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problems scanning USB drive/large folders - Mac OS X 10.6.x with iWork, iLife, multiple partitions

grahamperrin1

Fuller subject:

Sophos Anti-Virus Home Edition stops responding, total system lock-up and other misbehaviour when scanning USB drive, or a folder, greater than 600 MB, on updated Mac OS X 10.6 or 10.6.3 with iWork, iLife and multiple partitions

busterb wrote:

…neither BootCamp nor Parallels Desktop / VMWare Fusion have never been anywhere near …

This is a brand new install of Mac OS 10.6, iWork and iLife only (yes, no third party anything installed) on a freshly formatted drive with two partitions. My system locks up, stop scanning, and otherwise misbehaves when I scan a large folder (by size) or entire external drive hooked up via USB. If I keep it to less than 600 MB, all is well. It seems if I go beyond that, the system locks up, and Sophos will not respond. …

busterb wrote:

… doesn't work on a brand-new install of OS X on a just-formatted drive with no third-party software installed …

… my experience has been the 'free' version is buggy … 

 busterb wrote:

… my personal experience on my Macs is one of total system lock-up when scanning anything over 600 MB. Mind you one of those Macs was a freshly formatted drive, new install of Mac OS 10.6.3 and updated, only Apple software on the drive, nothing third-party save for Sophos Home. …

:1000615


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  • 0
    grahamperrin wrote:

    Go ahead with that test should be good if you have the opportunity and don't mind the time. Keep it very, very plain without iLife, iWork etc., minimal peripherals and a single partition. 

    (snip)

    Back to SAV: go for the cleanest minimalist installation then try the command-line approach to (hopefully) catch a point at which things stop responding. 

    Oh, bloody hell - you aren't going to believe this. I cannot - REPEAT - cannot get Sophos to lock up now. 

    RECAP :

    Zeroed out the drive.

    Formatted single partition.

    Installed 10.6.3 from DVD media. Custom install, bare-bones system only. No printer drivers, no Rosetta, nothing but the basic OS. 

    Upgraded 10.6.3 to 10.6.5 via Software Update. Refused all other updates. 

    Restarted computer. Hooked up external 500 GB drive. 

    Initiated manual scan via the GUI, 101.6 GB folder on the external drive. 

    Sophos will not slow down the computer. In fact, it ripped through the scan in under 30 seconds. This is the blazing fast, rock-solid Sophos I am used to. 

    Take-away lesson : Either something was introduced in 10.6.5, or something was removed that was in 10.6.3 and that something was causing the problems. I will update my other Macs via Software Update and see if I can replicate the (now) non-issue. The proof should solidly be in that custard. 

    In the meantime, I am going to take this Mac back to it's original configuration (two partitions, iLife '11 and iWork '09) update the whole kit, and see if I have the same results. God willing, the demons will be gone and I will go back to having the pleasure of having Sophos protect my Macs. Just as God intended, he added parenthetically . :-)

    :1000799
Reply
  • 0
    grahamperrin wrote:

    Go ahead with that test should be good if you have the opportunity and don't mind the time. Keep it very, very plain without iLife, iWork etc., minimal peripherals and a single partition. 

    (snip)

    Back to SAV: go for the cleanest minimalist installation then try the command-line approach to (hopefully) catch a point at which things stop responding. 

    Oh, bloody hell - you aren't going to believe this. I cannot - REPEAT - cannot get Sophos to lock up now. 

    RECAP :

    Zeroed out the drive.

    Formatted single partition.

    Installed 10.6.3 from DVD media. Custom install, bare-bones system only. No printer drivers, no Rosetta, nothing but the basic OS. 

    Upgraded 10.6.3 to 10.6.5 via Software Update. Refused all other updates. 

    Restarted computer. Hooked up external 500 GB drive. 

    Initiated manual scan via the GUI, 101.6 GB folder on the external drive. 

    Sophos will not slow down the computer. In fact, it ripped through the scan in under 30 seconds. This is the blazing fast, rock-solid Sophos I am used to. 

    Take-away lesson : Either something was introduced in 10.6.5, or something was removed that was in 10.6.3 and that something was causing the problems. I will update my other Macs via Software Update and see if I can replicate the (now) non-issue. The proof should solidly be in that custard. 

    In the meantime, I am going to take this Mac back to it's original configuration (two partitions, iLife '11 and iWork '09) update the whole kit, and see if I have the same results. God willing, the demons will be gone and I will go back to having the pleasure of having Sophos protect my Macs. Just as God intended, he added parenthetically . :-)

    :1000799
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