Re: What happened to the serial console on BeagleBoard with 2.6.28-rc2?

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On Sunday 02 November 2008, Rick Bronson wrote:
> > Is that what you saw too?
> 
>   Yep, that's what I saw, but only if I had DEBUG_LL=y.  Without that
> I had nothing except "Uncompressing Linux........".  

I don't have DEBUG_LL=y ... if you had some kind of network
link configured over USB, could you SSH in?  (I can.)


>   I guess we don't see this problem on the other 2 ports since they
> are mapped MT_MEMORY_SO and not MT_DEVICE (L4_34XX_PHYS).

Hmm, inconsistency is to be avoided.  :)

I wonder what the root cause is ... is the driver missing
various barriers needed to make MT_DEVICE work?  Or is the
MT_DEVICE incorrect in the first place?  "git whatchanged"
didn't show any recent changes that seemed (on a quick
glance) to affect I/O at that level.  Maybe it was one of
the other TTY changes interacting here.

- Dave


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