[gmx-developers] release-4-5 and 4-6 crash compiled with -DCMAKE_BUILD_TYPE:STRING=Debug. Thread code to blame?

[Mark Abraham]

On 2/01/2012 10:27 PM, David van der Spoel wrote:
> On 2012-01-02 10:48, David van der Spoel wrote:
>> I'm trying to debug some redmine issues and find myself stuck due to
>> above error:
>>
>> Program received signal EXC_BAD_ACCESS, Could not access memory.
>> Reason: KERN_INVALID_ADDRESS at address: 0x0000000000000001
>> 0x00000001006521b1 in tMPI_Spinlock_trylock (x=0x100d00fa0) at
>> gcc_x86.h:244
>> 244 __asm__ __volatile__("\tmovl $1, %0\n" /* set eax to 1, the locked
>> (gdb) where
>> #0 0x00000001006521b1 in tMPI_Spinlock_trylock (x=0x100d00fa0) at
>> gcc_x86.h:244
>> #1 0x000000010065225f in tMPI_Lock_lock (lock=0x100d00fa0) at lock.c:69
>> #2 0x00000001003d1635 in gmx_fio_lock (fio=0x100d00f20) at gmxfio.c:252
>> #3 0x00000001003d176c in gmx_fio_insert (fio=0x100d00f20) at 
>> gmxfio.c:305
>> #4 0x00000001003d1fb3 in gmx_fio_open (fn=0x100d01a20 "md.log",
>> mode=0x100671a8e "w+") at gmxfio.c:570
>> #5 0x00000001003d2273 in gmx_fio_fopen (fn=0x100d01a20 "md.log",
>> mode=0x100671a8e "w+") at gmxfio.c:643
>> #6 0x00000001003e5bbb in gmx_log_open (lognm=0x100d00c10 "md.log",
>> cr=0x100d00900, bMasterOnly=1, Flags=7168, fplog=0x7fff5fbfe4a0) at
>> main.c:310
>> #7 0x00000001000269fe in main (argc=1, argv=0x7fff5fbff790) at 
>> mdrun.c:651
>>
>> I'm on Mac OSX Lion (10.7.2)
>> [artemisiabmcuuse:713/spc] % gcc -h
>> i686-apple-darwin11-llvm-gcc-4.2: no input files
>>
>> Any clues?
>>
>> Will try it on Linux next.
>>
> The porblem is NOT reproducible on a Linux box. OSX specific?
>
Debug build on Cygwin seems to work fine.

Mark