It?s likely something broken in AT&T?s implementation - I have a G5 (10.5.8) with
Comcast and native dual stack which works just fine.
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On Mar 26, 2016, at 3:19 PM, Jerry Kemp <other at
Just curious if something specifically is broken or non-fixable with the 10.6.8 IPv6
I'm specifically wondering if you did any troubleshooting to resolve this? Or if
just disabling IPv6 was the quick'n'dirty answer?
I'm excited for IPv6, but many of my Apple devices I have held back at 10.6 as the
number of features that Apple took away seem to increase exponentially after 10.6.x.
On 03/26/16 11:31 AM, Tapley, Mark wrote:
> (Apologies in advance to non-Apple users)
> Mac folks,
> Last week AT&T ?upgraded? our Uverse service. All of our Macs running anything
10.6.8 or older quit working.
> Cure was to turn off IPv6: System Preferences -> Network -> Advanced ->
TCP/IP -> iPv6 to ?Off? instead of ?Automatic?.
> Symptoms were *very* widespread, and matched reasonably well to failing hard drive
or failing memory - system freeze, spinning beach-ball forever, can?t read directory, etc.
etc. etc. On the G3, I rebooted in single-user mode and actually got part way through the
output of ?ps -aux? in one case before freezing. However it did respond to Ctl-C and would
then do a ?ps -a? no problem, just no ?ps -aux?. We were a bit silly, didn?t read our
Uverse email, and didn?t test other systems before hooking more old systems into the
network - which then didn?t work. We were panicing about viruses, pulling hair out,
sacrificing goats ...
> Systems affected were :
> iMac G3 Mac OS X 10.4.11 - ethernet
> PowerBook G4 Mac OS X 10.4.11 - wi-fi
> iMac 2011 intel Mac OS X 10.6.8 - wi-fi
> Apologies if this is a known bug, but it really puzzled us for a while because the
effects were so systemic; I hope I can prevent anybody else from getting a nice new
(needless) hard drive like the 2011 iMac did?
> - Mark
> 210-522-6025 office 210-379-4635 cell