Messages in this thread | | | From | Daniel Ritz <> | Subject | Re: [linux-usb-devel] Re: 2.6.13-mm2 | Date | Wed, 28 Sep 2005 22:45:29 +0200 |
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On Wednesday 28 September 2005 22.23, David Brownell wrote: > > > > > BTW, please have a look at: > > > > > http://bugzilla.kernel.org/show_bug.cgi?id=4416#c36 > > > > > and > > > > > http://bugzilla.kernel.org/show_bug.cgi?id=4416#c37 > > What's with the bogus dates in those reports ... claiming some of you > were testing 2.6.13-rc2-mm2 more than two months ago, mid-July ?????
hu? your point is?
> > > > > > interesting. i'd say we get interrupt storms from usb which then hurt when > > > > yenta has it's handler installed but usb has not. usb/hcd-pci.c frees the > > > > irq on suspend...so it may be enough not to do that (survives suspend-to-ram > > > > and suspend-to-disk here. yes, restore too :) > > > > > > > > could you give that a tree w/o any free_irq-patches for yenta and co? > > > > > > I've tried and it apparently works provided that _none_ of the IRQ-sharing > > > devices drops the IRQ on suspend. > > > > ok. i didn't look too close, but i think ohci-hcd does not fully disable > > interrupts in it's suspend callback...needs a closer look. > > cc:ing linux-usb-devel... > > It's handled in hcd-pci.c ... All PCI based HCDs release their IRQs > when they suspend. Including OHCI. Your diagnosis is incorrect.
would you be kind enough to tell me where?
my point is: the test patch i sent to rafael which comments out the free_irq-on-suspend thing in hcd-pci.c shows that something is wrong with USB (i think only OHCI. UHCI looks ok and about EHCI i have no data).
> > - Dave >
rgds -daniel - 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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