Steam crashes on FVWM3

[lgsobalvarro]

Steam crashes 3 out of5 times when you open it. For some bizarre reason seems to be more common when started in offline mode.

Steams complains constantly about X before crashing, this behavior only occurs with FVWM3. I haven't being able to reproduce this in wmaker.

steam.txt contains what steam logged into my urxvt.

fvwm3-output.log complains about steam breaking size hints.

I do not have any special style rules for steam on my cfg, beyond an IconOverride
Style steam icon icons/apps/steam.svg, IconOverride

Pelase let me know if you need any further information

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[lgsobalvarro]

With FVWM3 default config Steam works fine. So there must be something on my config that causes this in FVWM3. I'll try to find out exactly what and why it does not affect FVWM2.

[lgsobalvarro]

After rebuilding my config (based on the defualt) and trying to find out what could possibly be the problem. I realized all my tests where being done on desktop 0 and steam didn't crash. When I switch to desktop 1 it crashes every single time.. Same errors as seen in steam.txt

Update:
Starting steam on desktop 0 and using MoveToDesk to move it to desktop 1 does not make it crash.
Iconifing, switchign desktops and deiconifing also works fine.

Update 2:
After adding Style <steam_window> InitialMapCommand Echo Mapping $[w.name], restarting in debug mode as instructed in IRC:

fvwm3-output.log
xorg-session.log