1037.714
[7] +IOUSBInterfaceUserClient(0x28d4600)::ReadPipeOOL(0x2932938,
0x232f038, 20, 4)
1037.716 [7] IOUSBPipe[0x26de480]::Read #2
1037.716 [7] IOUSBPipe[0x26de480]::Read #3 - reqCount = 2800000
1037.716 [7] AppleUSBOHCI[0x1816800]::Read #3 - reqCount = 2800000
1037.716 [7] AppleUSBOHCI[0x1816800] BulkTx: adr=3:1
cbp=26c1b80:2ab980 br=YES cback=[7b5f90:1816800:1733300] dir=1)
1037.717 [5] AppleUSBOHCI::DoDoneQueueProcessing - processing a short
packet
1037.717 [5] AppleUSBOHCI::doCallback: pCurrentTD = 0x96ce21c,
pED->pLogicalTailP = 0x9cc60c4
1037.717 [5] AppleUSBOHCI::doCallback- queueheadptr is now 0xa1421900
1037.717 [5] AppleUSBOHCI::doCallback- queueheadptr is now 0xf1401900
// several hundred of these
1037.717 [5] AppleUSBOHCI::doCallback- queueheadptr is now 0x11cc5101
1037.719 [5] AppleUSBOHCI::doCallback- found callback TD, setting
queuehead to 0x608e7201
1037.719 [7] BulkPacketHandler: transaction complete status=0x0
bufferSizeRemaining = 2799997
This is the result of a bulk synchronous read. I was expecting much
more data than 3 bytes and got this...should I be doing the read
async? Help is appreciated.
Sincerely,
Mike Krugman
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