From: Hal F. <hal...@gm...> - 2009-07-30 06:39:32
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Thanks for the reply, Shane. VT-d is enabled in the BIOS; in fact, the BIOS automatically enables VT-d when TXT is enabled. I don't know of anything I would do in any grub configuration file to enable VT-d for tboot and SINIT. Do you have any suggestions? Hal On Wed, Jul 29, 2009 at 10:04 PM, Shane Wang<sha...@in...> wrote: > Hi Hal > > The error code means VTd is disabled. > Is your VT-d enabled in your new BIOS and grub.conf? > > Thanks. > Shane > > Hal Finney wrote: >> >> I haven't run tboot in a while, but I'm trying it on my HP dc7800 and >> finding it hangs in GETSEC[SENTER]. This is even true with old >> versions of tboot that used to work. My system has no USB ports >> plugged in, and no hardware changes. >> >> The one change is I recently updated my BIOS. I suspect this has to be >> the cause. One nice thing about the new BIOS is that the tboot hang >> actually reboots the machine with the ERRORCODE register intact. Its >> value is c00020a1. This is progress code 0ah, error code 1000, >> meaning: "device scope of VT-d DMAR ACPI table is invalid". Not clear >> what this means. >> >> My log is attached, including the hang and the relaunch of tboot. This >> is version 20090330 of tboot. Thanks very much - >> >> Hal Finney > > |