segmentation fault everywhere

Scott J. Henson scotth at
Fri Nov 10 04:44:00 UTC 2006

Eric Lemoine wrote:
> Hello
> I have a very very bad problem on my ibook running Kubuntu Dapper Drake.
> Right after KDE starts a window pops up, indicating that the
> application Adept Notifier received a SIGSEGV. Then, any apt- command
> segfaults!!

Sounds like ram.  Unfortunately you have an ibook so
memtest86 isn't available.  But, I believe apple ships a
diagnostic cd that you can boot off of.  Then run the
extended test.  That may not show the problem as its not as
rigorous as memtest.  If it doesn't you probably have 2
sticks of ram.  The fact that your getting segfaults with
such low ram usage says to me its the first stick.  The bad
news is that usually the fist stick is soldered onto the
board.  You may try removing the second stick and see if the
problem continues.  You may get lucky and its that stick and
you can easily replace it.

If problems consist, try a livecd and see if it suffers the
same problem.  I'm pretty sure it will, but might as well
rule out the install as a last resort before calling up
apple care (I hope you still have apple care).  And I
wouldn't worry about apple care not liking Ubuntu, they are
pretty indifferent to it, but do take backups before you
send your computer off.  My ibook can boot as a usb hard
disk so that probably the best way to get backups.  I hope
things work out.

Scott Henson
LCSEE Systems Staff
WVU MAE Undergraduate
Ubuntu User

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