I have a pc that I use as a VDR. In order to use less power and make it a little quiter I run it with a lower FSB than I could. Normal is FSB 133 Mhz and I run it with 66 Mhz FSB.
The problem is that the ehci_hcd doesn't work with my FSB 66 Mhz. No USB 2.0 memory stick and no USB 2.0 harddisk. If I remove ehci_hcd it runs nicely with uhci_hcd, but slowly of course. When I run it with FSB 66 Mhz I get: kernel: usb 4-2: new high speed USB device using ehci_hcd and address 2 kernel: usb 4-2: no configurations kernel: usb 4-2: can't read configurations, error -22 When I run it with FSB 133 Mhz I get: kernel: usb 4-2: new high speed USB device using ehci_hcd and address 2 kernel: usb 4-2: configuration #1 chosen from 1 choice When I boot into Windows USB seems to work nicely in FSB 66 so it shouldn't be a hardware problem? The processor is an AMD 2400+ XP. Kernel:Fedora core 6 2.6.19-1.2895.fc6 Josce My lcpci -v: 00:00.0 Host bridge: VIA Technologies, Inc. VT8377 [KT400/KT600 AGP] Host Bridge (rev 80) Subsystem: ASRock Incorporation K7VT6 motherboard Flags: bus master, 66MHz, medium devsel, latency 8 Memory at e0000000 (32-bit, prefetchable) [size=64M] Capabilities: [80] AGP version 3.5 Capabilities: [c0] Power Management version 2 00:01.0 PCI bridge: VIA Technologies, Inc. VT8237 PCI Bridge (prog-if 00 [Normal decode]) Flags: bus master, 66MHz, medium devsel, latency 0 Bus: primary=00, secondary=01, subordinate=01, sec-latency=0 I/O behind bridge: 0000c000-0000cfff Memory behind bridge: dfe00000-dfefffff Prefetchable memory behind bridge: cfd00000-dfcfffff Capabilities: [80] Power Management version 2 00:0a.0 Multimedia controller: Philips Semiconductors SAA7146 (rev 01) Subsystem: Technotrend Systemtechnik GmbH Technotrend/Hauppauge DVB card rev2.1 Flags: bus master, medium devsel, latency 32, IRQ 18 Memory at dffffe00 (32-bit, non-prefetchable) [size=512] 00:0c.0 Ethernet controller: Atheros Communications, Inc. AR5212 802.11abg NIC (rev 01) Subsystem: D-Link System Inc DWL-G520 Wireless PCI Adapter Flags: bus master, medium devsel, latency 168, IRQ 17 Memory at dffe0000 (32-bit, non-prefetchable) [size=64K] Capabilities: [44] Power Management version 2 00:10.0 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 Controller (rev 80) (prog-if 00 [UHCI]) Subsystem: ASRock Incorporation K7VT6 Flags: bus master, medium devsel, latency 32, IRQ 16 I/O ports at e400 [size=32] Capabilities: [80] Power Management version 2 00:10.1 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 Controller (rev 80) (prog-if 00 [UHCI]) Subsystem: ASRock Incorporation K7VT6 Flags: bus master, medium devsel, latency 32, IRQ 16 I/O ports at e800 [size=32] Capabilities: [80] Power Management version 2 00:10.2 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 Controller (rev 80) (prog-if 00 [UHCI]) Subsystem: ASRock Incorporation K7VT6 Flags: bus master, medium devsel, latency 32, IRQ 16 I/O ports at ec00 [size=32] Capabilities: [80] Power Management version 2 00:10.3 USB Controller: VIA Technologies, Inc. USB 2.0 (rev 82) (prog-if 20 [EHCI]) Subsystem: ASRock Incorporation K7VT6 motherboard Flags: bus master, medium devsel, latency 32, IRQ 16 Memory at dffffd00 (32-bit, non-prefetchable) [size=256] Capabilities: [80] Power Management version 2 00:11.0 ISA bridge: VIA Technologies, Inc. VT8235 ISA Bridge Subsystem: ASRock Incorporation K7VT2 motherboard Flags: bus master, stepping, medium devsel, latency 0 Capabilities: [c0] Power Management version 2 00:11.1 IDE interface: VIA Technologies, Inc. VT82C586A/B/VT82C686/A/B/VT823x/A/C PIPC Bus Master IDE (rev 06) (prog-if 8a [Master SecP PriP]) Subsystem: ASRock Incorporation K7VT2/K7VT6 motherboard Flags: bus master, medium devsel, latency 32, IRQ 255 I/O ports at fc00 [size=16] Capabilities: [c0] Power Management version 2 00:11.5 Multimedia audio controller: VIA Technologies, Inc. VT8233/A/8235/8237 AC97 Audio Controller (rev 50) Subsystem: ASRock Incorporation K7VT6 motherboard Flags: medium devsel, IRQ 19 I/O ports at e000 [size=256] Capabilities: [c0] Power Management version 2 01:00.0 VGA compatible controller: ATI Technologies Inc Radeon RV100 QY [Radeon 7000/VE] (prog-if 00 [VGA]) Subsystem: Connect Components Ltd Radeon 7000 64MB DDR + DVI Flags: bus master, stepping, 66MHz, medium devsel, latency 32, IRQ 11 Memory at d0000000 (32-bit, prefetchable) [size=128M] I/O ports at c800 [size=256] Memory at dfef0000 (32-bit, non-prefetchable) [size=64K] Expansion ROM at dfec0000 [disabled] [size=128K] Capabilities: [58] AGP version 2.0 Capabilities: [50] Power Management version 2 ________________________________________________________________________ Check Out the new free AIM(R) Mail -- 2 GB of storage and industry-leading spam and email virus protection. ------------------------------------------------------------------------- Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier. Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642 _______________________________________________ Linux-usb-users@lists.sourceforge.net To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-users