Re: data corruption with nvidia chipsets and IDE/SATA drives // memory hole mapping related bug?!

[Christoph Anton Mitterer <calestyo@scientia.net>]

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Hi folks.

1) Are there any new developments in this issue? Does someone know if
AMD and Nvidia is still investigating?

2) Steve Langasek from Debian sent me a patch that disables the hw-iommu
per default on Nvidia boards.
I've attached it in the kernel bugzilla and asked for inclusion in the
kernel (until we find a real solution).
I'd be pleased if all of you (who experienced the data corruption) could
test this patch.
Note: This patch is NOT a real solution for the issue, it just applies
our workaround (iommu=soft) per default

Bugreport at kernel.org: http://bugzilla.kernel.org/show_bug.cgi?id=7768
Bugreport at Debian: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=404148

Best wishes,
Chris.

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