Major - P3 test/format stress job ran into snapshot isolation search mismatch failure and dumped a core, on margay-aws.
http://build.wiredtiger.com:8080/job/wiredtiger-test-format-stress/71305/
++ nice catchsegv ./t -1 -c ../../../test/format/CONFIG.stress
snapshot-isolation 0000245239.00/opqr search mismatch
expected {0000957453/LMNOPQRSTU}
found {0000245239/LMNOPQRSTUVWXYZABCDEFGHI}
t: process 24065
(...)
Backtrace:
/lib/x86_64-linux-gnu/libc.so.6(gsignal+0xc7)[0x7fd4b70fce97]
/lib/x86_64-linux-gnu/libc.so.6(abort+0x141)[0x7fd4b70fe801]
/mnt/data0/jenkins/workspace/wiredtiger-test-format-stress/build_posix/test/utility/../../../test/utility/misc.c:75(testutil_set_progname)[0x413f4d]
/mnt/data0/jenkins/workspace/wiredtiger-test-format-stress/build_posix/test/format/../../../test/format/snap.c:208(snap_verify)[0x40dab2]
/mnt/data0/jenkins/workspace/wiredtiger-test-format-stress/build_posix/test/format/../../../test/format/snap.c:490(snap_repeat_single)[0x40e27b]
/mnt/data0/jenkins/workspace/wiredtiger-test-format-stress/build_posix/test/format/../../../test/format/ops.c:711(ops)[0x408c37]
/lib/x86_64-linux-gnu/libpthread.so.0(+0x76db)[0x7fd4b7af76db]
/lib/x86_64-linux-gnu/libc.so.6(clone+0x3f)[0x7fd4b71df88f]
The configuration:
############################################ # RUN PARAMETERS ############################################ abort=0 alter=0 assert_commit_timestamp=0 assert_read_timestamp=0 auto_throttle=0 backups=1 bitcnt=3 bloom=1 bloom_bit_count=26 bloom_hash_count=26 bloom_oldest=0 cache=108 cache_minimum=20 checkpoints=wiredtiger checkpoint_log_size=66 checkpoint_wait=60 checksum=uncompressed chunk_size=10 compaction=0 compression=none data_extend=0 data_source=file delete_pct=87 dictionary=0 direct_io=0 encryption=rotn-7 evict_max=4 file_type=row-store firstfit=0 huffman_key=0 huffman_value=0 independent_thread_rng=0 in_memory=0 insert_pct=4 internal_key_truncation=1 internal_page_max=16 isolation=snapshot key_gap=20 key_max=53 key_min=10 leaf_page_max=13 leak_memory=0 logging=0 logging_archive=1 logging_compression=none logging_file_max=146428 logging_prealloc=1 long_running_txn=0 lsm_worker_threads=3 memory_page_max=9 merge_max=14 mmap=1 modify_pct=4 ops=0 prefix_compression=0 prefix_compression_min=6 prepare=0 quiet=1 read_pct=1 rebalance=1 repeat_data_pct=39 reverse=0 rows=1000000 runs=1 salvage=1 split_pct=66 statistics=0 statistics_server=0 threads=6 timer=4 timing_stress_aggressive_sweep=0 timing_stress_checkpoint=0 timing_stress_lookaside_sweep=0 timing_stress_split_1=0 timing_stress_split_2=0 timing_stress_split_3=1 timing_stress_split_4=0 timing_stress_split_5=0 timing_stress_split_6=0 timing_stress_split_7=0 timing_stress_split_8=0 transaction_timestamps=1 transaction-frequency=100 truncate=1 value_max=1332 value_min=18 verify=1 wiredtiger_config= write_pct=4 ############################################