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monitor out of sync during boot and in tty/terminal
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e3k
Apprentice
Apprentice


Joined: 01 Oct 2007
Posts: 180
Location: Slovakia

PostPosted: Fri May 16, 2014 6:59 pm    Post subject: monitor out of sync during boot and in tty/terminal Reply with quote

hi,

this is a problem on a fedora 20 machine with an old intel 8xxxx card. i write this here because i am now mainly for kernel param settings which is an international topic.

i can see grub during boot, but when kernel comes up at some point i get out of sync/no signal message from the some old hansol monitor. after X comes up i get video signal again. but when i switch to ctrl+alt+f1 the signal gets lost again and i want to use that to get root. when this pc was connected to my old eizo i did not get this problem. the connection is a vga cable.

now for the kernel parameters:

i tried:
1. nomodeset
2. acpi=off

and the terminal problem disapeared. but when playing videos in vlc or mplayer the player did freeze. this pc is meant mainly to play videos and music so i have a problem with that.

i tried also these without an effect:
1. i915.mode=0
2. i915.mode=1
3. pci=bios
4. pci=nobios
5. acpi_osi=Linux
6. acpi_osi=Windows

i also tried these to set the resolution but only 1. vga worked
1. vga=792
2. set gfxmode=1024x768
3. set vbemode=0x105

now the question is is there a way to get the tty terminal on this machine while the video players work?
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khayyam
Advocate
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Joined: 07 Jun 2012
Posts: 2244

PostPosted: Fri May 16, 2014 7:10 pm    Post subject: Re: monitor out of sync during boot and in tty/terminal Reply with quote

e3k wrote:
this is a problem on a fedora 20 machine with an old intel 8xxxx card. i write this here because i am now mainly for kernel param settings which is an international topic.

e3k ... whatever the topic its Fedora and so should be posted to "Unsupported Software". You should request a moderator to move it.

best ... khay
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John R. Graham
Administrator
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Joined: 08 Mar 2005
Posts: 7742
Location: Somewhere over Atlanta, Georgia

PostPosted: Fri May 16, 2014 9:56 pm    Post subject: Reply with quote

Moved from Kernel & Hardware to Unsupported Software.

- John
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