[rancid] rancid "losing" characters

[heasley]

Mon, Oct 07, 2013 at 10:30:02AM -0400, Stephen Griffin:
> So, I have a version of rancid 2.3.8 installed, and I've been noticing on
> some of our Foundry/Brocade gear that some commands are failing because a
> character is lost.. for example, skip-page-dilay instead of
> skip-page-display.
> 
> Our prior version of rancid was quite old (so old that no one really was
> quite sure of what version it was), and we don't recall seeing this
> behaviour. It feels like a buffer being exhausted, but 2.3.8 uses
> send_human, which should be slowing things down.
> 
> The version of expect wasn't changed, and is 5.43.0
> 
> We did fold in some of our older custom changes, but I have a difficult
> time believing those would impact lost characters.
> 
> Has anyone run into this or something similar?

there once was a problem with hpuifilter that caused this, but that would
not affect foundry, only hp/hlogin.  perhaps that was part of your changes?

otherwise, i'd suspect expect.

> I did a test run, by sending "show 802" to a bunch of devices, and came up
> with:
>       1 e
>     145 exit
>       1 sh
>       1 show 02
>       1 show 80
>     145 show 802
>       1 show802
>       1 skip-page-ay
>     148 skip-page-display
> 
> Thanks,
> Stephen
> -- 
> Stephen A. Griffin
> Network Engineer
> Google Acquisition Netops

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