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Re: [Libreboot] blank screen with libreboot on x200

From: Tudor SUCIU
Subject: Re: [Libreboot] blank screen with libreboot on x200
Date: Sat, 25 Jun 2016 23:40:26 +0200


I tried the EHCI debug with the recommended beta x200 image.

I suspect it's not a screen issue, but a ram issue.
I don't get any EHCI Debug output. With the kernel parameter
"earlyprintk=dbgp,keep" and original bios I get the printk output so the
beaglebone black setup is buggy but working.

Are there any recommended parameters in order to debug ram issues?
I have 4 ram modules of 4 types. I have read that libreboot should be able
to use a single module.

On Thu, Jun 16, 2016 at 6:40 AM, Iru Cai <address@hidden> wrote:

> On Thu, Jun 16, 2016 at 2:50 AM, Tudor SUCIU <address@hidden>
> wrote:
>> Hello,
>> I used the image 20150518 x200_8mb_usqwerty_vesafb.rom on a x200 type
>> 7459-KM3.
>> The pc starts normally, but the screen is always black. The vga output
>> does
>> not work either.
>> There are some errors while writing/reading the images so the process is
>> pretty slow.
>> The system has proprietary bios again now. Are there any pieces of info
>> that I should provide to help tracking the problem?
> You can connect a EHCI debug dongle to the X200 and get some debug output.
>> Is there a different image(text mode) that I should try?
>> Thank you,

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