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On Wed, Mar 29 2006, Al Viro wrote: > On Wed, Mar 29, 2006 at 10:16:43AM +0200, Jens Axboe wrote: > > triggering. What sort of testing were you running, exactly? > > > > Al, any ideas? > > I really wonder why it's the call from do_exit() that triggers it. > The thing is, we get off-by-exactly-one here and all previous callers > of that puppy would be elsewhere (cfq, mostly). > > IOW, we get exactly one extra call of put_io_context() _and_ have it > happen before do_exit() (i.e. from normal IO paths). Interesting... > > Is there any way to reproduce it without too much PITA? That's what I'd like to know as well. So far I haven't seen any io context anomalies with the current kernels. I'll keep poking. -- Jens Axboe - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||
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