Re: Crash on initdb in MSVC++

From: "Magnus Hagander" <mha(at)sollentuna(dot)net>
To: <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Crash on initdb in MSVC++
Date: 2006-06-24 18:36:19
Message-ID: 6BCB9D8A16AC4241919521715F4D8BCEA0FA90@algol.sollentuna.se
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Nevermind this whole mail. My .bki files weren't updated. (installed new
version of them in the wrong directory. Oops.) Updating that to correct
files for HEAD mdae it pass again.

//Magnus

> HEAD built with msvc++ crashes on initdb. I'd appreciate any
> pointers as to where to start looking...
>
> Unhandled exception at 0x0046b9c7 in postgres.exe:
> 0xC0000005: Access violation reading location 0x000006b3.
>
> Backtrace:
> > postgres.exe!_bt_start_vacuum(RelationData * rel=0x0000067f)
> Line 1000 + 0x3 bytes C
> postgres.exe!btbulkdelete(FunctionCallInfoData *
> fcinfo=0x00d2f778) Line 527 + 0x9 bytes C
> postgres.exe!OidFunctionCall3(unsigned int
> functionId=332, unsigned long arg1=23780584, unsigned long
> arg2=64453888, unsigned long
> arg3=62953160) Line 1460 + 0xf bytes C
> postgres.exe!index_build(RelationData *
> heapRelation=0x016adce8, RelationData *
> indexRelation=0x03d77d00, IndexInfo * indexInfo=0x03c096c8,
> char isprimary=0, char istoast=0) Line 1301 +
> 0x15 bytes C
> postgres.exe!build_indices() Line 1249 + 0x1a bytes C
> postgres.exe!boot_yyparse() Line 285 C
> postgres.exe!BootstrapMain(int argc=4, char * * argv=0x0121241c)
> Line 487 C
> postgres.exe!main(int argc=5, char * * argv=0x01212418) Line
> 181 + 0xd bytes C
>
>
>
> The crash is on the line:
> vac->relid = rel->rd_lockInfo.lockRelId;
>
> in _bt_start_vacuum().
>
> From what I can tell, the entire rel pointer is invalid at
> this point, because the debugger says "Expression cannot be
> evaluated" for all fields in it, including simple ints.
>
>
> //Magnus
>
> ---------------------------(end of
> broadcast)---------------------------
> TIP 6: explain analyze is your friend
>

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