Package: munin-plugins-core
Version: 2.0.76-1~bpo12+1
Severity: important

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Dear Maintainer,

we are running debian 12 with mariadb-server version 1:10.11.11-0+deb12u1. munin-plugins-core is at 2.0.76-1~bpo12+1

Output of SHOW ENGINE INNODB STATUS; contains this section, which is lacking newline
- ------------------------
LATEST FOREIGN KEY ERROR
- ------------------------
2025-05-15 03:30:03 0x7fb440c0d6c0 Error in foreign key constraint of table `db`.`user_acl`:
Alter table `db`.`user_acl` with foreign key `user` constraint failed. Referenced table `db`.`user` not found in the data dictionary.------------
TRANSACTIONS
- ------------
Trx id counter 12112974616
Purge done for trx's n:o < 12112974486 undo n:o < 0 state: running
History list length 7

Thus breaking parsing of mysql_ plugin.
I have created this patch, which fixed it for us

diff -ur a/mysql_ b/mysql_
- --- a/mysql_ 2024-05-28 17:37:27.000000000 +0200
+++ b/mysql_ 2025-05-15 15:22:54.401920864 +0200
@@ -1351,6 +1351,9 @@
# remove non-standard (and useless) "---OLDEST VIEW---" section, as it breaks the plugin
s{^---OLDEST VIEW---\v.*?^-----------------\v}{}ms;

+ s{\.------------}{.\n------------}mg;
+
+
# Add a dummy section to the end in case the innodb status output
# has been truncated (Happens for status > 64K characters)
$_ .= "\n----------\nDUMMY\n";

Should this be reported upstream?

Thanks,
Libor


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- -- System Information:
Debian Release: trixie/sid
APT prefers testing
APT policy: (500, 'testing')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 6.12.25-amd64 (SMP w/12 CPU threads; PREEMPT)
Kernel taint flags: TAINT_USER, TAINT_OOT_MODULE
Locale: LANG=cs_CZ.UTF-8, LC_CTYPE=cs_CZ.UTF-8 (charmap=UTF-8), LANGUAGE not set
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled

Versions of packages munin-plugins-core depends on:
pn munin-common <none>
ii perl 5.40.1-3

Versions of packages munin-plugins-core recommends:
pn libnet-snmp-perl <none>

Versions of packages munin-plugins-core suggests:
ii acpi 1.8-1
pn conntrack <none>
pn default-mysql-client <none>
ii ethtool 1:6.14-2
ii hdparm 9.65+ds-1.1
pn libcache-cache-perl <none>
ii libdbd-mysql-perl 4.053-1
pn libdbd-pg-perl <none>
ii libhttp-date-perl 6.06-1
pn liblwp-useragent-determined-perl <none>
ii libnet-dns-perl 1.50-1
ii libnet-ip-perl 1.26-4
pn libnet-irc-perl <none>
pn libnet-ldap-perl <none>
ii libnet-netmask-perl 2.0002-2
pn libnet-telnet-perl <none>
ii libwww-perl 6.78-1
ii libxml-parser-perl 2.47-1+b3
pn libxml-simple-perl <none>
ii lm-sensors 1:3.6.2-2
pn logtail <none>
ii net-tools 2.10-1.1
ii python3 3.13.3-1
ii ruby 1:3.3+b1
ii smartmontools 7.4-3

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