Re: 2.6.25-rc7: Ugh.

[Mark Lord]

(CCing linux-usb again)
(CCing Alan Stern on this sub-thread)

Oliver Neukum wrote:
> Am Montag, 31. MÃrz 2008 21:21:45 schrieb Mark Lord:
> > Oliver Neukum wrote:
> > > But if power is cut with newer kernels and older kernels retain it, something
> > > must have changed. Can you undo the ACPI changes since the last working
> > > kernel?
> > ..
> >
> > No, that's no different.
> > This notebook always cuts +5V from USB on suspend or poweroff.
> > Regardless of kernel version.  I don't know how common this is,
> > but all of my notebooks here have always behaved this way,
> > as have most (but not all) of the larger systems.
> >
> > The two most recent PCIe motherboards I have here
> > do provide +5V standby power to USB, even when "OFF",
> > much to my annoyance and to the detriment of this planet.
>
> Very well.
>
> Mark, can you get a sysrq-t trace of your whole system when USB goes
> dead? And please enable CONFIG_USB_DEBUG. We need to do whether
> khubd and ksuspend_usbd are in state D.
..

Both of those things were already done, and results from the last time
are attached to the bugzilla report: http://bugzilla.kernel.org/show_bug.cgi?id=10345

I'll be installing -rc8 today, and see what happens there.

Cheers

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