[racket] gc crash on raspbian

I managed to compile v6.0 on Raspbian, let me know if you are interested and I can share it with you via dropbox or something similar.

Franco


On 1 Jul 2014, at 13:05, David Griffiths <dave at pawfal.org> wrote:

> Hi Matthew,
> 
> Just to report back, I just upgraded to v5.3.5 on the Pi (after a 48hr
> build :) and still getting this problem.
> 
> I'll try and narrow it down - the SQLite api is the first thing to
> isolate I guess...
> 
> cheers,
> 
> dave
> 
> On 02/05/14 22:58, Matthew Flatt wrote:
>> Version 5.2.1 seems like a long time ago (only two years? really?), and
>> some GC bugs have been fixed since then. Is upgrading to v6.0 possible?
>> We're offering a free ARM JIT with every upgrade!
>> 
>> While 7 would be surprisingly close to a valid value for a random
>> `int`, it turns out that the object header has only 3 bits to hold that
>> value, so 7 is actually as far away as possible from a valid value.
>> 
>> At Fri, 02 May 2014 22:44:43 +0100, David Griffiths wrote:
>>> Hi Matthew,
>>> 
>>> Sorry, I was a bit short on details, I'm running 5.2.1, also using
>>> sqlite via jaymccarthy/sqlite:5:1/sqlite on planet.
>>> 
>>> I had assumed it would be some kind of memory corruption, but "7" looks
>>> a bit more specific than I'd expect for that (like some kind of specific
>>> error value as it's one more than the PAGE_X types)...
>>> 
>>> I'll try and narrow it down a little, e.g. without sqlite and see what
>>> happens.
>>> 
>>> cheers,
>>> 
>>> dave
>>> 
>>> On 02/05/14 19:39, Matthew Flatt wrote:
>>>> That means something has gone generally wrong with memory management.
>>>> 
>>>> Do you have a way to replicate the crash? I tried simply running the
>>>> web server, but I imagine there's a little more to it.
>>>> 
>>>> At Fri, 02 May 2014 14:09:01 +0100, David Griffiths wrote:
>>>>> Hi all,
>>>>> 
>>>>> I'm running a racket web server on a Raspberry Pi, and occasionally
>>>>> getting aborts with:
>>>>> 
>>>>> Unhandled info->type 7
>>>>> 
>>>>> Which I've tracked down to src/racketgc2/newgc.c
>>>>> Any pointers how what this could be and how to fix/work around it?
>>>>> 
>>>>> cheers,
>>>>> 
>>>>> dave
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