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mreff555
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Joined: 10 Mar 2011
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Location: Philadelphia

PostPosted: Sat Sep 20, 2014 1:56 am    Post subject: xorg problems. black screen can't switch ttys Reply with quote

This is by far the most annoying problem I have ever dealt with on a linux system. Periodically, X will not load. I get a black screen with a blinking curser in the top left corner. After that I'm unable to switch tty's to kill X and have to use the SysRq keys to shut down. Until just now I didn't notice anything signs of the problem. No errors. The only thing I noticed (just noticed this today) was that my Xorg.0.log ended right after loading the ramdac module when X failed to load. Also, this was independant of the WM or DE in use.

The first time that I recall this happening, the system had come back up from crashing. For a while this only happened when the machine crashed. (I was having a strange power problem before.) Now it happens a lot. The fix is re-emerging xorg-server and nvidia-drivers. I used to only have to do it once. Now I have to do it a few times before it starts to work again.

Has anyone seen anything like this?

Sorry for not posting my log output, If you need it I can post it in a message or email it to you, but as about two weeks ago I am unable to get wgetpaste to work. Another very odd, reoccouring problem.
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Jaglover
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PostPosted: Sat Sep 20, 2014 2:02 am    Post subject: Reply with quote

Considering you also have problems with wgetpaste I'd suspect filesystem corruption. Hope you are not using ReiserFS?
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DONAHUE
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PostPosted: Sat Sep 20, 2014 2:30 am    Post subject: Reply with quote

a flaky power supply may have caused damage to other components, video cards included. varying heat, varying load may cause the random failure. With reinstall of video drivers being corrective I'd agree with Jaglover with the addition of progressive hard drive failure as the cause of corruption.

a couple of the pastebin sites, bpaste and ca, have been failing with wgetpaste recently. last 2 weeks? malfunction? policy change? Don't know.
Code:
 wgetpaste -S

Quote:
Services supported: (case sensitive):
Name: | Url:
=============|=================
*bpaste | http://bpaste.net
*bpaste | http://bpaste.net
ca | http://pastebin.ca/
codepad | http://codepad.org/
dpaste | http://dpaste.com/
gists | https://api.github.com/gists
lugons | https://paste.lugons.org/
poundpython | http://paste.pound-python.org/

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mreff555
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PostPosted: Sat Sep 20, 2014 12:38 pm    Post subject: Reply with quote

Jaglover wrote:
Considering you also have problems with wgetpaste I'd suspect filesystem corruption. Hope you are not using ReiserFS?


Yeah, as soon as I realized that replacing binaries was necessary to fix a reoccouring problem, thats kinda what I suspected. The question now is, did I just fry my hard drive? or is it time for a new laptop?
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mreff555
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PostPosted: Sat Sep 20, 2014 4:53 pm    Post subject: Reply with quote

Sort of an update. It probably reconfirms that there is a bad sector on the drive but, I thought I'd share because it's strange and maybe someone else has another idea about what it is.

So after it was working I did a proper shutdown/reboot. when it came back up, I noticed that during the boot sequence I saw something that looks a lot like a traceback, which you see when you have kernel panic. however it quickly proceeded. Quicker than when I was able to read. Also, when I got to the login prompt (I don't use login managers) typed in my name and suddenly I start seeing console data pertaining to my wireless connection. I put in my password and log in. I type startx and I'm back to the same old problem. This is exactly what has occoured every time it doesn't work. I shutdown properly using the SysRq keys, and rebooted. This time I didn't see the traceback, nor did I see the console messages when I put in my username. Rather than try to immediately re-emerge stuff I just started X. It worked.

So this kinda confirms that regardless of what the problem is, there wasn't actual damage done to the binaries. Does anyone have any theories about what it could be that don't involve replacing my drive? I guess I might as well try anything at this point.
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