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.bL1PS/vmlinux [TAINTED] DUMPFILE: /exports/testreports/68838/testresults/sanity-lfsck-zfs-rocky8.10_x86_64-rocky8.10_x86_64/oleg611-server-vmcore [PARTIAL DUMP] CPUS: 4 DATE: Thu Aug 27 05:20:46 EDT 2026 UPTIME: 00:42:17 LOAD AVERAGE: 1.71, 1.69, 1.64 TASKS: 350 NODENAME: oleg611-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: 82219 COMMAND: "ll_ost_io00_000" TASK: ffff98951437a7c0 [THREAD_INFO: ffff98951437a7c0] 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_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 crc32_pclmul 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 intel_rapl_msr module mod: cannot find or load object file for pcspkr 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 serio_raw 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 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 mod: cannot find or load object file for auth_rpcgss module MODULE NAME BASE SIZE OBJECT FILE ffffffffc0578740 ec ffffffffc0566000 81920 /tmp/crash-anaysis.bL1PS/modules/ec.ko mod: cannot find or load object file for spl module mod: cannot find or load object file for zfs module ffffffffc0ecd740 libcfs ffffffffc0ead000 225280 /tmp/crash-anaysis.bL1PS/modules/libcfs.ko ffffffffc0fc03c0 lnet ffffffffc0ee5000 1490944 /tmp/crash-anaysis.bL1PS/modules/lnet.ko ffffffffc107b900 ksocklnd ffffffffc1052000 270336 /tmp/crash-anaysis.bL1PS/modules/ksocklnd.ko ffffffffc11d9840 obdclass ffffffffc1095000 4399104 /tmp/crash-anaysis.bL1PS/modules/obdclass.ko ffffffffc17540c0 ptlrpc ffffffffc14c8000 4173824 /tmp/crash-anaysis.bL1PS/modules/ptlrpc.ko ffffffffc1912880 ptlrpc_gss ffffffffc18c4000 524288 /tmp/crash-anaysis.bL1PS/modules/ptlrpc_gss.ko ffffffffc1957c80 fld ffffffffc1945000 126976 /tmp/crash-anaysis.bL1PS/modules/fld.ko ffffffffc1977ac0 fid ffffffffc1965000 126976 /tmp/crash-anaysis.bL1PS/modules/fid.ko ffffffffc19c2080 lmv ffffffffc1985000 372736 /tmp/crash-anaysis.bL1PS/modules/lmv.ko ffffffffc1a61d00 osc ffffffffc19e1000 778240 /tmp/crash-anaysis.bL1PS/modules/osc.ko ffffffffc1af8a00 lov ffffffffc1aa0000 552960 /tmp/crash-anaysis.bL1PS/modules/lov.ko ffffffffc1b72b80 mdc ffffffffc1b28000 466944 /tmp/crash-anaysis.bL1PS/modules/mdc.ko ffffffffc1bb7000 mgc ffffffffc1b9b000 184320 /tmp/crash-anaysis.bL1PS/modules/mgc.ko ffffffffc1bea5c0 obdecho ffffffffc1bc9000 225280 /tmp/crash-anaysis.bL1PS/modules/obdecho.ko ffffffffc1cbb200 lfsck ffffffffc1c01000 1081344 /tmp/crash-anaysis.bL1PS/modules/lfsck.ko ffffffffc1d8a240 lquota ffffffffc1d0a000 786432 /tmp/crash-anaysis.bL1PS/modules/lquota.ko ffffffffc1e35ac0 osd_zfs ffffffffc1dcb000 655360 /tmp/crash-anaysis.bL1PS/modules/osd_zfs.ko ffffffffc1ecf400 mgs ffffffffc1e6c000 626688 /tmp/crash-anaysis.bL1PS/modules/mgs.ko ffffffffc1f81080 mdd ffffffffc1f06000 745472 /tmp/crash-anaysis.bL1PS/modules/mdd.ko ffffffffc20cb840 mdt ffffffffc1fbd000 1654784 /tmp/crash-anaysis.bL1PS/modules/mdt.ko ffffffffc21fd480 lod ffffffffc2152000 1052672 /tmp/crash-anaysis.bL1PS/modules/lod.ko ffffffffc22c2c00 ofd ffffffffc2254000 688128 /tmp/crash-anaysis.bL1PS/modules/ofd.ko ffffffffc2358f80 osp ffffffffc22fd000 573440 /tmp/crash-anaysis.bL1PS/modules/osp.ko ffffffffc24be6c0 lustre ffffffffc238a000 1912832 /tmp/crash-anaysis.bL1PS/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, 0xffff989605797b28) 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 2140 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, 0xffff98961213d208) 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 2299 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, 0xffff98961144dd48) 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 2530 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, 0xffff98961213dda8)