Your message dated Sun, 12 Aug 2007 14:11:41 +0200
with message-id <[EMAIL PROTECTED]>
and subject line Bug#416099: linux-image-2.6.18-4-686: USB sound via USB hub
doesn't work
has caused the attached Bug report to be marked as done.
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(administrator, Debian Bugs database)
--- Begin Message ---
Package: linux-image-2.6.18-4-686
Version: 2.6.18.dfsg.1-10~bpo.1
Severity: minor
If using my USB soundcard directly connected to my notebook it works
just fine. If use a USB hub in order to enhance the number of available
USB ports the USB soundcard is detected apparently without any problem:
$ dmesg
usb 4-3.3: new full speed USB device using ehci_hcd and address 8
usb 4-3.3: configuration #1 chosen from 1 choice
input: C-Media USB Headphone Set as /class/input/input8
input: USB HID v1.00 Device [C-Media USB Headphone Set ] on
usb-0000:00:1d.7-3.3
$ cat /proc/asound/cards
0 [default ]: USB-Audio - C-Media USB Headphone Set
C-Media USB Headphone Set at
usb-0000:00:1d.7-3.3, full speed
But when I try to use the soundcard using asound (from package
alsa-utils 1.0.11-3bpo1) I get errors (and no sound):
$ aplay /usr/share/sounds/KDE_Beep_Beep.wav
Playing WAVE '/usr/share/sounds/KDE_Beep_Beep.wav' : Unsigned 8 bit, Rate 7418
Hz, Mono
aplay: set_params:961: Unable to install hw params:
ACCESS: RW_INTERLEAVED
FORMAT: U8
SUBFORMAT: STD
SAMPLE_BITS: 8
FRAME_BITS: 8
CHANNELS: 1
RATE: 7418
PERIOD_TIME: (125011 125012)
PERIOD_SIZE: (927 928)
PERIOD_BYTES: (927 928)
PERIODS: (3 5)
BUFFER_TIME: 500000
BUFFER_SIZE: 3709
BUFFER_BYTES: 3709
TICK_TIME: 4000
... and at the same time dmesg outputs:
cannot submit datapipe for urb 0, error -28: not enough bandwidth
At first I thought this bug might be related to [0], but since in the
current kernel's config the option CONFIG_USB_EHCI_SPLIT_ISO seems to be
enabled I doubt it now.
[0] https://launchpad.net/ubuntu/+bug/28840
Below you will find the output of lsmod and attached the output of lsusb -v.
Please simply ask if I should provide further information.
Thanks for any help
Micha
-- System Information:
Debian Release: 3.1
Architecture: i386 (i686)
Kernel: Linux 2.6.18-4-686
Locale: [EMAIL PROTECTED], [EMAIL PROTECTED] (charmap=ISO-8859-15)
Versions of packages linux-image-2.6.18-4-686 depends on:
ii coreutils 5.2.1-2 The GNU core utilities
ii debconf [debconf-2.0] 1.4.30.13 Debian configuration management sy
ii initramfs-tools [linux- 0.85e~bpo.1 tools for generating an initramfs
ii module-init-tools 3.3-pre4-1~bpo.1 tools for managing Linux kernel mo
-- debconf information:
linux-image-2.6.18-4-686/preinst/failed-to-move-modules-2.6.18-4-686:
linux-image-2.6.18-4-686/preinst/lilo-initrd-2.6.18-4-686: true
linux-image-2.6.18-4-686/preinst/elilo-initrd-2.6.18-4-686: true
linux-image-2.6.18-4-686/preinst/overwriting-modules-2.6.18-4-686: true
linux-image-2.6.18-4-686/prerm/removing-running-kernel-2.6.18-4-686: true
linux-image-2.6.18-4-686/prerm/would-invalidate-boot-loader-2.6.18-4-686: true
linux-image-2.6.18-4-686/postinst/bootloader-test-error-2.6.18-4-686:
linux-image-2.6.18-4-686/preinst/abort-overwrite-2.6.18-4-686:
linux-image-2.6.18-4-686/postinst/old-system-map-link-2.6.18-4-686: true
linux-image-2.6.18-4-686/postinst/depmod-error-2.6.18-4-686: false
linux-image-2.6.18-4-686/preinst/abort-install-2.6.18-4-686:
linux-image-2.6.18-4-686/postinst/depmod-error-initrd-2.6.18-4-686: false
linux-image-2.6.18-4-686/postinst/old-initrd-link-2.6.18-4-686: true
linux-image-2.6.18-4-686/preinst/bootloader-initrd-2.6.18-4-686: true
linux-image-2.6.18-4-686/preinst/already-running-this-2.6.18-4-686:
linux-image-2.6.18-4-686/postinst/old-dir-initrd-link-2.6.18-4-686: true
linux-image-2.6.18-4-686/postinst/kimage-is-a-directory:
shared/kernel-image/really-run-bootloader: true
linux-image-2.6.18-4-686/preinst/lilo-has-ramdisk:
linux-image-2.6.18-4-686/postinst/bootloader-error-2.6.18-4-686:
linux-image-2.6.18-4-686/preinst/initrd-2.6.18-4-686:
linux-image-2.6.18-4-686/postinst/create-kimage-link-2.6.18-4-686: true
-- output of lsmod:
$ lsmod
Module Size Used by
snd_usb_audio 72160 0
snd_pcm_oss 41056 0
snd_mixer_oss 15808 1 snd_pcm_oss
snd_pcm 72324 2 snd_usb_audio,snd_pcm_oss
snd_timer 22660 1 snd_pcm
snd_page_alloc 10056 1 snd_pcm
snd_usb_lib 15520 1 snd_usb_audio
snd_rawmidi 23328 1 snd_usb_lib
snd_seq_device 8140 1 snd_rawmidi
snd_hwdep 9252 1 snd_usb_audio
snd 49252 8
snd_usb_audio,snd_pcm_oss,snd_mixer_oss,snd_pcm,snd_timer,snd_rawmidi,snd_seq_device,snd_hwdep
soundcore 9664 1 snd
radeon 104608 1
drm 65524 2 radeon
ipv6 236448 14
lp 11300 0
quota_v2 9536 1
quota_v1 3424 1
cpufreq_userspace 4640 0
cpufreq_powersave 1984 0
freq_table 4704 0
ac 5412 0
battery 10596 0
cm4000_cs 16632 0
joydev 9600 0
irtty_sir 7936 0
sir_dev 16004 1 irtty_sir
pcmcia 35996 1 cm4000_cs
ipw2100 78260 0
ieee80211 31080 1 ipw2100
ieee80211_crypt 6272 1 ieee80211
nsc_ircc 22512 0
psmouse 36552 0
i2c_i801 7660 0
yenta_socket 25740 1
rsrc_nonstatic 12384 1 yenta_socket
pcmcia_core 39444 4 cm4000_cs,pcmcia,yenta_socket,rsrc_nonstatic
firmware_class 9856 2 pcmcia,ipw2100
irda 166108 3 irtty_sir,sir_dev,nsc_ircc
parport_pc 33732 1
parport 34632 2 lp,parport_pc
serio_raw 7076 0
eth1394 18820 0
intel_agp 21564 1
agpgart 33352 2 drm,intel_agp
i2c_core 20512 1 i2c_i801
pcspkr 3200 0
tsdev 7744 0
evdev 9600 0
rtc 12980 0
crc_ccitt 2336 1 irda
shpchp 36032 0
pci_hotplug 30976 1 shpchp
floppy 57188 0
ext3 129160 3
jbd 56168 1 ext3
mbcache 8708 1 ext3
ide_cd 39460 0
cdrom 37728 1 ide_cd
ide_disk 15584 5
usbhid 40160 0
piix 10436 0 [permanent]
ohci1394 32848 0
e1000 114816 0
ieee1394 94040 2 eth1394,ohci1394
generic 5284 0 [permanent]
ide_core 116908 4 ide_cd,ide_disk,piix,generic
ehci_hcd 29608 0
uhci_hcd 22412 0
usbcore 119556 6
snd_usb_audio,snd_usb_lib,usbhid,ehci_hcd,uhci_hcd
thermal 14472 0
processor 31976 1 thermal
fan 5060 0
Bus 004 Device 012: ID 0d8c:000c C-Media Electronics, Inc.
Device Descriptor:
bLength 18
bDescriptorType 1
bcdUSB 1.10
bDeviceClass 0 (Defined at Interface level)
bDeviceSubClass 0
bDeviceProtocol 0
bMaxPacketSize0 64
idVendor 0x0d8c C-Media Electronics, Inc.
idProduct 0x000c
bcdDevice 1.00
iManufacturer 0
iProduct 1 C-Media USB Headphone Set
iSerial 0
bNumConfigurations 1
Configuration Descriptor:
bLength 9
bDescriptorType 2
wTotalLength 253
bNumInterfaces 4
bConfigurationValue 1
iConfiguration 0
bmAttributes 0xa0
Remote Wakeup
MaxPower 100mA
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 0
bAlternateSetting 0
bNumEndpoints 0
bInterfaceClass 1 Audio
bInterfaceSubClass 1 Control Device
bInterfaceProtocol 0
iInterface 0
AudioControl Interface Descriptor:
bLength 10
bDescriptorType 36
bDescriptorSubtype 1 (HEADER)
bcdADC 1.00
wTotalLength 100
bInCollection 2
baInterfaceNr( 0) 1
baInterfaceNr( 1) 2
AudioControl Interface Descriptor:
bLength 12
bDescriptorType 36
bDescriptorSubtype 2 (INPUT_TERMINAL)
bTerminalID 1
wTerminalType 0x0101 USB Streaming
bAssocTerminal 0
bNrChannels 2
wChannelConfig 0x0003
Left Front (L)
Right Front (R)
iChannelNames 0
iTerminal 0
AudioControl Interface Descriptor:
bLength 12
bDescriptorType 36
bDescriptorSubtype 2 (INPUT_TERMINAL)
bTerminalID 2
wTerminalType 0x0201 Microphone
bAssocTerminal 0
bNrChannels 1
wChannelConfig 0x0001
Left Front (L)
iChannelNames 0
iTerminal 0
AudioControl Interface Descriptor:
bLength 9
bDescriptorType 36
bDescriptorSubtype 3 (OUTPUT_TERMINAL)
bTerminalID 6
wTerminalType 0x0301 Speaker
bAssocTerminal 0
bSourceID 9
iTerminal 0
AudioControl Interface Descriptor:
bLength 9
bDescriptorType 36
bDescriptorSubtype 3 (OUTPUT_TERMINAL)
bTerminalID 7
wTerminalType 0x0101 USB Streaming
bAssocTerminal 0
bSourceID 8
iTerminal 0
AudioControl Interface Descriptor:
bLength 7
bDescriptorType 36
bDescriptorSubtype 5 (SELECTOR_UNIT)
bUnitID 8
bNrInPins 1
baSource( 0) 10
iSelector 0
AudioControl Interface Descriptor:
bLength 10
bDescriptorType 36
bDescriptorSubtype 6 (FEATURE_UNIT)
bUnitID 9
bSourceID 15
bControlSize 1
bmaControls( 0) 0x01
Mute
bmaControls( 1) 0x02
Volume
bmaControls( 2) 0x02
Volume
iFeature 0
AudioControl Interface Descriptor:
bLength 9
bDescriptorType 36
bDescriptorSubtype 6 (FEATURE_UNIT)
bUnitID 10
bSourceID 2
bControlSize 1
bmaControls( 0) 0x43
Mute
Volume
Automatic Gain
bmaControls( 1) 0x00
iFeature 0
AudioControl Interface Descriptor:
bLength 9
bDescriptorType 36
bDescriptorSubtype 6 (FEATURE_UNIT)
bUnitID 13
bSourceID 2
bControlSize 1
bmaControls( 0) 0x03
Mute
Volume
bmaControls( 1) 0x00
iFeature 0
AudioControl Interface Descriptor:
bLength 13
bDescriptorType 36
bDescriptorSubtype 4 (MIXER_UNIT)
bUnitID 15
bNrInPins 2
baSourceID( 0) 1
baSourceID( 1) 13
bNrChannels 2
wChannelConfig 0x0003
Left Front (L)
Right Front (R)
iChannelNames 0
bmControls 0x00
iMixer 0
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 1
bAlternateSetting 0
bNumEndpoints 0
bInterfaceClass 1 Audio
bInterfaceSubClass 2 Streaming
bInterfaceProtocol 0
iInterface 0
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 1
bAlternateSetting 1
bNumEndpoints 1
bInterfaceClass 1 Audio
bInterfaceSubClass 2 Streaming
bInterfaceProtocol 0
iInterface 0
AudioStreaming Interface Descriptor:
bLength 7
bDescriptorType 36
bDescriptorSubtype 1 (AS_GENERAL)
bTerminalLink 1
bDelay 1 frames
wFormatTag 1 PCM
AudioStreaming Interface Descriptor:
bLength 14
bDescriptorType 36
bDescriptorSubtype 2 (FORMAT_TYPE)
bFormatType 1 (FORMAT_TYPE_I)
bNrChannels 2
bSubframeSize 2
bBitResolution 16
bSamFreqType 2 Discrete
tSamFreq[ 0] 48000
tSamFreq[ 1] 44100
Endpoint Descriptor:
bLength 9
bDescriptorType 5
bEndpointAddress 0x01 EP 1 OUT
bmAttributes 9
Transfer Type Isochronous
Synch Type Adaptive
Usage Type Data
wMaxPacketSize 0x00c8 1x 200 bytes
bInterval 1
bRefresh 0
bSynchAddress 0
AudioControl Endpoint Descriptor:
bLength 7
bDescriptorType 37
bDescriptorSubtype 1 (EP_GENERAL)
bmAttributes 0x01
Sampling Frequency
bLockDelayUnits 1 Milliseconds
wLockDelay 1 Milliseconds
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 2
bAlternateSetting 0
bNumEndpoints 0
bInterfaceClass 1 Audio
bInterfaceSubClass 2 Streaming
bInterfaceProtocol 0
iInterface 0
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 2
bAlternateSetting 1
bNumEndpoints 1
bInterfaceClass 1 Audio
bInterfaceSubClass 2 Streaming
bInterfaceProtocol 0
iInterface 0
AudioStreaming Interface Descriptor:
bLength 7
bDescriptorType 36
bDescriptorSubtype 1 (AS_GENERAL)
bTerminalLink 7
bDelay 1 frames
wFormatTag 1 PCM
AudioStreaming Interface Descriptor:
bLength 14
bDescriptorType 36
bDescriptorSubtype 2 (FORMAT_TYPE)
bFormatType 1 (FORMAT_TYPE_I)
bNrChannels 1
bSubframeSize 2
bBitResolution 16
bSamFreqType 2 Discrete
tSamFreq[ 0] 48000
tSamFreq[ 1] 44100
Endpoint Descriptor:
bLength 9
bDescriptorType 5
bEndpointAddress 0x82 EP 2 IN
bmAttributes 5
Transfer Type Isochronous
Synch Type Asynchronous
Usage Type Data
wMaxPacketSize 0x0064 1x 100 bytes
bInterval 1
bRefresh 0
bSynchAddress 0
AudioControl Endpoint Descriptor:
bLength 7
bDescriptorType 37
bDescriptorSubtype 1 (EP_GENERAL)
bmAttributes 0x01
Sampling Frequency
bLockDelayUnits 0 Undefined
wLockDelay 0 Undefined
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 3
bAlternateSetting 0
bNumEndpoints 1
bInterfaceClass 3 Human Interface Devices
bInterfaceSubClass 0 No Subclass
bInterfaceProtocol 0 None
iInterface 0
HID Device Descriptor:
bLength 9
bDescriptorType 33
bcdHID 1.00
bCountryCode 0 Not supported
bNumDescriptors 1
bDescriptorType 34 Report
wDescriptorLength 50
Report Descriptors:
** UNAVAILABLE **
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x83 EP 3 IN
bmAttributes 3
Transfer Type Interrupt
Synch Type None
Usage Type Data
wMaxPacketSize 0x0004 1x 4 bytes
bInterval 32
Bus 004 Device 010: ID 05e3:0606 Genesys Logic, Inc.
Device Descriptor:
bLength 18
bDescriptorType 1
bcdUSB 2.00
bDeviceClass 9 Hub
bDeviceSubClass 0 Unused
bDeviceProtocol 1 Single TT
bMaxPacketSize0 64
idVendor 0x05e3 Genesys Logic, Inc.
idProduct 0x0606
bcdDevice 7.02
iManufacturer 0
iProduct 1 USB2.0 Hub
iSerial 0
bNumConfigurations 1
Configuration Descriptor:
bLength 9
bDescriptorType 2
wTotalLength 25
bNumInterfaces 1
bConfigurationValue 1
iConfiguration 0
bmAttributes 0xe0
Self Powered
Remote Wakeup
MaxPower 100mA
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 0
bAlternateSetting 0
bNumEndpoints 1
bInterfaceClass 9 Hub
bInterfaceSubClass 0 Unused
bInterfaceProtocol 0
iInterface 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x81 EP 1 IN
bmAttributes 3
Transfer Type Interrupt
Synch Type None
Usage Type Data
wMaxPacketSize 0x0001 1x 1 bytes
bInterval 12
Hub Descriptor:
bLength 9
bDescriptorType 41
nNbrPorts 4
wHubCharacteristic 0x00e0
Ganged power switching
Ganged overcurrent protection
TT think time 32 FS bits
Port indicators
bPwrOn2PwrGood 50 * 2 milli seconds
bHubContrCurrent 100 milli Ampere
DeviceRemovable 0x08
PortPwrCtrlMask 0xa8
Hub Port Status:
Port 1: 0000.0100 power
Port 2: 0000.0100 power
Port 3: 0000.0103 power enable connect
Port 4: 0000.0100 power
Device Qualifier (for other device speed):
bLength 10
bDescriptorType 6
bcdUSB 2.00
bDeviceClass 9 Hub
bDeviceSubClass 0 Unused
bDeviceProtocol 0
bMaxPacketSize0 64
bNumConfigurations 1
Bus 004 Device 001: ID 0000:0000
Device Descriptor:
bLength 18
bDescriptorType 1
bcdUSB 2.00
bDeviceClass 9 Hub
bDeviceSubClass 0 Unused
bDeviceProtocol 1 Single TT
bMaxPacketSize0 64
idVendor 0x0000
idProduct 0x0000
bcdDevice 2.06
iManufacturer 3 Linux 2.6.18-4-686 ehci_hcd
iProduct 2 EHCI Host Controller
iSerial 1 0000:00:1d.7
bNumConfigurations 1
Configuration Descriptor:
bLength 9
bDescriptorType 2
wTotalLength 25
bNumInterfaces 1
bConfigurationValue 1
iConfiguration 0
bmAttributes 0xe0
Self Powered
Remote Wakeup
MaxPower 0mA
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 0
bAlternateSetting 0
bNumEndpoints 1
bInterfaceClass 9 Hub
bInterfaceSubClass 0 Unused
bInterfaceProtocol 0
iInterface 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x81 EP 1 IN
bmAttributes 3
Transfer Type Interrupt
Synch Type None
Usage Type Data
wMaxPacketSize 0x0002 1x 2 bytes
bInterval 12
Hub Descriptor:
bLength 9
bDescriptorType 41
nNbrPorts 6
wHubCharacteristic 0x000a
No power switching (usb 1.0)
Per-port overcurrent protection
TT think time 8 FS bits
bPwrOn2PwrGood 10 * 2 milli seconds
bHubContrCurrent 0 milli Ampere
DeviceRemovable 0x08
PortPwrCtrlMask 0xa8
Hub Port Status:
Port 1: 0000.0100 power
Port 2: 0000.0100 power
Port 3: 0000.0503 highspeed power enable connect
Port 4: 0000.0100 power
Port 5: 0000.0100 power
Port 6: 0000.0100 power
Bus 003 Device 001: ID 0000:0000
Device Descriptor:
bLength 18
bDescriptorType 1
bcdUSB 1.10
bDeviceClass 9 Hub
bDeviceSubClass 0 Unused
bDeviceProtocol 0
bMaxPacketSize0 64
idVendor 0x0000
idProduct 0x0000
bcdDevice 2.06
iManufacturer 3 Linux 2.6.18-4-686 uhci_hcd
iProduct 2 UHCI Host Controller
iSerial 1 0000:00:1d.2
bNumConfigurations 1
Configuration Descriptor:
bLength 9
bDescriptorType 2
wTotalLength 25
bNumInterfaces 1
bConfigurationValue 1
iConfiguration 0
bmAttributes 0xe0
Self Powered
Remote Wakeup
MaxPower 0mA
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 0
bAlternateSetting 0
bNumEndpoints 1
bInterfaceClass 9 Hub
bInterfaceSubClass 0 Unused
bInterfaceProtocol 0
iInterface 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x81 EP 1 IN
bmAttributes 3
Transfer Type Interrupt
Synch Type None
Usage Type Data
wMaxPacketSize 0x0002 1x 2 bytes
bInterval 255
Hub Descriptor:
bLength 9
bDescriptorType 41
nNbrPorts 2
wHubCharacteristic 0x000a
No power switching (usb 1.0)
Per-port overcurrent protection
bPwrOn2PwrGood 1 * 2 milli seconds
bHubContrCurrent 0 milli Ampere
DeviceRemovable 0x08
PortPwrCtrlMask 0xa8
Hub Port Status:
Port 1: 0000.0100 power
Port 2: 0000.0100 power
Bus 002 Device 001: ID 0000:0000
Device Descriptor:
bLength 18
bDescriptorType 1
bcdUSB 1.10
bDeviceClass 9 Hub
bDeviceSubClass 0 Unused
bDeviceProtocol 0
bMaxPacketSize0 64
idVendor 0x0000
idProduct 0x0000
bcdDevice 2.06
iManufacturer 3 Linux 2.6.18-4-686 uhci_hcd
iProduct 2 UHCI Host Controller
iSerial 1 0000:00:1d.1
bNumConfigurations 1
Configuration Descriptor:
bLength 9
bDescriptorType 2
wTotalLength 25
bNumInterfaces 1
bConfigurationValue 1
iConfiguration 0
bmAttributes 0xe0
Self Powered
Remote Wakeup
MaxPower 0mA
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 0
bAlternateSetting 0
bNumEndpoints 1
bInterfaceClass 9 Hub
bInterfaceSubClass 0 Unused
bInterfaceProtocol 0
iInterface 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x81 EP 1 IN
bmAttributes 3
Transfer Type Interrupt
Synch Type None
Usage Type Data
wMaxPacketSize 0x0002 1x 2 bytes
bInterval 255
Hub Descriptor:
bLength 9
bDescriptorType 41
nNbrPorts 2
wHubCharacteristic 0x000a
No power switching (usb 1.0)
Per-port overcurrent protection
bPwrOn2PwrGood 1 * 2 milli seconds
bHubContrCurrent 0 milli Ampere
DeviceRemovable 0x08
PortPwrCtrlMask 0xa8
Hub Port Status:
Port 1: 0000.0100 power
Port 2: 0000.0100 power
Bus 001 Device 001: ID 0000:0000
Device Descriptor:
bLength 18
bDescriptorType 1
bcdUSB 1.10
bDeviceClass 9 Hub
bDeviceSubClass 0 Unused
bDeviceProtocol 0
bMaxPacketSize0 64
idVendor 0x0000
idProduct 0x0000
bcdDevice 2.06
iManufacturer 3 Linux 2.6.18-4-686 uhci_hcd
iProduct 2 UHCI Host Controller
iSerial 1 0000:00:1d.0
bNumConfigurations 1
Configuration Descriptor:
bLength 9
bDescriptorType 2
wTotalLength 25
bNumInterfaces 1
bConfigurationValue 1
iConfiguration 0
bmAttributes 0xe0
Self Powered
Remote Wakeup
MaxPower 0mA
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 0
bAlternateSetting 0
bNumEndpoints 1
bInterfaceClass 9 Hub
bInterfaceSubClass 0 Unused
bInterfaceProtocol 0
iInterface 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x81 EP 1 IN
bmAttributes 3
Transfer Type Interrupt
Synch Type None
Usage Type Data
wMaxPacketSize 0x0002 1x 2 bytes
bInterval 255
Hub Descriptor:
bLength 9
bDescriptorType 41
nNbrPorts 2
wHubCharacteristic 0x000a
No power switching (usb 1.0)
Per-port overcurrent protection
bPwrOn2PwrGood 1 * 2 milli seconds
bHubContrCurrent 0 milli Ampere
DeviceRemovable 0x08
PortPwrCtrlMask 0xa8
Hub Port Status:
Port 1: 0000.0100 power
Port 2: 0000.0100 power
--- End Message ---
--- Begin Message ---
On Sun, Aug 12, 2007 at 01:55:05PM +0200, Micha Lenk wrote:
>
> I just rechecked with the kernel available in Debian Etch and found it
> working.
ok cool thanks for feedback.
closing
--
maks
--- End Message ---
