Sleep problems with a MacBookPro6,2 with OSX 10.6.7

Question

Hi everybody,
I'm yet another pal with sleep problems on my MacBookPro6,2 (Core i5 mid 2010).
After a few hours of activity it refuses to sleep. It just wakes instantly, with the same info on the kernel.log as
many other are seeing on theirs:
==> /var/log/kernel.log <==
May 23 23:55:31 tungsten kernel[0]: hibernate image path: /var/vm/sleepimage
May 23 23:55:31 tungsten kernel[0]: sizeof(IOHibernateImageHeader) == 512
May 23 23:55:31 tungsten kernel[0]: Opened file /var/vm/sleepimage, size 4294967296, partition base 0x28d7b00000, maxio 400000 ssd 0
May 23 23:55:31 tungsten kernel[0]: hibernate image major 14, minor 6, blocksize 512, pollers 5
May 23 23:55:31 tungsten kernel[0]: hibernate_alloc_pages flags 00000000, gobbling 0 pages
May 23 23:55:31 tungsten kernel[0]: hibernate_setup(0) took 0 ms
May 23 23:55:32 tungsten kernel[0]: AirPort: Link Down on en1. Reason 8 (Disassociated because station leaving).
May 23 23:55:32 tungsten kernel[0]: System SafeSleep
May 23 23:55:33 tungsten kernel[0]: hibernate_page_list_setall start 0xffffff804824f000, 0xffffff8048308000
May 23 23:55:33 tungsten kernel[0]: hibernate_page_list_setall time: 299 ms
May 23 23:55:33 tungsten kernel[0]: pages 764178, wire 168228, act 287741, inact 9745, spec 85, zf 892, throt 0, could discard act 101646 inact 111508 purgeable 5643 spec 78690
May 23 23:55:33 tungsten kernel[0]: hibernate_page_list_setall found pageCount 466691
May 23 23:55:33 tungsten kernel[0]: IOHibernatePollerOpen, ml_get_interrupts_enabled 0
May 23 23:55:33 tungsten kernel[0]: IOHibernatePollerOpen(0)
May 23 23:55:33 tungsten kernel[0]: IOPolledInterface::checkForWork[5] 0xe00002eb
May 23 23:55:33 tungsten kernel[0]: PMStats: Hibernate write took 1 ms
May 23 23:55:33 tungsten kernel[0]: all time: 1 ms, comp time: 0 ms, deco time: 0 ms,
May 23 23:55:33 tungsten kernel[0]: image 0, uncompressed 0 (0), compressed 0 (0%), sum1 9ef0ab4b, sum2 0
May 23 23:55:33 tungsten kernel[0]: wired_pages_encrypted 0, wired_pages_clear 0, dirty_pages_encrypted 0
May 23 23:55:33 tungsten kernel[0]: hibernate_write_image done(e00002eb)
May 23 23:55:33 tungsten kernel[0]: sleep
May 23 23:55:36 tungsten kernel[0]: Wake reason = EHC1
May 23 23:55:36 tungsten kernel[0]: System Wake
May 23 23:55:36 tungsten kernel[0]: Previous Sleep Cause: 5
May 23 23:55:36 tungsten kernel[0]: The USB device HubDevice (Port 1 of Hub at 0xfd000000) may have caused a wake by issuing a remote wakeup (2)
I have nothing plugged in my MacBookPro, other than the power cord.
I have tried all the tips I've seen, like resetting the PRAM and the SMC.
I even did a reinstall of the entire OS X (SnowLeopard 10.6.7) although I did recover all my apps and settings from TimeMachine.
It is really annoying and I am beginning to think there is some issue in the USB code within OSX's kernel.
The only thing I can think of I have not tried is not running Firefox, which is always open.
But I don't see how that might interfere with the usb hub on the motherboard issuing a wakeup.
I don't remember ever having this issue on my first generation MacBookPro.
All the info I've found is minimum a few months old, going back to a few years for problems with external hubs.
Does anyone know anything else to try? Is this the best way to make Apple know about the issue?

Answer 1

Solution found for me. From Adobe Acrobat & Reader 9.1 Release Notes:
Roaming Profiles on Windows and Networked Home Directory on Macintosh
are not supported configurations for 9.0 or 9.1, however we have made
several fixes in 9.1. We are looking at the possibility of supporting
this for the next major release.
As I am working with roaming profiles, my current solution (which is no solution at all) is to wipe current and reinstall Acrobat/Reader 8. Among other things there are supposed console hacks to make the purchased Adobe software run at all in a group work environment. I will end up trying them later.
Some good reads are :
http://forums.adobe.com/thread/300660
http://forums.macrumors.com/showthread.php?t=198512
http://forums.adobe.com/thread/391738?start=150&tstart=0
http://serverfault.com/questions/37805/adobe-reader-wont-launch-when-logged-into-network-u ser-accounts-open-directory