While all of the recent test/format failures are related to the recent eviction change, wiredtiger-test-format-stress 3547 was different than the assertion failure. Here's the stack:
(gdb) bt
#0 0x00000000004696b2 in __wt_cell_type (cell=0x0)
at ../src/include/cell.i:470
WT-1 0x0000000000469850 in __wt_cell_unpack_safe (page=0x0, cell=0x0,
unpack=0x7fe5ebcb76b0, end=0x0) at ../src/include/cell.i:572
WT-2 0x0000000000469c79 in __wt_cell_unpack (cell=0x0, unpack=0x7fe5ebcb76b0)
at ../src/include/cell.i:714
WT-3 0x000000000046eb88 in __rec_col_merge (session=0xd65510, r=0x7fe59c04d7b0,
page=0x7fe5a4038e40) at ../src/btree/rec_write.c:2381
WT-4 0x000000000046eb24 in __rec_col_merge (session=0xd65510, r=0x7fe59c04d7b0,
page=0x7fe54803dfe0) at ../src/btree/rec_write.c:2364
WT-5 0x000000000046e909 in __rec_col_int (session=0xd65510, r=0x7fe59c04d7b0,
page=0x7fe54803dfe0) at ../src/btree/rec_write.c:2307
WT-6 0x000000000046af9d in __wt_rec_write (session=0xd65510,
page=0x7fe54803dfe0, salvage=0x0, flags=0) at ../src/btree/rec_write.c:356
WT-7 0x000000000044ff0d in __wt_sync_file (session=0xd65510, syncop=8)
at ../src/btree/bt_evict.c:649
WT-8 0x000000000045fb68 in __wt_bt_cache_op (session=0xd65510,
ckptbase=0x7fe59c061550, op=8) at ../src/btree/bt_sync.c:53
WT-9 0x0000000000449ad7 in __checkpoint_worker (session=0xd65510,
cfg=0x7fe5ebcb7cf0, is_checkpoint=1) at ../src/txn/txn_ckpt.c:750
WT-10 0x0000000000449ce1 in __wt_checkpoint (session=0xd65510,
cfg=0x7fe5ebcb7cf0) at ../src/txn/txn_ckpt.c:802
WT-11 0x0000000000497c6e in __wt_meta_btree_apply (session=0xd65510,
func=0x449c79 <__wt_checkpoint>, cfg=0x7fe5ebcb7cf0)
at ../src/meta/meta_apply.c:45
WT-12 0x0000000000448838 in __checkpoint_apply (session=0xd65510,
cfg=0x7fe5ebcb7cf0, op=0x449c79 <__wt_checkpoint>, fullp=0x0)
at ../src/txn/txn_ckpt.c:129
WT-13 0x0000000000448b1e in __wt_txn_checkpoint (session=0xd65510,
cfg=0x7fe5ebcb7cf0) at ../src/txn/txn_ckpt.c:243
WT-14 0x000000000043fe2d in __session_checkpoint (wt_session=0xd65510,
config=0x7fe5ebcb7d80 "name=thread-10") at ../src/session/session_api.c:716
WT-15 0x000000000040fb9c in ops (arg=0xd83250) at ../../../test/format/ops.c:272
WT-16 0x0000003789207851 in start_thread () from /lib64/libpthread.so.0
WT-17 0x0000003788ae767d in clone () from /lib64/libc.so.6
Clearly the crash is because cell is NULL. That's because the page is empty back in frame 3.
(gdb) frame 3 WT-3 0x000000000046eb88 in __rec_col_merge (session=0xd65510, r=0x7fe59c04d7b0, page=0x7fe5a4038e40) at ../src/btree/rec_write.c:2381 2381 __wt_cell_unpack(ref->addr, unpack); (gdb) p *ref $2 = {page = 0x0, addr = 0x0, key = {recno = 0, ikey = 0x0, pkey = 0}, txnid = 0, state = WT_REF_DISK, unused = 0} (gdb) p *page $3 = {parent = 0x7fe5a40229e0, ref = 0x7fe5a4000078, u = {intl = {recno = 0, t = 0x0}, row = {d = 0x0, ins = 0x0, upd = 0xabababababababab}, col_fix = {recno = 0, bitf = 0x0}, col_var = {recno = 0, d = 0x0, repeats = 0xabababababababab, nrepeats = 2880154539}}, dsk = 0xabababababababab, modify = 0xabababababababab, read_gen = 12370169555311111083, memory_footprint = 12370169555311111083, entries = 2880154539, type = 171 '\253', flags_atomic = 171 '\253'}
- is related to
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WT-898 test/format WT_CHILD_MODIFIED failure
- Closed
- related to
-
WT-1 placeholder WT-1
- Closed
-
WT-2 What does metadata look like?
- Closed
-
WT-3 What file formats are required?
- Closed
-
WT-4 Flexible cursor traversals
- Closed
-
WT-5 How does pget work: is it necessary?
- Closed
-
WT-6 Complex schema example
- Closed
-
WT-7 Do we need the handle->err/errx methods?
- Closed
-
WT-8 Do we need table load, bulk-load and/or dump methods?
- Closed
-
WT-9 Does adding schema need to be transactional?
- Closed
-
WT-10 Basic "getting started" tutorial
- Closed
-
WT-11 placeholder #11
- Closed
-
WT-12 Write more examples
- Closed
-
WT-13 Define supported platforms
- Closed
-
WT-14 Windows build
- Closed
-
WT-15 Automated build/test infrastructure
- Closed
-
WT-16 Test suite
- Closed
-
WT-17 Multithreaded tests
- Closed
-
WT-899 test/format segfault WT-2
- Closed
-
WT-900 Use hazard references to prevent child pages being evicted during reconciliation of their parent
- Closed