On Saturday, November 29, 2003, at 10:25 AM, David R. wrote:
Well I guess the OSX install just went too well to be true. I'm not certain
what the problem is but I think it may be related to a corrupted Powerlogix
Control Panel I installed from Versiontracker. Things haven't been fine
since. :(
Anyway, I am having some System problems. Primarily, it often freezes
during bootup. When I Cold boot, I often (not always) have to force restart
at least 3 times. It either freezes during the spinning spoke process or
the spoke just spins forever. It's acting kind of like a Startup Extension
Conflict in the old OS. If I boot into 9.1 and then xpostfacto my way into
X, then it usually takes but not always and I will still have to force
restart. I also now have very occasional crashes while it's running in X
such as with some action I take like closing a window, but those aren't very
often.
I was able to uninstall the Powerlogix CP with Will's help. I reinstalled a
good one direct from Powerlogix but that didn't fix things so I deinstalled
it again and have the Sonnet X software running right now. Because it was a
corrupted Powerlogix Installer, I'm still wondering if there is something
broken running around my system that couldn't get removed?
It was never clear to me why you were so sure you installed a defective Powerlogix CP? If it installed and ran what made you think there was a problem? If the powerlogix folder was removed from: System/Library/Startup folder it can not run and is unlikely to cause issues. What settings were you using for the Powerlogix Control panel?
Backside cache setting: set too high can cause the problems your seeing
Write thru: on or off? On for CPU's 500 MHz and faster off other wise
Spec access: on or off? Off is the safest on our machines. On crashes in OS 9.x for me but seems fine in OSX and gives a bit of speed.
You can test by removing cache software and running without it. It should run fine but just slower unless there is another issue.
I have tried running DW. I have also run the Disk Permission and Repair
Utilities. While each fixed a few things, they didn't fix the problem,
whatever it be. I have also re-run the 10.2.8 installer.
Have your ran fsck ? The wonderful UNIX built in repair utility which often fixes things nothing else will? You start up in single user mode: hold down the apple and s keys at startup or reboot until you see text on the screen. You then can let go of the keys. Once the text stops running. You type in: fsck -y and hit return key don't forget the space between the k and -
It will then check the startup disk and make repairs if need be. If it says repairs or changes have been made run again until you get disk seems ok message. You then type in: logout which then boots normally.
Like always with UNIX there is more then one way to do these commands. You can safely ignore the commands listed on the screen and I find the above the simplest way of doing this. This often fixes things that can't otherwise be fixed.
Not sure this makes a diff but the X startup screen when using xpost is much
cleaner then from doing a cold start or reboot. Usually then the vertical
lines then are kinda scrambled.
Scrambled screen can mean your Video RAM on your Video card is being pushed too hard/ fast. You could test by de-interleaving your RAM which will slow things down a bit.
I am running an s900, G4 400 Sonnet card, plenty of ram and OS 10.2.8. I'm
also using a TwinTurbo and am wondering if there is an app I was supposed to
install for OSX as well? I am in X right now and is going fine but it would
probably be good to weed out what is causing the problems cause they will
probably propagate other issues if not.
I appreciate any ideas that can be offered. How does one rule out if there
is a Startup type Extension Conflict in X?
Thanks, Dave
Startup Extension Conflicts are mostly an OS 9 and older issue so this is old thinking ;-) It is very understandable since this is one of the main issues in older OS's. It is possible and likely that the cache software if set incorrectly could cause start up failure . However you would be able to see this by booting in Verbose mode (either by checking that box in XPFact or holding down the apple and v keys at startup.) Also running without cache software will check this issue.
Here's what I'd do. Stick with one cache software. I'd use the Powerlogix as it gives you some control but the Sonnet software should be ok if you don't mind the lack of any control over settings. Clearly many people don't want to be bothered or they wouldn't buy Sonnet to start with ;-)
Run Fsck
Run Disk Warrior
Then I'd run Norton's speed disk and defrag the drive. I have found that while it's true that OSX like all UNIX disk fragmentation isn't as big an issue as in non UINIX OS's installing your OS on a fragmented disk can cause issues with the install. Once it's working ok then fragmentation doesn't seem to be anything to worry about much.
Check for bad RAM chips OSX every OS upgrade seems to tighten up RAM specs. I had RAM issues when I went from a 350MHz CPU to a 500MHz CPU. Again when I went from OS 10.1.5 to 10.2 which required removing all older 8mb 70ns RAM which came with the machine 10.2.5 caused me to take my RAM for testing where I found that I'd been successfully interleaving FPM and EDO RAM chips but machine would no longer run doing this in 10.2.5 odd but true. Matching up the EDO and FPM RAM chips (which weren't labeled) fixed my machine which I'd thought needed a new motherboard or worse.
You will find the problem and it will likely turn out to be something small ;-)
best of luck Will S
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