Help to understand/fix Kdevelop Crash

[Lucas Tanure]

--
Lucas Tanure
+55 (19) 988176559

On Tue, Mar 17, 2015 at 9:22 AM, David Nolden <
david.nolden.kdevelop at art-master.de> wrote:

> Actually, the absolute limit on the size of the item repository is 4GB,
> because the index is a 32 bit number, and there can be 1<<16 buckets, each
> of size 1<<16, i.e. 1<<32=4.3GB. Maybe this limit is hit in your case. Can
> you add some assertion which avoids "wrapping" of the bucket number
> (especially of the buckets spanned by the "monster bucket extent")?
>

How ? I don't understand this code yet.


>
> However, that limit applies to each item repository separately. In your
> case it seems to be the persistent symbol table. IMO it should never become
> that huge, not even for the linux kernel. So I guess this is a problem in
> kdevelop-clang, which puts too much stuff in the symbol table (just a
> guess).
>
> Greetings, David
>
> 2015-03-15 2:15 GMT+01:00 Lucas Tanure <tanure at linux.com>:
>
>> Hi,
>>
>> I'm trying to use kdevelop for develop linux kernel, but it's crashing
>> while parsing.
>> I imported the main makefile from linux kernel source and after a few
>> minutes the kdevelop crashes.
>>
>> Take a look at:
>> *kdevelop* *binaries* :
>> https://www.dropbox.com/s/g01t1uzpkkwihwt/kdevelop.tar.xz?dl=0
>>
>> *llvm* *binaries* :
>> https://www.dropbox.com/s/j8xarqu6leufk8s/llvm.tar.xz?dl=0
>>
>> *kdevelop* *log* :
>> https://www.dropbox.com/s/ke4iovxx8alis9j/kdev.log?dl=0
>>
>> *gdb* *coredump* :
>> https://www.dropbox.com/s/1q7l8pi67kug59r/core.24956.xz?dl=0
>>
>> I created the bug:
>> https://bugs.kde.org/show_bug.cgi?id=343950
>>
>> and I thought it was the same as:
>> https://bugs.kde.org/show_bug.cgi?id=272408 ( not enough memory ram ).
>> But it's not, it's a real crash. I tested with a 24Gbytes of Ram, and
>> kdevelop took like 5Gb to parse 50% of linux kernel.
>>
>> Please help.
>> Thanks
>>
>> --
>> Lucas Tanure
>> +55 (19) 988176559
>>
>> _______________________________________________
>> KDevelop-devel mailing list
>> KDevelop-devel at kde.org
>> https://mail.kde.org/mailman/listinfo/kdevelop-devel
>>
>>
>
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