On Wed, Dec 31, 2008 at 4:00 PM, Daniel Phillips <phillips@xxxxxxxxx> wrote: > On Tuesday 30 December 2008 23:34, sniper wrote: >> Great, I have mounted tux3 filesystem under UML with stuffs in this mail, >> but I still can't debug it with gdb. Anyone gives me suggestion? > > You just have to give a "cont" command a bunch of times and you will Yes, it works now, Thanks. > eventually get to a command prompt. The reason for this is, uml uses > the segfault interrupt as part of its machine simulation, and there > is no exsiting way for uml and gdb to communicate in such a way that > uml can recognize that the interrupt came from its own code and filter > it. > > Jeff Dike is the expert on this, and Daniel Jacobowitz is the expert > on the gdb side. Fixing this would be a big effort, getting two complex > systems to cooperate better, with nontrivial API issues to solve. But > UML is such a wonderful kernel development tool that it might be worth > the effort. > > In the mean time, you could just tell gdb to mask off all segfaults, > but would be kind of problematic for debugging. > > Regards, > > Daniel > -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
