Re: Infinite loop in searchd

As Daniel Stone has suggested, can you give it a try using gcc 3.3?

Jens Thoms Toerring wrote:
> Hi,
> 
>   I am currently trying to figure out why searchd hangs in an
> infinite loop in the function search.cpp:AndResults when
> searching for more than just a single word.
> 
> According to what I see in the debugger the 'same' variable never
> in this function gets set and the 'else' part of the loop, that
> gets entered when 'same' isn't set never gets me out of the loop.
> I followed Daniel Stone's suggestion which basically is to force
> 'same' to 1, thus taking the other branch. This works, at least
> as far as getting me out of the infinite loop, but it also breaks
> the search: If I am looking for two words to be in the same
> document, aspssek shows me results for all pages that contain the
> first word, but doesn't bother about the second one (well, I guess
> that should tell me something about the purpose of tge 'same'
> variable ;-) So, obviously, this isn't really working.
> 
> The same problems happens with phrase searches, but this time the
> inifinite loop is in CPhrase::GetResultForSite() (which has very
> similart code to AndResults()). And forcing 'same' to 1 here
> helps in getting out of the loop but also breaks the search.
> 
> All this happens with
> 
> Linux ub3744 2.4.19-4GB #1 Fri Sep 13 13:14:56 UTC 2002 i686 unknown
> 
> and
> 
> jens@ub3744:~> g++ --v
> Reading specs from /usr/lib/gcc-lib/i486-suse-linux/3.2/specs
> Configured with: ../configure --enable-threads=posix --prefix=/usr
> --with-local-prefix=/usr/local --infodir=/usr/share/info
> --mandir=/usr/share/man --libdir=/usr/lib
> --enable-languages=c,c++,f77,objc,java,ada --enable-libgcj
> --with-gxx-include-dir=/usr/include/g++ --with-slibdir=/lib --with-system-zlib
> --enable-shared --enable-__cxa_atexit i486-suse-linux
> Thread model: posix
> gcc version 3.2
> 
> Unfortunately, even after looking at the functions for two hours it's
> still a complete mystery to me how it is supposed to work. Especially
> lines like
> 
>    ( WORD * & ) *purl += ( ( WORD * ) ( *purl ) )[ 3 ] + 4;
> 
> are beyond me...
>                                     Regards, Jens


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