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.LM25m/vmlinux [TAINTED] DUMPFILE: /exports/testreports/52899/testresults/sanity-pfl-zfs-centos7_x86_64-centos7_x86_64-retry4/oleg239-client-vmcore [PARTIAL DUMP] CPUS: 4 DATE: Sun Jun 22 07:20:17 EDT 2025 UPTIME: 00:03:48 LOAD AVERAGE: 0.75, 0.43, 0.17 TASKS: 159 NODENAME: oleg239-client.virtnet RELEASE: 3.10.0-7.9-debug VERSION: #1 SMP Sat Mar 26 23:28:42 EDT 2022 MACHINE: x86_64 (2399 Mhz) MEMORY: 4 GB PANIC: "Kernel panic - not syncing: LBUG" PID: 18704 COMMAND: "md5sum" TASK: ffff8800a9283330 [THREAD_INFO: ffff8800a8a2c000] 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 libata module mod: cannot find or load object file for ata_piix module mod: cannot find or load object file for ata_generic module mod: cannot find or load object file for crc32c_intel module mod: cannot find or load object file for serio_raw module mod: cannot find or load object file for pata_acpi module mod: cannot find or load object file for crct10dif_pclmul module mod: cannot find or load object file for mbcache module mod: cannot find or load object file for ip_tables module mod: cannot find or load object file for binfmt_misc module mod: cannot find or load object file for crct10dif_common module mod: cannot find or load object file for jbd2 module mod: cannot find or load object file for ext4 module mod: cannot find or load object file for pcspkr module mod: cannot find or load object file for ghash_clmulni_intel module mod: cannot find or load object file for glue_helper module mod: cannot find or load object file for iosf_mbi module mod: cannot find or load object file for lrw module mod: cannot find or load object file for gf128mul module mod: cannot find or load object file for cryptd module mod: cannot find or load object file for i2c_core 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 crc_t10dif module mod: cannot find or load object file for crc32_pclmul module mod: cannot find or load object file for irqbypass module mod: cannot find or load object file for ablk_helper module mod: cannot find or load object file for aesni_intel module mod: cannot find or load object file for kvm module mod: cannot find or load object file for crct10dif_generic 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 edac_core module MODULE NAME BASE SIZE OBJECT FILE ffffffffa02c13e0 libcfs ffffffffa02b2000 96367 /tmp/crash-anaysis.LM25m/modules/libcfs.ko ffffffffa02d9220 fid ffffffffa02cb000 85110 /tmp/crash-anaysis.LM25m/modules/fid.ko ffffffffa037c000 lnet ffffffffa02e8000 942814 /tmp/crash-anaysis.LM25m/modules/lnet.ko ffffffffa03de760 fld ffffffffa03d0000 88631 /tmp/crash-anaysis.LM25m/modules/fld.ko ffffffffa041e8a0 ksocklnd ffffffffa0401000 173659 /tmp/crash-anaysis.LM25m/modules/ksocklnd.ko ffffffffa0465a20 ptlrpc_gss ffffffffa042d000 337059 /tmp/crash-anaysis.LM25m/modules/ptlrpc_gss.ko ffffffffa04ac7a0 lmv ffffffffa0481000 234955 /tmp/crash-anaysis.LM25m/modules/lmv.ko ffffffffa04eece0 mdc ffffffffa04bc000 281408 /tmp/crash-anaysis.LM25m/modules/mdc.ko mod: cannot find or load object file for kvm_intel module ffffffffa0626420 obdclass ffffffffa0543000 2791812 /tmp/crash-anaysis.LM25m/modules/obdclass.ko ffffffffa09b2b00 ptlrpc ffffffffa07ee000 2649057 /tmp/crash-anaysis.LM25m/modules/ptlrpc.ko ffffffffa0ac85a0 osc ffffffffa0a76000 455677 /tmp/crash-anaysis.LM25m/modules/osc.ko ffffffffa0b24b20 lov ffffffffa0ae7000 346301 /tmp/crash-anaysis.LM25m/modules/lov.ko ffffffffa0b64d60 mgc ffffffffa0b51000 114985 /tmp/crash-anaysis.LM25m/modules/mgc.ko ffffffffa0b871e0 obdecho ffffffffa0b6f000 147541 /tmp/crash-anaysis.LM25m/modules/obdecho.ko ffffffffa0c2abc0 lfsck ffffffffa0b95000 772474 /tmp/crash-anaysis.LM25m/modules/lfsck.ko ffffffffa0cc9320 lquota ffffffffa0c75000 464425 /tmp/crash-anaysis.LM25m/modules/lquota.ko ffffffffa0d48aa0 mgs ffffffffa0d02000 389169 /tmp/crash-anaysis.LM25m/modules/mgs.ko ffffffffa0dc0f40 mdd ffffffffa0d63000 503096 /tmp/crash-anaysis.LM25m/modules/mdd.ko ffffffffa0e9edc0 mdt ffffffffa0ddf000 1051812 /tmp/crash-anaysis.LM25m/modules/mdt.ko ffffffffa0f915e0 lod ffffffffa0f18000 660686 /tmp/crash-anaysis.LM25m/modules/lod.ko ffffffffa1025320 ofd ffffffffa0fdd000 395574 /tmp/crash-anaysis.LM25m/modules/ofd.ko ffffffffa107f2c0 osp ffffffffa103f000 358667 /tmp/crash-anaysis.LM25m/modules/osp.ko ffffffffa116c5c0 lustre ffffffffa1098000 1155184 /tmp/crash-anaysis.LM25m/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, 0xffff8800b6f78108) 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, 0xffff8800b3a2b788) 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, 0xffff8800a87cfc48) 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, 0xffff8800b396c408) 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, 0xffff8800b6f78ee8) 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 1 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, 0xffff8800b396c4a8) 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 1 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, 0xffff8800b3e760a8) 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 1 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 4099 total debug pages from 4 CPUs to /tmp/crash-anaysis.LM25m/lustre.bin