OT probably, help please

[James Linder]

> On 22 Jan 2015, at 4:00 am, macports-users-request at lists.macosforge.org wrote:
> 
>> 
>> change mail from one entry to another: wheel turns for 10-20 seconds then all is normal including change topic (repeat previous selection).
>> firefox:youtube watch a clip, midway stops playing and wheel turns for 5-10 seconds before resuming
>> 
>> Thinking this may be a DNS issue I ran wireshark. wiresharks stops while wheel is turning!
>> 
>> system-monitor shows no (just got the wheel for 5 secs, no response to usb-keyboard nothing interesting on system-monitor) sys-monitor (pause again!) ticks every 5 secs even during wheel turning.
>> 
> 
> What do you see in the system.log when (or after...) one of those "wheelies"? Do you have power napping and what have you active?
> 
> Did you use a 10.10 public beta and upgrade to the release version without doing a clean install?
> 
> I *hate* the app nap and sudden termination features that were introduced in 10.9 (it appears they actually experimented with app nap based on SIGSTOP/SIGCONT ...), and am not really glad with the memory compression features either. There's a defaults command to turn off app nap which I'd advise for anyone rarely if ever running off a battery, but I have no idea about tweaking that memory compression thing. And that's almost certainly bound to slow down operation in a more continuous fashion than traditional swap.


I cannot explain why a (normally) rational, sane thinking idiot did not make that his first port of call (beatifully synced)

Jan 21 00:04:34 haycorn kernel[0]: disk0s2: I/O error.

Thanks everybody, and sorry for being an idiot
James