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Got it working. Thanks in advance. |
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|
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cheers, |
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Mark |
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|
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On 10/13/05, Mark Knecht <markknecht@×××××.com> wrote: |
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> Hi all, |
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> Is there a HOWTO on serial port console debugging for Gentoo? |
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> |
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> I'm seeing a crash on a new kernel at boot time and the kernel |
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> developers have asked me to set up a null modem environment, which |
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> I've done. I'm now trying to test it. However their very simple first |
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> test command: |
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> |
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> lightning ~ # echo x > /dev/ttyS0 |
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> lightning ~ # |
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> |
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> does not appear to produce any text on the second machine. |
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> |
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> I know nothing about setting up serial ports under Linux and am |
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> looking for some instructions. Here's the environment: |
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> |
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> Machine 1 - lightning - 1 serial port - this is the machine that |
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> crashes at boot with a certain option |
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> |
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> Machine 2 - gigastudio - 2 serial ports - this machine is running minicom |
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> |
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> What's a really simple process for checking out whether this is set |
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> up correctly? |
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> |
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> 1) I don't know that the null modem cable is good. I just bought it. |
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> |
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> 2) I don't know how to see if the serial ports are receiving any valid |
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> data, status signals, or anything else to show they are working. |
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> |
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> 3) I don't know if minicom would display incoming characters by default. |
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> |
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> I do think that I have serial support built into both kernels, but |
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> I'm not sure where to look to see status of serial ports. |
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> |
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> Thanks in advance for your ideas. |
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> |
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> Cheers, |
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> Mark |
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> |
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|
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-- |
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