> On Thu, 11 Aug 2005, wu harry wrote: > > > > 2.4.24 is pretty old. If at all possible, you > > > should work with a current > > > 2.6 kernel. > > > > > > This is a pretty obvious point... but if you > want > > > help debugging a > > > USB problem, the best way to start is to turn on > the > > > kernel's USB > > > debugging facilities (CONFIG_USB_DEBUG and > > > CONFIG_USB_STORAGE_DEBUG). > > > > > > Alan Stern > > > > > > > > I have to use 2.4 kernel, although I know that 2.6 > is > > much better.I want to know if there are some way > to > > test whether ehci is functioning other than > testing > > the speed? > > > > I choose not to insmod the ohci driver and use the > > ehci driver only, but the performace is still > poor. > > Like I said above, to see whether ehci-hcd is > functioning you should turn > on CONFIG_USB_DEBUG and CONFIG_USB_STORAGE_DEBUG. > > Alan Stern > >
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! Harry ------------------------------------------------------ Using /lib/modules/2.4.24-uc0/kernel/drivers/usb/usbcore.o usb.c: registered new driver usbdevfs usb.c: registered new driver hub Using /lib/modules/2.4.24-uc0/kernel/drivers/usb/host/hcd.o Warning: loading hcd will taint the kernel: no license See http://www.tux.org/lkml/#export-tainted for information about tainted modules Using /lib/modules/2.4.24-uc0/kernel/drivers/usb/host/ehci-hcd.o ehci_hcd 00:04.2: Philips Semiconductors USB 2.0 Host Controller ehci_hcd 00:04.2: irq 23, pci mem 49ffdf00 usb.c: new USB bus registered, assigned bus number 1 ehci_hcd 00:04.2: USB 2.0 enabled, EHCI 0.95, driver 2003-Jun-19/2.4 usb.c: new device strings: Mfr=3, Product=2, SerialNumber=1 Manufacturer: Linux 2.4.24-uc0 ehci_hcd Product: Philips Semiconductors USB 2.0 Host Controller SerialNumber: 00:04.2 hub.c: USB hub found hub.c: 4 ports detected Using /lib/modules/2.4.24-uc0/kernel/drivers/usb/host/usb-ohci.o usb-ohci.c: USB OHCI at membase 0x49fff000, IRQ 23 usb-ohci.c: usb-00:04.0, Philips Semiconductors USB 1.1 Host Controller usb.c: new USB bus registered, assigned bus number 2 usb.c: new device strings: Mfr=0, Product=2, SerialNumber=1 Product: USB OHCI Root Hub SerialNumber: 49fff000 hub.c: USB hub found hub.c: 2 ports detected hub.c: new USB device 00:04.2-3, assigned address 2 usb-ohci.c: USB OHCI at membase 0x49ffe000, IRQ 23 usb-ohci.c: usb-00:04.1, Philips Semiconductors USB 1.1 Host Controller (#2) 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 Attached scsi removable disk sda at scsi0, channel 0, id 0, lun 0 Attached scsi removable disk sdb at scsi0, channel 0, id 0, lun 1 Attached scsi removable disk sdc at scsi0, channel 0, id 0, lun 2 Attached scsi removable disk sdd at scsi0, channel 0, id 0, lun 3 sda: Unit Not Ready, sense: Current 00:00: sense key Not Ready Additional sense indicates Medium not present sda : READ CAPACITY failed. sda : status = 1, message = 00, host = 0, driver = 08 Current sd00:00: sense key Not Ready Additional sense indicates Medium not present sda : block size assumed to be 512 bytes, disk size 1GB. Partition check: /dev/scsi/host0/bus0/target0/lun0: I/O error: dev 08:00, sector 0 I/O error: dev 08:00, sector 0 ldm_validate_partition_table(): Disk read failed. I/O error: dev 08:00, sector 0 unable to read partition table sdb: Unit Not Ready, sense: Current 00:00: sense key Not Ready Additional sense indicates Medium not present sdb : READ CAPACITY failed. sdb : status = 1, message = 00, host = 0, driver = 08 Current sd00:00: sense key Not Ready Additional sense indicates Medium not present sdb : block size assumed to be 512 bytes, disk size 1GB. /dev/scsi/host0/bus0/target0/lun1: I/O error: dev 08:10, sector 0 I/O error: dev 08:10, sector 0 ldm_validate_partition_table(): Disk read failed. I/O error: dev 08:10, sector 0 unable to read partition table sdc: Unit Not Ready, sense: Current 00:00: sense key Not Ready Additional sense indicates Medium not present sdc : READ CAPACITY failed. sdc : status = 1, message = 00, host = 0, driver = 08 Current sd00:00: sense key Not Ready Additional sense indicates Medium not present sdc : block size assumed to be 512 bytes, disk size 1GB. /dev/scsi/host0/bus0/target0/lun2: I/O error: dev 08:20, sector 0 I/O error: dev 08:20, sector 0 ldm_validate_partition_table(): Disk read failed. I/O error: dev 08:20, sector 0 unable to read partition table sdd: Unit Not Ready, sense: Current 00:00: sense key Not Ready Additional sense indicates Medium not present sdd : READ CAPACITY failed. sdd : status = 1, message = 00, host = 0, driver = 08 Current sd00:00: sense key Not Ready Additional sense indicates Medium not present sdd : block size assumed to be 512 bytes, disk size 1GB. /dev/scsi/host0/bus0/target0/lun3: I/O error: dev 08:30, sector 0 I/O error: dev 08:30, sector 0 ldm_validate_partition_table(): Disk read failed. I/O error: dev 08:30, sector 0 unable to read partition table USB Mass Storage support registered. # cat /proc/bus/usb/devices T: Bus=01 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#= 1 Spd=480 MxCh= 4 B: Alloc= 0/800 us ( 0%), #Int= 0, #Iso= 0 D: Ver= 2.00 Cls=09(hub ) Sub=00 Prot=01 MxPS= 8 #Cfgs= 1 P: Vendor=0000 ProdID=0000 Rev= 2.04 S: Manufacturer=Linux 2.4.24-uc0 ehci_hcd S: Product=Philips Semiconductors USB 2.0 Host Controller S: SerialNumber=00:04.2 C:* #Ifs= 1 Cfg#= 1 Atr=40 MxPwr= 0mA I: If#= 0 Alt= 0 #EPs= 1 Cls=09(hub ) Sub=00 Prot=00 Driver=hub E: Ad=81(I) Atr=03(Int.) MxPS= 2 Ivl=256ms T: Bus=01 Lev=01 Prnt=01 Port=02 Cnt=01 Dev#= 2 Spd=480 MxCh= 0 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 ___________________________________________________________ 雅虎邮箱超强增值服务－2G超大空间、pop3收信、无限量邮件提醒 http://cn.mail.yahoo.com ------------------------------------------------------- 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
