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Old 10-08-07, 04:03 PM   #83
Christoph Anton Mitterer
Join Date: Dec 2006
Location: München, Germany
Posts: 48
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Default Re: nForce 4 corrupting data written to HDD

Sorry, I didn't see your messages:

Originally Posted by mdmbkr
Is there any way to reproduce the iommu bug without using the disk?
None that I'd know.

Originally Posted by mdmbkr
Others have mentioned the issue might affect heavy network traffic, but would that corruption make it all the way to the user, or would intermediate drivers notice and retry?
Well I'm definitely not an expert in device drivers and so, but I'd think that network drivers wouldn't notice such errors.

Originally Posted by mdmbkr
The iommu=soft workaround fixed one of my machines, but the other uses software raid1 for its root (and only) filesystem. I have reason to suspect the ongoing issues are related to that, so I'd like to isolate the disk from the testing process to see if the system is also affected by the iommu issue. If I have to, I can install another drive in that computer.
Well the iommu error was fixed in recent kernel versions (I think with 2.6.21).
Perhaps you suffer from the other problem reported by krader?
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