Reg : gdb crash is seen while attaching a process to gdb.

[RAJESH DASARI]

Thanks for your quick response . Could you please share those patches , I will recompile the gdb with the patches and test the changes.

Regards,
Rajesh.

> On 24-Mar-2017, at 17:02, Yao Qi <qiyaoltc@gmail.com> wrote:
> 
>> On Fri, Mar 24, 2017 at 6:27 AM, RAJESH DASARI <raajeshdasari@gmail.com> wrote:
>> 
>> Quit anyway? (y or n) y
>> gdb-7.12.1/gdb/thread.c:1010: internal-error: int
>> is_executing(ptid_t): Assertion `tp' failed.
>> A problem internal to GDB has been detected,
>> further debugging may prove unreliable.
>> Quit this debugging session? (y or n) y
>> 
>> This is a bug, please report it.  For instructions, see:
>> <http://www.gnu.org/software/gdb/bugs/>.
>> 
>> gdb-7.12.1/gdb/thread.c:1010: internal-error: int
>> is_executing(ptid_t): Assertion `tp' failed.
>> A problem internal to GDB has been detected,
>> further debugging may prove unreliable.
>> Create a core file of GDB? (y or n) y
>> Aborted (core dumped)
>> 
>> 
>> I notice this problem only for some processes, there are few more
>> multi-threaded processes which are not showing this problem. Could you
>> please share some pointers on what could be causing this gdb crash.
>> 
>> 
> 
> I suspect it is related to the improper management of thread_info's
> refcount.  I've already had some patches in my local tree, but don't
> have time posting them.  Let me find them, and  polish them.
> 
> -- 
> Yao (齐尧)