[MDEV-35678] clang-19 + CMAKE_BUILD_TYPE=Debug generates checksum failing binlogs - Jira

Details

Type: Bug
Status: Closed (View Workflow)
Priority: Major
Resolution: Incomplete
Affects Version/s: 10.5.27, 10.11.10
Fix Version/s: N/A
Component/s: Replication
Labels:
- clang

Description

***Warnings generated in error logs during shutdown after running tests: main.rpl_mysqldump_slave

2024-12-18 18:19:04 7 [ERROR] Error in Log_event::read_log_event(): 'Replication event checksum verification failed while reading from a log file', data_len: 252, event_type: 15

2024-12-18 18:19:04 6 [ERROR] Could not use ./slave-relay-bin.000002 for logging (error 11). Turning logging off for the whole duration of the MariaDB server process. To turn it on again: fix the cause, shutdown the MariaDB server and restart it.

2024-12-18 18:19:04 6 [ERROR] Slave I/O: Relay log write failure: could not queue event from master, Internal MariaDB error code: 1595

$    $CXX --version

clang version 19.1.5 (Fedora 19.1.5-1.fc41)

Target: x86_64-redhat-linux-gnu

Thread model: posix

InstalledDir: /usr/bin

Configuration file: /etc/clang/x86_64-redhat-linux-gnu-clang++.cfg

Same with pretty much any binary log related test.

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Kristian Nielsen added a comment - 2024-12-18 09:16 - edited

Hm, wasn't able to reproduce. Tried with clang 19 in debian unstable, and then again in the same quay.io/mariadb-foundation/bb-worker:fedora41 container that Daniel told me he was using:

  docker run -it --user root --rm quay.io/mariadb-foundation/bb-worker:fedora41 bash

  dnf install -y clang

  su - buildbot

  mkdir knielsen

  cd knielsen

  git clone https://github.com/MariaDB/server.git

  cd server

  git checkout 10.5

  git submodule update --init --recursive

  mkdir build

  cd build

  cmake -DCMAKE_BUILD_TYPE=Debug -DCMAKE_C_COMPILER=clang -DCMAKE_CXX_COMPILER=clang++ -DPLUGIN_{MROONGA,CONNECT,OQGRAPH,ROCKSDB}=NO ../

  /usr/bin/time cmake --build . --parallel 16

  (cd mysql-test/ && ./mtr main.rpl_mysqldump_slave)

Logging: /home/buildbot/knielsen/server/mysql-test/mysql-test-run.pl  main.rpl_mysqldump_slave

VS config:

vardir: /home/buildbot/knielsen/server/build/mysql-test/var

Removing old var directory...

Creating var directory '/home/buildbot/knielsen/server/build/mysql-test/var'...

Checking supported features...

MariaDB Version 10.5.28-MariaDB-debug

 - SSL connections supported

 - binaries are debug compiled

 - binaries built with wsrep patch

Collecting tests...

Installing system database...

==============================================================================

TEST                                      RESULT   TIME (ms) or COMMENT

--------------------------------------------------------------------------

worker[01] Using MTR_BUILD_THREAD 300, with reserved ports 19000..19029

main.rpl_mysqldump_slave 'mix'           [ pass ]    965

main.rpl_mysqldump_slave 'row'           [ pass ]   1116

main.rpl_mysqldump_slave 'stmt'          [ pass ]   1026

--------------------------------------------------------------------------

The servers were restarted 2 times

Spent 3.107 of 12 seconds executing testcases

Completed: All 3 tests were successful.

Not sure what's going on, it's somewhat concerning if there are these checksum failures, binlog checksum failures are notoriously fragile, but not sure what could be going on here?

Kristian Nielsen added a comment - 2024-12-18 09:16 - edited Hm, wasn't able to reproduce. Tried with clang 19 in debian unstable, and then again in the same quay.io/mariadb-foundation/bb-worker:fedora41 container that Daniel told me he was using: docker run -it --user root --rm quay.io/mariadb-foundation/bb-worker:fedora41 bash dnf install -y clang su - buildbot mkdir knielsen cd knielsen git clone https://github.com/MariaDB/server.git cd server git checkout 10.5 git submodule update --init --recursive mkdir build cd build cmake -DCMAKE_BUILD_TYPE=Debug -DCMAKE_C_COMPILER=clang -DCMAKE_CXX_COMPILER=clang++ -DPLUGIN_{MROONGA,CONNECT,OQGRAPH,ROCKSDB}=NO ../ /usr/bin/time cmake --build . --parallel 16 (cd mysql-test/ && ./mtr main.rpl_mysqldump_slave) Logging: /home/buildbot/knielsen/server/mysql-test/mysql-test-run.pl main.rpl_mysqldump_slave VS config: vardir: /home/buildbot/knielsen/server/build/mysql-test/var Removing old var directory... Creating var directory '/home/buildbot/knielsen/server/build/mysql-test/var'... Checking supported features... MariaDB Version 10.5.28-MariaDB-debug - SSL connections supported - binaries are debug compiled - binaries built with wsrep patch Collecting tests... Installing system database... ============================================================================== TEST RESULT TIME (ms) or COMMENT -------------------------------------------------------------------------- worker[01] Using MTR_BUILD_THREAD 300, with reserved ports 19000..19029 main.rpl_mysqldump_slave 'mix' [ pass ] 965 main.rpl_mysqldump_slave 'row' [ pass ] 1116 main.rpl_mysqldump_slave 'stmt' [ pass ] 1026 -------------------------------------------------------------------------- The servers were restarted 2 times Spent 3.107 of 12 seconds executing testcases Completed: All 3 tests were successful. Not sure what's going on, it's somewhat concerning if there are these checksum failures, binlog checksum failures are notoriously fragile, but not sure what could be going on here?

Sergei Golubchik added a comment - 2024-12-19 20:43

in buildbot? link?

Sergei Golubchik added a comment - 2024-12-19 20:43 in buildbot? link?

People

Assignee:: Unassigned

Reporter:: Daniel Black

Votes:: 0 Vote for this issue

Watchers:: 4 Start watching this issue

Dates

Created:: 2024-12-18 07:32

Updated:: 2025-01-20 08:33

Resolved:: 2025-01-20 08:33

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