Re: [boost] [simple_segregated_storage] segfault

Subject: Re: [boost] [simple_segregated_storage] segfault
From: Phil Bouchard (philippe_at_[hidden])
Date: 2008-10-01 02:53:11

"Chris Newbold" <Chris.Newbold_at_[hidden]> wrote in message 
news:6F6A2FC198A0F943ACC2259C38A2E30B6B6FB4BD92_at_EXCHANGE-AH.ad.mathworks.com...
>> From: boost-bounces_at_[hidden] 
>> [mailto:boost-bounces_at_[hidden]]
>> On Behalf Of Phil Bouchard
>> Sent: Tuesday, September 30, 2008 4:04 AM
>
>> I just tried the same problem today on Linux but using the latest Boost
>> 1.36
>> and I had the exact same crash.
>
> Hmm. What version of GCC are you using?
>
> One thing I found is that your shifted_ptr_test2 would not compile with 
> the version of GCC I'm using (4.1.2) unless I moved the patches to 
> list.tcc and stl_list.h out of the way.
>
> Are those patches "required"?

I have compiled the application using GCC 4.3.0 with Boost 1.35 and I got a 
similar crash:

#0  0x0041ca66 in boost::simple_segregated_storage<unsigned 
int>::try_malloc_n (start=@0x22fd9c, n=15, partition_size=4)
        at simple_segregated_storage.hpp:234
#1  0x0041cb58 in boost::simple_segregated_storage<unsigned int>::malloc_n 
(this=0x48d030, n=16, partition_size=4)
        at simple_segregated_storage.hpp:256
#2  0x00420a4d in 
boost::pool<boost::default_user_allocator_new_delete>::ordered_malloc 
(this=0x48d030, n=16)
        at pool.hpp:511
#3  0x004238ce in boost::detail::sh::pool::allocate (this=0x48d030, s=60)
        at sh_owned_base_nt.hpp:105
#4  0x00423d92 in boost::detail::sh::shifted<node>::operator new (s=60)
        at sh_owned_base_nt.hpp:215
#5  0x004192ff in list::insert (this=0x22ff34)
        at shifted_ptr_test2.cpp:49
#6  0x0040154b in main ()
        at shifted_ptr_test2.cpp:85

-Phil