RE: [Xen-devel] gdbserver-xen / gdb crashing domU

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

> domu_debug must be enabled in xen's Rules.mk, otherwise the 
> int3 gets passed onto the OS which will cause it to crash as 
> it isn't expecting to see a debug trap in ring 0 (unless of 
> course you have a  debugger compiled into the kernel itself). 
> 
> Just re-compile and then pass -p (pause) to xm create 
> followed by an attach with gdbserver-xen.

Why don't we have a dom0 op that sets this for a specific domain, hence
when a debugger attaches to a domain we can route the int3
appropriately?

Ian

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