[gentoo-user] Kernel output to ttyS1

[gentoo-user] Kernel output to ttyS1

[Bertram Scharpf]

Hi,

I'm migrating my router to Gentoo. Therefore I have to boot
the old system from time to time. This I'm doing through a
serial connection.

Grub und the getty communicate to Minicom without complaint.
However, the kernel messages while booting get lost.

The Grub configuration is:

serial --unit=1 --speed=9600
...
kernel /boot/vmlinuz-2.6.16-myone root=/dev/hda1 ro vga=791 console=tty0 console=ttyS1

The old kernel on the old system reports as expected with
the same parameters.

Suppose I forgot something to compile into the kernel.

Any hints?

Thanks in advance,

Bertram


-- 
Bertram Scharpf
Stuttgart, Deutschland/Germany
http://www.bertram-scharpf.de
-- 
gentoo-user@gentoo.org mailing list

Re: [gentoo-user] Kernel output to ttyS1

[Jure Varlec]

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On Thursday 06 July 2006 20:20, Bertram Scharpf wrote:
> Hi,
>
> I'm migrating my router to Gentoo. Therefore I have to boot
> the old system from time to time. This I'm doing through a
> serial connection.
>
> Grub und the getty communicate to Minicom without complaint.
> However, the kernel messages while booting get lost.
>
> The Grub configuration is:
>
> serial --unit=1 --speed=9600
> ...
> kernel /boot/vmlinuz-2.6.16-myone root=/dev/hda1 ro vga=791 console=tty0
> console=ttyS1
>
> The old kernel on the old system reports as expected with
> the same parameters.
>
> Suppose I forgot something to compile into the kernel.
>
> Any hints?
>
> Thanks in advance,
>
> Bertram
>
>
> --
> Bertram Scharpf
> Stuttgart, Deutschland/Germany
> http://www.bertram-scharpf.de

I don't recall what the defaults are, maybe it would help if you changed the 
parameter for your kernel to console=ttyS1,115200n8r or whatever suits your 
config.

As for the kernel, everything you need should be in
Device Drivers -> Character devices -> Serial drivers

My config:

<*> 8250/16550 and compatible serial support
[*]   Console on 8250/16550 and compatible serial port
[ ]   8250/16550 device discovery via ACPI namespace
(4)   Maximum number of non-legacy 8250/16550 serial ports
[*]   Extended 8250/16550 serial driver options
[*]     Support more than 4 legacy serial ports
[*]     Support for sharing serial interrupts
[ ]     Autodetect IRQ on standard ports (unsafe)
[*]     Support special multiport boards
[*]     Support RSA serial ports

-- 
Jure Varlec

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Re: [gentoo-user] Kernel output to ttyS1 [solved]

[Bertram Scharpf]

Hi,

Am Donnerstag, 06. Jul 2006, 22:51:54 +0200 schrieb Jure Varlec:
> On Thursday 06 July 2006 20:20, Bertram Scharpf wrote:
> > However, the kernel messages while booting get lost.
> >
> > The Grub configuration is:
> >
> > serial --unit=1 --speed=9600
> > ...
> > kernel /boot/vmlinuz-2.6.16-myone root=/dev/hda1 ro vga=791 console=tty0
> > console=ttyS1
> 
> As for the kernel, everything you need should be in
> Device Drivers -> Character devices -> Serial drivers
> 
> <*> 8250/16550 and compatible serial support
> [*]   Console on 8250/16550 and compatible serial port

Many, many thanks.

Bertram


-- 
Bertram Scharpf
Stuttgart, Deutschland/Germany
http://www.bertram-scharpf.de
-- 
gentoo-user@gentoo.org mailing list