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Re: [Xen-devel] [BUG] double fault for sale ;)




On 29 May 2006, at 17:03, Gerd Hoffmann wrote:

Done, see attachments for results if someone wants have a quick look,
I'll continue debugging tomorrow.

You also want to take each stack value that is between _text and _end labels and call print_symbol() on it. That will give you a better impression of the backtrace quickly. If you also print the stack delta between each value that you pass to print_symbol() you'll also see which are the stack frames that are really troublesome.

The few stack frames you looked at already look quite innocent. They don't take up much stack space. OTOH it is somewhat weird to be doing writable pagetable work that far down the stack. It'll be interesting to see what was going on to cause writable pagetable state to be flushed.

 -- Keir

Nice guess btw, it really is a debug build ;)


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