Re: Retrieving info from panics while in X


On Tue, 29 Aug 2006, Jos Backus wrote:

I was wondering if anybody has any plans to address the issue of retrieving panic/debugging information about crashes happening while X is running.

For example, -current has been broken for me for several days now; it will reliably crash within an hour or so while the main thing I'm doing is running Opera under KDE. But without X, no crash. How does one obtain panic information in this situation?

The typical approaches are:

(1) Set up a serial console and use that for debugger work; alternatively, use
a firewire console.

(2) Set up the system not to entre the debugger, but just to panic and dump
core.

I prefer the first of those options, myself, since I find the DDB debugging environment extremely useful, especially since it's quite aware of things like the kernel lock environment, etc.

Robert N M Watson
Computer Laboratory
University of Cambridge
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