Messages in this thread | | | Date | Thu, 7 Oct 1999 14:43:38 +0200 | From | Matthew Wilcox <> | Subject | Re: a small doubt |
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On Thu, Oct 07, 1999 at 02:34:36PM +0200, Jes Sorensen wrote: > >>>>> "Matthew" == Matthew Wilcox <Matthew.Wilcox@genedata.com> writes: > > Matthew> On Thu, Oct 07, 1999 at 02:47:45PM +0530, CHANDRIKA H V > Matthew> wrote: > >> *(int *)0 = 0 ; > >> > >> What is the meaning/significance of this ? > > Matthew> This is a normal way of causing an Oops. It gets you a stack > Matthew> backtrace and register dump which may help you find the cause > Matthew> of the problem. > > And a very bad one indeed since some architectures have page 0 mapped.
I didn't realise that. Do you have a better suggestion?
-- Matthew Wilcox <willy@bofh.ai> "Windows and MacOS are products, contrived by engineers in the service of specific companies. Unix, by contrast, is not so much a product as it is a painstakingly compiled oral history of the hacker subculture." - N Stephenson
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