[Bugme-new] [Bug 41232] New: Channel switching on Hauppauge Nova-T stick fails randomly
bugzilla-daemon at bugzilla.kernel.org
bugzilla-daemon at bugzilla.kernel.org
Tue Aug 16 04:33:37 PDT 2011
https://bugzilla.kernel.org/show_bug.cgi?id=41232
Summary: Channel switching on Hauppauge Nova-T stick fails
randomly
Product: v4l-dvb
Version: unspecified
Kernel Version: 3.0
Platform: All
OS/Version: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: dvb-usb
AssignedTo: v4l-dvb_dvb-usb at kernel-bugs.osdl.org
ReportedBy: q222 at gmx.com
Regression: Yes
Switching channels in kaffine on my DVB-T stick worked fine up to 2.6.39. Since
upgrading to 3.0, if fails about half the time with no discernable pattern.
/var/log/warn is littered with messages like these:
Aug 14 16:46:56 coral kernel: [278131.974707] DiB0070 I2C write failed
Aug 14 16:47:06 coral kernel: [278142.272778] dib0700: tx buffer length is
larger than 4. Not supported.
Aug 14 16:47:06 coral kernel: [278142.276734] DiB0070 I2C write failed
Aug 14 16:48:52 coral kernel: [278248.743036] DiB0070 I2C write failed
Aug 14 16:49:38 coral kernel: [278294.082043] DiB0070 I2C write failed
Aug 14 16:49:42 coral kernel: [278298.805911] dib0700: tx buffer length is
larger than 4. Not supported.
The device in question uses the dvb-usb-dib0700-1.20.fw firmware file.
lsusb output:
Bus 002 Device 002: ID 2040:7070 Hauppauge Nova-T Stick 3
Device Descriptor:
bLength 18
bDescriptorType 1
bcdUSB 2.00
bDeviceClass 0 (Defined at Interface level)
bDeviceSubClass 0
bDeviceProtocol 0
bMaxPacketSize0 64
idVendor 0x2040 Hauppauge
idProduct 0x7070 Nova-T Stick 3
bcdDevice 1.00
iManufacturer 1 Hauppauge
iProduct 2 Nova-T Stick
iSerial 3 4032310248
bNumConfigurations 1
Configuration Descriptor:
bLength 9
bDescriptorType 2
wTotalLength 46
bNumInterfaces 1
bConfigurationValue 1
iConfiguration 0
bmAttributes 0x80
(Bus Powered)
MaxPower 500mA
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 0
bAlternateSetting 0
bNumEndpoints 4
bInterfaceClass 255 Vendor Specific Class
bInterfaceSubClass 0
bInterfaceProtocol 0
iInterface 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x01 EP 1 OUT
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0200 1x 512 bytes
bInterval 1
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x81 EP 1 IN
bmAttributes 3
Transfer Type Interrupt
Synch Type None
Usage Type Data
wMaxPacketSize 0x0040 1x 64 bytes
bInterval 10
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x82 EP 2 IN
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0200 1x 512 bytes
bInterval 1
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x83 EP 3 IN
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0200 1x 512 bytes
bInterval 1
Device Qualifier (for other device speed):
bLength 10
bDescriptorType 6
bcdUSB 2.00
bDeviceClass 0 (Defined at Interface level)
bDeviceSubClass 0
bDeviceProtocol 0
bMaxPacketSize0 64
bNumConfigurations 1
Device Status: 0x0000
(Bus Powered)
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