search for: f0101a

...the KVM how to assign devices page it provides a way to verify IOMMU support on Intel: ]# dmesg | grep -e DMAR -e IOMMU [ 0.000000] ACPI: DMAR 00000000d8d29460 000B0 (v01 HPQOEM SLIC-CPC 00000001 INTL 00000001) [ 0.023074] dmar: IOMMU 0: reg_base_addr fed90000 ver 1:0 cap c0000020e60262 ecap f0101a [ 0.023078] dmar: IOMMU 1: reg_base_addr fed91000 ver 1:0 cap c9008020660262 ecap f0105a [ 0.023151] IOAPIC id 2 under DRHD base 0xfed91000 IOMMU 1 Does this mean I do have VT-d/IOMMU support??? I attempted to follow the basic instructions to pass through my VGA card: ]$ lspci -nn | grep...

...rmal monitoring enabled (TM1) [ 0.013205] using mwait in idle threads. [ 0.013971] ACPI: Core revision 20120320 [ 0.028139] DMAR: Host address width 36 [ 0.028210] DMAR: DRHD base: 0x000000fed90000 flags: 0x0 [ 0.028290] IOMMU 0: reg_base_addr fed90000 ver 1:0 cap c0000020e60262 ecap f0101a [ 0.028382] DMAR: DRHD base: 0x000000fed91000 flags: 0x1 [ 0.028460] IOMMU 1: reg_base_addr fed91000 ver 1:0 cap c9008020660262 ecap f0105a [ 0.028550] DMAR: RMRR base: 0x000000d9ff0000 end: 0x000000da006fff [ 0.028624] DMAR: RMRR base: 0x000000db800000 end: 0x000000df9fffff [ 0.0292...

...es memory: 28K (ffffffff81ecb000 - ffffffff81ed2000) [ 0.051442] ftrace: allocating 27581 entries in 108 pages [ 0.065144] DMAR: Host address width 36 [ 0.065151] DMAR: DRHD base: 0x000000fed90000 flags: 0x0 [ 0.065194] DMAR: dmar0: reg_base_addr fed90000 ver 1:0 cap c0000020e60262 ecap f0101a [ 0.065203] DMAR: DRHD base: 0x000000fed91000 flags: 0x1 [ 0.065214] DMAR: dmar1: reg_base_addr fed91000 ver 1:0 cap c9008020660262 ecap f0105a [ 0.065222] DMAR: RMRR base: 0x0000008b800000 end: 0x0000008f9fffff [ 0.065229] DMAR-IR: IOAPIC id 0 under DRHD base 0xfed91000 IOMMU 1 [ 0...

...32K [ 0.062820] ftrace: allocating 31569 entries in 124 pages [ 0.073251] smpboot: Max logical packages: 2 [ 0.073268] DMAR: Host address width 39 [ 0.073269] DMAR: DRHD base: 0x000000fed90000 flags: 0x0 [ 0.073279] DMAR: dmar0: reg_base_addr fed90000 ver 1:0 cap c0000020660462 ecap f0101a [ 0.073280] DMAR: DRHD base: 0x000000fed91000 flags: 0x1 [ 0.073284] DMAR: dmar1: reg_base_addr fed91000 ver 1:0 cap d2008020660462 ecap f010da [ 0.073285] DMAR: RMRR base: 0x0000007b800000 end: 0x0000007f9fffff [ 0.073287] DMAR-IR: IOAPIC id 2 under DRHD base 0xfed91000 IOMMU 1 [ 0...

...080041] Ignoring BGRT: invalid version 0 (expected 1) [ 0.083729] ftrace: allocating 22571 entries in 89 pages [ 0.103728] DMAR: Host address width 36 [ 0.103733] DMAR: DRHD base: 0x000000fed90000 flags: 0x0 [ 0.103745] DMAR: dmar0: reg_base_addr fed90000 ver 1:0 cap c0000020e60262 ecap f0101a [ 0.103747] DMAR: DRHD base: 0x000000fed91000 flags: 0x1 [ 0.103758] DMAR: dmar1: reg_base_addr fed91000 ver 1:0 cap c9008020660262 ecap f0105a [ 0.103760] DMAR: RMRR base: 0x000000ca2ba000 end: 0x000000ca2d0fff [ 0.103763] DMAR: RMRR base: 0x000000cb800000 end: 0x000000cf9fffff [ 0....

Hello, following up on myself, it was suggested on IRC that I better attach a dmesg output. Here's the output of a clean boot & echo 0f > /sys/.../pstate cycle. I can't spot a message that relates to the reclock action, and there's only one weird "nouveau 0000:04:00.0: clk: base: 7 MHz, boost: 7 MHz" message. On the other hand: # cat