[racket] gc crash on raspbian

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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