Re: [Qemu-devel] Bug AioContext polling is not implemented on Windows with qemu-system-ppc.exe

[Paolo Bonzini <pbonzini@redhat.com>]

On 21/03/2018 14:13, Howard Spoelstra wrote:
>> Can you get a backtrace on the Windows system?  Perhaps by putting a
>> breakpoint in aio_context_set_poll_params.
>>
>> Paolo
> 
> I built qemu-master RC0 with --enable-debug. This is what a bt provides:

I am not sure what is happening here, but it is obviously not too
helpful. :(  Perhaps "gdb --args qemu-system-ppc.exe ..." is better?

Thanks,

Paolo

> (gdb) attach 9692
> Attaching to program `c:\qemu-master\qemu-system-ppc.exe', process 9692
> [New Thread 9692.0x670]
> [New Thread 9692.0x238c]
> [New Thread 9692.0xb94]
> [New Thread 9692.0x10bc]
> [New Thread 9692.0x90c]
> [New Thread 9692.0x29a0]
> (gdb) thread apply all bt full
> 
> Thread 6 (Thread 9692.0x29a0):
> #0  0x00007ff980ec3811 in ?? ()
> No symbol table info available.
> #1  0x00007ff980ef020b in ?? ()
> No symbol table info available.
> Backtrace stopped: previous frame inner to this frame (corrupt stack?)
> 
> Thread 5 (Thread 9692.0x90c):
> #0  0x00007ff980ebff04 in ?? ()
> No symbol table info available.
> #1  0x00007ff97d673b7f in ?? ()
> No symbol table info available.
> Backtrace stopped: previous frame inner to this frame (corrupt stack?)
> 
> Thread 4 (Thread 9692.0x10bc):
> #0  0x00007ff980ec3794 in ?? ()
> No symbol table info available.
> #1  0x00007ff980e549dd in ?? ()
> No symbol table info available.
> Backtrace stopped: previous frame inner to this frame (corrupt stack?)
> 
> Thread 3 (Thread 9692.0xb94):
> #0  0x00007ff980ec3794 in ?? ()
> ---Type <return> to continue, or q <return> to quit---
> No symbol table info available.
> #1  0x00007ff980e549dd in ?? ()
> No symbol table info available.
> Backtrace stopped: previous frame inner to this frame (corrupt stack?)
> 
> Thread 2 (Thread 9692.0x238c):
> #0  0x00007ff980ec3794 in ?? ()
> No symbol table info available.
> #1  0x00007ff980e549dd in ?? ()
> No symbol table info available.
> Backtrace stopped: previous frame inner to this frame (corrupt stack?)
> 
> Thread 1 (Thread 9692.0x670):
> #0  0x00007ff980ec09d4 in ?? ()
> No symbol table info available.
> #1  0x00007ff97d6ba9c6 in ?? ()
> No symbol table info available.
> Backtrace stopped: previous frame inner to this frame (corrupt stack?)
> (gdb)
> 
> Best,
> Howard
>