SIGSEGV in xorg-1.8.2.0 during -resize operation

[Ryan Johnson]

  On 8/12/2010 5:46 PM, Jon TURNEY wrote:
> On 10/08/2010 06:48, Ryan Johnson wrote:
>> On 8/10/2010 12:02 AM, Jon TURNEY wrote:
>>> On 09/08/2010 22:14, Ryan Johnson wrote:
>>>> When I detached the monitor to leave the office, X disappeared with 
>>>> signal 11
>>>> (log attached). Oddly, the log file didn't mention -resize as an 
>>>> argument to
>>>> XWin, but it did attempt to resize so I assume the feature was active.
>
> Oh dear.  Well it seems I only thought I added code to only enable 
> resize support in multiwindow mode when requested, so it's always on 
> for multiwindow mode at the moment.  That wouldn't be so bad, but it 
> also seems that the -resize code completely fails to correctly handle 
> a change of colour depth (e.g. from 32 bits to 16 bits or vice versa) 
> leading to this segfault.
>
> Unfortunately, fixing this looks to be quite complex :-(
>
> Thanks for testing, anyhow :-)
So... does that mean I have to roll back or face a seg fault after every 
commute? Or is there a way to explicitly disable it?

Ryan



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