Ubuntu :: Freeze After Switching Video Mode During Boot ?
Oct 8, 2010
I just bought an Asus TS mini server. It has an Atom CPU (N280), and an Intel 945 chipset.
I installed Ubuntu Server Edition 10.04, that went smooth.
But on first boot, I see it hanging just after it mounts the swap. Now I don't think it has anything to do with that, the problem seems to me that at that point, it also switches the video mode. I guess that's where the problem is caused. It just freezes, no kernel panic, no reaction to the keyboard.
The system is dual boot, and the other OS is Windows Home Server. I put an ext fs driver there, and tried to read the logs, but don't get a clue from there. In particular, syslog doesn't even exist. Also no X log.
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Mar 19, 2016
I upgraded a wheezy box in qemu to jessie (without systemd!) and now I didn't get an output from the console to a hostterminal using curses.System and grub starts with terminal output, but after around 6 to 8 lines of output the terminal gets black. As far as I found out it seems that the init process switches to graphical output. I tried out all found kernel options from nomodeset up to nofb,Are their other options to stop switching to framebuffer and graphical mode.
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Jan 10, 2011
i'm running openSUSE 11.3 32b and i have an issue. i'm running a webapp for my business that displays a lot of photos (~20MB/webpage) after 15-20 minutes of browsing the pages the ?display? adapter goes nuts ImageShack® - Online Photo and Video Hosting and when i'm switching from one page to another ff freeze for about 30-60seconds. i also test the app on fedora,ubuntu,windows but with none of those behaviours
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Oct 13, 2010
How can I set a video mode when slackware starts? Instead of having to select one each time or wait 30sec.
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Jun 13, 2010
I'm a long time user of CentOS 5 w/KDE 3.5. I have always had this problem to various degrees no matter what installation of CentOS 5 I'm currently on. This same hardware does not exhibit the same symptoms with another OS.The problem is I regularly have many konsole instances open. I alt-tab between them frequently. Inevitably a random alt-tab will freeze the keyboard and the mouse won't be able to click anything although I can move the mouse cursor around. I can't type anything. It seems to have some sort of timeout and it always come back to responsiveness.
I alleviated this problem (I think) by switching keyboards, installing the nvidia driver instead of the nv driver, shutting down all non-essential services.I have seen these symptoms on every system I have installed CentOS 5 where KDE 3.5 was also installed. Very different hardware setups each time.Has anyone else run into similar symptoms?I'm surprised that it's just CentOS 5 w/KDE 3.5 that exhibits this behaviour on the same hardware where other operating systems (gentoo, suse, etc.) did not exhibit these symptoms.
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Apr 30, 2011
I recently upgraded from 10.10 to 11.04 and have been unable to switch to console mode (Ctrl+Alt+Fx key combo). The system just freezes on attempt (not even capslock on off works) and the only option is hard reset. I am on a SONY VAIO VGN-CR353, just in case.
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Aug 7, 2010
I have been using SuSE Linux in text mode for the longest time (since 8.0) and I'm often more comfortable working in that mode. I have just installed 11.3 with GNOME as a fresh install on my dual-boot laptop and I am pretty happy with the way things work. But I still languish for my text mode from time to time.
So: I know about right clicking on the desktop and selecting "Open in Terminal" and that should really solve my needs, but I read here in an older thread about using Ctrl + Alt + F2 (as it happens, it can be F1, F2, F3, etc.) so I decided to try it out. Well, when I do that, I get exactly what I expected --- a black text screen with a login: prompt and I can do all my little texty things just as sweet as can be. Except for one thing: I can't get back! The only way I've been able to get back to a GUI is to use "shutdown -r now" as user: root. Also, Ctrl + Alt + F1 removes the GUI completely for all four terminals. Can someone tell me more about this function where I might read an "info" or "man" about it? I don't even know what it is called, so it is hard to know how to search. (Admittedly, I haven't tried Google yet.) uname -a ==> Linux linux-127g.site 2.6.34-12-default #1 SMP 2010-06-29 02:39:08 +0200 i686 i686 i386 GNU/Linux
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May 27, 2010
If I switch the network card in fullduplex mode (switching command: ethtool - change eth0 autoneg off duplex full), then the network stops working. On Slackware 13.0 this problem did not exist.How do I switch the network card in fullduplex mode?
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Sep 2, 2010
I am trying to run boot up in recovery mode in Lucid Lynx 10.04 on a Dell XPS M170. When it gets to [1107.134155][drm] nouveau 0000:01:00.0: GPU lockup-switching to software fbcom, it stops and freezes up and will go no further.
What does this mean and is there a fix?
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Jul 17, 2010
I set up a Ubuntu machine using the OnBoard video, and it runs OK.
Now, I put a nVidia card in it (2009'ish 512mb), and there is no screen after the BIOS screen.
If I boot off a Live CD, everything is fine, so the card is supported.
How do I get Ubuntu to look for the new card on bootup? Do I have to reinstall? If so, will it wipe out the installed applications and data?
Code:
cd / (this gets you to root)
cd etc
sudo chmod 777 X11 (this permits changing names)
cd X11
sudo chmod 777 xorg.conf.failsafe
[Code].....
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Nov 21, 2010
when my monitor turns off after 30 minutes, I cannot do anything after. We're talking complete lock down of Ubuntu 10.04 64-bit. Not even alt+printscreen+REISUB reboots the machine; I have to do a hard reboot (which sucks and is hard on hardware).
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Mar 11, 2010
I boot into gnome just fine, but as soon as I switch to console 1 or 2 or N (insert number here) it distorts my video across all of them. It seems like it's changing the refresh rate either horizontal or vertical and I just don't know how to solve the problem. If it distorts I can't get it back to decent readable graphics without a reboot. Was doing the same thing in ubuntu, and that's part of the reason I installed suse. I am running 1600X1200 with 50 refresh rate in gnome and have swapped the console resolution around, trying different options but still have the same problem.
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Apr 25, 2010
I'm having trouble getting X to work after switching from onboard intel video to a 5000 series ATI card. Apparently I need to switch to a MESA or fglrx driver. I did a sudo apt-get install fglrx-driver and it installed but still no X. I'm currently using Karmic. I've tried to boot with a live CD which works fine and changed the xorg file manual but that was a mess.
When I start I get a checking battery state ... done and it stays there forever sometimes and sometimes I can login but without x. Typing startx gives me a long list that says check the xorg website. I've been looking around for a way to fix this and haven't been able to get it working.
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Jun 26, 2010
I have a strange problem on my MythTV PC: From time to time when I watch TV or a video in VLC the picture freezes but the sound will go on. After some time the picture comes back, first with some ugly artifacts in it and then completely. I've found out by letting htop run in the mean time that during these time CPU usage spikes up to a 100%, I also identified the process causing it (see attached screenshot)
Code:
/usr/X11R6/bin/X :0 -br -audit 0 -auth /var/lib/gdm:0.Xauth - nolisten tcp vt7"
but I have no idea what it does or why it behaves that way. Can someone fill my gaps here? By the way I'm not running Mythbuntu, but Ubuntu (gnome) with a mythback- and -frontend (don't know whether that's relevant though). I have a nVidia graphics card and a dual screen setup.
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Apr 23, 2010
how do I make grub boot to allow me to choose, like safe mode and normal mode and all that second, how do I do automated back ups (preferably using file copy) for something like every sunday at 11:00 am using the command line, i use to know but forgot.
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Nov 18, 2010
I attempted to install Catalyst 10.11 for my ATI HD 2600XT and the system now only displays lines and a large block of pixels where the mouse would go. CTRL-ALT-F1 kills the system and does not provide a command prompt. This is a single installation, not dual-boot, but there is no Press Esc to access the Grub menu during startup so I cannot choose safe mode. I attempted to get into Recovery mode using the flash drive that I used to install the system and it tells me there is no Recovery kernel (I used the 64-bit Desktop installer, not alternative). Does anyone know an alternative to get into the Grub menu other than ESC during bootup? Alternatively, do I need to download the 64-bit Alternative ISO and create a new boot disk with it so I can access Recovery mode? Is there something else I'm not thinking of?
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Nov 9, 2010
I am having a problem getting my virtual console back after starting XWindows. The display goes blank when I press Ctrl-Alt-F1. If I press Ctrl-Alt-F7 I get the X session back. I have tried setting vga=x31A on the linux boot up. Also tried rdev -v /vmlinuz -1, and rebooted. I have tried two different monitors, same problem. One is a an LCD (Philips 170S6Fb/27, the other a Samsung Sync Master 750s. Originally the Samsung worked fine. I could switch between X and VC no problem. Now that I have the LCD monitor working after changing the XF86Config, I have this problem.
My kernel is 2.2.15-5.0, Redhat 6.2. Here is the output of lspci for the video card:
00:0c.0 VGA compatible controller: ATI Technologies Inc 3D Rage II+ 215GTB [Mach64 GTB] (rev 9a) (prog-if 00 [VGA])
Subsystem: ATI Technologies Inc: Unknown device 4755
Flags: bus master, stepping, medium devsel, latency 0
Memory at e2000000 (32-bit, prefetchable)
I/O ports at b400
Memory at e0000000 (32-bit, non-prefetchable)
Expansion ROM at 000c0000 [disabled]
Hopefully there is someway to control how linux sets the video mode when switching consoles.
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Mar 25, 2010
Linux and ubuntu. second my computer is single os with ubuntu 9.10. the problem i have is trying to watch any thing streaming media. Movies, music, like from ....., divx, or even megavideo which seems to work best right now.
What happens is that the video or firefox it self seems to freeze up every 10 minutes or so.
It may be that i need to increase the buffer memory size but i do not know how to.
I have updated my computer and firefox and installed and updated any possible add-ons that would fix the problem.
What im asking for is either a patch or add-on that will help this problem or how to run windows inside of ubuntu. (Im am tired of windows and ubunu has made my computer work so much faster, when i am sure that i know how to make this computer stable with what i need for internet use i will apply it to my other computer.)
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Oct 20, 2015
i have noticed about 10 desktop crashes since may, because of gnome videos(totem). in particular, when i repeatedly open and close videos, the desktop freeze. should i use another program?
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Mar 10, 2011
I need boot in emergency mode (not single user mode), from docs:
[URL]
in red hat enterprise 5 it's ok, not in red hat 6.
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Feb 16, 2009
just built a computer and wanted to try out some linux.
First off I burned the Fedora 10 x86_64 disk image (using disk utility on my mac at 4x speed then verified it) to a dvd. I start the install. "x startup fails to load, falling back to text mode" comes up. I use the text install then. It gets to the actual installation of the different packages then a black screen shows up with white text that's highlighted red (sometimes it's blue). It then freezes and I reboot. Sometimes it freezes at different points and with different messages, but the description above is what happens most often.
I try writing it at 1x speed and verifying. same thing.I try the Live CD. It freezes.Then I tried Fedora 9. same thing.
Next I go to Ubuntu 8.10.I try the regular install, but the orange loading bar freezes.I try the Live CD-like install. It runs!...but when i go to install, when it gets to the partitioning part, it freezes and becomes unresponsive.
Each time it froze I let it sit for about 10 minutes, just to make sure it is in fact frozen. I've tried these installs numerous times.
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Aug 7, 2010
I have windows 7 64 bits and i'm trying to install ubuntu 10.04 amd64. The installation was good but when i'm trying to boot on ubuntu i have a black screen with a message "mode not supported".
I've looked for the problem on google. The solution is to change the frequency of the monitor. Mine supports only 75htz max and on the error message I have 77htz, what's why it's not supported.
The problem that to change the frequency for lunux i have to be logged in linux in order to type commands in the terminal.
But I can't see a thing, only the message about the mode not supported, so I can't type anything.
I found some solutions here but i can't do what they ask, because I can't boot and the message doesn't disappear. [url]
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May 28, 2010
Tried to install the ATI proprietary drivers (fglrx), but when I boot up, all I get is "Video Mode Not Supported". I suspect my refresh rate or resolution is the problem, but I don't know how to change it from the terminal (ctrl-alt-f1)
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May 8, 2011
I am running a dual boot system. I have XP on one HD and Ubuntu 10.04 on the other. No problems. I boot back and forth all the time. Then came along Natty. Now I tried to boot over, and I get "Cannot display this video mode". I have it set up that when I restart, if im away from the computer, Ubuntu starts by default. So it eventually starts in ubuntu. But the screen where I used to be able to choose which operating system to boot into is now replaced with "Cannot display this video mode".
I am not wireless, and nothing has changed as far as hard wear. The monitor is some old Dell that worked perfectly fine with 10.04. I tried changing my resolution and settings to every different one, and restart, and still no dice.
To sum it up, after my update to Natty, when I reboot, my OS selection screen is no longer visible. Its now replaced by "Cannot display this video mode".
So now it seems, what ever setting this screen is running on, XP dont like it..... because of Natty?
I gotta get some work done in XP, so right now im screwed. My CRT is currently sitting outside in the rain. Or I would try it.
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Jan 23, 2011
I just downloaded and installed Ubuntu 10.10 Netbook Edition for my Toshiba Tecra A4 laptop, but the system first froze at the default desktop picture (nothing was loaded except the arrow). Tried restarting only to find it frozen on the purple boot screen again with only the mouse arrow loaded (I can move it around).
Note: The same thing happened when I tried to boot Ubuntu from CD (without installing)
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Sep 1, 2011
I installed ubuntu 11.04 to my Compaq Presario CQ61-402SA (Dual boot with windows 7 Home premium 64-bit, Via a partition) And now I can't get back to my W7! Disk Utility says that it is "unallocated"! It had lot's of important info on it! Sorry for urgency, but it's important I get this OS and files back, intact.
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Mar 29, 2010
As my inspirations forced me to download Kde desktop on my Fedora12 with default gnome desktop. It took me whole night to get the big download by -
"Yum install @kde-desktop"
It got installed successfully.
What I did after that was -
"switchdesk kde"
...Voila...and strange thing happened. The gnome remained there but all the kde features started getting included in there like koffice, kopete etc . Now I waited for around 3 hrs. but only lower task bar of kde got installed and that too very unstable. So I thought of logging out and starting a new session with kde but It never got logged in again. It froze at boot time with Fedora logo, damn.
I have two kernels installed and configured at boot, one is 2.6.31.X (default) and the other is 2.6.32.X which I installed to get my BCM4312 wireless activated and all the activity being done on this.
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Oct 5, 2010
I been having a problem with default sound device. I have a TV card and use on-board audio. Every reboot the default soundcard switches between the two. I made an asound.conf in etc pointing to the on-board for Firefox to get sound, but since it keeps switching between the 2 devices I keep having no sound in Firefox. How can I set the on-board audio as default, and make it stick?
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Jan 28, 2010
i get this message both when booting from the live usb and once installed (i am asked to chose low graphics mode, or to reconfigure X):
Ubuntu is running in Low graphics mode. error: update configuration to solve
(EE) intel(0): output LVDS enabled but has no modes
(EE) intel(0): no valid modes
(EE) screen(s) found, but none have usable configuration.
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Mar 10, 2010
vlc wont save video deinterlacing mode?
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