Re: [gentoo-user] Kernel options and udisk

[Volker Armin Hemmann]

Am Montag, 17. September 2012, 12:34:12 schrieb covici@××××××××××.com:
> Volker Armin Hemmann <volkerarmin@××××××××××.com> wrote:
> > Am Sonntag, 16. September 2012, 20:39:36 schrieb Dale:
> > > Howdy,
> > >
> > > I was doing a update a while back and noticed a ewarn, enotice or
> > > something going by. I used the elogviewer to go back and dig it out.
> > > This is what it says:
> > >
> > > Found sources for kernel version:
> > > 3.5.0-gentoo
> > > Checking for suitable kernel configuration options...
> > > ERROR (setup)
> > >
> > > CONFIG_USB_SUSPEND: is not set when it should be.
> > > WARN (setup)
> > >
> > > Please check to make sure these options are set correctly.
> > > Failure to do so may cause unexpected problems.
> > >
> > > So, I go into the kernel's menuconfig and find this:
> > >
> > > │ CONFIG_USB_SUSPEND: │
> > > │ │
> > > │ If you say Y here, you can use driver calls or the sysfs │
> > > │ "power/control" file to enable or disable autosuspend for │
> > > │ individual USB peripherals (see │
> > > │ Documentation/usb/power-management.txt for more details). │
> > > │ │
> > > │ Also, USB "remote wakeup" signaling is supported, whereby some │
> > > │ USB devices (like keyboards and network adapters) can wake up │
> > > │ their parent hub. That wakeup cascades up the USB tree, and │
> > > │ could wake the system from states like suspend-to-RAM. │
> > > │ │
> > > │ If you are unsure about this, say N here. │
> > > │ │
> > > │ Symbol: USB_SUSPEND [=n] │
> > > │ Type : boolean │
> > > │ Prompt: USB runtime power management (autosuspend) and wakeup │
> > > │ Defined at drivers/usb/core/Kconfig:41 │
> > > │ Depends on: USB_SUPPORT [=y] && USB [=y] && PM_RUNTIME [=y] │
> > > │ Location: │
> > > │ -> Device Drivers │
> > > │ -> USB support (USB_SUPPORT [=y]) │
> > > │ -> Support for Host-side USB (USB [=y])
> > >
> > > The important part is about 'if you are unsure about this, say N here'.
> > > Well, I don't think I need USB remote wakeup or anything so I don't
> > > think I need this but at the same time, udisk is giving me notice that
> > > it should be there.
> >
> > you you never thought about turning on your system via keyboard instead of
> > crawling under the table?
> >
> > Also it says 'if unsure, say N' not 'experimental' or 'you should say 'N'
> > here'.
> >
> > Upower wants it, so there is no 'unsure'.
> >
> > > This is a desktop system not a laptop. Do I need to listen to me not
> > > needing it or udisk that says I do?
> >
> > so what? is power managment not a good idea on a desktop`
> >
> > > Opinions?
> >
> > yes, turn it on.
>
> OK, sorry if this is a dumb question, but I did search for it using make
> menuconfig, but could not actually find it!  I have all my usb host
> controller drivers as modules, if that makes any difference.  I am using
> 3.4.0-gentoo.

hit / in menuconfig. It is there.
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