Re: Problem with USB2 devices connected to a hub

2019-04-15 Thread Alan Stern
On Mon, 15 Apr 2019, Georg Chini wrote: > >> So what you are saying is that it's a "bug" or "feature" of the C3858 > >> CPU and can't be fixed, right? > > An unfortunate feature of the xHCI design is that bandwidth > > computations are all done internally by the xHC controller. There's no > > way

Re: Problem with USB2 devices connected to a hub

2019-04-15 Thread Georg Chini
On 15.04.19 20:10, Alan Stern wrote: On Mon, 15 Apr 2019, Georg Chini wrote: On 15.04.19 17:17, Mathias Nyman wrote: On 12.4.2019 22.48, Georg Chini wrote: On 08.04.19 08:46, Georg Chini wrote: On 02.04.19 16:52, Mathias Nyman wrote: On 28.3.2019 15.41, Mathias Nyman wrote: The issue happe

Re: Problem with USB2 devices connected to a hub

2019-04-15 Thread Alan Stern
On Mon, 15 Apr 2019, Georg Chini wrote: > On 15.04.19 17:17, Mathias Nyman wrote: > > On 12.4.2019 22.48, Georg Chini wrote: > >> On 08.04.19 08:46, Georg Chini wrote: > >>> On 02.04.19 16:52, Mathias Nyman wrote: > On 28.3.2019 15.41, Mathias Nyman wrote: > > > >>> The issue happens

Re: Problem with USB2 devices connected to a hub

2019-04-15 Thread Georg Chini
On 15.04.19 17:17, Mathias Nyman wrote: On 12.4.2019 22.48, Georg Chini wrote: On 08.04.19 08:46, Georg Chini wrote: On 02.04.19 16:52, Mathias Nyman wrote: On 28.3.2019 15.41, Mathias Nyman wrote: The issue happens when only a single hub and a single device is connected to the USB subsyste

Re: Problem with USB2 devices connected to a hub

2019-04-15 Thread Mathias Nyman
On 12.4.2019 22.48, Georg Chini wrote: On 08.04.19 08:46, Georg Chini wrote: On 02.04.19 16:52, Mathias Nyman wrote: On 28.3.2019 15.41, Mathias Nyman wrote: The issue happens when only a single hub and a single device is connected to the USB subsystem. On my previous board, I had two USB do

Re: Problem with USB2 devices connected to a hub

2019-04-12 Thread Georg Chini
On 08.04.19 08:46, Georg Chini wrote: On 02.04.19 16:52, Mathias Nyman wrote: On 28.3.2019 15.41, Mathias Nyman wrote: The issue happens when only a single hub and a single device is connected to the USB subsystem. On my previous board, I had two USB dongles and two sound devices connected t

Re: Problem with USB2 devices connected to a hub

2019-04-07 Thread Georg Chini
On 02.04.19 16:52, Mathias Nyman wrote: On 28.3.2019 15.41, Mathias Nyman wrote: The issue happens when only a single hub and a single device is connected to the USB subsystem. On my previous board, I had two USB dongles and two sound devices connected to the same hub and it worked without is

Re: Problem with USB2 devices connected to a hub

2019-04-02 Thread Mathias Nyman
On 28.3.2019 15.41, Mathias Nyman wrote: The issue happens when only a single hub and a single device is connected to the USB subsystem. On my previous board, I had two USB dongles and two sound devices connected to the same hub and it worked without issues. So I guess it is not a real bandwidt

Re: Problem with USB2 devices connected to a hub

2019-03-28 Thread Mathias Nyman
The issue happens when only a single hub and a single device is connected to the USB subsystem. On my previous board, I had two USB dongles and two sound devices connected to the same hub and it worked without issues. So I guess it is not a real bandwidth limit. Somehow the hub seems to eat the

Re: Problem with USB2 devices connected to a hub

2019-03-28 Thread Georg Chini
On 21.03.19 21:21, Georg Chini wrote: On 21.03.19 16:19, Mathias Nyman wrote: On 21.3.2019 13.05, Georg Chini wrote: On 16.03.19 15:52, Georg Chini wrote: On 15.03.19 17:04, Georg Chini wrote: On 15.03.19 15:48, Mathias Nyman wrote: On 14.3.2019 20.39, Georg Chini wrote: On 14.03.19 15:00,

Re: Problem with USB2 devices connected to a hub

2019-03-21 Thread Georg Chini
On 21.03.19 16:19, Mathias Nyman wrote: On 21.3.2019 13.05, Georg Chini wrote: On 16.03.19 15:52, Georg Chini wrote: On 15.03.19 17:04, Georg Chini wrote: On 15.03.19 15:48, Mathias Nyman wrote: On 14.3.2019 20.39, Georg Chini wrote: On 14.03.19 15:00, Mathias Nyman wrote: On 14.3.2019 14.3

Re: Problem with USB2 devices connected to a hub

2019-03-21 Thread Mathias Nyman
On 21.3.2019 13.05, Georg Chini wrote: On 16.03.19 15:52, Georg Chini wrote: On 15.03.19 17:04, Georg Chini wrote: On 15.03.19 15:48, Mathias Nyman wrote: On 14.3.2019 20.39, Georg Chini wrote: On 14.03.19 15:00, Mathias Nyman wrote: On 14.3.2019 14.38, Georg Chini wrote: Hello, I have a p

Re: Problem with USB2 devices connected to a hub

2019-03-21 Thread Georg Chini
On 16.03.19 15:52, Georg Chini wrote: On 15.03.19 17:04, Georg Chini wrote: On 15.03.19 15:48, Mathias Nyman wrote: On 14.3.2019 20.39, Georg Chini wrote: On 14.03.19 15:00, Mathias Nyman wrote: On 14.3.2019 14.38, Georg Chini wrote: Hello, I have a problem with multiple USB2 devices. After

Re: Problem with USB2 devices connected to a hub

2019-03-16 Thread Georg Chini
On 15.03.19 17:04, Georg Chini wrote: On 15.03.19 15:48, Mathias Nyman wrote: On 14.3.2019 20.39, Georg Chini wrote: On 14.03.19 15:00, Mathias Nyman wrote: On 14.3.2019 14.38, Georg Chini wrote: Hello, I have a problem with multiple USB2 devices. After purchasing a new motherboard, some US

Re: Problem with USB2 devices connected to a hub

2019-03-15 Thread Georg Chini
On 15.03.19 15:48, Mathias Nyman wrote: On 14.3.2019 20.39, Georg Chini wrote: On 14.03.19 15:00, Mathias Nyman wrote: On 14.3.2019 14.38, Georg Chini wrote: Hello, I have a problem with multiple USB2 devices. After purchasing a new motherboard, some USB2 devices (specifically audio devices

Re: Problem with USB2 devices connected to a hub

2019-03-15 Thread Mathias Nyman
On 14.3.2019 20.39, Georg Chini wrote: On 14.03.19 15:00, Mathias Nyman wrote: On 14.3.2019 14.38, Georg Chini wrote: Hello, I have a problem with multiple USB2 devices. After purchasing a new motherboard, some USB2 devices (specifically audio devices and bluetooth dongles) do no longer work

Re: Problem with USB2 devices connected to a hub

2019-03-14 Thread Georg Chini
On 14.03.19 15:00, Mathias Nyman wrote: On 14.3.2019 14.38, Georg Chini wrote: Hello, I have a problem with multiple USB2 devices. After purchasing a new motherboard, some USB2 devices (specifically audio devices and bluetooth dongles) do no longer work when connected to a hub, even if they a

Re: Problem with USB2 devices connected to a hub

2019-03-14 Thread Mathias Nyman
On 14.3.2019 14.38, Georg Chini wrote: Hello, I have a problem with multiple USB2 devices. After purchasing a new motherboard, some USB2 devices (specifically audio devices and bluetooth dongles) do no longer work when connected to a hub, even if they are the only device on the hub. They do wo

Problem with USB2 devices connected to a hub

2019-03-14 Thread Georg Chini
Hello, I have a problem with multiple USB2 devices. After purchasing a new motherboard, some USB2 devices (specifically audio devices and bluetooth dongles) do no longer work when connected to a hub, even if they are the only device on the hub. They do work when they are directly connected to