[Mono-list] Re: *** glibc detected *** double free or corruption (fasttop): 0x0a574240 ***

[Robert Jordan]

Robert Jordan wrote:
> Nikki Locke wrote:
>> Robert Jordan wrote:
>>> Nikki Locke wrote:
>>>> *** glibc detected *** double free or corruption (fasttop): 
>>>> 0x0a574240 ***
>>>> I get this error occasionally in a large multi-threaded program. No 
>>>> stack trace or other information is shown. Any suggestions how I can 
>>>> try to track this down enough to write a useful bug report?
>>>  
>>> Have a look at http://www.mono-project.com/Debugging  
>>> For this special error, you may start gdb using this cmd line  
>>> MALLOC_CHECK_=2 gdb mono 
>>
>> Thanks. I followed the instructions, modifying .gdbinit in my home 
>> directory.
>> Then I did...
>>
>> [nikki at router:bin]$ MONO_PATH=../lib MALLOC_CHECK_=2 gdb 
>> /opt/mono-1.1.15/bin/mono
>>
>> Then I did...
>> (gdb) r --debug Specsoft.EPOS.ClientTestApp.exe
>>
>> Then I got...
>>
>> Program received signal SIG35, Real-time event 35.
>>
>> What now?
>>
> 
> What now? Please *read* http://www.mono-project.com/Debugging

Ah, okay. SIG35 is not mentioned on the page:

handle SIGXCPU SIG33 SIG35 SIGPWR nostop noprint


Robert