lkml.org 
[lkml]   [2004]   [Jun]   [15]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: more about serial console
On Tue, Jun 15, 2004 at 02:42:29PM -0400, foo@porto.bmb.uga.edu wrote:
> On Mon, Jun 14, 2004 at 08:04:36PM -0400, foo@porto.bmb.uga.edu wrote:
> > The other weird thing I have seen is with the serial console. After
> > init loads the net bonding module and the network comes up, the serial
> > console output stops, as though I had typed ^s. If I type a character
> > (doesn't seem to matter what), instead of that character printing I see
> > the next character of console output. I have to hold down a key for a
> > few seconds to get the next few lines of output, then it starts printing
> > on its own again. I've seen this with 2.6.7-rc3-bk4 and 2.6.6, not with
> > 2.6.5 (I booted 2.6.6 by accident yesterday, I don't know how it does
> > with NFS).
>
> More experience with 2.6.7-rc3-bk6: this is basically the same, although
> the console stalled twice during one boot, once after mounting all the
> filesystems and then again after the ethernet comes up (as always).
>
> Also, I was wrong about getting one character of output for each that I
> type - it looks like I get 16 characters (if that many are available to
> be printed, seemingly).

So it only happens when userspace is using the serial port and a few
other things are in use.

Is anything sharing the serial port's interrupt?

--
Russell King
Linux kernel 2.6 ARM Linux - http://www.arm.linux.org.uk/
maintainer of: 2.6 PCMCIA - http://pcmcia.arm.linux.org.uk/
2.6 Serial core
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2005-03-22 14:03    [W:0.055 / U:0.272 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site