Ok, using latest makedumpfile (1.7.7+) in combination with latest crash
now works:
crash 9.0.0++
<snip>
KERNEL: vmlinux-6.14.0-29-generic
DUMPFILE: dump.202509221613 [PARTIAL DUMP]
CPUS: 2
DATE: Thu Jan 1 01:00:00 CET 1970
UPTIME: 00:04:43
LOAD AVERAGE: 0.05, 0.04, 0.01
TASKS: 140
NODENAME: ubuntu-noble
RELEASE: 6.14.0-29-generic
VERSION: #29~24.04.1-Ubuntu SMP PREEMPT_DYNAMIC Thu Aug 14 16:52:50 UTC 2
MACHINE: x86_64 (3792 Mhz)
MEMORY: 4 GB
PANIC: "Kernel panic - not syncing: sysrq triggered crash"
PID: 1134
COMMAND: "bash"
TASK: ffff9f1648973080 [THREAD_INFO: ffff9f1648973080]
CPU: 0
STATE: TASK_RUNNING (PANIC)
New makedumpfile with old crash 8.0.4 is also no good. So we need to
update both crash and makedumpfile. Sigh.
** Also affects: makedumpfile (Ubuntu)
Importance: Undecided
Status: New
** Changed in: crash (Ubuntu)
Status: New => Confirmed
** Changed in: makedumpfile (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/2125145
Title:
Crash utility exits with error code 1 when analyzing kernel crash
Status in crash package in Ubuntu:
Confirmed
Status in makedumpfile package in Ubuntu:
Confirmed
Bug description:
24.04 LTS,
Linux 6.14.0-29-generic #29~24.04.1-Ubuntu SMP PREEMPT_DYNAMIC Thu Aug 14
16:52:50 UTC 2 x86_64 x86_64 x86_64 GNU/Linux
Problem Description:
crash utility is crashing (error code 1) when attempting to analyze kernel
crash dumps.
Setup kdump & generated kernel panic using “echo 1 >
/proc/sys/kernel/sysrq” but, crash cannot access it:
# crash /usr/lib/debug/boot/vmlinux-6.14.0-29-generic
dump.202509161821
crash 8.0.4
Copyright (C) 2002-2022 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, 2020-2022 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.
GNU gdb (GDB) 10.2
Copyright (C) 2021 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
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:
<http://www.gnu.org/software/gdb/documentation/>.
For help, type "help".
Type "apropos word" to search for commands related to "word"...
# echo $?
1
running as root user and file is readable fine:
$ :/var/crash/202509161821# ls -l
total 299144
-rw------- 1 root whoopsie 119627 Sep 16 18:21 dmesg.202509161821
-rw-r--r-- 1 root whoopsie 306200163 Sep 16 18:21 dump.202509161821
symbol file is there:
# ls -l /usr/lib/debug/boot/vmlinux-6.14.0-29-generic*
-rw-r--r-- 1 root root 450705920 Aug 14 18:02
/usr/lib/debug/boot/vmlinux-6.14.0-29-generic
tail of strace:
14:06:20.661240 rt_sigaction(SIGPIPE, {sa_handler=SIG_IGN, sa_mask=[],
sa_flags=SA_RESTORER|SA_NODEFER, sa_restorer=0x7b0841845330}, NULL, 8) = 0
<0.000008>
14:06:20.661281 rt_sigaction(SIGINT, {sa_handler=0x5ec383cbceb0, sa_mask=[],
sa_flags=SA_RESTORER|SA_NODEFER, sa_restorer=0x7b0841845330}, NULL, 8) = 0
<0.000008>
14:06:20.661322 rt_sigaction(SIGSEGV, {sa_handler=SIG_DFL, sa_mask=[],
sa_flags=SA_RESTORER|SA_NODEFER, sa_restorer=0x7b0841845330}, NULL, 8) = 0
<0.000008>
14:06:20.661360 write(1, "\n", 1
) = 1 <0.000119>
14:06:20.661579 lseek(3, 10312, SEEK_SET) = 10312 <0.000010>
14:06:20.661617 read(3, "OSRELEASE=6.14.0-29-generic\nBUIL"..., 3276) = 3276
<0.000011>
14:06:20.661748 unlink("/var/tmp/ramdump_elf_XXXXXX") = -1 ENOENT (No such
file or directory) <0.002921>
14:06:20.664817 exit_group(1) = ?
14:06:20.690105 +++ exited with 1 +++
full crash strace https://filebin.net/custom-bin/crash.strace.1
ProblemType: Bug
DistroRelease: Ubuntu 24.04
Package: crash 8.0.4-1ubuntu2
ProcVersionSignature: Ubuntu 6.14.0-29.29~24.04.1-generic 6.14.8
Uname: Linux 6.14.0-29-generic x86_64
ApportVersion: 2.28.1-0ubuntu3.8
Architecture: amd64
CasperMD5CheckResult: pass
Date: Thu Sep 18 20:21:26 2025
InstallationDate: Installed on 2025-09-04 (14 days ago)
InstallationMedia: Ubuntu 24.04.2 LTS "Noble Numbat" - Release amd64
(20250215)
ProcEnviron:
LANG=en_US.UTF-8
PATH=(custom, no user)
SHELL=/bin/bash
TERM=xterm-256color
SourcePackage: crash
UpgradeStatus: No upgrade log present (probably fresh install)
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