Re: [uml-user] Trying to run X11 inside UML

[Antoine M. <an...@na...>]

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Partha R wrote:
> Hi All,
> 
> I need some help in setting up X11 inside UML - it hangs after the
> following set of messages:
> ~/uml/linux-2.6.18$ ./linux ubd0=debian-3.0r0.ext2 stderr=1
> .........................
> TCP: Hash tables configured (established 1024 bind 512) TCP reno
> registered (Please see attachment "dump.txt" for complete set of
> messages.)
> 
> 
> This is what I have done until now:
> 01. Download Linux Kernel 2.6.18 (wget
> http://www.kernel.org/pub/linux/kernel/v2.6/linux-2.6.18.tar.gz)
> 02. Download the UML patches (wget
> http://user-mode-linux.sourceforge.net/work/current/2.6/2.6.18/patches.tar)
> 03. Apply until x11-fb patch (quilt push x11-fb) 04. Make changes to
> x11-fb patch to fix some error
> 04.01 Fix compilation error => arch/um/drivers/x11_kern.c:397: error:
> `soft_cursor' undeclared here (not in a function)
>        Added the following declaration to the file:x11_kern.c (quilt
> edit arch/um/drivers/x11_kern.c):
>        extern int  soft_cursor(struct fb_info *info, struct fb_cursor
> *cursor);
> 04.02 Fix to get the option "UML-specific options/Graphics
> support/Console display driver support"
>        Un-comment the following line in file:arch/um/Kconfig (quilt
> edit arch/um/Kconfig):
>        source "drivers/char/Kconfig"
> 05. Refresh the x11-fb patch (quilt refresh) 06. Apply rest of the
> patches (quilt push debug-sysrq-t) 07. Apply patch for PAGE_SHIFT
> error (04_include_PAGESHIFT_definition.patch -patch) 08. Configure
> defaults for UML (make defconfig ARCH=um) 09. Configure UML (make
> menuconfig ARCH=um)
>    => Enable "UML-specific options/Graphics support/Support for frame
> buffer devices"
>    => Disable "UML-specific options/Graphics support/Console display
> driver support/VGA text console"
>    => Enable "UML-specific options/Graphics support/Console display
> driver support/Framebuffer Console support"
>    => Enable "UML-specific options/Graphics support/Console display
> driver support/Select compiled-in fonts/VGA 8x8 font"
>    => Enable "UML-specific options/Graphics support/Console display
> driver support/Select compiled-in fonts/VGA 8x16 font"
> 10. Build UML (make ARCH=um)

x11-fb has never worked for me... But please do let us know if you get
it to work, I really think this would be a killer app for uml.

Antoine
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