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System hangs during on-access scanning of encrypted disk images

roderickvd

When accessing data on an encrypted disk image, my system hangs after some time. All I/O operations are stalled and the entire UI becomes unresponsive. The system cannot be recovered except by using a hard reset.

I have worked around the problem by excluding my encrypted volume from on-access scanning. Hopefully a future version of Sophos Anti-Virus for Mac OS X will correct this issue.

Mid 2010 MacBook Pro with 8 GB RAM

Mac OS X Lion 10.7.2

Sophos Anti-Virus 7.3.6C

:1004661


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    Here's an idea for circumstances when you cannot afford to have Sophos hang the Mac because of a Time Machine file - - set up a Custom scan with special scan parameters to scan ONLY the Time Machine, in a Custom scan - calling it "Time Machine Scan." Next, open the On-access scanning tab in the circle-i (Scan Local Drives) box, and exclude the Time Machine from the regular, scheduled scans, from the Local Full scan, too. Am hoping that Exclusion in this On-access tab will also exclude Time Machine files from the Scan Local Drives as well, and thus I can avoid these problems with Time Machine files, and also save a lot of time in the Local Scan, and I can select Time Machine Scan as often as I desire, and have a relatively shorter scan time requirement for one or the other, than for a combined scan of EVERYTHING. And I can avoid hanging the system on Time Machine's scan issues, thereby keeping the Mac "up and running" for current high-pressure, high-priority business. I reserve checking the Time Machine for an epoch when some downtime will not hurt us too much. What can you say? will the On-access tab's exclusion of Time Machine be carried over to the Full scans? I am not sure, yet.
    :1005471
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  • 0
    Here's an idea for circumstances when you cannot afford to have Sophos hang the Mac because of a Time Machine file - - set up a Custom scan with special scan parameters to scan ONLY the Time Machine, in a Custom scan - calling it "Time Machine Scan." Next, open the On-access scanning tab in the circle-i (Scan Local Drives) box, and exclude the Time Machine from the regular, scheduled scans, from the Local Full scan, too. Am hoping that Exclusion in this On-access tab will also exclude Time Machine files from the Scan Local Drives as well, and thus I can avoid these problems with Time Machine files, and also save a lot of time in the Local Scan, and I can select Time Machine Scan as often as I desire, and have a relatively shorter scan time requirement for one or the other, than for a combined scan of EVERYTHING. And I can avoid hanging the system on Time Machine's scan issues, thereby keeping the Mac "up and running" for current high-pressure, high-priority business. I reserve checking the Time Machine for an epoch when some downtime will not hurt us too much. What can you say? will the On-access tab's exclusion of Time Machine be carried over to the Full scans? I am not sure, yet.
    :1005471
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