Re: Power state of USB port on computer reboot

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Tue, Apr 09, 2013 at 02:00:51PM +0000, Blaz Malnersic wrote:
>  
> Is it possible to influence USB power on OS reboot? Linux and BIOS don't 
> interrupt the power of USB port on reboot, only Windows (all versions we 
> tested do). This along with different times of power lack leads me to 
> conclusion that there is no standard regarding this issue. Also we are 
> dealing with SW+HW, since we only found this issue with Lenovo ThinkPads.

As you are having problems with Windows, not Linux, why are you asking
this on a Linux mailing list?  Please just file a bug with Windows if
this is a needed thing for your systems (hint, you can never rely on USB
power being present across a reboot, that's an undefined system state,
sorry.)

good luck,

greg k-h
--
To unsubscribe from this list: send the line "unsubscribe linux-usb" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html




[Index of Archives]     [Linux Media]     [Linux Input]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]     [Old Linux USB Devel Archive]

  Powered by Linux