mariabackup: error: The log was only applied up to LSN 6960795, instead of 6960845

# 2026-03-30T08:15:25 [2181718] | [00] 2026-03-30 08:15:25 mariabackup: error: The log was only applied up to LSN 6960795, instead of 6960845

cd /tmp/repro_crash

# Cleanup

rm -rf backup_*

# Copy backups (0 → 10)

for i in {0..10}; do

  cp -r /data/results/1774850766/TBR-2398/1/backup_before_prepare_$i ./backup_$i

done

# Step 1: Prepare full backup

/Server_bin/MDEV-37949D_debug_Og/bin/mariadb-backup \

  --prepare --target-dir=./backup_0

# Step 2+: Apply incrementals (expected error here)

for i in {1..10}; do

  echo "👉 Applying incremental $i"

  /Server_bin/MDEV-37949D_debug_Og/bin/mariadb-backup \

    --prepare --target-dir=./backup_0 --incremental-dir=./backup_$i

done

# $RQG_HOME/rqg.pl \

# --gendata=conf/mariadb/table_stress.zz \

# --gendata_sql=conf/mariadb/table_stress.sql \

# --grammar=conf/mariadb/table_stress_innodb_dml.yy \

# --reporters=MariabackupIncremental_linux \

# --mysqld=--loose-innodb-log-file-size=300M \

# --mysqld=--loose-innodb_lock_schedule_algorithm=fcfs \

# --mysqld=--loose-idle_write_transaction_timeout=0 \

# --mysqld=--loose-idle_transaction_timeout=0 \

# --mysqld=--loose-idle_readonly_transaction_timeout=0 \

# --mysqld=--connect_timeout=60 \

# --mysqld=--interactive_timeout=28800 \

# --mysqld=--slave_net_timeout=60 \

# --mysqld=--net_read_timeout=30 \

# --mysqld=--net_write_timeout=60 \

# --mysqld=--loose-table_lock_wait_timeout=50 \

# --mysqld=--wait_timeout=28800 \

# --no_mask \

# --queries=10000000 \

# --seed=random \

# --reporters=None \

# --reporters=ErrorLog \

# --reporters=Deadlock \

# --validators=None \

# --mysqld=--log_output=none \

# --mysqld=--log_bin_trust_function_creators=1 \

# --mysqld=--loose-debug_assert_on_not_freed_memory=0 \

# --engine=InnoDB \

# --restart_timeout=240 \

# --mysqld=--plugin-load-add=file_key_management.so \

# --mysqld=--loose-file-key-management-filename=$RQG_HOME/conf/mariadb/encryption_keys.txt \

# --mysqld=--plugin-load-add=provider_lzo.so \

# --mysqld=--plugin-load-add=provider_bzip2.so \

# --mysqld=--plugin-load-add=provider_lzma.so \

# --mysqld=--plugin-load-add=provider_snappy.so \

# --mysqld=--plugin-load-add=provider_lz4.so \

# --mysqld=--loose-innodb_compression_level=1 \

# --duration=300 \

# --mysqld=--loose-innodb_fatal_semaphore_wait_threshold=300 \

# --mysqld=--lock-wait-timeout=15 \

# --mysqld=--innodb-lock-wait-timeout=10 \

# --mysqld=--sql_mode=traditional \

# --mysqld=--innodb_file_per_table=1 \

# --mysqld=--loose-innodb_read_only_compressed=OFF \

# --mysqld=--loose-innodb-sync-debug \

# --mysqld=--innodb_stats_persistent=off \

# --mysqld=--innodb_adaptive_hash_index=on \

# --mysqld=--innodb_random_read_ahead=ON \

# --mysqld=--innodb_read_ahead_threshold=0 \

# --mysqld=--log-bin \

# --mysqld=--sync-binlog=1 \

# --mysqld=--loose-innodb_evict_tables_on_commit_debug=off \

# --mysqld=--loose-max-statement-time=30 \

# --threads=1 \

# --rr=Extended \

# --rr_options=--wait \

# --mysqld=--innodb_undo_log_truncate=OFF \

# --mysqld=--innodb_undo_tablespaces=16 \

# --mysqld=--innodb_rollback_on_timeout=OFF \

# --mysqld=--innodb_page_size=16K \

# --mysqld=--innodb-buffer-pool-size=8M \

# --vardir_type=fast \

# --no_mask \

# --batch \

# --basedir1=/Server_bin/MDEV-37949D_debug_Og \

# --basedir2=/Server_bin/MDEV-37949D_debug_Og \

# --script_debug=_nix_ \

# --major_runid=1774850766 \

# --minor_runid=147