On Fri, 28 May 2004 13:06:35 -0700 David Brownell wrote: > David Relson wrote: > > > > Is there anything useful I can do with respect to further testing > > either the OHCI or ACPI drivers? > > The only thing that comes to mind is forwarding the relevant > /sys/class/usb_host/$BUSNUM/registers file(s), maybe they'll > show something. If the hub driver can't enable those ports, > I'm not sure what would go wrong. > > There's an experiment you could try, but I suspect it won't > change anything. "modprobe ohci-hcd power_switching" can > help on some hardware that's wired for it. Some hosts are, > some aren't. I've got a device that doesn't respond modprobe ohci-hcd > power_switching [EMAIL PROTECTED] usb-2.6.7]# lsmod to > USB reset correctly, it needs to see USB power up/down or > it won't appear at boot time ... which means it's got to > be on an external hub, or on an appropriate root hub. > > - Dave >
Hi Dave, The results are below. What they mean is outside my expertise :-< David ### /sys/class/usb_host/usb/registers ### bus pci, device 0000:00:07.4 ohci_hcd version 2004 Feb 02 OHCI 1.0, with legacy support registers control 0x6c3 RWE RWC HCFS=suspend CBSR=3 cmdstatus 0x00000 SOC=0 intrstatus 0x00000000 intrenable 0x8000000a MIE RD WDH hcca frame 0x6fbe fmintvl 0xa7782edf FITFSMPS=0xa778 FI=0x2edf fmremaining 0x80002b33 FRTFR=0x2b33 periodicstart 0x2a2f lsthresh 0x0628 roothub.a 01000204 POTPGT=1 NPS NDP=4 roothub.b 00000000 PPCM=0000 DR=0000 roothub.status 00008002 DRWE OCI roothub.portstatus [0] 0x00000100 PPS roothub.portstatus [1] 0x00000100 PPS roothub.portstatus [2] 0x00000100 PPS roothub.portstatus [3] 0x00000100 PPS ### modprobe ohci-hcd power_switching ### May 28 16:23:30 osage kernel: ohci_hcd 0000:00:07.4: Advanced Micro Devices [AMD] AMD-766 [ViperPlus] USB May 28 16:23:30 osage kernel: ohci_hcd 0000:00:07.4: irq 11, pci mem c00dc000 May 28 16:23:30 osage kernel: ohci_hcd 0000:00:07.4: new USB bus registered, assigned bus number 1 May 28 16:23:30 osage kernel: usb usb1: Product: Advanced Micro Devices [AMD] AMD-766 [ViperPlus] USB May 28 16:23:30 osage kernel: usb usb1: Manufacturer: Linux 2.6.7-smp-rc1 ohci_hcd May 28 16:23:30 osage kernel: usb usb1: SerialNumber: 0000:00:07.4 May 28 16:23:30 osage kernel: hub 1-0:1.0: USB hub found May 28 16:23:30 osage kernel: hub 1-0:1.0: 4 ports detected May 28 16:23:30 osage kernel: hub 1-0:1.0: over-current change on port 1 May 28 16:23:30 osage kernel: hub 1-0:1.0: over-current change on port 2 May 28 16:23:30 osage kernel: hub 1-0:1.0: over-current change on port 3 May 28 16:23:30 osage kernel: hub 1-0:1.0: over-current change on port 4 ------------------------------------------------------- This SF.Net email is sponsored by: Oracle 10g Get certified on the hottest thing ever to hit the market... Oracle 10g. Take an Oracle 10g class now, and we'll give you the exam FREE. http://ads.osdn.com/?ad_id=3149&alloc_id=8166&op=click _______________________________________________ [EMAIL PROTECTED] To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel
