On 16 February 2017 at 07:06, Hazel Russman <[email protected]> wrote:
> On Wed, 15 Feb 2017 01:38:56 -0600 > "Douglas R. Reno" <[email protected]> wrote: > > > On Wed, Feb 15, 2017 at 12:45 AM, Hazel Russman < > [email protected]> > > wrote: > > > > > I'm replying to my own post just to tidy things up. It turns out that > > > udevadm settle was a complete red herring. This command takes a long > > > time to execute, so there's rather a high chance of something else > > > happening coincidentally at the same time. The real cause of the > > > problem was the kernel loading the viafb module followed by fbcon. It's > > > fbcon that crashes the screen. If it is blacklisted, the boot > > > completes normally. > > > > > > Actually it always completes normally according to the logs. It's just > > > that you can't see it doing so with the screen misbehaving. In any > > > case, the problem is purely with the Via Chrome graphics card and > > > nothing to do with LFS. > > > > > > -- > > > > > > H Russman > > > -- > > > > > > > Hazel, > > > > Just for fun, I'm compiling LFS on a VIA-based Netbook by HP (well, if > you > > call waiting for three days for GCC to compile *fun*, seems sort of > > masochistic to me), and I found that you can enable VIA Unichrome > Graphics > > Support in the kernel. It's under "Legacy Drivers (DANGEROUS)" or > something > > similar in the kernel's Graphics Options in Device Drivers. You might > want > > to try that and see if that helps at all. It's untested by me, I'm > nowhere > > close to that point yet, and probably won't have time to play with it > until > > after release. > I can't find that branch in my kernel config (4.7.9). There are a number > of Via-Chrome-specific options and I have made them all as modules, but no > "Legacy drivers" and certainly nothing that is marked as dangerous. I > wouldn't dare to use an option with a label like that! > > In any case, I now have a solution that works for me. I shall be needing > viafb later (the webcam needs it and X probably uses it too) but I have no > need of a framebuffer console. What use is it except to show you pictures > of penguins while you're booting? So blacklisting fbcon solves my problem > at zero cost. > It can do far more than that; you can set up a reasonable graphics environment with the framebuffer. There are many tools that can be used to do that: DirectFB, which provides graphic acceleration and transparency; the Links web browser with the "g" option (glinks); fbterm, a terminal emulator; fbi, an image viewer, and many more. If you want a really lightweight system the framebuffer is worth checking out, and all the tools work well with LFS. I tried most of them on the first system that I built some years ago, and I was very happy with the result; and no X. Richard
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