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 > > ------- You are receiving this mail because: ------- > You are on the CC list for the bug, or are watching someone who is.
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