Major - P3 test/format detected a snapshot isolation mismatch failure and the code to dump the current page segfaulted while doing that dump.
http://build.wiredtiger.com:8080/job/wiredtiger-test-format-stress-zseries/50147/
The stack:
Backtrace: /mnt/workspace/wiredtiger-test-format-stress-zseries/build_posix/../src/btree/bt_debug.c:783(__debug_page_metadata)[0x80020a8a] /mnt/workspace/wiredtiger-test-format-stress-zseries/build_posix/../src/btree/bt_debug.c:736 (discriminator 2)(__debug_page)[0x80020788] /mnt/workspace/wiredtiger-test-format-stress-zseries/build_posix/../src/btree/bt_debug.c:678(__wt_debug_page)[0x800204ac] /mnt/workspace/wiredtiger-test-format-stress-zseries/build_posix/../src/btree/bt_debug.c:697(__wt_debug_cursor_page)[0x800205a8] /mnt/workspace/wiredtiger-test-format-stress-zseries/build_posix/test/format/../../../test/format/snap.c:197(snap_verify)[0x80011ef8] /mnt/workspace/wiredtiger-test-format-stress-zseries/build_posix/test/format/../../../test/format/snap.c:388(snap_repeat_txn)[0x80012762] /mnt/workspace/wiredtiger-test-format-stress-zseries/build_posix/test/format/../../../test/format/ops.c:946(ops)[0x8000c9f8]
