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Re: [Sbcl-bugs] compilation error
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From: Nikodemus S. <nik...@ra...> - 2012-05-28 20:07:44
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On 28 May 2012 06:33, Dimitar Kenanov <di...@ai...> wrote:
> firstly i am working on 64 bit Slackware linux with 64Gb RAM. Version of
> SBCL is 1.0.57. Page size of my system is 4096.
>
> I do not know how to program in SBCL but I have a program that uses SBCL
> and after a while SBCL exits with the known error:
>
> ------------
> fatal error encountered in SBCL pid 10894(tid 140737353926400):
> An mprotect call failed with ENOMEM. This probably means that the
> maximum amount
> of separate memory mappings was exceeded. To fix the problem, either
> increase
> the maximum with e.g. 'echo 262144 > /proc/sys/vm/max_map_count' or
> recompile
> SBCL with a larger value for GENCGC-CARD-BYTES in
> 'src/compiler/target/backend-parms.lisp'.
> ------------
>
> So i went to the specified file and changed the value there to:(setf
> *backend-page-bytes* 2097152)) and tried to compile. But then the
> compiler exits with the following error:
>
> -----------
> obj/from-xc/src/pcl/walk.lisp-obj
> [building initial core file in "output/cold-sbcl.core":
> writing 2097152 bytes [1 page] from #<SB!FASL::GSPACE :READ-ONLY>
> unhandled SB-INT:INVALID-ARRAY-INDEX-ERROR in thread #<SB-THREAD:THREAD
> "main thread"
> RUNNING
> {10029612A3}>:
> Index 1 out of bounds for (SIMPLE-VECTOR 1), should be nonnegative
> and <1.
Thanks for the report! I've reproduced this, but haven't yet had time
to dig in.
This /is/ unexpected, but it may take a bit before it's fixed.
Did you try the
echo 262144 > /proc/sys/vm/max_map_count
solution? (As root, possibly using an even larger integer.)
Cheers,
-- nikodemus
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