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.MPNE6/vmlinux [TAINTED] DUMPFILE: /exports/testreports/69762/testresults/runtests-zfs-rocky8.10_x86_64-rocky8.10_x86_64/oleg106-server-vmcore [PARTIAL DUMP] CPUS: 4 DATE: Mon Sep 7 11:00:03 EDT 2026 UPTIME: 00:03:44 LOAD AVERAGE: 1.30, 0.77, 0.32 TASKS: 353 NODENAME: oleg106-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: 38 COMMAND: "kworker/u8:3" TASK: ffff926481384f80 [THREAD_INFO: ffff926481384f80] CPU: 3 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_log module mod: cannot find or load object file for dm_region_hash 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 crc32c_intel 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 pcspkr 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 i2c_piix4 module mod: cannot find or load object file for ghash_clmulni_intel module mod: cannot find or load object file for crc32_pclmul module mod: cannot find or load object file for squashfs module mod: cannot find or load object file for intel_rapl_msr 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 rpcsec_gss_krb5 module mod: cannot find or load object file for intel_rapl_common module mod: cannot find or load object file for nfsv4 module mod: cannot find or load object file for auth_rpcgss module MODULE NAME BASE SIZE OBJECT FILE ffffffffc0792640 libcfs ffffffffc0772000 225280 /tmp/crash-anaysis.MPNE6/modules/libcfs.ko mod: cannot find or load object file for spl module mod: cannot find or load object file for zfs module ffffffffc11b44c0 lnet ffffffffc10d9000 1495040 /tmp/crash-anaysis.MPNE6/modules/lnet.ko ffffffffc1270900 ksocklnd ffffffffc1247000 270336 /tmp/crash-anaysis.MPNE6/modules/ksocklnd.ko ffffffffc13cbd00 obdclass ffffffffc128a000 4374528 /tmp/crash-anaysis.MPNE6/modules/obdclass.ko ffffffffc1947a40 ptlrpc ffffffffc16b7000 4206592 /tmp/crash-anaysis.MPNE6/modules/ptlrpc.ko ffffffffc1b13740 ptlrpc_gss ffffffffc1abb000 593920 /tmp/crash-anaysis.MPNE6/modules/ptlrpc_gss.ko ffffffffc1b5fc80 fld ffffffffc1b4d000 126976 /tmp/crash-anaysis.MPNE6/modules/fld.ko ffffffffc1b7fac0 fid ffffffffc1b6d000 126976 /tmp/crash-anaysis.MPNE6/modules/fid.ko ffffffffc1b9f740 ec ffffffffc1b8d000 81920 /tmp/crash-anaysis.MPNE6/modules/ec.ko ffffffffc1bdf080 lmv ffffffffc1ba2000 372736 /tmp/crash-anaysis.MPNE6/modules/lmv.ko ffffffffc1c73d00 osc ffffffffc1bfe000 716800 /tmp/crash-anaysis.MPNE6/modules/osc.ko ffffffffc1d05780 lov ffffffffc1cae000 548864 /tmp/crash-anaysis.MPNE6/modules/lov.ko ffffffffc1d7fb80 mdc ffffffffc1d35000 466944 /tmp/crash-anaysis.MPNE6/modules/mdc.ko ffffffffc1dc4000 mgc ffffffffc1da8000 184320 /tmp/crash-anaysis.MPNE6/modules/mgc.ko ffffffffc1df8740 obdecho ffffffffc1dd6000 229376 /tmp/crash-anaysis.MPNE6/modules/obdecho.ko ffffffffc1ec90c0 lfsck ffffffffc1e0f000 1077248 /tmp/crash-anaysis.MPNE6/modules/lfsck.ko ffffffffc1f97240 lquota ffffffffc1f17000 786432 /tmp/crash-anaysis.MPNE6/modules/lquota.ko ffffffffc2045100 osd_zfs ffffffffc1fd8000 671744 /tmp/crash-anaysis.MPNE6/modules/osd_zfs.ko ffffffffc20e0380 mgs ffffffffc207d000 626688 /tmp/crash-anaysis.MPNE6/modules/mgs.ko ffffffffc2192080 mdd ffffffffc2117000 745472 /tmp/crash-anaysis.MPNE6/modules/mdd.ko ffffffffc22dc900 mdt ffffffffc21ce000 1654784 /tmp/crash-anaysis.MPNE6/modules/mdt.ko ffffffffc240d240 lod ffffffffc2363000 1048576 /tmp/crash-anaysis.MPNE6/modules/lod.ko ffffffffc24c6800 ofd ffffffffc2464000 610304 /tmp/crash-anaysis.MPNE6/modules/ofd.ko ffffffffc2555f80 osp ffffffffc24fa000 573440 /tmp/crash-anaysis.MPNE6/modules/osp.ko ffffffffc26bb840 lustre ffffffffc2587000 1908736 /tmp/crash-anaysis.MPNE6/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, 0xffff926488f38988) 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 80 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, 0xffff926487fbf488) 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 72 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, 0xffff92649174aa68) 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 82 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, 0xffff926490b30608) 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 73 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 307 total debug pages from 4 CPUs to /tmp/crash-anaysis.MPNE6/lustre.bin