| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Heikki Linnakangas <heikki(at)enterprisedb(dot)com> |
| Cc: | pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: Unhelpful debug tools on OS X :-( |
| Date: | 2007-04-17 20:36:37 |
| Message-ID: | 12491.1176842197@sss.pgh.pa.us |
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| Lists: | pgsql-hackers |
Heikki Linnakangas <heikki(at)enterprisedb(dot)com> writes:
> Tom Lane wrote:
>> Any suggestions how to extract some info out of this?
> Does OS X have the catchsegv tool?
No, but I suddenly remembered about CrashReporter, and sure enough it's
catching these crashes:
Exception: EXC_BAD_ACCESS (0x0001)
Codes: KERN_PROTECTION_FAILURE (0x0002) at 0x00000010
Thread 0 Crashed:
0 postmaster 0x001af4ef smgrextend + 12 (smgr.c:485)
1 postmaster 0x00029044 end_heap_rewrite + 208 (rewriteheap.c:278)
2 postmaster 0x000bdc22 cluster_rel + 850 (cluster.c:806)
3 postmaster 0x000be119 cluster + 160 (cluster.c:220)
4 postmaster 0x001b74a8 PortalRunUtility + 233 (palloc.h:84)
5 postmaster 0x001b7784 PortalRunMulti + 237 (pquery.c:1271)
6 postmaster 0x001b80ae PortalRun + 918 (pquery.c:813)
7 postmaster 0x001b2afd exec_simple_query + 656 (postgres.c:965)
8 postmaster 0x001b4b0c PostgresMain + 5628 (postgres.c:3507)
9 postmaster 0x00183973 ServerLoop + 2828 (postmaster.c:2614)
10 postmaster 0x00184b1e PostmasterMain + 2794 (postmaster.c:972)
11 postmaster 0x00130f8e main + 1236 (main.c:188)
12 postmaster 0x00001e86 _start + 216
13 postmaster 0x00001dad start + 41
So it looks like this has got something to do with the MVCC-safe cluster
changes, which is not too surprising considering it started happening
around about then. Off to have a look ...
regards, tom lane
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