ffi.new intermittent failures
- From: Alexander Gladysh <agladysh@xxxxxxxxx>
- To: LuaJIT Mailing List <luajit@xxxxxxxxxxxxx>
- Date: Thu, 14 Nov 2013 12:29:33 +0400
Hi, list!
We observe intermittent failures in ff.new, when attempting to
allocate a largeish chunk of memory on Linux (see below). C calls like
calloc work fine.
Any clues?
Thanks,
Alexander.
dvv@pk:~$ rlwrap luajit2
LuaJIT 2.0.2 -- Copyright (C) 2005-2013 Mike Pall. http://luajit.org/
JIT: ON CMOV SSE2 SSE3 fold cse dce fwd dse narrow loop abc sink fuse
> ffi=require('ffi')
> =ffi.typeof('char[1000000000]')()
cdata<char [1000000000]>: 0x41800018
> =ffi.typeof('char[1000000000]')()
not enough memory
> =ffi.typeof('char[1000000000]')()
cdata<char [1000000000]>: 0x41c96018
> =ffi.typeof('char[1000000000]')()
not enough memory
>dvv@pk:~$ uname -a
Linux pk 3.11.0-12-generic #19-Ubuntu SMP Wed Oct 9 16:20:46 UTC 2013
x86_64 x86_64 x86_64 GNU/Linux
dvv@pk:~$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 13.10
Release: 13.10
Codename: saucy
git clone http://luajit.org/git/luajit-2.0.git
#5a25a735f589d6fafbaa3c234c59fbfe8920a102
dvv@pk:~$ free
total used free shared buffers cached
Mem: 2049692 999172 1050520 0 16652 298216
-/+ buffers/cache: 684304 1365388
Swap: 1046524 472364 574160
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