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Old 06-07-07, 03:09 PM   #25
dgoodwin
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Default Re: Nvidia Crashing With Fedora 7 User Switching

Quote:
Originally Posted by netllama
I have a few questions:
0) Does this problem persist if you remove 'rhgb quiet' from your GRUB configuration (and reboot)?
1) Have you verified that you're using the latest motherboard BIOS?
2) How many simultaneous X servers are running when this problem occurs?
3) Does this problem persist if you're not using the Composite extension in X?

thanks,
Lonni
0) Yes, I replicated the crash after removing these boot options.
1) No, I will look into this if it looks straightforward enough that I won't turn it into a brick.
2) Just 1, I am now only testing the bug by logging into X (once), and switching back and forth to the console with Ctrl+Alt+F1 and back with Alt+F7 (which is when the crash occurs)
3) Yes, I did not have the composite extension enabled at any point. (as far as I can tell it's supposed to be enabled in the Extensions section of xorg.conf)
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Old 06-07-07, 03:16 PM   #26
netllama
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Default Re: Nvidia Crashing With Fedora 7 User Switching

The Composite extension is enabled by default in all recent distributions. You need to explicitly disable it.
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Old 06-07-07, 03:29 PM   #27
dgoodwin
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Default Re: Nvidia Crashing With Fedora 7 User Switching

Ok just replicated the error after adding the following to my xorg.conf.

Section "Extensions"
Option "Composite" "Disable"
EndSection

Looking into updating my bios but may not be able to without a Windows system to create the floppy from. Looking for another way now.
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Old 06-07-07, 04:41 PM   #28
edgan
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Default Re: Nvidia Crashing With Fedora 7 User Switching

Backtrace:
0: /usr/bin/Xorg(xf86SigHandler+0x6d) [0x47f5ed]
1: /lib64/libc.so.6 [0x3e6f830620]
2: /lib64/libc.so.6(cfree+0x3b) [0x3e6f873acb]
3: /usr/lib64/xorg/modules/extensions//libGLcore.so [0x2aaaad21169e]
4: /usr/lib64/xorg/modules/extensions//libglx.so(__glXResetScreens+0x3a) [0x2aaaab5a34ca]
5: /usr/bin/Xorg(CloseDownExtensions+0x35) [0x457f75]
6: /usr/bin/Xorg(main+0x47a) [0x43406a]
7: /lib64/libc.so.6(__libc_start_main+0xf4) [0x3e6f81daa4]
8: /usr/bin/Xorg(FontFileCompleteXLFD+0x231) [0x433319]

Fatal server error:
Caught signal 11. Server aborting


I googled for FontFileCompleteXLFD and found the url below. It seems to suggest it is more of an Xorg problem that affects more than nvidia. People mention ati binary drivers, intel drivers, etc. No solution there though.

https://bugs.launchpad.net/ubuntu/+s...org/+bug/71913
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Old 06-07-07, 04:48 PM   #29
edgan
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Default Re: Nvidia Crashing With Fedora 7 User Switching

After further research it seems to be a different issue. The font function is most likely just a common code path. The more likely issue is glXResetScreens. Googling it doesn't bring back any results.
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Old 06-07-07, 05:18 PM   #30
edgan
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Default Re: Nvidia Crashing With Fedora 7 User Switching

I tracked down a workaround that works for me. My desktop at the office is fairly close in style to my desktop at home that had Xorg crashing. So I tried reproducing the bug, and found I couldn't. I then made my office config fairly close to my home config. Then the office machine's Xorg could crash too. Then I tried taking the Module section out and it went away. I then started going module by module and found it went away when I commented out dbe, aka the double buffer extension.

# Load "dbe"
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Old 06-07-07, 06:10 PM   #31
JaXXoN
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Default Re: Nvidia Crashing With Fedora 7 User Switching

Quote:
Originally Posted by dgoodwin
Looking into updating my bios but may not be able to without a Windows system to create the floppy from. Looking for another way now.
If the BIOS updater is a DOS application (which is typically the case for
most BIOSes), you can use DR-DOS or FreeDOS, instead:

http://oldfiles.org.uk/powerload/bootdisk/DRDOS703.zip
http://www.freedos.org/

AFAIR, there was once an anouncement that DR-DOS 7.03 can be
used free of charge for non-commercial use, but i can't find the
reference any more ...

regards

Bernhard
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Old 06-07-07, 06:21 PM   #32
dgoodwin
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Default Re: Nvidia Crashing With Fedora 7 User Switching

edgan's workaround of commenting the dbe module out is for different symptoms, and does not workaround the problem with the X session crashing after switching to console and back.
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Old 06-10-07, 11:02 PM   #33
jdeslip
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Default Re: Nvidia Crashing With Fedora 7 User Switching

I also have both of these problems. X crashing when switching users and switching to console and back. Does the work around fix any of them?
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Old 06-11-07, 06:49 AM   #34
dgoodwin
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Default Re: Nvidia Crashing With Fedora 7 User Switching

Unfortunately no, in my case it does not seem to help.
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Old 06-11-07, 12:44 PM   #35
jdeslip
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Default Re: Nvidia Crashing With Fedora 7 User Switching

me either since I never had dbe in my xorg.conf to begin with.
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Old 06-12-07, 08:03 AM   #36
dgoodwin
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Default Re: Nvidia Crashing With Fedora 7 User Switching

Before I open a new thread/bug with Fedora (there seems to be a strong possiblity this is not an nvidia problem at all), could ANYONE who's having the same problem (X crashes completely when switching to console with Ctrl+Alt+F1 and back again with Alt+F7, or using multiple X servers switching back and forth) confirm that the crash ONLY happens when sound is in play. I believe this is only happening to me when I have rhythmbox open and playing or paused (if i haven't yet played anything the crash does not occur).

Using this I've been able to replicate the crash over and over, or have it work fine with no sound in the picture. WIll test other applications with sound as well soon. Also, I've been able to replicate the problem with the nv driver, so I'm getting very sure this is not an nvidia problem at all.
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