Re: ehci_hcd troubles
From: Giovanni (lsodgf0_at_home.net.it)
Date: 10/10/05
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Date: Mon, 10 Oct 2005 08:41:12 GMT
On 10/09/05 21:19, Larry Sonderling wrote:
> I've googled for this problem but not come up with anything even close:
>
> FIC AZ11EA motherboard (VIA VT8363A north bridge, VIA 686B super south
> bridge)
> 128MB RAM
IMO there is some bug in the USB implementation of the VIA chipsets.
I have a M.S.I motherboard with
00:00.0 Host bridge: VIA Technologies, Inc. VT8375 [KM266/KL266] Host Bridge
00:01.0 PCI bridge: VIA Technologies, Inc. VT8633 [Apollo Pro266 AGP]
00:10.0 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1
Controller (rev 80)
00:10.1 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1
Controller (rev 80)
00:10.2 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1
Controller (rev 80)
00:11.0 ISA bridge: VIA Technologies, Inc. VT8235 ISA Bridge
00:11.1 IDE interface: VIA Technologies, Inc.
VT82C586A/B/VT82C686/A/B/VT823x/A/C PIPC Bus Master IDE (rev 06)
and it is giving me troubles because 2.0 is not working correctly.
I have both a scanner and a wireless interface. They are both marked as
being USB2.0, but the former is detected only as being USB1.1 and the
latter is detected as USB2.0 but crashes under condition I was not able
to trace.
Before I switched to 2.6.9 kernel and later the wireless interface was
not detected unless I disabled the APIC in the kernel configuration.
Only when I had to reinstall WinXp I discovered that there is a driver
for the VIA usb controller and as a matter of fact both devices work as
expected.
I disabled the USB2.0 controller from the BIOS setup (it doesn't show
anymore in the device list), the ehci_hcd driver is not loaded and the
usb devices work correctly thought I can't get the top speed. This is
not a problem since for my 4Mbps ADSL connection, the USB1.1 is adequate.
Ciao
Giovanni
-- A computer is like an air conditioner, it stops working when you open Windows. Registered Linux user #337974 <http://counter.li.org/>
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