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Chronic USB disconnect events for Pinnacle Dazzle DVC 100 video capture device




I have a Pinnacle Dazzle DVC 100 USB video capture device hooked up to a security camera capturing video 24/7. A few times a month, my kernel suddenly decides that the USB device was disconnected and reconnected, resulting in the device getting a new number and causing my recording software to stop recording until I restart it with the new device number. Here is an example of the dmesg output when it happens:

[1126917.418424] usb 2-8: USB disconnect, address 3
[1126917.444413] em28xx #0: disconnecting em28xx #0 video
[1126917.445563] em28xx #0: device /dev/video4 is open! Deregistration and memory deallocation are deferred on close. [1126917.701033] usb 2-8: new high speed USB device using ehci_hcd and address 4
[1126917.846251] usb 2-8: configuration #1 chosen from 1 choice
[1126917.847514] em28xx new video device (2304:021a): interface 0, class 255
[1126917.847552] em28xx Has usb audio class
[1126917.847554] em28xx #1: Alternate settings: 8
[1126917.847556] em28xx #1: Alternate setting 0, max size= 0
[1126917.847557] em28xx #1: Alternate setting 1, max size= 1024
[1126917.847559] em28xx #1: Alternate setting 2, max size= 1448
[1126917.847605] em28xx #1: Alternate setting 3, max size= 2048
[1126917.847607] em28xx #1: Alternate setting 4, max size= 2304
[1126917.847608] em28xx #1: Alternate setting 5, max size= 2580
[1126917.847610] em28xx #1: Alternate setting 6, max size= 2892
[1126917.847611] em28xx #1: Alternate setting 7, max size= 3072
[1126917.849350] em28xx #1: em28xx chip ID = 18
[1126918.507903] saa7115' 7-0025: saa7113 found (1f7113d0e100000) @ 0x4a (em28xx #1) [1126919.323999] em28xx #1: i2c eeprom 00: 1a eb 67 95 04 23 1a 02 12 00 11 03 98 10 6a 2e [1126919.324013] em28xx #1: i2c eeprom 10: 00 00 06 57 4e 00 00 00 60 00 00 00 02 00 00 00 [1126919.324022] em28xx #1: i2c eeprom 20: 02 00 01 00 00 00 00 00 00 00 00 00 00 00 00 00 [1126919.324028] em28xx #1: i2c eeprom 30: 00 00 20 40 20 80 02 20 10 01 00 00 00 00 00 00 [1126919.324033] em28xx #1: i2c eeprom 40: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [1126919.324039] em28xx #1: i2c eeprom 50: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [1126919.324046] em28xx #1: i2c eeprom 60: 00 00 00 00 00 00 00 00 00 00 2e 03 50 00 69 00 [1126919.324058] em28xx #1: i2c eeprom 70: 6e 00 6e 00 61 00 63 00 6c 00 65 00 20 00 53 00 [1126919.324070] em28xx #1: i2c eeprom 80: 79 00 73 00 74 00 65 00 6d 00 73 00 20 00 47 00 [1126919.324083] em28xx #1: i2c eeprom 90: 6d 00 62 00 48 00 00 00 10 03 44 00 56 00 43 00 [1126919.324096] em28xx #1: i2c eeprom a0: 31 00 30 00 30 00 00 00 32 00 30 00 33 00 35 00 [1126919.324108] em28xx #1: i2c eeprom b0: 36 00 30 00 37 00 35 00 31 00 33 00 34 00 31 00 [1126919.324121] em28xx #1: i2c eeprom c0: 30 00 32 00 30 00 30 00 30 00 31 00 00 00 32 00 [1126919.324134] em28xx #1: i2c eeprom d0: 33 00 31 00 32 00 33 00 00 00 00 00 00 00 00 00 [1126919.324147] em28xx #1: i2c eeprom e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [1126919.324159] em28xx #1: i2c eeprom f0: 00 00 00 00 00 00 00 00 69 4d 74 05 ad 62 5d 0e
[1126919.324173] EEPROM ID= 0x9567eb1a, hash = 0x20810e85
[1126919.324175] Vendor/Product ID= 2304:021a
[1126919.324177] AC97 audio (5 sample rates)
[1126919.324179] 300mA max power
[1126919.324182] Table at 0x06, strings=0x1098, 0x2e6a, 0x0000
[1126919.917596] em28xx #1: V4L2 device registered as /dev/video5 and /dev/vbi5
[1126919.917606] em28xx #1: Found Pinnacle Dazzle DVC 90/DVC 100

This machine is running Ubuntu 8.10 with kernel 2.6.27-17-generic. Is this a known problem for this particular capture device or a potential driver issue? Should I be bugging the USB people instead of this list? Any ideas would be appreciated.

thanks,
-Ben Swartzlander

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