Re: [Bugme-new] [Bug 8318] New: Cannot use High-speed USB device - ehci_hcd says: "...config 9 has an invalid descriptor of length 0..."

On Tue, 10 Apr 2007 12:12:36 -0700
[email protected] wrote:

> http://bugzilla.kernel.org/show_bug.cgi?id=8318
> 
>            Summary: Cannot use High-speed USB device - ehci_hcd says:
>                     "...config 9 has an invalid descriptor of length 0..."
>     Kernel Version: 2.6.20.6
>             Status: NEW
>           Severity: normal
>              Owner: [email protected]
>          Submitter: [email protected]
> 
> 
> Most recent kernel where this bug did *NOT* occur:
> Don't know. But it do also occur for debian kernel 2.6.18-4.
> 
> Distribution:
> Debian Etch
> 
> Hardware Environment:
> Intel Pentium 4
> ASRock 775VM8 motherboard
> 
> lspci:
> 00:00.0 Host bridge: VIA Technologies, Inc. CN400/PM880 Host Bridge
> 00:00.1 Host bridge: VIA Technologies, Inc. CN400/PM880 Host Bridge
> 00:00.2 Host bridge: VIA Technologies, Inc. CN400/PM880 Host Bridge
> 00:00.3 Host bridge: VIA Technologies, Inc. CN400/PM880 Host Bridge
> 00:00.4 Host bridge: VIA Technologies, Inc. CN400/PM880 Host Bridge
> 00:00.7 Host bridge: VIA Technologies, Inc. CN400/PM880 Host Bridge
> 00:01.0 PCI bridge: VIA Technologies, Inc. VT8237 PCI Bridge
> 00:0f.0 RAID bus controller: VIA Technologies, Inc. VIA VT6420 SATA RAID
> Controller (rev 80)
> 00:0f.1 IDE interface: VIA Technologies, Inc.
> VT82C586A/B/VT82C686/A/B/VT823x/A/C PIPC Bus Master IDE (rev 06)
> 00:10.0 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 Controller
> (rev 81)
> 00:10.1 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 Controller
> (rev 81)
> 00:10.2 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 Controller
> (rev 81)
> 00:10.3 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 Controller
> (rev 81)
> 00:10.4 USB Controller: VIA Technologies, Inc. USB 2.0 (rev 86)
> 00:11.0 ISA bridge: VIA Technologies, Inc. VT8237 ISA bridge
> [KT600/K8T800/K8T890 South]
> 00:11.5 Multimedia audio controller: VIA Technologies, Inc. VT8233/A/8235/8237
> AC97 Audio Controller (rev 60)
> 00:12.0 Ethernet controller: VIA Technologies, Inc. VT6102 [Rhine-II] (rev 78)
> 01:00.0 VGA compatible controller: VIA Technologies, Inc. S3 Unichrome Pro VGA
> Adapter (rev 02)
> 
> 
> Problem Description:
> My external USB hard drive do not work as a high speed device. When I insert it,
> I get dmesg-error like "...config 9 has an invalid descriptor of length 0...".
> 
> If I remove ehci_hcd (rmmod ehci_hcd) it starts working, but only at full speed
> (14 megabit/s).
> 
> To clarify the problem I did:
> 
> * lsusb -v >"lsusb_v before insertion of USB Device.txt"
> * lspci -v >"lspci_v before insertion of USB Device.txt"
> * Attach device
> * dmesg >"dmesg after insertion of USB Device.txt"
> * lsmod >"lsmod after insertion of USB Device.txt"
> * rmmod ehci_hcd
> * dmesg >"dmesg after rmmod_echi_hcd.txt"
> * modprobe ehci_hcd
> ** returns lots (> 30) blank lines
> * dmesg >"dmesg after modprobe_echi_hcd.txt"
> 
> The created files are attached. Also my kernel's .config file is attached.
> 
> I have also tested the external hard drive on a machine running MS windows. It
> worked fine, with transfer rates above 15 megabyte/s. However, it was not the
> same as the box running Linux, as this box is currently Linux-only.
> 
> 
> Steps to reproduce:
> * Make ehci_hcd is loaded
> * Insert USB device into (my) computer
> 
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