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.ABaf1/vmlinux [TAINTED] DUMPFILE: /exports/testreports/70070/testresults/sanity-pfl-zfs-rocky8.10_x86_64-rocky8.10_x86_64/oleg211-server-vmcore [PARTIAL DUMP] CPUS: 4 DATE: Fri Sep 11 11:08:07 EDT 2026 UPTIME: 01:02:37 LOAD AVERAGE: 1.29, 1.18, 1.17 TASKS: 398 NODENAME: oleg211-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 000000000000002e" PID: 6662 COMMAND: "ll_ost_io00_002" TASK: ffff9bcf98cd0000 [THREAD_INFO: ffff9bcf98cd0000] 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_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 ghash_clmulni_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 pcspkr module mod: cannot find or load object file for sb_edac 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 intel_rapl_msr module mod: cannot find or load object file for crc32_pclmul module mod: cannot find or load object file for dns_resolver 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 i2c_piix4 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 mod: cannot find or load object file for auth_rpcgss module MODULE NAME BASE SIZE OBJECT FILE ffffffffc0724c80 fld ffffffffc0712000 126976 /tmp/crash-anaysis.ABaf1/modules/fld.ko ffffffffc0744740 ec ffffffffc0732000 81920 /tmp/crash-anaysis.ABaf1/modules/ec.ko mod: cannot find or load object file for spl module mod: cannot find or load object file for zfs module ffffffffc1099740 libcfs ffffffffc1079000 225280 /tmp/crash-anaysis.ABaf1/modules/libcfs.ko ffffffffc118c3c0 lnet ffffffffc10b1000 1490944 /tmp/crash-anaysis.ABaf1/modules/lnet.ko ffffffffc1247900 ksocklnd ffffffffc121e000 270336 /tmp/crash-anaysis.ABaf1/modules/ksocklnd.ko ffffffffc13a8180 obdclass ffffffffc1261000 4415488 /tmp/crash-anaysis.ABaf1/modules/obdclass.ko ffffffffc19240c0 ptlrpc ffffffffc1698000 4173824 /tmp/crash-anaysis.ABaf1/modules/ptlrpc.ko ffffffffc1ae2880 ptlrpc_gss ffffffffc1a94000 524288 /tmp/crash-anaysis.ABaf1/modules/ptlrpc_gss.ko ffffffffc1b27ac0 fid ffffffffc1b15000 126976 /tmp/crash-anaysis.ABaf1/modules/fid.ko ffffffffc1b72080 lmv ffffffffc1b35000 372736 /tmp/crash-anaysis.ABaf1/modules/lmv.ko ffffffffc1c14480 osc ffffffffc1b91000 794624 /tmp/crash-anaysis.ABaf1/modules/osc.ko ffffffffc1cacb00 lov ffffffffc1c54000 552960 /tmp/crash-anaysis.ABaf1/modules/lov.ko ffffffffc1d26b80 mdc ffffffffc1cdc000 466944 /tmp/crash-anaysis.ABaf1/modules/mdc.ko ffffffffc1d6b000 mgc ffffffffc1d4f000 184320 /tmp/crash-anaysis.ABaf1/modules/mgc.ko ffffffffc1d9e5c0 obdecho ffffffffc1d7d000 225280 /tmp/crash-anaysis.ABaf1/modules/obdecho.ko ffffffffc1e6f340 lfsck ffffffffc1db5000 1081344 /tmp/crash-anaysis.ABaf1/modules/lfsck.ko ffffffffc1f3e240 lquota ffffffffc1ebe000 786432 /tmp/crash-anaysis.ABaf1/modules/lquota.ko ffffffffc1feab80 osd_zfs ffffffffc1f7f000 659456 /tmp/crash-anaysis.ABaf1/modules/osd_zfs.ko ffffffffc2084400 mgs ffffffffc2021000 626688 /tmp/crash-anaysis.ABaf1/modules/mgs.ko ffffffffc21360c0 mdd ffffffffc20bb000 745472 /tmp/crash-anaysis.ABaf1/modules/mdd.ko ffffffffc2280900 mdt ffffffffc2172000 1654784 /tmp/crash-anaysis.ABaf1/modules/mdt.ko ffffffffc23b4900 lod ffffffffc2307000 1064960 /tmp/crash-anaysis.ABaf1/modules/lod.ko ffffffffc247be40 ofd ffffffffc240c000 692224 /tmp/crash-anaysis.ABaf1/modules/ofd.ko ffffffffc2511f80 osp ffffffffc24b6000 573440 /tmp/crash-anaysis.ABaf1/modules/osp.ko ffffffffc2679780 lustre ffffffffc2543000 1925120 /tmp/crash-anaysis.ABaf1/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, 0xffff9bce859e8508) 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, 0xffff9bcfa1b27d48) 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, 0xffff9bce84a7dae8) 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, 0xffff9bcf9021d808) 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_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 4096 total debug pages from 4 CPUs to /tmp/crash-anaysis.ABaf1/lustre.bin