Date: Sat, 11 Jun 2005 19:22:56 -0400 (EDT) From: Wesley Morgan <morganw@chemikals.org> To: usb@freebsd.org, net@freebsd.org Subject: network <-> USB2 blocks process? Message-ID: <20050611181241.D27697@volatile.chemikals.org>
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I'm using a cardbus usb2 adapter in my laptop to transfer data to an external drive. It works great transferring local data, and of course the network itself works great... But combining the two isn't working out. Copying from an NFS share to the USB drive results in a non-fatal hang: 4635 morganw 1 -16 0 1416K 764K wdrain 0:01 0.12% cp The final read() from the NFS mount succeeds but the following write() blocks (as indicated by top). Eventually (a LONG eventually) whatever is blocking will correct itself and the transfer proceeds again until whatever is filling up is full again. Anyone have any ideas to what might be going on?
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