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[SOLVED] Lots of Segmentation Faults
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vlynd
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PostPosted: Mon Jan 13, 2014 5:23 pm    Post subject: [SOLVED] Lots of Segmentation Faults Reply with quote

Hi Folks,

since a few days, I got _lots_ of segmentation faults in various programmes. The most obvious happen in Firefox and Thunderbird, but also in emerge, gnome-terminal and (I think) the
gnome shell window manager (metacity?).

Also, I obtain Problems emerging several programmes. For example, curl:

https://dpaste.de/0oQ6
https://dpaste.de/vVJQ

Looks like a problem with pthread, but I struggled to find a solution. Also, I somehow think that might be connected with the segmentation-fault-problem.

Looking forward for hints :-)


Last edited by vlynd on Wed Jan 15, 2014 1:12 pm; edited 1 time in total
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RazielFMX
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PostPosted: Mon Jan 13, 2014 5:37 pm    Post subject: Reply with quote

The first thing I would do (and maybe you have done already) is run a revdep-rebuild -p to see if there is a linking inconsistency in built libraries. Also, grep revdep out of /var/log/portage/elog/summar.log*

Sometimes updates tell you that you need to update certain library dependencies and if you miss it, you get weird errors down the road.
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vlynd
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PostPosted: Mon Jan 13, 2014 5:43 pm    Post subject: Reply with quote

'revdep-rebuild' says my system is consistent. Grepping for revdep just gives me two results that say I should do it. :/
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Chiitoo
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PostPosted: Mon Jan 13, 2014 6:12 pm    Post subject: Reply with quote

Teegrins, vlynd!


With regards to the segmentation faults, I would recommend sys-apps/memtest86+ for a time, to see if the problem clearly lies there. It's where most of mine have been lurking at, especially so if the faults are seemingly random'ish, and not for example happening always at the same point of <a thing>.
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vlynd
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PostPosted: Mon Jan 13, 2014 8:02 pm    Post subject: Reply with quote

Ok, I did that for a while. Unfortunately, I am not really confident with this stuff, but I suppose 86k errors are not *that* good:

http://frupic.frubar.net/shots/31096.jpg
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RazielFMX
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PostPosted: Mon Jan 13, 2014 8:37 pm    Post subject: Reply with quote

Nice catch Chiitoo! I usually look at software before hardware, but clearly this is a hardware problem.

Is your RAM still under warranty? If so you can probably RMA it.
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vlynd
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PostPosted: Mon Jan 13, 2014 10:06 pm    Post subject: Reply with quote

Really looks like a hardware problem (RAM). I booted Windows and it first behaved strange, then showed me a blue screen.

Unfortunately my RAM is almost 3 years old, so I probably have to buy new ones.
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Chiitoo
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PostPosted: Mon Jan 13, 2014 10:32 pm    Post subject: Reply with quote

RazielFMX wrote:
Nice catch Chiitoo! I usually look at software before hardware, but clearly this is a hardware problem.

Personal experiences from the past have been only too similar to what was described here, and due to them, it's the first thing I think of usually when seeing the line segmentation fault uttered. ^^;

vlynd wrote:
Really looks like a hardware problem (RAM). I booted Windows and it first behaved strange, then showed me a blue screen.

Unfortunately my RAM is almost 3 years old, so I probably have to buy new ones.

I seem to remember many having a lifetime warranty, or at least a very long one (10 years for example). I'm sure exceptions exist.

I might also venture trying the failing stick of memory in another port of the motherboard to see if they would disappear, although that might be unlikely. I don't think I ever noticed a difference doing that (as in, suspecting the motherboard itself instead of the stick of RAM).
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vlynd
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PostPosted: Wed Jan 15, 2014 1:11 pm    Post subject: Reply with quote

I can confirm that the problem was a defect RAM stick. Took of the broken one and now I can compile as much as I like :-)

Thanks all!
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