Ubuntu :: Multiport Serial Support (Bug 125524) On Lucid 10.04?
Mar 13, 2011
can I bother you with the ever ongoing story on Bug 125524 ?What would be your advice for someone like me with intermediate level of understanding Linux only : I would like to make the "8250.nr_uarts=6" boot option permanent with Kernel <= 2.6.32-29 on LUCID 10.04 .And, sadly, compiling the kernel => 2.6.37-7 did not work for me
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Jan 27, 2011
Is it possible that CentOS 5.5 does currently not support Oxford's OXPCIe952-F serial controller chip? We've added one of those PCIe x1 cards to one of our servers since we need additional serial interfaces but it doesn't seem to work. Instead of three serial ports (the server comes with one already, the controller adds two more) we still only have ttyS0:
Quote:
root/linux2$ zgrep ttyS /var/log/*
/var/log/dmesg:serial8250: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A
/var/log/dmesg:00:08: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A
[code]....
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Oct 22, 2010
I've just installed Zentyal (formally eBox) which is a firewall built on Ubuntu server 10.04. Unfortunately my PCI modem is not automatically detected upon installation and the Zentyal community forum is not very active.Is it possible to get the 4-port Solos Multiport PCI ADSL2+ Modem card from Traverse Technologies working under Zentyal?Apparently the driver is included in kernel versions 2.6.29 and later so I was surprised that it was not automatically detected and working upon installation. It is also available from Zentyal was able to detect their single port card, the Vicking PCIADSL2+ttp://www.traverse.com.au/productvi...product_id=115). This card worked out-the-box - all I had to do was enter my static IP details! Is there any way to achieve the same functionality with the Solos 4 port?
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Jun 21, 2011
I have a bit of a dilemma. I'm attempting to use a microcontroller to send MIDI messages over a virtual serial port. I want to (eventually) read them with Mixxx. I'm using an FTDI chip, so I get a /dev/ttyUSB0. I've tried spikenzielabs' Serial-Midi program, but it doesn't see any serial ports. NOTEMIDI looks really old and won't compile on my 10.04 LTS machine.
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Jan 13, 2010
I am trying to get two way serial communications going between a Windows XP system and a Linux system (RHEL 5).I have /sbin/agetty -L 9600 ttyS0
in /etc/inittab. I am using a generic USB to serial adaptor on Windows (Unitek) and a null modem cable. I have putty configured for 9600 baud, 8 bits, no parity, one stop bit, no flow control.I get the login prompt from agetty in the putty window but input does not work; I see weird characters in the putty screen. I can echo output into the device from windows and see it, but
cat < /dev/ttyS0. just prints out weird characters from what I type.
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Feb 21, 2009
On my CentOS 5.2 install I've installed a dual-port serial card based on the NetMOS 9835 chipset. I've followed the serial instructions, but everything they tell me to do is already done - see setserial outputs below. I've compared these values to the lspci output (below, NetMos card is at the bottom of the output) for the card and it appears right. Problem being, I can't use the serial ports. Oh and I did use search, and looked at every 9835-related article before posting this :)
[Code]....
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Oct 9, 2015
I am hoping to be able to get an old serial-touchscreen to work with a usb/serial adapter. I had this touchscreen working some years ago on different hardware. I would like to hook it to the machine I am setting up as a multimedia host with mythtv among other things.
Following the instructions I left behind when I got this to work way back when does not work. See [URL] ....
This info is a work around to get the xserver to see the touchscreen. [URL] ....
I do know that the touchscreen works as I am able to get garbage on the screen as in the first part of my howto. But I have not had any success getting xorg to see it. I wish I had posted a copy of the xorg.conf at the time, but......
There is an issue with the current xserver in testing that I am hoping the next update (in unstable) will fix when it gets pushed to testing. That is that Code: Select all# X -configure fails with a segfault. So I am not able to generate the xorg.conf needed to get it to work. I was going to post a bugreport, that is when I found out there is an update in unstable, so I am waiting for it to get pushed at the moment.
Anyway I am hoping that I can link /dev/ttyUSB0 to /dev/tty0 and get it to work. I would like some kind of guess as to my chances of success before I go to all the work of getting the monitor hooked to the host.
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Mar 23, 2010
We have a new machine with RedHat enterprise 5 on it. I need to connect a serial cable to the serial port and talk to another system (old alpha system) instead of using a VT connected to the alpha.Does RedHat come with anything like Keaterm/hyperterm/etc etc?
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Apr 14, 2010
I have a HP laptop which can support 1600x900. But after I install ubuntu 9.10 on it, it can only support up to 1280x700. My laptop has a Nvidia graphics card. And i am using GNOME as my desktop environment.
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Jul 10, 2011
I'm trying to find out when QME2572 (Qlogic) card became support by the kernel. We have a RHEL 5.1 system that is moving to new hardware, however the kernel at this release doesn't support the new hardware, due to the Qlogic card change. I tired the Redhat KB and Bugzilla. Is there a Kernel change list etc I can search. Never really played around with the kernel too much so I'm just after some pointers for looking up this information. Offically its not supported until Redhat 5.3, I'm trying trying to research kernel info so I can tell the customer they have to upgrade.
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Aug 25, 2010
I'm looking to dual-boot Windows 7 and Debian 6 upon its release on my sister's laptop. I want to share a partition between the two of them so that /home points to this directory and the Windows equivalent also points to it (C:Users).
Anyway, I've heard good and bad things about the NTFSMount driver (I think it's NTFS-3G now) and the NTFSprogs project and so I am not so certain what I should believe. I do know that NTFS has relatively high overhead, though I do not recall the source of this assertion, so I am considering the use of EXFAT. An open source EXFAT project is hosted on Google Code at [url] and it utilizes the kernel module FUSE.
I'm quite certain that I've got everything covered on the Windows side -- that is, I know that both NTFS and EXFAT will be suitable filesystems for my required usage.
My issue is that I'm curious which will have superior performance and stability in Debian. I planned on building the package from source and mounting the device in my FSTAB but I have also found a PPA for Ubuntu on Launchpad at [url] that I could borrow the debian/rules from and make a .deb package from.
What do you guys think? Should I go at it with the EXFAT or NTFS partitioning? Is NTFS-3G actually fairly supported at this point? Or perhaps should I consider some alternate method?
I have also considered that the only files she will be sharing are those of music, videos, and pictures so it could be better to just link /home/xxxx/Pictures (Music and Videos, too) to the new partition instead of all of /home.
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May 11, 2011
I would like to know if it is possibile to have support for wi-fi midi support in linux.
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Oct 11, 2010
Ubuntu 10.04 how stable are the lucid-proposed and lucid-backports options in the software sources settings?
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Apr 30, 2010
What's the procedure for updating from Lucid Beta 2 to Lucid LTS? Is it just "apt-get upgrade"? Or would I be better off with a clean install?
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May 9, 2010
I recently upgraded from Karmic to Lucid via the Update Manager. I would like to upgrade further by switching from 32 Bit to 64 Bit. I downloaded the Lucid 64 Bit ISO and wrote an install disk. When I reboot the computer with the install disk nothing happens.
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Sep 1, 2009
I need a textbrowser with Javascript Support. I have compiled the elinks stable 0.11x and the unstable 0.12x version mit JavaScript Support (js moz dev). Both browsers can be started and showed websites normaly. But no javascript, even simple tests like [URL] failed. I started elink with ./elink and typed then the url.
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Jan 1, 2010
I am trying to get the ti_usb_3410_5052.ko driver installed but it gives a an error saying that "cannot locate the usb-serial.h file." Kindly let me know how to over come this problem. I saw in this forum about a patch but it is not working.
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May 29, 2010
i need a usb to rs-232 converter to get into the console port i have an aten uc-232a converter and i have downloaded a .gz file called uplcom.4freebsd.gz i have unpacked it but i do not know what to do from here could some one please help i need to do some practice for the external icnd 2 exam and i have left it to the last minute as per usual.
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Jun 20, 2010
I am trying to pxe boot ubuntu 10.04.When it boot up,it doesn't show up login prompt from serial console ttyS0, Why ttyS0.conf job isn't invoked automatically ? is there anything wrong with configuration?
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Nov 4, 2010
I am able to use USB in serial mode for reading using
cu,
screen,
minicom,
jpnevulator,
[Code]....
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Jan 7, 2011
i got this old UPS from compaq long back and installed it with a new battery. Thing is i need to connect it to my PC using this serial cable. But my mobo doest have 1. So i bought a COM port cable converter to serial and have attached the UPS through it.
Now after all this done, my PC wont detect any UPS.. i dont know whether its detecting it or not...
here is the output of dmesg|grep tty
Code:
stoned_420@stoners ~ $ dmesg|grep tty
[ 0.000000] console [tty0] enabled
[ 0.852459] serial8250: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A
[ 0.852698] 00:09: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A
So is my UPS being detected :-/ If not how can i know?
Am attaching pics of what all i have.. save my UPS from draining off when i'm not at home and theres a power failure
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Apr 3, 2011
I'm having ongoing problems with my Ubuntu installation(s) almost to the point that each addition causes new problems. The latest, continual problem is periodically the computer is being used and abruptly hangs with a blank screen. Though I believe the error is associated with my having an undefined ServerName for LAMP development server. I've decided to do a fresh install with all the options included and see what happens. I need some assistance in developing an install CD/DVD which has all the packages (and configurations) that I need. I want to be able to use a serial mouse (the computer is an older one and I only have a serial mouse to use).
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Apr 27, 2011
ive been looking through several online documents and forum posts but i cant get a clearcut answer on how to set up serial port acces in ubuntu 10.04 (server).
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Jun 1, 2011
I bought a USB Adapter (Trendnet TU-S9) so that I could connect a old camera that connects via a serial port to my newer pc that has no serial port. The problem is that the adapter,to my surprise,requires drivers or some software to work.Windows, of course, and Mac drivers came with it on a disc but.... nothing for Linux. I am running Ubuntu 11.04.
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Jun 3, 2011
I want to get a serial mouse (PS/2 with adapter) to work on a Dell C400 (so I can use the one USB port for wireless). I enabled the serial port in the BIOS, but the mouse didn't work.
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Jun 20, 2010
I am trying to pxe boot ubuntu 10.04
grub config:
Code:
title Linux NFS
dhcp
root (nd)
kernel /vmlinuz-2.6.34 console=ttyS0,9600 root=/dev/nfs nfsroot=192.168.1.1:/home/nfsroot ip=dhcp rw
initrd /initrd.img-2.6.34-pxenfs
[Code]....
Why ttyS0.conf job isn't invoked automatically ? is there anything wrong with configuration?
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Jan 16, 2010
I'm writing a point-of-sale application in Perl/Tk, to run on Ubuntu. For cashier accounts, I plan to just use normal Linux accounts. Cashier login will be done by scanning a badge with a barcode ID on it. Our barcode scanners are older serial-port types. Thus, I'd like to login to the X (Gnome) desktop, yet read the username (and password) via a serial port such as /dev/ttyS0.
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Mar 2, 2010
I am using screen for serial terminal, but it seems to be lacking in that there is no scrollback. Is there any way to configure scrollback in screen or is there another terminal emulator that is full-featured and allows scrollback?
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May 21, 2010
I am wanting to set-up serial communications between my server (ubuntu 9.04) and a picaxe chip (a pic with a bootloader) I need to send data in the format of "1,1,1" or "1,1,0" at 9600 baud 8 data bits, no parity, 1 stop bit and no flow control. the data must be sent as numbers not ASCII I have tried
Code:
echo 1,1,0 > /dev/ttyS0
Any simple shell script or even python.
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May 23, 2010
I am using a F232 USB to serial adapter for connecting my wireless modem to my laptop and I wrote a simple C code for reading data received by the modem transmitted by another modem installed on my target device.The problem is my code is simply giving 0.00000 (float data) output .When I use the same code with my desktop its running fine and I am getting relevant data.What may be the problem? I even changed the permission for my /dev/ttyUSB0 I am using Ubuntu 10.04 on both my laptop and desktop
below is my code
Code:
#include <stdlib.h>
#include <math.h>
#include <errno.h> /* Error number definitions */
#include <termios.h> /* POSIX terminal control definitions */
[code]....
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