RE: [Xen-devel] Kernel crash

["Ian Pratt" <m+Ian.Pratt@xxxxxxxxxxxx>]

> > Try putting xencons=ttyS on the kernel command line or 
> perhaps better,
> > remove vga console support.
> 
> How?
> 
> The options CONFIG_VT, CONFIG_VT_CONSOLE, CONFIG_HW_CONSOLE and 
> CONFIG_VGACONSOLE are not listed in menuconfig. Commenting 
> them out in 
> the .config file will not work either: make readds them 
> before building. The 
> only way to stop those flags from appearing is to "depend 
> !ARCH_XEN" in the 
> Kconfig files where they are defined (I guess/hope there are 
> less intrusive 
> ways, but so far I never had to tweak the kernel build system).

Edit .config and set "# CONFIG_VT_CONSOLE is not set" etc.
 
> Turning the options off results in no output after the 
> initial text from xen, 
> informing me about kernel used, etc. xencons=off behaves the 
> same way. I have 
> no way to interact with the VM but the console, so I am not 
> sure whether this 
> works or not. 

You'll also need console=ttyS0 on the kernel command line (please check
the syntax).

> The -xenU kernels work and give output, but is 
> lacking the 
> necessary HW support I need.

Please remind me of what you're trying to set up.

Ian


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