[Noah Misch <noah@leadboat.com>]

On Fri, Feb 23, 2024 at 04:27:34PM +0200, Heikki Linnakangas wrote:
> Committed this. Thanks everyone!

https://buildfarm.postgresql.org/cgi-bin/show_log.pl?nm=mandrill&dt=2024-02-24%2015%3A13%3A14 got:
TRAP: failed Assert("(uintptr_t) buffer == TYPEALIGN(PG_IO_ALIGN_SIZE, buffer)"), File: "md.c", Line: 472, PID: 43188608

with this stack trace:
#5  0x10005cf0 in ExceptionalCondition (conditionName=0x1015d790 <XLogBeginInsert+80> "`", fileName=0x0, lineNumber=16780064) at assert.c:66
#6  0x102daba8 in mdextend (reln=0x1042628c <PageSetChecksumInplace+44>, forknum=812540744, blocknum=33, buffer=0x306e6000, skipFsync=812539904) at md.c:472
#7  0x102d6760 in smgrextend (reln=0x306e6670, forknum=812540744, blocknum=33, buffer=0x306e6000, skipFsync=812539904) at smgr.c:541
#8  0x104c8dac in smgr_bulk_flush (bulkstate=0x306e6000) at bulk_write.c:245
#9  0x107baf24 in _bt_blwritepage (wstate=0x100d0a14 <datum_image_eq@AF65_7+404>, buf=0x304f13b0, blkno=807631240) at nbtsort.c:638
#10 0x107bccd8 in _bt_buildadd (wstate=0x104c9384 <smgr_bulk_start_rel+132>, state=0x304eb190, itup=0xe10, truncextra=805686672) at nbtsort.c:984
#11 0x107bc86c in _bt_sort_dedup_finish_pending (wstate=0x3b6, state=0x19, dstate=0x3) at nbtsort.c:1036
#12 0x107bc188 in _bt_load (wstate=0x10, btspool=0x0, btspool2=0x0) at nbtsort.c:1331
#13 0x107bd4ec in _bt_leafbuild (btspool=0x101589fc <ProcessInvalidationMessages+188>, btspool2=0x0) at nbtsort.c:571
#14 0x107be028 in btbuild (heap=0x304d2a00, index=0x4e1f, indexInfo=0x3) at nbtsort.c:329
#15 0x1013538c in index_build (heapRelation=0x2, indexRelation=0x10bdc518 <getopt_long+2464664>, indexInfo=0x2, isreindex=10, parallel=false) at index.c:3047
#16 0x101389e0 in index_create (heapRelation=0x1001aac0 <palloc+192>, indexRelationName=0x20 <error: Cannot access memory at address 0x20>, indexRelationId=804393376, parentIndexRelid=805686672,
    parentConstraintId=268544704, relFileNumber=805309688, indexInfo=0x3009a328, indexColNames=0x30237a20, accessMethodId=403, tableSpaceId=0, collationIds=0x304d29d8, opclassIds=0x304d29f8,
    opclassOptions=0x304d2a18, coloptions=0x304d2a38, reloptions=0, flags=0, constr_flags=0, allow_system_table_mods=false, is_internal=false, constraintId=0x2ff211b4) at index.c:1260
#17 0x1050342c in DefineIndex (tableId=19994, stmt=0x2ff21370, indexRelationId=0, parentIndexId=0, parentConstraintId=0, total_parts=0, is_alter_table=false, check_rights=true, check_not_in_use=true,
    skip_build=false, quiet=false) at indexcmds.c:1204
#18 0x104b4474 in ProcessUtilitySlow (pstate=<error reading variable>, pstmt=0x3009a408, queryString=0x30099730 "CREATE INDEX dupindexcols_i ON dupindexcols (f1, id, f1 text_pattern_ops);",

If there are other ways I should poke at it, let me know.