Noble amd64 verification
========================
Current packages (not -proposed)
--------------------------------
root@noble-crash-sru-verification:~# dpkg -l | grep makedumpfile
ii makedumpfile 1:1.7.5-1
amd64 VMcore extraction tool
root@noble-crash-sru-verification:~# dpkg -l | grep crash
ii crash 8.0.4-1ubuntu2
amd64 kernel debugging utility, allowing gdb like syntax
root@noble-crash-sru-verification:~# dpkg -l | grep linux-image
ii linux-image-6.14.0-37-generic 6.14.0-37.37~24.04.1
amd64 Signed kernel image generic
root@noble-crash-sru-verification:~# uname -r
6.14.0-37-generic
Generate and open a coredump
root@noble-crash-sru-verification:~# echo c | tee /proc/sysrq-trigger
root@noble-crash-sru-verification:~# crash
/usr/lib/debug/boot/vmlinux-6.14.0-37-generic
/var/crash/202601261547/dump.202601261547
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"...
root@noble-crash-sru-verification:~#
# Crash program immediately exited
Enable -proposed
-proposed crash with -updates makedumpfile
------------------------------------------
root@noble-crash-sru-verification:~# apt install crash=8.0.4-1ubuntu2.1
root@noble-crash-sru-verification:~# dpkg -l | grep crash
ii crash 8.0.4-1ubuntu2.1
amd64 kernel debugging utility, allowing gdb like syntax
Try to open the coredump (expect failure)
root@noble-crash-sru-verification:~# crash
/usr/lib/debug/boot/vmlinux-6.14.0-37-generic
/var/crash/202601261547/dump.202601261547
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"...
please wait... (gathering task table data)
crash: page excluded: kernel virtual address: ffff8e06862b0dd8 type:
"xa_node.slots[off]"
root@noble-crash-sru-verification:~#
# Crash immediately exited again because makedumpfile generated a bad
coredump
-proposed makedumpfile with -updates crash
------------------------------------------
root@noble-crash-sru-verification:~# apt install makedumpfile=1:1.7.5-1ubuntu1
root@noble-crash-sru-verification:~# apt install crash=8.0.4-1ubuntu2 # To not
use the -proposed crash
Regenerate coredump and try to open (expect failure)
root@noble-crash-sru-verification:~# echo c | tee /proc/sysrq-trigger
root@noble-crash-sru-verification:~# crash
/usr/lib/debug/boot/vmlinux-6.14.0-37-generic
/var/crash/202601261558/dump.202601261558
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"...
WARNING: cannot read linux_banner string
crash: /usr/lib/debug/boot/vmlinux-6.14.0-37-generic and
/var/crash/202601261558/dump.202601261558 do not match!
Usage:
crash [OPTION]... NAMELIST MEMORY-IMAGE[@ADDRESS] (dumpfile form)
crash [OPTION]... [NAMELIST] (live system form)
Enter "crash -h" for details.
root@noble-crash-sru-verification:~#
# Immediate exit since crash cannot read the newer makedumpfile
-proposed crash and -proposed makedumpfile
------------------------------------------
root@noble-crash-sru-verification:~# apt install crash=8.0.4-1ubuntu2.1
root@noble-crash-sru-verification:~# crash
/usr/lib/debug/boot/vmlinux-6.14.0-37-generic
/var/crash/202601261558/dump.202601261558
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"...
KERNEL: /usr/lib/debug/boot/vmlinux-6.14.0-37-generic
DUMPFILE: /var/crash/202601261558/dump.202601261558 [PARTIAL DUMP]
CPUS: 1
DATE: Thu Jan 1 00:00:00 UTC 1970
UPTIME: 00:10:33
LOAD AVERAGE: 0.00, 0.10, 0.08
TASKS: 150
NODENAME: noble-crash-sru-verification
RELEASE: 6.14.0-37-generic
VERSION: #37~24.04.1-Ubuntu SMP PREEMPT_DYNAMIC Thu Nov 20 10:25:38 UTC 2
MACHINE: x86_64 (4291 Mhz)
MEMORY: 8 GB
PANIC: "Kernel panic - not syncing: sysrq triggered crash"
PID: 1921
COMMAND: "tee"
TASK: ffff8d61494c3080 [THREAD_INFO: ffff8d61494c3080]
CPU: 0
STATE: TASK_RUNNING (PANIC)
crash>
crash> files
PID: 1921 TASK: ffff8d61494c3080 CPU: 0 COMMAND: "tee"
ROOT: / CWD: /root
FD FILE DENTRY INODE TYPE PATH
0 ffff8d6147e629c0 ffff8d618ab16600 ffff8d61931e2290 FIFO
1 ffff8d614a0f2540 ffff8d618ab29480 ffff8d618afea9f8 CHR /dev/pts/0
2 ffff8d614a0f2540 ffff8d618ab29480 ffff8d618afea9f8 CHR /dev/pts/0
3 ffff8d614687e540 ffff8d618ab166c0 ffff8d6140640b48 REG /proc/sysrq-trigger
crash> vm
PID: 1921 TASK: ffff8d61494c3080 CPU: 0 COMMAND: "tee"
MM PGD RSS TOTAL_VM
ffff8d6146568580 ffff8d61494e4000 1980k 6120k
VMA START END FLAGS FILE
ffff8d6141753c38 55f7f7b55000 55f7f7b57000 8000071 /usr/bin/tee
ffff8d6141753450 55f7f7b57000 55f7f7b5c000 8000075 /usr/bin/tee
...
crash> mount
MOUNT SUPERBLK TYPE DEVNAME DIRNAME
ffff8d61402e3800 ffff8d61403c2000 rootfs rootfs /
ffff8d6140317200 ffff8d614135a800 sysfs sysfs /sys
ffff8d6140316180 ffff8d61497f3000 proc proc /proc
...
Passes on Noble amd64
--
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Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/2125145
Title:
[SRU] Makedumpfile: Errors and Page Exclusions When Opening Kernel
Crashdump Files Generated on the Latest HWE Kernel
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