1 2 3 4 Previous Next 46 Replies Latest reply: Feb 1, 2010 7:11 AM by Saxlix Go to original post
  • 30. Re: G5 1.6 freezes with certain applications
    BDAqua Level 10 Level 10 (116,470 points)
    Not that it is for sure RAM, just that that appears to be a strong suspect at this point.

    About the only way is to test with fewer RAM sticks installed, different slots, or some known good RAM.
  • 31. Re: G5 1.6 freezes with certain applications
    Saxlix Level 1 Level 1 (0 points)
    Wow - Kingston RAM? Made specifically for this computer? I bought high-end memory to avoid such issues.

    Memtest outed the problems with the two 512's (KingMax), so I got rid of them. What's funny is this: now the KingMax memory is gone, my freeze-ups actually seem to happen quicker with only 2 GB of memory. I have considered buying another pair of 1 GB RAM modules to up my total to 4 GB, but I'm not sure I want to invest any more money in this machine.

    I would love to try other "proven" RAM (as well as a proven graphics card), but it is difficult to find Mac users in Poland. G5 owners are quite rare here...
  • 32. Re: G5 1.6 freezes with certain applications
    BDAqua Level 10 Level 10 (116,470 points)
    Still could possibly be the RAM slots or Memory Controller, did you try just the 512s? Did you try different slots?

    Oh, and once you do have bad RAM, the OS can easily get hosed/muxed in one bootup.
  • 33. Re: G5 1.6 freezes with certain applications
    Saxlix Level 1 Level 1 (0 points)
    Yep - I originally had 4 512's and I tried all paired combinations in all of the slots. I also tried the Kingstons in all of the slots. I would like to try one Kingston at a time, but G5's require memory to be installed in pairs, right? So if I am right, trying just one is impossible...

    How can I go about testing the RAM slots or the memory controller? Is there software for such a test?

    Thanks for your attention to this - it's nice to receive some feedback!
  • 34. Re: G5 1.6 freezes with certain applications
    BDAqua Level 10 Level 10 (116,470 points)
    So if I am right, trying just one is impossible...


    Correct, not possible.

    How can I go about testing the RAM slots or the memory controller? Is there software for such a test?


    Not that I'm aware of. But Apple had it's oen G5 CD, forget what they called it, that did many more things.

    Oh, you might try Chud Tools from the Developer site, free sign up.

    Thanks for your attention to this - it's nice to receive some feedback!


    Great to hear, thanks...

  • 35. Re: G5 1.6 freezes with certain applications
    Saxlix Level 1 Level 1 (0 points)
    I'm afraid I am not a developer, so I likely wouldn't understand a thing about CHUD...

    Here's a thought - I read that a loose Bluetooth card or Airport card could cause kernel panics. My computer has neither card (here in Poland, they like to strip computers of all non-essentials before selling), so is it possible that removing these cards has somehow caused my problem? Is there some software I should shut down, or does OS X do that automatically if the card(s) are missing? Thanks again...
  • 36. Re: G5 1.6 freezes with certain applications
    BDAqua Level 10 Level 10 (116,470 points)
    so is it possible that removing these cards has somehow caused my problem?


    I don't think so, but I guess they might've possibly messed something elsewise up.

    does OS X do that automatically if the card(s) are missing?


    Yes.
  • 37. Re: G5 1.6 freezes with certain applications
    The hatter Level 9 Level 9 (58,880 points)
    It's a Mac, don't need to understand everything to use it

    CHUD makes it easy to disable one of the cpus to help rule it out. You had one panic that seemed to point in that direction.

    This system has never run stable since you got it though, has it?

    When you get a panic on boot, the thing I recommend doing, and to do anytime you change RAM configuration or make hardware changes: RESET-NVRAM in Open Firmware (zap pram/nvram at the least but G5s have flaky nvram and need a good "kick" sometimes).

    So even changing/removing a card is also a good time, insures that the hardware device tree list is current and accurate, something that doesn't happen automatically.
  • 38. Re: G5 1.6 freezes with certain applications
    Saxlix Level 1 Level 1 (0 points)
    I'm noticing another symptom: immediately after I have repaired Disk Permissions, I typically have several minutes of normal usage (with browsers and all other problematic apps) before the freezing thing starts up again. Does this point to anything in particular???
  • 39. Re: G5 1.6 freezes with certain applications
    The hatter Level 9 Level 9 (58,880 points)
    Clone your system with SuperDuper.
    Repair the clone with Disk Warrior and repair permissions.
    Then boot from the clone you made.

    For all we know you have corrupt pref/plist and/or cache files and folders or font issues.
  • 40. Re: G5 1.6 freezes with certain applications
    Saxlix Level 1 Level 1 (0 points)
    Unfortunately, I no longer have an external Firewire HD - only a USB 2 HD (and I've tried booting from it with no luck).

    Having said that, I have booted several times from my PowerBook (posing as a Firewire drive). Each time, the PowerMac froze within minutes. This tells me it must be a hardware issue - do you agree?
  • 41. Re: G5 1.6 freezes with certain applications
    The hatter Level 9 Level 9 (58,880 points)
    Pull the drive out of its USB prison and get a FW case / drive.
    http://www.macsales.com/firewire/
    http://eshop.macsales.com/item/Western%20Digital/WD6400AAKS/

    Don't leave home without Disk Warrior.
  • 42. Re: G5 1.6 freezes with certain applications
    Saxlix Level 1 Level 1 (0 points)
    Alright - I finally found another used G5 1.6 which works perfectly. I swapped both the memory and the video card from the functional machine to the problem machine - however, the freezing issue still exists. So I have narrowed the problem down.

    That leaves me with the motherboard, the hard drive, or the processor as the likely culprit. The HD will be no trouble to swap, but is it problematic to exchange processors? Swapping the motherboard sounds like a herculean task, but I have no experience - perhaps some of you do. Any help would be greatly appreciated - thanks!
  • 43. Re: G5 1.6 freezes with certain applications
    Saxlix Level 1 Level 1 (0 points)
    I do not have a current crash report for this problem, but repairing permissions fixes the problem for 5-10 minutes. Here is what permission are fixed - any clues?

    Repairing permissions for “HD”
    Determining correct file permissions.
    Permissions differ on ./Library/Application Support/Macromedia/Shockwave 10/Shockwave.bundle/Contents/PkgInfo, should be -rwxrwxr-x , they are -rw-rw-r--
    Owner and group corrected on ./Library/Application Support/Macromedia/Shockwave 10/Shockwave.bundle/Contents/PkgInfo
    Permissions corrected on ./Library/Application Support/Macromedia/Shockwave 10/Shockwave.bundle/Contents/PkgInfo
    Permissions differ on ./System/Library/CoreServices/Dock.app/Contents/Resources/Widgets.wdgt/Images/D ialog/button_center.png, should be -rwxr-xr-x , they are -rw-r--r--
    Owner and group corrected on ./System/Library/CoreServices/Dock.app/Contents/Resources/Widgets.wdgt/Images/D ialog/button_center.png
    Permissions corrected on ./System/Library/CoreServices/Dock.app/Contents/Resources/Widgets.wdgt/Images/D ialog/button_center.png
    Permissions differ on ./System/Library/CoreServices/Dock.app/Contents/Resources/Widgets.wdgt/Images/D ialog/buttoncenterpressed.png, should be -rwxr-xr-x , they are -rw-r--r--
    Owner and group corrected on ./System/Library/CoreServices/Dock.app/Contents/Resources/Widgets.wdgt/Images/D ialog/buttoncenterpressed.png
    Permissions corrected on ./System/Library/CoreServices/Dock.app/Contents/Resources/Widgets.wdgt/Images/D ialog/buttoncenterpressed.png
    Permissions differ on ./System/Library/CoreServices/Dock.app/Contents/Resources/Widgets.wdgt/Images/D ialog/button_left.png, should be -rwxr-xr-x , they are -rw-r--r--
    Owner and group corrected on ./System/Library/CoreServices/Dock.app/Contents/Resources/Widgets.wdgt/Images/D ialog/button_left.png
    Permissions corrected on ./System/Library/CoreServices/Dock.app/Contents/Resources/Widgets.wdgt/Images/D ialog/button_left.png
    Permissions differ on ./System/Library/CoreServices/Dock.app/Contents/Resources/Widgets.wdgt/Images/D ialog/buttonleftpressed.png, should be -rwxr-xr-x , they are -rw-r--r--
    Owner and group corrected on ./System/Library/CoreServices/Dock.app/Contents/Resources/Widgets.wdgt/Images/D ialog/buttonleftpressed.png
    Permissions corrected on ./System/Library/CoreServices/Dock.app/Contents/Resources/Widgets.wdgt/Images/D ialog/buttonleftpressed.png
    Permissions differ on ./System/Library/CoreServices/Dock.app/Contents/Resources/Widgets.wdgt/Images/D ialog/button_right.png, should be -rwxr-xr-x , they are -rw-r--r--
    Owner and group corrected on ./System/Library/CoreServices/Dock.app/Contents/Resources/Widgets.wdgt/Images/D ialog/button_right.png
    Permissions corrected on ./System/Library/CoreServices/Dock.app/Contents/Resources/Widgets.wdgt/Images/D ialog/button_right.png
    Permissions differ on ./System/Library/CoreServices/Dock.app/Contents/Resources/Widgets.wdgt/Images/D ialog/buttonrightpressed.png, should be -rwxr-xr-x , they are -rw-r--r--
    Owner and group corrected on ./System/Library/CoreServices/Dock.app/Contents/Resources/Widgets.wdgt/Images/D ialog/buttonrightpressed.png
    Permissions corrected on ./System/Library/CoreServices/Dock.app/Contents/Resources/Widgets.wdgt/Images/D ialog/buttonrightpressed.png
    Permissions differ on ./System/Library/CoreServices/Dock.app/Contents/Resources/Widgets.wdgt/Images/s crollbarbottom.png, should be -rwxr-xr-x , they are -rw-r--r--
    Owner and group corrected on ./System/Library/CoreServices/Dock.app/Contents/Resources/Widgets.wdgt/Images/s crollbarbottom.png
    Permissions corrected on ./System/Library/CoreServices/Dock.app/Contents/Resources/Widgets.wdgt/Images/s crollbarbottom.png
    Permissions differ on ./System/Library/CoreServices/Dock.app/Contents/Resources/Widgets.wdgt/Images/s crollbarmid.png, should be -rwxr-xr-x , they are -rw-r--r--
    Owner and group corrected on ./System/Library/CoreServices/Dock.app/Contents/Resources/Widgets.wdgt/Images/s crollbarmid.png
    Permissions corrected on ./System/Library/CoreServices/Dock.app/Contents/Resources/Widgets.wdgt/Images/s crollbarmid.png
    Permissions differ on ./System/Library/CoreServices/Dock.app/Contents/Resources/Widgets.wdgt/Images/s crollbartop.png, should be -rwxr-xr-x , they are -rw-r--r--
    Owner and group corrected on ./System/Library/CoreServices/Dock.app/Contents/Resources/Widgets.wdgt/Images/s crollbartop.png
    Permissions corrected on ./System/Library/CoreServices/Dock.app/Contents/Resources/Widgets.wdgt/Images/s crollbartop.png
    Group differs on ./private/etc/authorization, should be 80, group is 0
    Owner and group corrected on ./private/etc/authorization
    Permissions corrected on ./private/etc/authorization

    Permissions repair complete
    The privileges have been verified or repaired on the selected volume
  • 44. Re: G5 1.6 freezes with certain applications
    BDAqua Level 10 Level 10 (116,470 points)
    One way to test is to Safe Boot from the HD, (holding Shift key down at bootup), run Disk Utility in Applications>Utilities, then highlight your drive, click on Repair Permissions, Test for action in Safe Mode, like if it still changes in 5-10 minutes...

    PS. Safe boot may stay on the gray radian for a long time, let it go, it's trying to repair the Hard Drive

    Reboot, test again.

    If it only does it in Regular Boot, then it is some 3rd party add-on, Check System Preferences>Accounts>Login Items window to see if it or something relevant is listed.

    Check the System Preferences>Other Row, for 3rd party Pref Panes.

    Also look in these if they exist, some are invisible...

    /private/var/run/StartupItems
    /Library/StartupItems
    /System/Library/StartupItems
    /System/Library/LaunchDaemons
    /Library/LaunchDaemons