Can't boot Ubuntu 12.04 after hard crash

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nss000

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Apr 18, 2008
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Gents:

Running Xeon 1240/MSI-Z77a-gd55/gtx430 under U_12.04.x/Gnome. System has been working for months, and just swallowed a big UBUNTU update. Only issue has been a consistent graphics transient-scrawl across the top of the screen before the GUI boot-display settles down.

Tonight watching UTUBE videos I had a hard crash. Used //clt-alt-f2// and got to text shutdown. Exited. Tried to reboot. Got the std Debian splash-screen and std Ubuntu boot-screen. But all attempts to boot into one of the several offered GUIs resulted in recycling to the same boot-screen.

So ... I'm stuck recycling at the boot-screen until I click for shutdown (works 1/2 the time) or manually enter text mode. I can never get admitted to GNOME or UNITY. There are horror-stories about such crashes like this one:

http://askubuntu.com/questions/335205/ubuntu-12-04-lts-wont-boot-after-system-crash-corrupt-file-system

Any suggestions for addressing this issue appreciated.

 
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stillblue

stillblue

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My first thought is a corrupted file system. Boot from a live dvd or USB and do a fsck (file system check) on the ubuntu partition. You can also do that easily via boot-repair in it's advanced settings or with gparted by selecting the partition and selecting check file system.

 
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nss000

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SB:

Tried again a graphical LOGIN using older versions of Ubuntu. Fails by recycling GUI LOGIN screen.

I can get to the CLI by ctrl-alt-F2 and login successfully to current Ubuntu version: 3.0.x. Generic text commands appear to execute normally. EXCEPT when I type " sudo startx"!

Then I am told:

**Fatal server error ... server already active ... INVALID MIT-MAGIC-COOKIE-1. Remove /tmp/.X0-lock..."

Removing that file buys me nothing. I can still perform commands in the CLI. Am I correct assuming the file system is OKey and failure is in the GUI ??




 
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Ijack

Ijack

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Jul 30, 2008
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I suspect that your Gnome configuration and/or cache files have got corrupted. You can confirm this by creating a new user and seeing if you can log on to the GUI as them.

(Note: the file ~/.xsession-errors should give you a hint as to the cause of the problem. Have a look at it.)
 
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nss000

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IJ:

Thanks for the idea. I successfully created a **new user** at the command line. This new user **FAILED** login at the GUI. Same recycling behavior as with principle user. Sure like to know what sys-component got trashed. Should I be thinking of a complete re-install of 12.04?




 
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nss000

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Pages of error messages ... hgundreds of errors in pin-point-tiny gibberish I do not understand. Random sample stuff like:

1)warning: shell not running
2) Failed to open VDPAU backend
3) GERROR:GDBus Error: org-freedesktop.DBus.Error. Service UnKnown

...and hundreds more errors like that and many multi-line. Reading through the mess my feeling (not my understanding) is of one person trying to talk to an expected companion who has not got on the same "bus".

???




 
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nss000

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The (legacy) solution is from poster **kinetos** on UbuntuForums... Jan 2013:

Get to the CLI however (ctrl-alt-F2), login as yourself (fooman) and type:

**sudo chown fooman:fooman .Xauthority**

Reboot. System seems now to be stable. But --- what-the-hey happened ?????



 
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nss000

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Pondering my recent Ubuntu computer glitch, and its obscure fix allows me to consider a history of improved value in Linux. That is, Linux improved for the only people that count ... the class of casual Linux lusrs. And for that most-important class there has been **no** substantial improvement in Linux usability since RedHat snatched their successful version RH_6 ... baseball bat, mitt and ball ... and dumping their casual userbase went home to the enterprise.

Excepting sex and drugs there must apply to every craft a rule: if you don't try really really hard to push ahead -- to better the breed your enterprise just ... vanishes.
 
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