On Saturday 23 May 2009, Zach Welch wrote:
> .
> > > One point could be the RESET signals SRST and TRST. Here the
> > > FT2232 can set both signals at the same time, which I think
> > > is used too.
> >
> > Yeah, I noticed that *sometimes* an ft2232 adapter was able
> > to come up OK ... but other times it needed a "reset".
> >
> > I was wondering if the issue was maybe that the JTAG link
> > wasn't getting properly reset ... either by TRST or some
> > other process.
> >
> > This seems highly buglike to me.
>
> Has this problem been resolved in r18{90,92,93}?
I was running with the ft2232 and jtag patches ('92, '93),
and they didn't seem to resolve that issue. It was still
not guaranteed that the server could start up properly
without a reset in the recent past. It's not clear if
they changed anything I was noticing (or not).
Newish behavior: doing a reset later doesn't necessarily
fix things. "scan_chain" stays the same. Need to abort
the server, then restart it.
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