Messages in this thread | | | Date | Tue, 6 Jan 2009 08:42:41 -0800 (PST) | From | Linus Torvalds <> | Subject | Re: [PATCH][RFC]: mutex: adaptive spin |
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On Tue, 6 Jan 2009, Linus Torvalds wrote: > > Right now, if some process deadlocks on a mutex, we get hung process, but > with a nice backtrace and hopefully other things (that don't need that > lock) still continue to work.
Clarification: the "nice backtrace" we only get with something like sysrq-W, of course. We don't get a backtrace _automatically_, but with an otherwise live machine, there's a better chance that people do get wchan or other info. IOW, it's at least a fairly debuggable situation.
Linus
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