Am Montag, 17. September 2012, 12:34:12 schrieb cov...@ccs.covici.com: > Volker Armin Hemmann <volkerar...@googlemail.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. -- #163933
