On Fri, 12 Aug 2005, wu harry wrote: > Thanks,Alan. I turned on these config items but did > not find anything obviously wrong.May I have your > suggestions? I post these module messages at boot up > below. The USB device found there is a internally > connected USB2.0 Card Reader. > > Thank you very much!
> usb.c: new device strings: Mfr=0, Product=1, > SerialNumber=2 > Product: USB Storage > usb.c: new USB bus registered, assigned bus number 3 > SerialNumber: 000000009144 > usb.c: USB device 2 (vend/prod 0x5e3/0x710) is not > claimed by any active driver. > Length = 18 > DescriptorType = 01 > USB version = 2.00 > Vendor:Product = 05e3:0710 > MaxPacketSize0 = 64 > NumConfigurations = 1 > Device version = 91.44 > Device Class:SubClass:Protocol = 00:00:00 > Per-interface classes > Configuration: > bLength = 9 > bDescriptorType = 02 > wTotalLength = 0020 > bNumInterfaces = 01 > bConfigurationValue = 01 > iConfiguration = 00 > bmAttributes = 80 > MaxPower = 500mA > > Interface: 0 > Alternate Setting: 0 > bLength = 9 > bDescriptorType = 04 > bInterfaceNumber = 00 > bAlternateSetting = 00 > bNumEndpoints = 02 > bInterface Class:SubClass:Protocol = 08:06:50 > iInterface = 00 > Endpoint: > bLength = 7 > bDescriptorType = 05 > bEndpointAddress = 81 (in) > bmAttributes = 02 (Bulk) > wMaxPacketSize = 0200 > bInterval = 00 > Endpoint: > bLength = 7 > bDescriptorType = 05 > bEndpointAddress = 02 (out) > bmAttributes = 02 (Bulk) > wMaxPacketSize = 0200 > bInterval = 00 > usb.c: new device strings: Mfr=0, Product=2, > SerialNumber=1 > Product: USB OHCI Root Hub > SerialNumber: 49ffe000 > hub.c: USB hub found > hub.c: 2 ports detected > > Using > /lib/modules/2.4.24-uc0/kernel/drivers/usb/storage/usb-storage.o > Initializing USB Mass Storage driver... > usb.c: registered new driver usb-storage > scsi0 : SCSI emulation for USB Mass Storage devices > Vendor: Generic Model: STORAGE DEVICE Rev: 9144 > Type: Direct-Access ANSI SCSI > revision: 02 > Vendor: Generic Model: STORAGE DEVICE Rev: 9144 > Type: Direct-Access ANSI SCSI > revision: 02 > Vendor: Generic Model: STORAGE DEVICE Rev: 9144 > Type: Direct-Access ANSI SCSI > revision: 02 > Vendor: Generic Model: STORAGE DEVICE Rev: 9144 > Type: Direct-Access ANSI SCSI > revision: 02 Clearly the EHCI driver is working at least partially. Otherwise you wouldn't be able to see any of these values. > # cat /proc/bus/usb/devices > T: Bus=01 Lev=01 Prnt=01 Port=02 Cnt=01 Dev#= 2 > Spd=480 MxCh= 0 Spd=480 means that the device really is running at high speed. > D: Ver= 2.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 > #Cfgs= 1 > P: Vendor=05e3 ProdID=0710 Rev=91.44 > S: Product=USB Storage > S: SerialNumber=000000009144 > C:* #Ifs= 1 Cfg#= 1 Atr=80 MxPwr=500mA > I: If#= 0 Alt= 0 #EPs= 2 Cls=08(stor.) Sub=06 Prot=50 > Driver=usb-storage > E: Ad=81(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms > E: Ad=02(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms There's no question about it. The driver and controller are indeed functioning, at least in part and maybe fully. Alan Stern ------------------------------------------------------- SF.Net email is Sponsored by the Better Software Conference & EXPO September 19-22, 2005 * San Francisco, CA * Development Lifecycle Practices Agile & Plan-Driven Development * Managing Projects & Teams * Testing & QA Security * Process Improvement & Measurement * http://www.sqe.com/bsce5sf _______________________________________________ [email protected] To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel
