Rdesktop - Machine hanging problem

[夜神 岩男]

On 08/02/2011 01:58 PM, Rajender.M wrote:
>
>> On 08/01/2011 06:44 AM, 夜神　岩男 wrote:
>>
>>> On 08/01/2011 08:02 PM, Rajender.M wrote:
>>>
>>>> Hello All,
>>>>
>>>> I installed Fedora core15 in our host machine which contains the rdesktop version1.6.0
>>>> When i try to connect to the remote machine using rdesktop the machine hangs and we need to do a hard reboot every time. We tried to install the same version in another machine and same thing happened in that machine too.
>>>> Since rdesktop is a normal user space application; such "cannot" hang the machine. So most likely the problem is with the Fedora15 os as with the Xorg server or may be any other reason.
>>>> I dint find any body reporting the same problem in the web and i need to resolve this issue. So please can any one help me in this regard.
>>>>
>>> Try the same thing on a different window manager (as in not Gnome3,
>>> which I suspect is what you were using at the time) and see if you get
>>> the same results.
>>>
>> I run Gonme3 and rdesktop and have had problems.  In my
>> case they are intermittent -- most of the time rdesktop
>> connects and works fine.   But on several occasions in period
>> of a couple months, the gnome3 desktop has locked up or
>> gone into a weird state where I could change window focus
>> with the mouse, but windows would not respond to any mouse
>> or keyboard input.
>>
>> In one case all keyboard input was dead, in another I was
>> able to cntl-alt-F4 to a command line console to kill Gnome-
>> session.  In yet another I was able to log into the Windows
>> machine directly, taking the session back from rdesktop,
>> which caused Gnome3 to come back to life.
>>
>> I agree there seems to be a problem with rdesktop and Gnome3
>> but because of its intermittent nature here, I have not been
>> able to develop enough info for a useful bug report.
>>
> This is nothing to do with gnome3/window manager. We did test with plain
> X and got the same system freeze. This is something to do with the low
> level xlib calls (Xorg or video driver/kernel ). We also tested running
> rdesktop from a different machine setting the DISPLAY to the machine in
> problem, we faced the same issue. So this confirms the problem is with
> the X.
>
> Raj

Have you tried to see if a remote shell is still responsive or if you 
can still ping the machine? Knowing if the kernel is really locking up 
or if X or networking or socket handling is seizing is pretty important 
if you want this fixed.

-Iwao