Messages in this thread |  | | Date | Sat, 13 Jan 2001 13:12:39 +1100 | From | Andrew Morton <> | Subject | Re: QUESTION: Network hangs with BP6 and 2.4.x kernels, hardware |
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Linus Torvalds wrote: > > On Sat, 13 Jan 2001, Frank de Lange wrote: > > > On Fri, Jan 12, 2001 at 04:36:33PM -0800, Linus Torvalds wrote: > > > It may well not be disable_irq() that is buggy. In fact, there's good > > > reason to believe that it's a hardware problem. > > > > I am inclined to believe it IS a hardware problem... If disable_irq were buggy, > > wouldn't the problem occur more frequently in other irq-heavy areas? A quick > > count shows that disable_irq* is used in 84 sourcefiles in the driver/* > > directory. This includes drivers which generate many interrupts in a short > > timeframe (like ide). > > IDE is not my favourite example of a "known stable driver". Also, in many > cases IDE is for historical reasons connected to an EDGE io-apic pin (ie > it's still considered an ISA interrupt). Which probably wouldn't show this > problem anyway. >
3c59x calls disable_irq() once per minute, and seems to be one of the most-affected drivers. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org Please read the FAQ at http://www.tux.org/lkml/
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