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.xk8sc/vmlinux [TAINTED] DUMPFILE: /exports/testreports/65052/testresults/sanity3-ldiskfs-DNE-rocky8.10_x86_64-rocky8.10_x86_64/oleg158-client-vmcore [PARTIAL DUMP] CPUS: 4 DATE: Thu Jun 11 19:31:57 EDT 2026 UPTIME: 03:39:18 LOAD AVERAGE: 1.77, 1.56, 1.61 TASKS: 183 NODENAME: oleg158-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 ffff986f52330000" PID: 262237 COMMAND: "dd" TASK: ffff986f510d8000 [THREAD_INFO: ffff986f510d8000] 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_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 libata 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 ata_generic module mod: cannot find or load object file for i2c_piix4 module mod: cannot find or load object file for intel_rapl_msr module mod: cannot find or load object file for serio_raw 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 ata_piix 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 crc32_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 rapl 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 ffffffffc04b1000 fld ffffffffc049c000 135168 /tmp/crash-anaysis.xk8sc/modules/fld.ko ffffffffc04d0740 ec ffffffffc04be000 81920 /tmp/crash-anaysis.xk8sc/modules/ec.ko ffffffffc052c940 libcfs ffffffffc050c000 233472 /tmp/crash-anaysis.xk8sc/modules/libcfs.ko ffffffffc061dac0 lnet ffffffffc0546000 1466368 /tmp/crash-anaysis.xk8sc/modules/lnet.ko ffffffffc06d68c0 ksocklnd ffffffffc06ad000 270336 /tmp/crash-anaysis.xk8sc/modules/ksocklnd.ko ffffffffc0834a80 obdclass ffffffffc06f0000 4390912 /tmp/crash-anaysis.xk8sc/modules/obdclass.ko ffffffffc0db02c0 ptlrpc ffffffffc0b21000 4190208 /tmp/crash-anaysis.xk8sc/modules/ptlrpc.ko ffffffffc0f6d5c0 ptlrpc_gss ffffffffc0f21000 512000 /tmp/crash-anaysis.xk8sc/modules/ptlrpc_gss.ko ffffffffc0fb1bc0 fid ffffffffc0f9f000 126976 /tmp/crash-anaysis.xk8sc/modules/fid.ko ffffffffc0ffc000 lmv ffffffffc0fbf000 372736 /tmp/crash-anaysis.xk8sc/modules/lmv.ko ffffffffc10954c0 osc ffffffffc101b000 741376 /tmp/crash-anaysis.xk8sc/modules/osc.ko ffffffffc11287c0 lov ffffffffc10d1000 548864 /tmp/crash-anaysis.xk8sc/modules/lov.ko ffffffffc11a2b80 mdc ffffffffc1158000 466944 /tmp/crash-anaysis.xk8sc/modules/mdc.ko ffffffffc11e7080 mgc ffffffffc11cb000 184320 /tmp/crash-anaysis.xk8sc/modules/mgc.ko ffffffffc121a580 obdecho ffffffffc11f9000 221184 /tmp/crash-anaysis.xk8sc/modules/obdecho.ko ffffffffc12f7040 lfsck ffffffffc1230000 1159168 /tmp/crash-anaysis.xk8sc/modules/lfsck.ko ffffffffc13cfe80 lquota ffffffffc134c000 806912 /tmp/crash-anaysis.xk8sc/modules/lquota.ko ffffffffc1475740 mgs ffffffffc1412000 626688 /tmp/crash-anaysis.xk8sc/modules/mgs.ko ffffffffc1532380 mdd ffffffffc14ac000 806912 /tmp/crash-anaysis.xk8sc/modules/mdd.ko ffffffffc1682280 mdt ffffffffc1572000 1662976 /tmp/crash-anaysis.xk8sc/modules/mdt.ko ffffffffc17b8300 lod ffffffffc1709000 1077248 /tmp/crash-anaysis.xk8sc/modules/lod.ko ffffffffc18788c0 ofd ffffffffc1811000 638976 /tmp/crash-anaysis.xk8sc/modules/ofd.ko ffffffffc190b5c0 osp ffffffffc18ae000 581632 /tmp/crash-anaysis.xk8sc/modules/osp.ko ffffffffc1a70140 lustre ffffffffc193d000 1900544 /tmp/crash-anaysis.xk8sc/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, 0xffff986f4a28b568) 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, 0xffff986f49ff1ce8) 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, 0xffff986f4a339808) 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, 0xffff986f815e3008) 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, 0xffff986f72c83f68) 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, 0xffff986f73558188) 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, 0xffff986f4a356508) 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, 0xffff986f4a29e028) 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.xk8sc/lustre.bin