you will find this file in grub.cfg all you have to do just put 8250.nr_uarts=16

Jan 11, 2007 . However, if I try to disable the linux serial support at boot time by adding "8250.

Jan 12, 2007 . However, if I >> try to disable the linux serial support at boot time by adding >> "

Jan 5, 2007 . the linux serial support at boot time by adding "8250.nr_uarts=0" to the kernel .

Their number is capped by 'CONFIG_SERIAL_8250_RUNTIME_UARTS' (or the

Description: when set kernel param "8250.nr_uarts=8" in the grub, the kernel

To have more than 4, you must pass a kernel option on boot, 8250.nr_uarts=X. If

options 8250 nr_uarts=9. to options 8250 nr_uarts=17. I believe the change in

Mar 18, 2011 . up vote 0 down vote. Try adding 8250.nr_uarts=6 or nr_uarts=6 in your kernel

8250.nr_uarts=32 to lilo.conf. or. nr_uarts=32 to modprobe args. Or, modify the

As a test I've set 8250.nr_uarts=0 in my /etc/grub/grub.conf, rebooted >>>>> and

Nov 7, 2011 . Edit "/boot/grub/menu.lst" to add "8250.nr_uarts=8" at the end of the . For 1004

Please provide the following additional details of your system: # cat /proc/tty/

Jan 12, 2009. (hd0,0) kernel /vmlinuz root=LABEL=ROOT_FS console=ttyS0,38400n8 8250.

Adjust the value after the = sign to suit your situation, i.e. if you have 7 Serial

Apr 5, 2012 . Using a text editor, edit /boot/grub/menu.lst by adding 8250.nr_uarts=6 to the end

Jan 13, 2007 . Re: [Xenomai-help] xeno_16550A and 8250.nr_uarts=0 . 8250.nr_uarts=0",

Dec 7, 2005 . It now clips it to NR_UARTS. > > +config SERIAL_8250_RUNTIME_UARTS > > +

options 8250 nr_uarts=8 options 8250 share_irqs=0. Previously I saw that

But you may override this via the kernel command line for example: nr_uarts=16 (

2. edit the line : GRUB_CMDLINE_LINUX_DEFAULT="quiet splash 8250.

But you may override this via the kernel command line for example: nr_uarts=16 (

I do have 8250.nr_uarts=8 in the boot kernel parms. Apart from that, the only

Nov 30, 2007 . Description of problem: The 8250.nr_uarts option has always worked for me to

Dec 10, 2011 . Finally add "8250.nr_uarts=9" to the end of line 3 so it looks like below: Ubuntu

8250.nr_uarts=24. The 24 will enable 24 serial ports. If you're using a Mainpine

I guess the serial driver by default installs 8 /dev/ttySx but only scans 4 of them.

If the serial port of the touch screen is not detected by the kernel add to the kernel

. grub (menu.lst) or lilo (lilo.conf) and pass the following parameters to the kernel

This defaults to using only 4 out of 16 ports, though, so you need to pass the

8250.nr_uarts=8 (or however many you think you'll eventually need) . If you

I have found that I can add the kernel boot option "8250.nr_uarts=4" which gets

Sep 4, 2007 . I run it as root on a command line? bootparam 8250.nr_uarts=16 ?? or? Thanks

I had 8250.nr_uarts=16 in the boot line of a test kernel and I had a weird

May 24, 2011 . If your hardware has more than 4 total serial devices, you will want to add the "

Jan 13, 2007 . "8250.nr_uarts=0" to the kernel boot options, my serial test program >> does not

CONFIG_SERIAL_8250_RUNTIME_UARTS=4. The last parameter could be

Jan 8, 2008 . the 8250.nr_uarts at the end of kernel option. title Debian GNU/Linux, . kernel /

Adding. nr_uarts=xx or 8250.nr_uarts=xx to the kernel command line will

If you kernel has already been compiled with not enough ports you may override

. you have to provide some hardware parameters via the boot command line to

Apr 8, 2011 . Lets add a more serial ports to our system. We do it by adding the 8250.nr_uarts=

Edit /boot/grub/menu.lst to include the number of UARTS with '8250.nr_uarts='.

Sep 10, 2008 . Note: Technically this can be replaced by kernel parameter "8250.nr_uarts=1" or

Jan 12, 2007 . Thanks for the suggestion. I looked at the PnP-related code in irqbench.c, and

The configuration item CONFIG_SERIAL_8250_RUNTIME_UARTS: .

Kernel parameter append="8250.nr_uarts=8" - default is 4 (/boot/config-2.6.32-5-

Dec 7, 2005 . It now clips it to NR_UARTS. > > +config SERIAL_8250_RUNTIME_UARTS > > +

8250.nr_uarts=8 (Insert at the end of the line) Reboot, and check number of serial

Sep 20, 2011 . 'modprobe cti_8250 nr_uarts=24' The module cti_8250.ko accepts a few

Sitemap