Re: postgresql 8.2 rc1 - crash

[Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>]

Teodor Sigaev <teodor(at)sigaev(dot)ru> writes:
>> #1  0x080bc224 in PageDeletePostingItem (page=0xb28039a0 "\020", 
>> offset=53719) at gindatapage.c:291
>> #2  0x080bf558 in ginDeletePage (gvs=0xbfc2ab80, deleteBlkno=29194, 
>> leftBlkno=29059, parentBlkno=70274, myoff=351, isParentRoot=0 '\0') at 
>> ginvacuum.c:268

> Are you sure about your hardware? myoff in ginDeletePage() and offset in 
> PageDeletePostingItem are the same variable...

That sort of thing isn't unusual when looking at dumps with an optimized
executable.  gdb has only a limited view of what the compiler is doing,
and frequently will think that register N contains a variable when in
fact that register gets re-used for several different purposes within
the function.

			regards, tom lane