From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: MIME-Version: 1.0 In-Reply-To: References: Date: Thu, 16 Oct 2014 20:35:54 +0530 Message-ID: Subject: Re: btusb_intr_complete returns -EPIPE From: Naveen Kumar Parna To: Alan Stern Cc: Oliver Neukum , "linux-bluetooth@vger.kernel.org" , linux-usb@vger.kernel.org, acho@suse.com Content-Type: text/plain; charset=UTF-8 Sender: linux-bluetooth-owner@vger.kernel.org List-ID: Ok, I will do this and update you. But Currently I am on long leave and I can update you on 27th Oct. Thanks, Naveen On Thu, Oct 16, 2014 at 7:39 PM, Alan Stern wrote: > On Thu, 16 Oct 2014, Naveen Kumar Parna wrote: > >> > Indeed. However, it is possible to use an additional in between your >> > devices and the internal hub. >> > >> > Regards >> > Oliver >> > >> > >> >> >> Tested with this configuration(external hubs Dev 3, Dev 4, Dev 17, Dev >> 10) and got the same result. >> >> /: Bus 02.Port 1: Dev 1, Class=root_hub, Driver=ehci-pci/2p, 480M >> >> /: Bus 01.Port 1: Dev 1, Class=root_hub, Driver=ehci-pci/2p, 480M >> >> |__ Port 1: Dev 2, If 0, Class=hub, Driver=hub/6p, 480M >> >> |__ Port 5: Dev 3, If 0, Class=hub, Driver=hub/7p, 12M >> >> |__ Port 1: Dev 4, If 0, Class=hub, Driver=hub/7p, 12M > > This is not what Oliver meant. You have to use a USB-2 hub. And > having one of them is enough; you don't need two. > > Alan Stern >