Messages in this thread | | | Date | Wed, 10 Aug 2005 13:11:29 +0200 | From | Pierre Ossman <> | Subject | Re: 8139cp misses interrupts during resume |
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Pierre Ossman wrote: > Pierre Ossman wrote: > >>I'm having problem with the interrupt getting killed after suspend with >>my 8139cp controller. The problem only appears if the cable is connected >>during resume (before suspend is irrelevant) and the interface is down. >> >>Both suspend-to-disk and suspend-to-ram exhibit the error. dmesg from >>suspend-to-ram included. >> >>I find it a bit strange that 8139cp's interrupt handler isn't included >>when it dumps the handlers. Could this be related to the problem? >> > > > Anyone familiar with this driver that can give me some pointers on what > to look for? I'd prefer not to have to learn how the entire thing works > just to fix one bug. :) >
I've gotten a bit close now at least. The problem is that the IRQ handler isn't registered until the device is opened (up:ed) but the hardware triggers interrupt even in a closed state. So either the hardware needs to be silenced or the handler needs to be installed earlier.
Rgds Pierre - 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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