Possible conflict with Iomega REV (Win XP, SP2)

Hello,

I have recently installed an Iomega REV (external Firewire) drive on a PC running Windows XP SP2, with Avast! Home 4.5.549. It seems there is some conflict between Avast! and the REV drive and I would like to know whether anyone else has experienced this problem and knows of a solution or work-around.

The problem is quite repeatable when Avast! on-access protection is enabled: if I use Windows Explorer to copy and paste files or directories onto the REV drive, the system instantly re-boots without doing the copy/paste - there is no error message or blue screen whatsoever, it just drops immediately back to the BIOS as if by a hardware reset.

The problem does not occur if I copy/paste to any other drive, or if I copy files using the command prompt, or if Avast! on-access protection is disabled (using the “Stop On-Access Protection” command from the Avast! system tray icon). Also, it seems that once I have copied one or more files to the REV using the command prompt, copy-and-paste to the REV drive then works correctly!

I am using up-to-date drivers for the REV, which apart from this nuisance seems to work fine. I have no other third-party disc or file system related drivers installed, such as for writing CDs/DVDs.

Any solutions, work-arounds or suggestions as to how to debug this problem would be greatly appreciated.

Thanks!

Disable auto-reboot on your system and you should get a BSOD when something really goes wrong. Write down the error on the BSOD and let us know.

Thanks for the tip, Eddy. The blue screen has some generic messages but the only specific details are:

*** STOP: 0x0000008E (0xC0000005, 0x804E19EA, 0xF0CBEA04, 0x00000000)

I also checked the system event log, which has an Error event with the following details:

Source: System Error
Category: (102)
Type: Error
EventID: 1003
Error code: 1000008e
Parameters: 0xc0000005, 0x804e19ea, 0xf0cbea04, 0x00000000

I hope this is useful…

Can you follow this?

0x0000008E: KERNEL_MODE_EXCEPTION_NOT_HANDLED
(http://msdn.microsoft.com/library/en-us/ddtools/hh/ddtools/BCCodes_12795dee-19a9-4461-a135-bbb882b81455.xml.asp)
A kernel mode program generated an exception which the error handler didn’t catch. These are nearly always hardware compability issues (which sometimes means a driver issue or a need for a BIOS upgrade).

“STOP 0x0000008e” Error Message During Windows XP Setup
http://support.microsoft.com/?kbid=315335&sd=RMVP

Games: “Stop” Error Message That References Nv4_disp.dll
http://support.microsoft.com/?kbid=325730&sd=RMVP

Your Computer Stops Responding When You Use the Highlighter Feature & the Font Color Feature
http://support.microsoft.com/?kbid=829578&sd=RMVP

Thanks, Technical - you beat me to posting the MSDN link…

It seems to say that the problem is down to an invalid memory access at address 0x804e19ea, but I don’t know how to track it down further. If it is a memory access fault it could be hard to find the original source of the problem anyway.

During the BSOD, a dump should be created (WinNT/Minidump).
It should contain some useful information…

There are some freeware to test memory (maybe ‘Links’ on my signature can give you a help). Anyway, Google is on its way 8)

Hello igor - yes, there is a Minidump. I’ll try to find some way of analysing it, and will post whatever I can dig out.

Technical - the system memory has been tested using Memtest86 and is working fine. The system is completely stable (famous last words!) except for the exact scenario I described.

The best way of analysing the minidump would be sending it to vlk@avast.com :slight_smile:

Igor - thanks for the suggestion - done!

??? Has there been any resolution to this issue?

I am having the same problems but with WinXP x64 Edition build 1289 and Iomega’s REV drive. All works fine til I install Avast. Uninstallation corrects the issue. Other zip drives were o.k.(atapi 250 and atapi 750) Only did the Win install , SB Audigy drivers 010405, REV system software 3005 (drivers only, no software as yet) and then Avast home 4.5.

Well, there is some hope…

I just downloaded a new version (3.0.1) of the Iomega REV System Software from their support pages, and it looks like the problem has “gone away”. I will keep playing with it over the next few days and post again if I see any crashes.