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.6W5Nd/vmlinux [TAINTED] DUMPFILE: /exports/testreports/65054/testresults/sanity3-zfs-rocky8.10_x86_64-rocky8.10_x86_64/oleg102-client-vmcore [PARTIAL DUMP] CPUS: 4 DATE: Thu Jun 11 21:33:49 EDT 2026 UPTIME: 02:20:43 LOAD AVERAGE: 1.95, 1.82, 1.75 TASKS: 182 NODENAME: oleg102-client.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: "BUG: unable to handle kernel paging request at ffff9ca171840000" PID: 200590 COMMAND: "dd" TASK: ffff9ca1414a27c0 [THREAD_INFO: ffff9ca1414a27c0] CPU: 1 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_mirror 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 serio_raw module mod: cannot find or load object file for ata_piix module mod: cannot find or load object file for libata module mod: cannot find or load object file for crc32_pclmul module mod: cannot find or load object file for ata_generic module mod: cannot find or load object file for i2c_piix4 module mod: cannot find or load object file for crc32c_intel module mod: cannot find or load object file for crct10dif_pclmul module mod: cannot find or load object file for intel_rapl_msr module mod: cannot find or load object file for pcspkr module mod: cannot find or load object file for dns_resolver module mod: cannot find or load object file for ghash_clmulni_intel 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 rpcsec_gss_krb5 module mod: cannot find or load object file for rapl module mod: cannot find or load object file for intel_rapl_common module mod: cannot find or load object file for nfsv4 module MODULE NAME BASE SIZE OBJECT FILE ffffffffc06e0940 libcfs ffffffffc06c0000 233472 /tmp/crash-anaysis.6W5Nd/modules/libcfs.ko mod: cannot find or load object file for auth_rpcgss module ffffffffc084cac0 lnet ffffffffc0775000 1466368 /tmp/crash-anaysis.6W5Nd/modules/lnet.ko ffffffffc09058c0 ksocklnd ffffffffc08dc000 270336 /tmp/crash-anaysis.6W5Nd/modules/ksocklnd.ko ffffffffc0a63a80 obdclass ffffffffc091f000 4390912 /tmp/crash-anaysis.6W5Nd/modules/obdclass.ko ffffffffc0fdf2c0 ptlrpc ffffffffc0d50000 4190208 /tmp/crash-anaysis.6W5Nd/modules/ptlrpc.ko ffffffffc119c5c0 ptlrpc_gss ffffffffc1150000 512000 /tmp/crash-anaysis.6W5Nd/modules/ptlrpc_gss.ko ffffffffc11e3000 fld ffffffffc11ce000 135168 /tmp/crash-anaysis.6W5Nd/modules/fld.ko ffffffffc1202bc0 fid ffffffffc11f0000 126976 /tmp/crash-anaysis.6W5Nd/modules/fid.ko ffffffffc1222740 ec ffffffffc1210000 81920 /tmp/crash-anaysis.6W5Nd/modules/ec.ko ffffffffc1262000 lmv ffffffffc1225000 372736 /tmp/crash-anaysis.6W5Nd/modules/lmv.ko ffffffffc12fb4c0 osc ffffffffc1281000 741376 /tmp/crash-anaysis.6W5Nd/modules/osc.ko ffffffffc138e780 lov ffffffffc1337000 548864 /tmp/crash-anaysis.6W5Nd/modules/lov.ko ffffffffc1408b80 mdc ffffffffc13be000 466944 /tmp/crash-anaysis.6W5Nd/modules/mdc.ko ffffffffc144d080 mgc ffffffffc1431000 184320 /tmp/crash-anaysis.6W5Nd/modules/mgc.ko ffffffffc1480580 obdecho ffffffffc145f000 221184 /tmp/crash-anaysis.6W5Nd/modules/obdecho.ko ffffffffc155d040 lfsck ffffffffc1496000 1159168 /tmp/crash-anaysis.6W5Nd/modules/lfsck.ko ffffffffc1635e80 lquota ffffffffc15b2000 806912 /tmp/crash-anaysis.6W5Nd/modules/lquota.ko ffffffffc16db740 mgs ffffffffc1678000 626688 /tmp/crash-anaysis.6W5Nd/modules/mgs.ko ffffffffc1798380 mdd ffffffffc1712000 806912 /tmp/crash-anaysis.6W5Nd/modules/mdd.ko ffffffffc18e8280 mdt ffffffffc17d8000 1662976 /tmp/crash-anaysis.6W5Nd/modules/mdt.ko ffffffffc1a1e300 lod ffffffffc196f000 1077248 /tmp/crash-anaysis.6W5Nd/modules/lod.ko ffffffffc1ade8c0 ofd ffffffffc1a77000 638976 /tmp/crash-anaysis.6W5Nd/modules/ofd.ko ffffffffc1b715c0 osp ffffffffc1b14000 581632 /tmp/crash-anaysis.6W5Nd/modules/osp.ko ffffffffc1cd5100 lustre ffffffffc1ba3000 1896448 /tmp/crash-anaysis.6W5Nd/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, 0xffff9ca151674308) 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, 0xffff9ca150ca4b08) 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, 0xffff9ca144c9a368) 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, 0xffff9ca146b56008) 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, 0xffff9ca144fb8d68) 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, 0xffff9ca145c25d68) 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, 0xffff9ca1450f9108) 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, 0xffff9ca145d49668) 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.6W5Nd/lustre.bin