Windows Key Crash from Fullscreen -- Workaround \ VOGONS

Windows Key Crash from Fullscreen -- Workaround

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First post, by justhal

Posted on 2005-06-26, 03:02

justhal Offline

Rank Newbie

Rank: Newbie
Posts: 2
Joined: 2005-06-26, 02:37

DosBox consistently crashes when I press the windows logo key when I'm
in fullscreen mode. This is quite annoying. I've messed around with the
configuration file to no avail. I've searched the forums but found no
solution. I've looked into disabling the windows logo key but the solutions
I've found are too cumbersome.

The problem occurs regardless of what game is running, or even if there
is a game running. The problem occurs even from the DosBox prompt.

I've now found a workaround: OpenGL modes. I'm not sure why this is,
but DosBox no longer crashes when I use the OpenGL video mode. I
am going to post this anyway; perhaps it will be helpful to others having
the same problem.

Standard error (stderr.txt) contains:
Fatal signal: Segmentation Fault (SDL Parachute Deployed)

CPU: AMD Athlon XP 2100+
RAM: 1GB
Video: EVGA e-GeForce 6600GT
Sound: Creative SoundBlaster Audigy
OS: Windows XP Professional
Game: Any (including none)
Description: Crash to desktop when windows logo key pressed in fullscreen
Reproducibility: Always
Sound Mode: Any (including none)
Video Mode: Any except OpenGL
DosBox Version: 0.63

Reply 1 of 5, by HunterZ

Posted on 2005-06-26, 08:49

HunterZ Offline

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Posts: 6171
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Location: Seattle

Probably an SDL issue. You could try poking around the forum for a link to a CVS build of DOSBox, which usually includes a newer build of SDL.dll as well.

Reply 2 of 5, by `Moe`

Posted on 2005-06-26, 09:50

`Moe` Offline

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Posts: 1169
Joined: 2004-04-29, 01:06
Location: Oldenburg, Germany

SDL_VIDEODRIVER=windib might help. Search for more infos in the forums, I don't have them at hand.

Reply 3 of 5, by justhal

Posted on 2005-06-28, 20:59

justhal Offline

Rank Newbie

Rank: Newbie
Posts: 2
Joined: 2005-06-26, 02:37

I've tried a CVS build of DOSBox that I got from
http://cvscompile.aep-emu.de/dosbox.htm with no luck.

Setting SDL_VIDEODRIVER=windib seems to keep DOSBox from crashing,
but I get a palette shift or something when I bring DOSBox back to fullscreen
after using the Windows logo key. Black becomes red and white becomes
green. It is consistently the same shift and applies to the whole screen
uniformly.

I've attached a screenshot of the effect.
This happens at color depths of 16 and 32 bits per pixel.

Reply 4 of 5, by Qbix

Posted on 2005-06-28, 21:03

Qbix Offline

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Posts: 11234
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Location: Fryslan

well dosbox isn't "used" to switching between fullscreen/windowed mode in any other way then the default alt-enter way. Hopefully it will be oneday. although disabling a few of the windows keys might help....(not sure if that is possible though.)

Water flows down the stream
How to ask questions the smart way!

Reply 5 of 5, by `Moe`

Posted on 2005-06-29, 07:49

`Moe` Offline

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Rank: Oldbie
Posts: 1169
Joined: 2004-04-29, 01:06
Location: Oldenburg, Germany

Well, in this particular case I think it's SDL's job to handle switching - pressing the Windows key leaves the app minimized but fullscreen, so dosbox shouldn't notice anything. You could report the same issue on the SDL mailing list to see what they suggest 😉

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