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#1 2013-02-26 20:03:42

kapec94
Member
From: Polanica-Zdrój, Poland
Registered: 2013-02-26
Posts: 3

Varying TTY resolution

Hello,
I am experiencing very odd problem lately. When I'm booting my system, tty resolution while kernel booting ("Welcome to Arch Linux" thing, not sure I'm using appropriate terminology) is as big as it can be without KMS (1440x1050 actually). But just when system reaches graphical mode and I switch to tty, something strange happens with resolution. It's much lower than it was earlier, but tty's size in characters is still as big as this for earlier resolution... In other words, I can see only small part of the terminal with letters magnified.
Also, when I lock my session and login back into it, the same thing happens, but this time in graphical mode and only thing that helps is to switch to tty and back to graphical mode.

I serve with any information you might consider helpful in finding solution to my problem.

My graphics card: ASUS Radeon HD5770; drivers: catalyst 13.2-6 (from 'catalyst' repository)

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#2 2013-02-26 21:26:54

mich41
Member
Registered: 2012-06-22
Posts: 796

Re: Varying TTY resolution

I'm not sure if catalyst works with KMS (FWIW, NVIDIA doesn't work). Check this in included README or at ATI website.

If it turns out that catalyst can't be made not to switch tty's to low resolution, just disable KMS and have the system boot in low resolution from the beginning (radeon.modeset=0). Or use FOSS driver if it works for you.

Last edited by mich41 (2013-02-26 21:30:35)

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#3 2013-02-26 21:41:54

kapec94
Member
From: Polanica-Zdrój, Poland
Registered: 2013-02-26
Posts: 3

Re: Varying TTY resolution

I does not. But I do have disabled KMS and always had. It's not the problem. I have used fglrx for very long time and this is the first time I'm having problem like this. It first encountered after package cleanup I've done on my computer. I probably removed a package I shouldn't but system doesn't "notice it" or at least doesn't log it anywhere.

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#4 2013-02-26 23:00:23

mich41
Member
Registered: 2012-06-22
Posts: 796

Re: Varying TTY resolution

Maybe it's some framebuffer driver then. Remove video and vga parameters from kernel command line or, if no such thing exists, add vga=ask and find out what you need to type instead of ask to get simple 80x25 text mode permanently.

Last edited by mich41 (2013-02-26 23:01:19)

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#5 2013-02-26 23:08:42

kapec94
Member
From: Polanica-Zdrój, Poland
Registered: 2013-02-26
Posts: 3

Re: Varying TTY resolution

I'll try it. But what in the case I want my old resolution to get working again? Probably I will have to do some researches on my own.

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