffffffa04ad000 455677 /tmp/crash-anaysis.a6Iqh/modules/osc.ko ffffffffa05361e0 obdecho ffffffffa051e000 147541 /tmp/crash-anaysis.a6Iqh/modules/obdecho.ko mod: cannot find or load object file for kvm_intel module ffffffffa0657420 obdclass ffffffffa0574000 2791812 /tmp/crash-anaysis.a6Iqh/modules/obdclass.ko ffffffffa09e3b00 ptlrpc ffffffffa081f000 2649057 /tmp/crash-anaysis.a6Iqh/modules/ptlrpc.ko ffffffffa0ae4b20 lov ffffffffa0aa7000 346301 /tmp/crash-anaysis.a6Iqh/modules/lov.ko ffffffffa0b2fce0 mdc ffffffffa0afd000 281408 /tmp/crash-anaysis.a6Iqh/modules/mdc.ko ffffffffa0be3bc0 lfsck ffffffffa0b4e000 772474 /tmp/crash-anaysis.a6Iqh/modules/lfsck.ko ffffffffa0c82320 lquota ffffffffa0c2e000 464425 /tmp/crash-anaysis.a6Iqh/modules/lquota.ko ffffffffa0d01aa0 mgs ffffffffa0cbb000 389169 /tmp/crash-anaysis.a6Iqh/modules/mgs.ko ffffffffa0d79f40 mdd ffffffffa0d1c000 503096 /tmp/crash-anaysis.a6Iqh/modules/mdd.ko ffffffffa0e72dc0 mdt ffffffffa0db3000 1051812 /tmp/crash-anaysis.a6Iqh/modules/mdt.ko ffffffffa0f655e0 lod ffffffffa0eec000 660686 /tmp/crash-anaysis.a6Iqh/modules/lod.ko ffffffffa0ff9320 ofd ffffffffa0fb1000 395574 /tmp/crash-anaysis.a6Iqh/modules/ofd.ko ffffffffa10532c0 osp ffffffffa1013000 358667 /tmp/crash-anaysis.a6Iqh/modules/osp.ko ffffffffa11405c0 lustre ffffffffa106c000 1155184 /tmp/crash-anaysis.a6Iqh/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, 0xffff8800a9f65b88) 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, 0xffff8800a9f9d3c8) 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, 0xffff8800b40af308) 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, 0xffff8800a991f0a8) 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_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 0 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_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 0 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_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 0 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_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 0 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 4096 total debug pages from 4 CPUs to /tmp/crash-anaysis.a6Iqh/lustre.bin