Re: gdb : Exception in SetThreadName(unsigned long, char const*) () from /usr/bin/cygwin1.dll

[Jon Turney <jon.turney@dronecode.org.uk>]

On 10/09/2016 12:39, Jon Turney wrote:
> On 09/09/2016 05:15, Reto Huber wrote:
>> I am using cygwin for quite a while. Yesterday I did update.
>> Everything seemed to work smooth. Today I figured out that gdb does no
>> longer work debugging my project. Even a simple "Hello World" can not
>> be debugged anymore. The executable itself runs ok. Here the example
>
> Thanks for reporting this problem, and the test case.
>
>> gdb: unknown target exception 0x406d1388 at 0x7639c54f
>>
>> Program received signal ?, Unknown signal.
>
> This is related to the thread name support added in 2.6.0
>
> The exception used to pass the thread name to the debugger is supposed
> to be caught internally if the debugger doesn't handle it, but this
> doesn't seem to be working correctly on x86.

I have applied a fix for this.

>> Can you give me a hint how I can fix it? Can anyone reproduce the issue?
>
> At the moment, the workaround would be to downgrade to Cygwin 2.5.2, or
> to update to the gdb 7.11.1-1 test release (which has explicit handling
> for these thread naming exceptions)

So the combination of x86, gdb 7.10.1-1, and Cygwin snapshot 2016-10-20 
or later should also work.




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