Re: [Astlinux-devel] (geni586|genx86_64)-serial 115200 baud default?

[David K. <da...@ke...>]

​No opinion on this one.  I always change to 115200 as one of the first
things I do anyway.

David​

On Wed, May 3, 2017 at 8:15 PM, Darrick Hartman <dha...@dj...>
wrote:

> My vote would be to change it at a later date as part of a bigger change
> set ( say like a kernel bump ).
>
> -----Original Message-----
> From: Michael Knill [mailto:mic...@ip...]
> Sent: Wednesday, May 3, 2017 4:52 PM
> To: AstLinux Developers Mailing List <ast...@li...
> >
> Subject: Re: [Astlinux-devel] (geni586|genx86_64)-serial 115200 baud
> default?
>
> I vote for 1. Do nothing.
> It's a one liner as part of my standard build process.
>
> Regards
> Michael Knill
>
> -----Original Message-----
> From: Lonnie Abelbeck <li...@lo...>
> Reply-To: AstLinux Developers Mailing List <astlinux-devel@lists.
> sourceforge.net>
> Date: Thursday, 4 May 2017 at 4:06 am
> To: AstLinux Developers Mailing List <ast...@li...
> >
> Subject: [Astlinux-devel] (geni586|genx86_64)-serial 115200 baud default?
>
> Hi Devs,
>
> Question: Is it time to change our RUNNIX and geni586-serial and
> genx86_64-serial board types to default to 115200 baud consoles ?
>
> The good news, for new installs this is only a documentation change.
>
> The bad news, for existing installs, a new (115200) run image would be a
> mismatch between RUNNIX and possibly the BIOS if serial console redirection
> was enabled.  Messy.
>
> Recall we have a command 'setconsole-speed-tty" that edits the
> /etc/inittab on unionfs and /oldroot/cdrom/syslinux.cfg on the FAT16
> (RUNNIX) partition to override any default settings.
>
> Therefore for an existing install, a user would either have to:
>
> 1) After upgrade: "setconsole-speed-tty 19200" to return back to using
> 19200 baud.
>
> 2) Update to a RUNNIX with a 115200 default then upgrade to the new 115200
> AstLinux image .. then change any serial BIOS console redirection if needed.
>
> So, the options as I see them ...
>
> 1) Keep 19200 as the console default, do nothing.
>
> 2) Change the console default to 115200 and document how users need to
> adapt to using 115200 baud.
>
> 3) Change the console default to 115200, but using the FIRSTRUN init.d
> script automatically call "setconsole-speed-tty 19200" if syslinux.cfg
> (RUNNIX) was configured for 19200 to keep things at 19200 for the future.
> 3a) Note: still not perfect as a baud mis-match would occur one time
> before "setconsole-speed-tty 19200" could be called.
>
> Of course a baud rate mismatch between the BIOS, RUNNIX or AstLInux will
> not effect booting properly, just serial console access.
>
> Unless we have a consensus for a change, we will leave it as is.
>
> Lonnie
>
>
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