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Does DBVM pass through IOMMU-related memory?

 
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lcineyes
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PostPosted: Sat Sep 20, 2025 3:29 am    Post subject: Does DBVM pass through IOMMU-related memory? Reply with quote
I booted DBVM from a USB drive, and everything worked normally until I opened a program that uses VT-d, after which the system froze. After enabling TSC protection, I encountered a CLOCK_WATCHDOUT_TIMEOUT blue screen error. I really can’t figure out why. Now I suspect that the IOMMU memory is not properly exposed to the system.
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Dark Byte
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PostPosted: Sat Sep 20, 2025 5:40 am    Post subject: Reply with quote
it's possible. There's only basic nested intel.vt support

what program do you use to i can reproduce ?
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