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.ITAuH/vmlinux [TAINTED] DUMPFILE: /exports/testreports/62612/testresults/sanity-pfl-zfs-rocky8.10_x86_64-rocky8.10_x86_64-retry4/oleg203-server-vmcore [PARTIAL DUMP] CPUS: 4 DATE: Tue Apr 14 17:11:09 EDT 2026 UPTIME: 00:18:24 LOAD AVERAGE: 1.96, 2.35, 1.76 TASKS: 380 NODENAME: oleg203-server.virtnet RELEASE: 4.18.0rh8.10-debug VERSION: #2 SMP Mon Jul 14 01:24:22 EDT 2025 MACHINE: x86_64 (2399 Mhz) MEMORY: 4.1 GB PANIC: "Kernel panic - not syncing: LBUG" PID: 36 COMMAND: "kworker/u8:1" TASK: ffffa0284134a7c0 [THREAD_INFO: ffffa0284134a7c0] 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 sha512_generic module mod: cannot find or load object file for sha512_ssse3 module mod: cannot find or load object file for dm_mod module mod: cannot find or load object file for dm_region_hash module mod: cannot find or load object file for dm_log module mod: cannot find or load object file for dm_mirror module mod: cannot find or load object file for libata module mod: cannot find or load object file for ghash_clmulni_intel module mod: cannot find or load object file for ata_generic module mod: cannot find or load object file for crc32_pclmul module mod: cannot find or load object file for i2c_piix4 module mod: cannot find or load object file for rapl 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 pcspkr module mod: cannot find or load object file for intel_rapl_common module mod: cannot find or load object file for crc32c_intel module mod: cannot find or load object file for intel_rapl_msr module mod: cannot find or load object file for crct10dif_pclmul module mod: cannot find or load object file for squashfs module mod: cannot find or load object file for sb_edac module mod: cannot find or load object file for dns_resolver module mod: cannot find or load object file for nfsv4 module mod: cannot find or load object file for auth_rpcgss module mod: cannot find or load object file for rpcsec_gss_krb5 module MODULE NAME BASE SIZE OBJECT FILE ffffffffc06f02c0 fld ffffffffc06db000 135168 /tmp/crash-anaysis.ITAuH/modules/fld.ko ffffffffc0700480 ost ffffffffc06fd000 20480 /tmp/crash-anaysis.ITAuH/modules/ost.ko mod: cannot find or load object file for spl module mod: cannot find or load object file for zfs module ffffffffc1071ac0 libcfs ffffffffc1040000 344064 /tmp/crash-anaysis.ITAuH/modules/libcfs.ko ffffffffc1139500 lnet ffffffffc1095000 1150976 /tmp/crash-anaysis.ITAuH/modules/lnet.ko ffffffffc11d8a80 ksocklnd ffffffffc11af000 274432 /tmp/crash-anaysis.ITAuH/modules/ksocklnd.ko ffffffffc131f300 obdclass ffffffffc11f3000 4288512 /tmp/crash-anaysis.ITAuH/modules/obdclass.ko ffffffffc1849180 ptlrpc ffffffffc160b000 3698688 /tmp/crash-anaysis.ITAuH/modules/ptlrpc.ko ffffffffc19deb80 ptlrpc_gss ffffffffc1993000 516096 /tmp/crash-anaysis.ITAuH/modules/ptlrpc_gss.ko ffffffffc1a24b40 fid ffffffffc1a12000 122880 /tmp/crash-anaysis.ITAuH/modules/fid.ko ffffffffc1a65240 lmv ffffffffc1a31000 319488 /tmp/crash-anaysis.ITAuH/modules/lmv.ko ffffffffc1aed2c0 osc ffffffffc1a80000 671744 /tmp/crash-anaysis.ITAuH/modules/osc.ko ffffffffc1b76c40 lov ffffffffc1b25000 516096 /tmp/crash-anaysis.ITAuH/modules/lov.ko ffffffffc1be8ac0 mdc ffffffffc1ba4000 430080 /tmp/crash-anaysis.ITAuH/modules/mdc.ko ffffffffc1c23b00 mgc ffffffffc1c0e000 147456 /tmp/crash-anaysis.ITAuH/modules/mgc.ko ffffffffc1c55700 obdecho ffffffffc1c33000 229376 /tmp/crash-anaysis.ITAuH/modules/obdecho.ko ffffffffc1d33140 lfsck ffffffffc1c6c000 1163264 /tmp/crash-anaysis.ITAuH/modules/lfsck.ko ffffffffc1dfd580 lquota ffffffffc1d89000 704512 /tmp/crash-anaysis.ITAuH/modules/lquota.ko ffffffffc1e9d6c0 osd_zfs ffffffffc1e36000 638976 /tmp/crash-anaysis.ITAuH/modules/osd_zfs.ko ffffffffc1f2dec0 mgs ffffffffc1ed3000 573440 /tmp/crash-anaysis.ITAuH/modules/mgs.ko ffffffffc1fdd480 mdd ffffffffc1f60000 753664 /tmp/crash-anaysis.ITAuH/modules/mdd.ko ffffffffc2116540 mdt ffffffffc2019000 1556480 /tmp/crash-anaysis.ITAuH/modules/mdt.ko ffffffffc22358c0 lod ffffffffc2196000 983040 /tmp/crash-anaysis.ITAuH/modules/lod.ko ffffffffc22e3180 ofd ffffffffc2287000 565248 /tmp/crash-anaysis.ITAuH/modules/ofd.ko ffffffffc236d500 osp ffffffffc2312000 569344 /tmp/crash-anaysis.ITAuH/modules/osp.ko ffffffffc24a4f00 lustre ffffffffc239e000 1634304 /tmp/crash-anaysis.ITAuH/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, 0xffffa0287f7c1968) 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 409 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, 0xffffa028500893a8) 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 409 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, 0xffffa027469ebdc8) 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 409 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, 0xffffa02743d7eea8) 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 409 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, 0xffffa02847755868) 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 1 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_trace_pages(2, 5, 0xffffa028429a2d68) 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 1 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 1638 total debug pages from 4 CPUs to /tmp/crash-anaysis.ITAuH/lustre.bin