Messages in this thread |  | | | Date | Wed, 14 Jan 2004 12:02:02 -0800 | | From | George Anzinger <> | | Subject | Re: [discuss] Re: kgdb for x86_64 2.6 kernels |
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Matt Mackall wrote: > On Tue, Jan 13, 2004 at 01:26:46PM -0800, George Anzinger wrote: > >>>Serial interface should be configurable independent of kgdb and may not be >>>configured if ethernet interface is configured. Serial interface is far >>>simpler hence superior for debugging purposes. If it's available, using >>>ethernet interface is out of question. Ethernet interface can be used when >>>serial hardware isn't present or is being used for some other purposes. >>> >> >>I rather think that the serial inteface should be the fall back unless the >>user has told us at configure time that it is not available. I am not >>prepared to make a statment that it is better than eth. The eth intface >>should be much faster, but it has its fingers into a large part of the >>kernel that MAY be the subject of the current session. Thus, I think that >>eth may be better, IF one is clearly not involved in debugging those areas >>of the kernel. (Which, by the way, we need to enumerate at some point.) > > > I have in mind creating some other interfaces that will be on a par > with serial for early boot availability. So lets not frame this in > terms of eth vs serial. We can throw a priority int in the config > interface, stuff that in the plug struct, and pick whichever one's > highest and claims to be currently available. > Right. I had hoped that we might one day be able to use the USB and I am sure there are others.
-- George Anzinger george@mvista.com High-res-timers: http://sourceforge.net/projects/high-res-timers/ Preemption patch: http://www.kernel.org/pub/linux/kernel/people/rml
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