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???
04/26/09 11:30
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#164841 - Enumeration problem on AT89C5131
Hello all,

I would like to ask you for a help. I have a problem with enumeration on this device on a computer with nForce2 chipset. If I connect my device via USB hub it works correctly but if I connect it directly to USB of the computer error occurs. I dont know where the problem is. There is a log from USB monitor with the error (error is at packet nb 00000020 - there is status: 0xc0000006 - I dont know what it means...):

00000000	26.04.2009 13:13:09.093	UP	UP	PnP: Device Connected
00000001	26.04.2009 13:13:09.093 +0.0	DOWN	0x00000000	URB_FUNCTION_GET_DESCRIPTOR_FROM_DEVICE
00000002	26.04.2009 13:13:09.093 +0.0	UP	0x00000000	URB_FUNCTION_CONTROL_TRANSFER
00000003	26.04.2009 13:13:09.093 +0.0	DOWN	0x00000000	URB_FUNCTION_GET_DESCRIPTOR_FROM_DEVICE
00000004	26.04.2009 13:13:09.109 +0.015	UP	0x00000000	URB_FUNCTION_CONTROL_TRANSFER
00000005	26.04.2009 13:13:09.109 +0.0	DOWN	0x00000000	URB_FUNCTION_GET_DESCRIPTOR_FROM_DEVICE
00000006	26.04.2009 13:13:09.109 +0.0	UP	0x00000000	URB_FUNCTION_CONTROL_TRANSFER
00000007	26.04.2009 13:13:09.109 +0.0	DOWN	0x00000000	URB_FUNCTION_SELECT_CONFIGURATION
00000008	26.04.2009 13:13:09.125 +0.015	UP	UP	Internal: Pipe Info Transfer
00000009	26.04.2009 13:13:09.125 +0.0	UP	0x00000000	URB_FUNCTION_SELECT_CONFIGURATION
00000010	26.04.2009 13:13:09.125 +0.0	DOWN	0x00000000	URB_FUNCTION_CLASS_INTERFACE
00000011	26.04.2009 13:13:09.125 +0.0	UP	0x00000000	URB_FUNCTION_CONTROL_TRANSFER
00000012	26.04.2009 13:13:09.125 +0.0	DOWN	0x00000000	URB_FUNCTION_GET_DESCRIPTOR_FROM_INTERFACE
00000013	26.04.2009 13:13:09.125 +0.0	UP	0x00000000	URB_FUNCTION_CONTROL_TRANSFER
00000014	26.04.2009 13:13:09.125 +0.0	UP	UP	PnP: Query ID
00000015	26.04.2009 13:13:09.125 +0.0	UP	UP	PnP: Query ID
00000016	26.04.2009 13:13:09.140 +0.015	DOWN	0x00000000	URB_FUNCTION_BULK_OR_INTERRUPT_TRANSFER
00000017	26.04.2009 13:13:09.140 +0.0	DOWN	0x00000000	URB_FUNCTION_BULK_OR_INTERRUPT_TRANSFER
00000018	26.04.2009 13:13:09.140 +0.0	UP	0x00000000	URB_FUNCTION_BULK_OR_INTERRUPT_TRANSFER
00000019	26.04.2009 13:13:09.140 +0.0	DOWN	0x00000000	URB_FUNCTION_BULK_OR_INTERRUPT_TRANSFER
00000020	26.04.2009 13:13:10.265 +1.125	UP	0xc0000006	URB_FUNCTION_BULK_OR_INTERRUPT_TRANSFER
00000021	26.04.2009 13:13:10.265 +0.0	DOWN	0x00001c0f	URB_FUNCTION_ABORT_PIPE
00000022	26.04.2009 13:13:10.265 +0.0	UP	0xc0010000	URB_FUNCTION_BULK_OR_INTERRUPT_TRANSFER
00000023	26.04.2009 13:13:10.265 +0.0	UP	0x00000000	URB_FUNCTION_ABORT_PIPE
00000024	26.04.2009 13:13:11.328 +1.062	UP	UP	PnP: Device Surprise Removal
00000025	26.04.2009 13:13:12.875 +1.546	UP	UP	PnP: Device Disconnected


Correct log via USB hub:

00000000	26.04.2009 13:26:55.406	UP	UP	PnP: Device Connected
00000001	26.04.2009 13:26:55.406 +0.0	DOWN	0x00000000	URB_FUNCTION_GET_DESCRIPTOR_FROM_DEVICE
00000002	26.04.2009 13:26:55.406 +0.0	UP	0x00000000	URB_FUNCTION_CONTROL_TRANSFER
00000003	26.04.2009 13:26:55.406 +0.0	DOWN	0x00000000	URB_FUNCTION_GET_DESCRIPTOR_FROM_DEVICE
00000004	26.04.2009 13:26:55.406 +0.0	UP	0x00000000	URB_FUNCTION_CONTROL_TRANSFER
00000005	26.04.2009 13:26:55.406 +0.0	DOWN	0x00000000	URB_FUNCTION_GET_DESCRIPTOR_FROM_DEVICE
00000006	26.04.2009 13:26:55.406 +0.0	UP	0x00000000	URB_FUNCTION_CONTROL_TRANSFER
00000007	26.04.2009 13:26:55.406 +0.0	DOWN	0x00000000	URB_FUNCTION_SELECT_CONFIGURATION
00000008	26.04.2009 13:26:55.421 +0.015	UP	UP	Internal: Pipe Info Transfer
00000009	26.04.2009 13:26:55.421 +0.0	UP	0x00000000	URB_FUNCTION_SELECT_CONFIGURATION
00000010	26.04.2009 13:26:55.421 +0.0	DOWN	0x00000000	URB_FUNCTION_CLASS_INTERFACE
00000011	26.04.2009 13:26:55.421 +0.0	UP	0x00000000	URB_FUNCTION_CONTROL_TRANSFER
00000012	26.04.2009 13:26:55.421 +0.0	DOWN	0x00000000	URB_FUNCTION_GET_DESCRIPTOR_FROM_INTERFACE
00000013	26.04.2009 13:26:55.421 +0.0	UP	0x00000000	URB_FUNCTION_CONTROL_TRANSFER
00000014	26.04.2009 13:26:55.421 +0.0	UP	UP	PnP: Query ID
00000015	26.04.2009 13:26:55.421 +0.0	UP	UP	PnP: Query ID
00000016	26.04.2009 13:26:55.437 +0.015	DOWN	0x00000000	URB_FUNCTION_BULK_OR_INTERRUPT_TRANSFER
00000017	26.04.2009 13:26:55.437 +0.0	DOWN	0x00000000	URB_FUNCTION_BULK_OR_INTERRUPT_TRANSFER
00000018	26.04.2009 13:26:55.437 +0.0	UP	0x00000000	URB_FUNCTION_BULK_OR_INTERRUPT_TRANSFER
00000019	26.04.2009 13:26:55.437 +0.0	DOWN	0x00000000	URB_FUNCTION_BULK_OR_INTERRUPT_TRANSFER


Thank you very much for your help...

List of 5 messages in thread
TopicAuthorDate
Enumeration problem on AT89C5131            01/01/70 00:00      
   Looks Like An Up Transfer...            01/01/70 00:00      
      My hub is non-powered...            01/01/70 00:00      
   Enumeration is fine, but...            01/01/70 00:00      
      Capacitors...            01/01/70 00:00      

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