# This report is not about a SEGV, system crash, or hang. severity 280412 normal retitle 280412 xserver-xfree86: [nv] driver corrupts vesafb consoles on NV17 [GeForce4 420 Go 32M] rev 163 tag 280412 + upstream thanks On Tue, Nov 09, 2004 at 11:19:56AM +0100, Ralf Hildebrandt wrote: > I use the nv driver in XFree and the vesafb for the framebuffer console. > vesafb works fine, I get the bootlogo and all during boot. > > Once X11 starts up and I want to switch back to the framebuffer console using > CTRL-ALT-F1, the framebuffer is garbled. The screen is flickering, as if > the vertical synchronisation is lost. Colors seem to be OK, I get grey > garbage on black background. > > Switching back to X11 using ALT-F7 works OK, the X11 screen looks fine. > > I made two screenshots to illuminate what I'm seeing: > http://www.stahl.bau.tu-bs.de/~hildeb/bugreport/dsc02089.jpg > http://www.stahl.bau.tu-bs.de/~hildeb/bugreport/dsc02090.jpg > (watch out, high resolution) > > It's not entirely clear if it's an issue of the nv driver or the vesafb > in the kernel. It looks like an XFree86 driver bug to me; it is the responsibility of the driver to put the display adapter back into the state in which it found it. This is what the LeaveVT() function in XFree86 is all about. On Fri, Nov 26, 2004 at 11:21:57PM +0100, Ralf Hildebrandt wrote: > Is there any information missing? Anything I failed to provide? No; I'm sorry it has taken a while to get back to you. -- G. Branden Robinson | "Religion is nonsense." Debian GNU/Linux | "It's also a gold mine -- branden@debian.org | if you know where to dig." http://people.debian.org/~branden/ | -- _Shine_
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