[Qemu-devel] [Bug 1423124] Re: QEMU crash after sending data on host serial port

[Ugo]

Hello,

after having upgraded QEMU to the end-of-February release, the problem (still 
there) evolved.
Now there is no more a "nevereding loop", but QEMU crashes on stratup with the 
above described startup command :

qemu-system-x86_64w.exe -hda debian.img -m 256 -net nic -net
> tap,ifname=TAP32 -soundhw all -serial COM9

Now it's easy to give you the Windows dump, attached.

Regards
Ugo

** Attachment added: "Windows- 64bits dumps for COM emulator problem"
   
https://bugs.launchpad.net/qemu/+bug/1423124/+attachment/4337624/+files/CrashDumps%20-%20QEMU%20serial%20port.zip

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https://bugs.launchpad.net/bugs/1423124

Title:
  QEMU crash after sending data on host serial port

Status in QEMU:
  New

Bug description:
  Good morning,

  I'm using QEMU for Windows last version.
  The host system is Windows 7 64bits.
  I'm excuting the following statment :

  qemu-system-x86_64w.exe -hda debian.img -m 256 -net nic -net
  tap,ifname=TAP32 -soundhw all -serial COM9

  Qemu starts the emulated Debian and it runs correctly.

  If I try to send data from Windows using COM9 to QEMU (both "real" or 
emulated by the COM0COM driver), QEMU crashes. Windows dump available if 
required.
  If I try to send data to /dev/ttyS0 (that should be the Linux side of COM9) 
from Debian, again, the wirtual machine crashes.

  More details if necessary
  Best regards
  U.Poddine

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