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SPasechnik
SPasechnik
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Do I need to do anything special to get the SSD in the mSATA port of my IGEPv5 to show up in the Ubuntu Linux OS booted from the SD card? I am not seeing any /dev/sd* in the system.
Responses (11)
  • Accepted Answer

    abenete
    abenete
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    Monday, February 22 2016, 10:25 AM - #permalink
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    Hi Sergey,

    if you connect to the board's Serial Port RS232 on J901, you can see the booting process and the messages printed during boot time. Can you then copy them here? It should solve the kernel log buffer size problem.

    Cheers!

    Alejandro
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  • Accepted Answer

    SPasechnik
    SPasechnik
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    Saturday, February 20 2016, 05:22 PM - #permalink
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    Is there a way to do this without recompiling the OS? That's not something I'm very well equipped to do right now. Perhaps there might be a way to limit some of the other things going into the log, to keep it from overflowing? Or to get the information through a different log?
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  • Accepted Answer

    abenete
    abenete
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    Friday, February 19 2016, 09:35 AM - #permalink
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    Hi Sergey,

    you can't change dmesg buffer size from userspace, but during compiling time.
    To do so, you must open the configuration menu and change Kernel log buffer size (16 => 64KB, 17 => 128KB) to an integer value within a minimum of 12 and a maximum of 25.
    You can find this option under the General Setup category, inside the menu generated by make menuconfig.

    Cheers,

    Alejandro
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  • Accepted Answer

    SPasechnik
    SPasechnik
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    Friday, February 19 2016, 01:22 AM - #permalink
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    Pau,

    How would I go about increasing the buffer size?

    I have tried this SSD with a second IGEPv5 with no success. Don't have another SSD to test, though.

    Thanks,
    Sergey
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  • Accepted Answer

    Thursday, February 18 2016, 03:57 PM - #permalink
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    Hi SPasechnik,

    A kernel log always start at 0 s, I guess you need to increase dmesg buffer size

    Your SSD drive should work with IGEPv5. Can you test with another SSD unit?

    Cheers!
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  • Accepted Answer

    SPasechnik
    SPasechnik
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    Monday, February 15 2016, 05:23 PM - #permalink
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    Pau,

    That is the entire /var/log/dmesg file, just renamed with a .log for easy viewing.

    I'm using a Kensington SMS200S3/60G 60 GB disk.

    No patches were applied. uname -r: 3.8.13-0-omap5-00390-g667cf42
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  • Accepted Answer

    Monday, February 15 2016, 10:05 AM - #permalink
    0
    Hi SPasechnik,

    Please, attach your whole kernel log, edit your serial communication preferences to increase "lines of scrollbar" variable

    Some questions regarding your issue:

    What is your SATA disk?
    Did you apply some patch into kernel branch linux-3.8.y-omap5?

    Cheers!
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  • Accepted Answer

    Sunday, February 14 2016, 01:09 PM - #permalink
    0
    Nothing concerning sata there.
    You should reseat the drive.
    Maybe try on another device if you can.
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  • Accepted Answer

    SPasechnik
    SPasechnik
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    Friday, February 12 2016, 01:07 AM - #permalink
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    Here's the dmesg log.
    Attachments:
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  • Accepted Answer

    Thursday, February 11 2016, 07:47 PM - #permalink
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    I can use a mSATA SSD with the official kernel without problem.
    Indeed, what's your kernel log (dmesg) ?
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  • Accepted Answer

    Monday, February 08 2016, 10:10 AM - #permalink
    0
    Hi SPasechnik,

    Can you share your Kernel log?

    Cheers!
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