High DPC Use and a Method to Reboot a network card?
- From: "IMH" <imhawley@xxxxxxxxxxxxxxxxxxxxxxxxxxxxx>
- Date: Wed, 3 May 2006 14:17:39 +0100
Hi All
I am using a 3COM 3C2000 NIC to capture MPEG from proprietry hardware.
After we have sent the NIC 2^32 packets of data the NIC or WinPCap which we
are using to perform the capture becomes unstable, spending 50% of the CPU
time servicing DPCs. This is very bad as on some machines these DPCs all
schedule on the same processor (it's a hyperthreaded box) and this makes the
machine unusable.
I was hoping to be able to reboot the NIC in case that is the thing at fault
but thus far I've had no success and cannot find anyt IOCTL commands that
might achieve this for me.
Can anyone help or advise on a newsgroup more appropriate for this subject?
Thanks a lot
Cheers
.
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