Bug 476747 - lack of error recovery for gdm/X-server failure
lack of error recovery for gdm/X-server failure
Product: Fedora
Classification: Fedora
Component: plymouth (Show other bugs)
All Linux
low Severity medium
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Assigned To: Ray Strode [halfline]
Fedora Extras Quality Assurance
: Triaged
Depends On:
Blocks: 476749
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Reported: 2008-12-16 17:01 EST by Roland McGrath
Modified: 2009-12-18 02:18 EST (History)
3 users (show)

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Fixed In Version:
Doc Type: Bug Fix
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Last Closed: 2009-12-18 02:18:45 EST
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Description Roland McGrath 2008-12-16 17:01:52 EST
Description of problem:

When the X server fails to start, the graphical boot splash screen ("solar") remains in place and the console is unusable.

Version-Release number of selected component (if applicable):


How reproducible:

Steps to Reproduce:
1. echo lose > /etc/X11/xorg.conf
2. reboot
3. wait for the stars to stop twinkling
Actual results:

Frozen console, cannot get anything from typing, can't switch VTs.

Expected results:

Switch to text mode, show some error messages.

Additional info:

I'm not really sure which components are at fault here.  The lack of error recovery is a serious problem--the boot sequence should become usable somehow in many different cases of components failing.

Here the X server refused to start up because of a bad xorg.conf file.
That is fine for its part, but gdm should be more graceful about it.
I can't even figure out how to make gdm restart (without rebooting) after fixing the problem via ssh login.

Even if gdm fails ungracefully, the boot sequence should do something that a console user can recover from.  Switching to text mode and making VT switching hot keys work seems like the minimum.  Booting the same system with "rhgb quiet" remove from the kernel command line at least gets you that.
Comment 1 Ray Strode [halfline] 2008-12-16 17:29:03 EST
Right now we put the console into KD_GRAPHICS mode to prevent text from showing up.  Soon we'll be switching over to using libdrm for plymouth.  As part of that changeover plymouth will own it's framebuffer object instead of using the kernel one (which fbcon also uses).

This problem should go away then.
Comment 2 Bug Zapper 2009-11-18 05:29:28 EST
This message is a reminder that Fedora 10 is nearing its end of life.
Approximately 30 (thirty) days from now Fedora will stop maintaining
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bug reports from releases that are no longer maintained.  At that time
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Comment 3 Bug Zapper 2009-12-18 02:18:45 EST
Fedora 10 changed to end-of-life (EOL) status on 2009-12-17. Fedora 10 is 
no longer maintained, which means that it will not receive any further 
security or bug fix updates. As a result we are closing this bug.

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