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. 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(determining panic task) KERNEL: /tmp/crash-anaysis.Cd3oh/vmlinux [TAINTED] DUMPFILE: /exports/testreports/68883/testresults/sanity-compr-special3-zfs-DNE-rocky8.10_x86_64-rocky8.10_x86_64/oleg314-server-vmcore [PARTIAL DUMP] CPUS: 4 DATE: Wed Aug 26 13:30:31 EDT 2026 UPTIME: 00:07:51 LOAD AVERAGE: 1.35, 1.49, 0.82 TASKS: 404 NODENAME: oleg314-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: "BUG: unable to handle kernel NULL pointer dereference at 0000000000000028" PID: 7916 COMMAND: "dp_sync_taskq" TASK: ffff9a48a759a7c0 [THREAD_INFO: ffff9a48a759a7c0] 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 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 ghash_clmulni_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 crc32_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 intel_rapl_msr module mod: cannot find or load object file for crc32c_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 intel_rapl_common 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 ffffffffc04de740 libcfs ffffffffc04be000 225280 /tmp/crash-anaysis.Cd3oh/modules/libcfs.ko mod: cannot find or load object file for spl module mod: cannot find or load object file for zfs module ffffffffc0f003c0 lnet ffffffffc0e25000 1490944 /tmp/crash-anaysis.Cd3oh/modules/lnet.ko ffffffffc0fbb900 ksocklnd ffffffffc0f92000 270336 /tmp/crash-anaysis.Cd3oh/modules/ksocklnd.ko ffffffffc111c0c0 obdclass ffffffffc0fd5000 4415488 /tmp/crash-anaysis.Cd3oh/modules/obdclass.ko ffffffffc16980c0 ptlrpc ffffffffc140c000 4173824 /tmp/crash-anaysis.Cd3oh/modules/ptlrpc.ko ffffffffc1856880 ptlrpc_gss ffffffffc1808000 524288 /tmp/crash-anaysis.Cd3oh/modules/ptlrpc_gss.ko ffffffffc189bc80 fld ffffffffc1889000 126976 /tmp/crash-anaysis.Cd3oh/modules/fld.ko ffffffffc18bbac0 fid ffffffffc18a9000 126976 /tmp/crash-anaysis.Cd3oh/modules/fid.ko ffffffffc18db740 ec ffffffffc18c9000 81920 /tmp/crash-anaysis.Cd3oh/modules/ec.ko ffffffffc191b080 lmv ffffffffc18de000 372736 /tmp/crash-anaysis.Cd3oh/modules/lmv.ko ffffffffc19bc480 osc ffffffffc193a000 790528 /tmp/crash-anaysis.Cd3oh/modules/osc.ko ffffffffc1a54b00 lov ffffffffc19fc000 552960 /tmp/crash-anaysis.Cd3oh/modules/lov.ko ffffffffc1aceb80 mdc ffffffffc1a84000 466944 /tmp/crash-anaysis.Cd3oh/modules/mdc.ko ffffffffc1b13000 mgc ffffffffc1af7000 184320 /tmp/crash-anaysis.Cd3oh/modules/mgc.ko ffffffffc1b465c0 obdecho ffffffffc1b25000 225280 /tmp/crash-anaysis.Cd3oh/modules/obdecho.ko ffffffffc1c17340 lfsck ffffffffc1b5d000 1081344 /tmp/crash-anaysis.Cd3oh/modules/lfsck.ko ffffffffc1ce6240 lquota ffffffffc1c66000 786432 /tmp/crash-anaysis.Cd3oh/modules/lquota.ko ffffffffc1d92b80 osd_zfs ffffffffc1d27000 659456 /tmp/crash-anaysis.Cd3oh/modules/osd_zfs.ko ffffffffc1e2c400 mgs ffffffffc1dc9000 626688 /tmp/crash-anaysis.Cd3oh/modules/mgs.ko ffffffffc1ede0c0 mdd ffffffffc1e63000 745472 /tmp/crash-anaysis.Cd3oh/modules/mdd.ko ffffffffc2028900 mdt ffffffffc1f1a000 1654784 /tmp/crash-anaysis.Cd3oh/modules/mdt.ko ffffffffc215c900 lod ffffffffc20af000 1064960 /tmp/crash-anaysis.Cd3oh/modules/lod.ko ffffffffc2222e40 ofd ffffffffc21b4000 688128 /tmp/crash-anaysis.Cd3oh/modules/ofd.ko ffffffffc22b8f80 osp ffffffffc225d000 573440 /tmp/crash-anaysis.Cd3oh/modules/osp.ko ffffffffc2420780 lustre ffffffffc22ea000 1925120 /tmp/crash-anaysis.Cd3oh/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, 0xffff9a488514c2e8) 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 218 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, 0xffff9a488bf23828) 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 205 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, 0xffff9a48b183c868) 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 253 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, 0xffff9a488a42e9a8) 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 249 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 925 total debug pages from 4 CPUs to /tmp/crash-anaysis.Cd3oh/lustre.bin