[9fans] discrepency between plan9 and ixpc

[9fans] discrepency between plan9 and ixpc

[Eli Cohen]

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hello everyone, i have been working on a 9P arduino library.  it works now
with ixpc from libixp, modified slightly to communicate over the serial
port:

> ixpc ls /
arductl
ardudata

however, i am getting this on plan9:

% echo b115200 > /dev/eiaU0/eiaUctl
% mount -ncC /dev/eiaU0/eiaU /n/anything
% ls /n/anything
anything

the output of ls is just whatever directory i mount it in, though accessing
arductl and ardudata works fine despite their absence from the directory
listing.

anyone have any ideas what i might be doing wrong?

the source code is at https://github.com/echoline/NinePea

ps.
and sorry for calling you a grinch

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Re: [9fans] discrepency between plan9 and ixpc

[Anthony Martin]

Eli Cohen <echoline@gmail.com> once said:
> % echo b115200 > /dev/eiaU0/eiaUctl
> % mount -ncC /dev/eiaU0/eiaU /n/anything
> % ls /n/anything
> anything
>
> the output of ls is just whatever directory i mount it in, though accessing
> arductl and ardudata works fine despite their absence from the directory
> listing.
>
> anyone have any ideas what i might be doing wrong?
>
> the source code is at https://github.com/echoline/NinePea

Without looking at the code it sounds like
you're not getting the Rstat correct.  Does
the root qid return "/" for the stat name?

You can use iostats(4) to help investigate.

Cheers,
  Anthony

Re: [9fans] discrepency between plan9 and ixpc

[Eli Cohen]

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On Jan 21, 2012 2:50 PM, "Anthony Martin" <ality@pbrane.org> wrote:
>
> Eli Cohen <echoline@gmail.com> once said:
> > % echo b115200 > /dev/eiaU0/eiaUctl
> > % mount -ncC /dev/eiaU0/eiaU /n/anything
> > % ls /n/anything
> > anything
> >
> > the output of ls is just whatever directory i mount it in, though
accessing
> > arductl and ardudata works fine despite their absence from the directory
> > listing.
> >
> > anyone have any ideas what i might be doing wrong?
> >
> > the source code is at https://github.com/echoline/NinePea
>
> Without looking at the code it sounds like
> you're not getting the Rstat correct.  Does
> the root qid return "/" for the stat name?
>
> You can use iostats(4) to help investigate.
>
> Cheers,
>  Anthony
>

thanks!  that let me resolve the issue.

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