Date: Wed, 17 May 2006 10:24:22 +0400 From: Sergey Matveychuk <sem@FreeBSD.org> To: Warner Losh <imp@bsdimp.com> Cc: freebsd-usb@FreeBSD.org Subject: Re: all usb-ethernet adapters are borked? Message-ID: <446AC196.9070901@FreeBSD.org> In-Reply-To: <20060516.134541.115955424.imp@bsdimp.com> References: <44699796.40206@FreeBSD.org> <20060516.093014.41680320.imp@bsdimp.com> <446A14B1.8090607@FreeBSD.org> <20060516.134541.115955424.imp@bsdimp.com>
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Warner Losh wrote: > From: Sergey Matveychuk <sem@FreeBSD.org> > Subject: Re: all usb-ethernet adapters are borked? > Date: Tue, 16 May 2006 22:06:41 +0400 > >> Warner Losh wrote: >>> From: Sergey Matveychuk <sem@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? >> I'm not sure how to do it. But let me make an assumption the driver >> already do it: >> >> ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST | >> IFF_NEEDSGIANT; >> >> Is it what do you mean? Or you mean another mark? > > No. that's what I mean. Can you post a traceback to the sleeping > with the sleep lock issue? > > Warner Sure. http://sunner.elcomnet.ru/~sem/sleep.panic -- Sem.
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