I'm running out of ideas. Is the "usbserial" module loaded? Does "lsusb" show the "Future Technology Devices International, Ltd FT4232H Quad HS USB-UART/FIFO IC" chip?
You could call RedHat support. That's one of the things you pay for when you buy RHEL. Dave On Dec 6, 2012, at 11:46 AM, Nimish Sane wrote: > dmesg | grep -i ftdi still shows the same output. > > On Thu, Dec 6, 2012 at 2:45 PM, Nimish Sane <[email protected]> wrote: > I tried this, but it did not create ttyUSB devices. > > Nimish > > > On Thu, Dec 6, 2012 at 2:41 PM, David MacMahon <[email protected]> > wrote: > Now try disconnecting and reconnecting the USB cable. Now that the ftdi_sio > module is loaded, (re-)connecting the cable will hopefully prompt udev to > create the ttyUSB devices for you. After disconnecting, reconnecting, and > waiting for a couple of seconds, try "dmesg | grep -i ftdi" again. > > Dave > > On Dec 6, 2012, at 11:36 AM, Nimish Sane wrote: > > > Ok. So now, dmesg | grep -i ftdi shows the following: > > > > drivers/usb/serial/usb-serial.c: USB Serial support registered for FTDI USB > > Serial Device > > usbcore: registered new driver ftdi_sio > > drivers/usb/serial/ftdi_sio.c: v1.4.3:USB FTDI Serial Converters Driver > > > > > > Nimish > > > > On Thu, Dec 6, 2012 at 2:28 PM, David MacMahon <[email protected]> > > wrote: > > OK, the fact that the modprobe command showed nothing means that it > > succeeded, so try running "dmesg | grep -i ftdi" again. > > > > Dave > > > > On Dec 6, 2012, at 11:20 AM, Nimish Sane wrote: > > > > > Hi Dave, > > > > > > All of these show nothing. > > > > > > I just checked and see that there is an LED near the FTDI USB port (named > > > USB OK) that is ON (Red) on the board. Do you know what is that suppose > > > to indicate? > > > > > > Thanks, > > > > > > Nimish > > > > > > On Thu, Dec 6, 2012 at 2:14 PM, David MacMahon > > > <[email protected]> wrote: > > > Hi, Nimish, > > > > > > What does "dmesg | grep -i ftdi" show? > > > > > > Does "lsmod | grep ftdi_sio" show anything? If not, try "modprobe > > > ftdi_sio". > > > > > > Dave > > > > > > On Dec 6, 2012, at 10:53 AM, Nimish Sane wrote: > > > > > > > Hi Dave, > > > > > > > > I can see it as a usb device /dev/usbdev* (8 devices actually) but not > > > > as tty* that I can use. Does one need to install some drivers for this > > > > FTDI component? > > > > > > > > Thanks, > > > > > > > > Nimish > > > > > > > > On Thu, Dec 6, 2012 at 12:20 PM, David MacMahon > > > > <[email protected]> wrote: > > > > Hi, Nimish, > > > > > > > > I think you can find the information in the output of dmesg as (or > > > > after) you connect the USB cable. It might also be in > > > > /var/log/messages. > > > > > > > > Dave > > > > > > > > On Dec 6, 2012, at 9:04 AM, Nimish Sane wrote: > > > > > > > > > Hi Jason, > > > > > > > > > > This is regarding the FTDI part. I am using RHEL 5.8. We could not > > > > > identify the right device/port in /dev/ directory. Do we need to > > > > > install any drivers? > > > > > > > > > > I tried using the Linux driver they have here: > > > > > http://www.ftdichip.com/Drivers/VCP.htm However, I am not able to > > > > > install this driver. I was wondering if this is the right driver and > > > > > has anyone successfully installed it. > > > > > > > > > > In either case, could someone throw more light on how to identify the > > > > > usb device/serial port associated with this FTDI part on ROACH2 using > > > > > RHEL? > > > > > > > > > > Thanks, > > > > > > > > > > Nimish > > > > > > > > > > On Wed, Dec 5, 2012 at 8:11 AM, Nimish Sane <[email protected]> > > > > > wrote: > > > > > Hi Jason, > > > > > > > > > > Thank you so much for this information. I will report here if there > > > > > are any issues. Though we have not used KATCP previously, we are > > > > > familiarizing ourselves to it and plan to use it in future. This is > > > > > inline with the scheme you have described. I will try this out now. > > > > > > > > > > Thanks, > > > > > > > > > > Nimish > > > > > > > > > > On Dec 5, 2012, at 1:36 AM, Jason Manley <[email protected]> wrote: > > > > > > > > > > >> From our understanding usbboot is still not working and we have to > > > > > >> use mmcboot using SD cards. Is that correct? In either case, where > > > > > >> can I find the instructions and required files? > > > > > > > > > > > > Yeah, I don't actually think USB's ever going to work right as long > > > > > > as we stick with this PPC part... it's got issues with USB! Maybe > > > > > > we must look more closely at alternatives for ROACH3. > > > > > > > > > > > > But ROACH2 can now boot "soloboot" (boots off an onboard FLASH > > > > > > memory) and still offer a fully functional tcpborphserver3 > > > > > > interface out-of-the-box. This way, you don't have to fiddle with > > > > > > NFS booting, or preparing SD cards and worrying about filesystem > > > > > > corruption if you don't shutdown properly (soloboot filesystem > > > > > > mounts read only). You can now also upload your boffile from your > > > > > > control computer through KATCP, so no more rsyncing to get your bof > > > > > > files up there. > > > > > > > > > > > > Some notes: > > > > > > * You can get a command prompt by plugging a USB cable (type A-B) > > > > > > in the back and, courtesy of an FTDI part, you should get four > > > > > > serial ports. One of 'em (2 or 3, IIRC) will get you to the PPC. If > > > > > > you're using KATCP, you should never need to see a ROACH Linux > > > > > > prompt again. > > > > > > * An SSH server is not installed on soloboot. You can get a > > > > > > command prompt on the network via telnet, but you have to enable > > > > > > the telnet server (see /etc/rc.local). > > > > > > * DHCP is enabled by default, but you can assign a static IP > > > > > > address using the example in /etc/rc.local if you want. > > > > > > > > > > > > If you want all the Linux bells and whistles, you can still stick > > > > > > an SD card in there. You can use the same filesystem as your > > > > > > ROACH-1, but you'll have to modify it yourself to use a ROACH-2 > > > > > > compatible tcpborphserver. My suggestion would be to try'n use the > > > > > > soloboot option first (ie as it ships from digicom). > > > > > > > > > > > >> I guess I am pretty much confused on how to get started with > > > > > >> ROACH2 boards after sifting through the CASPER wiki, so I would > > > > > >> appreciate any help on how to get started with ROACH2 boards. > > > > > > > > > > > > You'll be one of the first CASPER users, so I'll be keen to hear > > > > > > how you get on. If you're familiar with ROACH-1 and are using the > > > > > > KATCP interface, I think you'll find it reasonably familiar and can > > > > > > probably just start using it. All your existing KATCP commands > > > > > > should be compatible. If you've been using your own Linux code on > > > > > > the PPC, then I'm afraid you're mostly on your own or at the mercy > > > > > > of the rest of the collaboration. While we've left support for > > > > > > alternative boot options in place on ROACH-2 (which is probably > > > > > > what you want to do if you want your own Linux > > > > > > filesystem/commands), SKA-SA will not be providing or supporting > > > > > > additional filesystems moving forward (mmcboot, usbboot etc). We're > > > > > > moving towards a model using something like soloboot where ROACH > > > > > > boards start looking like dumb appliances which makes maintenance > > > > > > much easier. KATCP is the only interface we can be sure will be > > > > > > supported in future so I'd suggest you aim to use that in your new > > > > > > designs if you can. > > > > > > > > > > > > Jason > > > > > > > > > > > > > > > > > > > > -- > > > > > Nimish Sane > > > > > > > > > > Center for Solar-Terrestrial Research > > > > > New Jersey Institute of Technology > > > > > University Heights > > > > > Newark, NJ 07102-1982 USA > > > > > Tel: (973) 642 4958 > > > > > Fax: (973) 596 3617 > > > > > [email protected] > > > > > > > > > > > > > > > > > > > > > > > > > -- > > > > Nimish Sane > > > > > > > > Center for Solar-Terrestrial Research > > > > New Jersey Institute of Technology > > > > University Heights > > > > Newark, NJ 07102-1982 USA > > > > Tel: (973) 642 4958 > > > > Fax: (973) 596 3617 > > > > [email protected] > > > > > > > > > > > > > > > > > > > -- > > > Nimish Sane > > > > > > Center for Solar-Terrestrial Research > > > New Jersey Institute of Technology > > > University Heights > > > Newark, NJ 07102-1982 USA > > > Tel: (973) 642 4958 > > > Fax: (973) 596 3617 > > > [email protected] > > > > > > > > > > > > > -- > > Nimish Sane > > > > Center for Solar-Terrestrial Research > > New Jersey Institute of Technology > > University Heights > > Newark, NJ 07102-1982 USA > > Tel: (973) 642 4958 > > Fax: (973) 596 3617 > > [email protected] > > > > > > > -- > Nimish Sane > > Center for Solar-Terrestrial Research > New Jersey Institute of Technology > University Heights > Newark, NJ 07102-1982 USA > Tel: (973) 642 4958 > Fax: (973) 596 3617 > [email protected] > > > > > -- > Nimish Sane > > Center for Solar-Terrestrial Research > New Jersey Institute of Technology > University Heights > Newark, NJ 07102-1982 USA > Tel: (973) 642 4958 > Fax: (973) 596 3617 > [email protected] >
