On Mon, Apr 06, 2020 at 08:38:58AM +0100, Joe wrote: > On Mon, 06 Apr 2020 08:53:05 +0200 > deloptes <deloptes@gmail.com> wrote: > > > Chris Rhodin wrote: > > > > > I checked the permissions and group memberships but they're already > > > correct. I also tried executing at root privilege, no luck. > > > > 'R you sure about the baud rate (9600)? It might be something higher > > ... also did you setup agetty accordingly? What has agetty to do with not being able to access a port? > I doubt it's that. 9600 is a sort of default these days, and a serial > port which could not use it would be of limited use. The XBee radio > modules, for example, come from the factory running at 9600, though of > course they will go much higher. But the configuration utility must run > at 9600 to begin with. Besides, the wrong baud rate wouldn't preclude a program from *reading* from a serial interface. It would just get garbage, that's all. Besides, a wrong baud rate would much less explain that writing is possible, but reading isn't. Not for classical "serials" (i.e. RS-232). Cheers -- t
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