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Problem with Sophos Rescue disk scan freezing after update of engine to 3.75

AV Chris

I've created a Sophos Rescue disk (SBAV) to run a scan on a standalone (non networked) laptop and the scan freezes after a while. 

I've tried it on two different laptops with the same result - the time taken to freeze varies between PCs but on individual laptops it always freezes at roughly the same time. 

After booting from the disk, the scan progresses normally, showing filenames as it scans, then freezes showing a message where the name of the file being scanned would normally be in the format:

PHYSICAL:0000:0000:0000:0000 (that's the format - I've not made a note of the actual numbers).

I started a scan yesterday evening and left it running, in the morning it was stuck at that point. 

Previous versions running the 3.74 engine work fine.

I've run chkdsk with no errors reported and also run a defrag on the first PC this happened on (it's an oldish XP machine). I've subsequently run the scan on a newer Dell Laptop running Windows 7, with the same result.

Any ideas?

Chris



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  • 0
    Apparently the scanning freezes when the boot sectors are being scanned. Use the following work-a-round to scan all files but NOT the boot sectors: - Run the virus scan - Note the time when the scan get stuck - Do the scan again and just stop the scan with "Ctrl-c" just BEFORE the time noted above is reached. - A log file will as normal be written but without the boot-sector-scan and with the remark "Scan terminated by the user" Hopefully this bug will be fixed!
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  • 0
    Apparently the scanning freezes when the boot sectors are being scanned. Use the following work-a-round to scan all files but NOT the boot sectors: - Run the virus scan - Note the time when the scan get stuck - Do the scan again and just stop the scan with "Ctrl-c" just BEFORE the time noted above is reached. - A log file will as normal be written but without the boot-sector-scan and with the remark "Scan terminated by the user" Hopefully this bug will be fixed!
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  • 0 in reply to mic moel

    Hello,

    Thank you for reporting this, we are investigating to see what the cause of this is. 

    Are you able to confirm if it freezes at the same point each time? and is that the same on different machines?

  • 0 in reply to PeterM

    On individual machines it always freezes at the same point. 

    It's different on different machines. 

    On some PCs it doesn't freeze at all and we don't see the issue

    We have raised a support ticket for this and it is being investigated by GES - Ticket is CPISSUE 6260 Case #8569339

  • 0 in reply to PeterM
    YES: it freezes at the same point each time //// Times before freezing on 2 different PCs with almost the same HW/SW: PC1 about 39 sec. and PC2 about 40 sec./// For both PCs older versions of the bootable antivirus has been successfully used for more than 2 years/// Both PCs have windows7 embedded installed.
  • 0 in reply to PeterM

    Hello PeterM,

    seems to be the same point on a machine. Hard to say whether it's the "same" on different machines but it seems that at this point more or less all files have been scanned.

    Scanned an older laptop with a 320GB disk, weird configuration, one Linux partition, one Windows, a GRUB partition, a small boot partition - Windows Bootmanager partition with GRUB "overlaid".  Scan ran more than two hours, finally it complained that Windows was in hibernation and it won't mount the boot NTFS partition. Then terminated otherwise normally. No error.

    @Mic: Seconds? No, you've said minutes in a previous post.

    Christian

  • 0 in reply to QC
    Sorry -you are right ;-) 39 and 40 minutes
  • 0 in reply to QC

    Hello PeterM,

    ran it a vanilla Ubuntu laptop, SBAV scanned (as expected) only the boot sectors and completed normally.

    Christian

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