Thread 1 "python" received signal SIGABRT, Aborted.
__GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:51
51 ../sysdeps/unix/sysv/linux/raise.c: No such file or directory.
(gdb) bt
#0 __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:51
#1 0x00007ffff7a24801 in __GI_abort () at abort.c:79
#2 0x00007ffff58b3b58 in __wt_abort (session=0x555555db22c0) at ../src/os_common/os_abort.c:30
#3 0x00007ffff593262a in __wt_txn_rollback (session=0x555555db22c0, cfg=0x0) at ../src/txn/txn.c:1265
#4 0x00007ffff57f306b in __wt_las_insert_block (cursor=0x555555e0b550, btree=0x555555e5e950, page=0x555555e6f410, multi=0x555555f9c720, key=0x555555e6f980) at ../src/cache/cache_las.c:776
#5 0x00007ffff58e9c5e in __rec_las_wrapup (session=0x555555db6620, r=0x555555fa9ea0) at ../src/reconcile/rec_write.c:2408
#6 0x00007ffff58e9340 in __rec_write_wrapup (session=0x555555db6620, r=0x555555fa9ea0, page=0x555555e6f410) at ../src/reconcile/rec_write.c:2230
#7 0x00007ffff58e46a1 in __reconcile (session=0x555555db6620, ref=0x555555d633d0, salvage=0x0, flags=138, lookaside_retryp=0x0, page_lockedp=0x7fffffffc49a) at ../src/reconcile/rec_write.c:209
#8 0x00007ffff58e4239 in __wt_reconcile (session=0x555555db6620, ref=0x555555d633d0, salvage=0x0, flags=138, lookaside_retryp=0x0) at ../src/reconcile/rec_write.c:102
#9 0x00007ffff58780fc in __evict_review (session=0x555555db6620, ref=0x555555d633d0, evict_flags=4, inmem_splitp=0x7fffffffc58f) at ../src/evict/evict_page.c:685
#10 0x00007ffff5876070 in __wt_evict (session=0x555555db6620, ref=0x555555d633d0, previous_state=5, flags=4) at ../src/evict/evict_page.c:149
#11 0x00007ffff5875e85 in __wt_page_release_evict (session=0x555555db6620, ref=0x555555d633d0, flags=0) at ../src/evict/evict_page.c:80
#12 0x00007ffff5782ada in __wt_page_release (session=0x555555db6620, ref=0x555555d633d0, flags=0) at ../src/include/btree.i:1455
#13 0x00007ffff57832e8 in __cursor_reset (cbt=0x555555e01040) at ../src/include/cursor.i:208
#14 0x00007ffff578338b in __cursor_func_init (cbt=0x555555e01040, reenter=true) at ../src/include/cursor.i:329
#15 0x00007ffff5786793 in __btcur_update (cbt=0x555555e01040, value=0x555555e01168, modify_type=4) at ../src/btree/bt_cursor.c:1242
#16 0x00007ffff5787637 in __wt_btcur_update (cbt=0x555555e01040) at ../src/btree/bt_cursor.c:1521
#17 0x00007ffff5832c83 in __curfile_update (cursor=0x555555e01040) at ../src/cursor/cur_file.c:356

1264            /* Assert it's not an update to the lookaside file. */
1265            WT_ASSERT(
1266              session, S2C(session)->cache->las_fileid == 0 || !F_ISSET(op->btree, WT_BTREE_LOOKASIDE));