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Date:      Sat, 11 Dec 2004 22:17:06 -0800
From:      Julian Elischer <julian@elischer.org>
To:        Barry Bouwsma <freebsd-misuser@remove-NOSPAM-to-reply.NOSPAM.dyndns.dk>
Cc:        freebsd-usb@freebsd.org
Subject:   Re: USB OHCI problems...
Message-ID:  <41BBE262.2050801@elischer.org>
In-Reply-To: <200412021019.iB2AJxi19931@Mail.NOSPAM.DynDNS.dK>
References:  <200410201612.i9KGClg05229@Mail.NOSPAM.DynDNS.dK> <200411301310.iAUDAJl01186@Mail.NOSPAM.DynDNS.dK> <20041130181603.A1352@curly.tele2.no> <200412010727.iB17RCT07496@Mail.NOSPAM.DynDNS.dK> <41AE5985.10401@elischer.org> <200412021019.iB2AJxi19931@Mail.NOSPAM.DynDNS.dK>

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Barry Bouwsma wrote:
> Julian Elischer asked of me...
> 
> 
>>>my present 4.x USB stack comes from -current as it is.  Many thanks!
> 
> 
>>I'm intrigued..
> 
> 
> with good reason, i may add
> 
> 
>>why do you have a 4.x system with a 5.x USB stack?
> 
> 
> Hysterical raisins, mostly, if you ask me.
> 
> Some many months back, Ian Dowse announced his P4 work as a patchset
> to -current, which sounded like it addressed many of the USB problems
> I had been experiencing.
> 
> So, I took that and merged it as best I could with my system, borrowing
> from -current when needed.
> 
> Sometime around this time, you also did work to bring the 4.x USB
> code more in line with current.
> 
> Since your mega-merge, I've seen a few commits to -current USB while
> 4.x code has gone mostly untouched.  As I discover more problems
> (mostly OHCI-related), I figure the best thing is for me to try out
> the latest code, as due to my mostly-offline status, I can only
> make large incremental updates, that are not so easy to keep track
> of -- then I can see if the problem is solved there.


I'm a bit short of time.. but it would be more productive to get the
changes in 4.x than to have you running your own stack :-/

Pitty I didn't have time to look at this a month or so ago..
teh 4.11 release is too close. I will however keep working on RELENG_4
even after 4.11
there may even be a 4.12. it also allows people to get good code from CVS even 
without a release.


> 
> Also, FWIW, it appears that my ehci.c that I compiled was taken
> directly from NetBSD, as I had still experienced data-toggle
> problems with all FBSD source of that time, while they were less
> frequent (though occasionally present) with NetBSD.

should be fixed now however

> 
> My last source update was made late October, before the latest
> recent updates.  At that time, I didn't notice any 4.x updates
> of interest since May or so.  I'm going to see if I can solve my
> known USB/OHCI issues with the code I have, then if so, I'll set
> this aside and try out clean 4.x source, in order to try and reduce
> the differences between my source and that released, but without
> having to suffer through bugs that may still affect me in original
> 4.x code.
> 
> And in particular, the if_axe code I was trying to get working some
> weeks/months ago was only present in -current, and part of what I
> tried in order to avoid the panics I saw was to try and use as much
> -current code as possible to minimize differences.
> 
> Oh, and most importantly, because I don't have the foggiest idea
> what I'm doing, so doing things all wrong is a good way to help me
> learn.
> 
> 
> next question?
> 
> barry bouwsma
> (sheesh, ask a quick question, get a novel in response)
> 
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