Details
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Bug
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Status: Closed
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Major - P3
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Resolution: Cannot Reproduce
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None
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None
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None
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None
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8
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Storage Engines 2019-05-20
Description
The wiredtiger-test-format-stress-ppc Jenkins job failed with a segfault. There is a tarball on the PPC machine. The job can be found at http://build.wiredtiger.com:8080/job/wiredtiger-test-format-stress-ppc/20686/console.
The segfault happened because a WT_REF structure has a NULL page field.
(gdb) bt
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#0 0x000000001013c790 in __wt_page_in_func (session=0x3fff7b1d2ea0,
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ref=0x100042b0680, flags=1451,
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func=0x1046c3c8 <__func__.15056> "__tree_walk_internal", line=527)
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at ../src/btree/bt_read.c:809
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#1 0x000000001016b5d0 in __wt_page_swap_func (session=0x3fff7b1d2ea0,
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held=0x0, want=0x100042b0680, flags=1451,
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func=0x1046c3c8 <__func__.15056> "__tree_walk_internal", line=527)
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at ../src/include/btree.i:1702
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#2 0x000000001016c578 in __tree_walk_internal (session=0x3fff7b1d2ea0,
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refp=0x3fff7719e3f8, walkcntp=0x0, skip_func=0x0, func_cookie=0x0,
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flags=395) at ../src/btree/bt_walk.c:526
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#3 0x000000001016c880 in __wt_tree_walk (session=0x3fff7b1d2ea0,
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refp=0x3fff7719e3f8, flags=393) at ../src/btree/bt_walk.c:597
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#4 0x0000000010057840 in __verbose_dump_cache_single (session=0x3fff7b1d2ea0,
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total_bytesp=0x3fff7719e590, total_dirty_bytesp=0x3fff7719e598)
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at ../src/evict/evict_lru.c:2561
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#5 0x0000000010057cd8 in __verbose_dump_cache_apply (session=0x3fff7b1d2ea0,
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total_bytesp=0x3fff7719e590, total_dirty_bytesp=0x3fff7719e598)
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at ../src/evict/evict_lru.c:2666
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#6 0x0000000010058030 in __wt_verbose_dump_cache (session=0x3fff7b1d2ea0)
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at ../src/evict/evict_lru.c:2704
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#7 0x0000000010050b64 in __evict_server (session=0x3fff7b1d2ea0,
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did_work=0x3fff7719e710) at ../src/evict/evict_lru.c:453
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#8 0x0000000010050418 in __wt_evict_thread_run (session=0x3fff7b1d2ea0,
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thread=0x100041fdb50) at ../src/evict/evict_lru.c:290
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#9 0x00000000100e0778 in __thread_run (arg=0x100041fdb50)
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at ../src/support/thread_group.c:31
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#10 0x00003fff7b768944 in start_thread () from /lib64/power8/libpthread.so.0
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#11 0x00003fff7b5e7640 in clone () from /lib64/power8/libc.so.6
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(gdb) p page
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$1 = (WT_PAGE *) 0x0
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(gdb) p *ref
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$2 = {page = 0x0, home = 0x100042b8190, pindex_hint = 0, state = 5,
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addr = 0x100042af91a, key = {recno = 4294967379, ikey = 0x100000053},
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page_del = 0x0, page_las = 0x0, hist = {{session = 0x3fff7b1d5888,
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name = 0x104593f0 "WT_SESSION.verify",
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file = 0x10468e28 "../src/btree/bt_read.c", line = 574, state = 5}, {
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session = 0x0, name = 0x0, file = 0x0, line = 0, state = 0}, {
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session = 0x0, name = 0x0, file = 0x0, line = 0, state = 0}},
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histoff = 1}
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Attachments
Issue Links
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- Closed
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