On Thursday, 22 of November 2007, Tomas Carnecky wrote:
> Rafael J. Wysocki wrote:
> > On Sunday, 18 of November 2007, Tomas Carnecky wrote:
> >> Pavel Machek wrote:
> >>> Hi!
> >>>
> >>>> echo disk > /sys/power/state
> >>>>
> >>>> successfully saves that state to the disk, but just as the laptop is
> >>>> about to turn itself off, it reboots (successfully, so the
> >>>> hibernation/resume process works well, even with X running! which is
> >>>> awesome :) ). But I'd rather like the computer turned off after I
> >>>> hibernate it. Where could the problem be?
> >>>>
> >>>> It's a new laptop, TP X61 tablet, I tried ubuntu (7.10, gutsy) for a few
> >>>> days, both suspend and hibernate worked there (with one or two crashes,
> >>>> probably due to X, I've read that the intel driver got some
> >>>> suspend/resume improvements recently). Now I'm running gentoo, kernel
> >>>> 2.6.24-rc2. I'm using newer versions of almost all software now compared
> >>>> to the ubuntu system.
> >>> If it works in older ubuntu, you can probably do bisect. Does normal
> >>> shutdown work? You can try platform vs. shutdown mode...
> >> I forgot, normal shutdown (init 0) works, the 'shutdown' command fails
> >> somewhere in the gentoo init scripts, but that has nothing to do with
> >> the kernel. 'init 6' also works. Both regardless of where the notebook
> >> is (dock or outside).
> >
> > Please verify if you have the ehci_hcd driver loaded when the box is in the
> > dock. If so, please try to unload it before hibernation and see if the box
> > will reboot.
>
> I had to recompile the kernel because I have a monolithic kernel with as
> many components as possible compiled in. But after I disabled the whole
> USB subsystem, the laptop doesn't reboot anymore after hibernation. Is
> that a bug in the usb driver
Well, I suspect so. We've already had a similar report and there are some
problems that seem to be related to it with some boxes. Still, nobody knows
what the problem really is so far.
> or are users supposed to unload ehci_hcd each time before hibernation?
As a (hopefully temporary) workaround.
> In the former case, I'd be willing to help debug.
We have yet to figure out how to do that. :-)
Greetings,
Rafael
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