all usb-ethernet adapters are borked?

Warner Losh imp at bsdimp.com
Tue May 16 15:46:11 UTC 2006


From: Sergey Matveychuk <sem at freebsd.org>
Subject: all usb-ethernet adapters are borked?
Date: Tue, 16 May 2006 13:12:54 +0400

> After I've explored my problem with rue(4) I've found out our USB stack
> is incompatible with our current TCP/IP implementation (6.0+) ("Trying
> sleep, but thread marked as sleeping prohibited" problem).
> 
> I've discussed it with glebius and he told me, it's complete USB problem.
> 
> As I understand USB transfer should be rewritten to use no mspleep calls.
> 
> Any comments? Any quick fixes?

Have you tried marking the rue driver as requing giant?

Warner


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