F5F Stay Refreshed Hardware Desktop IOMMU Issues

IOMMU Issues

IOMMU Issues

P
Peedy
Senior Member
641
08-03-2024, 10:23 PM
#1
I think this might relate to a motherboard or CPU problem (likely causing IOMMU issues), though I’m not certain I purchased the HP Elite 6300sff with an i5-3470. Both the tower and CPU support Intel Vt-D, and I’ve turned it on in the BIOS, but Unraid doesn’t show it as enabled. I’ve tried various fixes, like adding "iommu=1 iommu=pt" to syslinux.cfg, but nothing worked. Could anyone assist? If not, I’ll reach out to Unraid support.
P
Peedy
08-03-2024, 10:23 PM #1

I think this might relate to a motherboard or CPU problem (likely causing IOMMU issues), though I’m not certain I purchased the HP Elite 6300sff with an i5-3470. Both the tower and CPU support Intel Vt-D, and I’ve turned it on in the BIOS, but Unraid doesn’t show it as enabled. I’ve tried various fixes, like adding "iommu=1 iommu=pt" to syslinux.cfg, but nothing worked. Could anyone assist? If not, I’ll reach out to Unraid support.

X
195
08-04-2024, 06:38 PM
#2
The boot log indicates system events during startup, and searching for "IOMMU" in dmesg can reveal information about memory management features enabled at boot.
X
Xx_Elite102_xX
08-04-2024, 06:38 PM #2

The boot log indicates system events during startup, and searching for "IOMMU" in dmesg can reveal information about memory management features enabled at boot.

L
LegoBurgs
Junior Member
17
08-05-2024, 11:57 AM
#3
Electronics Wizardy [ 11.586553] AMD IOMMUv2 driver by Joerg Roedel <[email protected]> [ 11.586749] This feature isn't available on your system. I'm certain it's not the case, since I've enabled it in the BIOS and you're running a supported VT-d CPU.
L
LegoBurgs
08-05-2024, 11:57 AM #3

Electronics Wizardy [ 11.586553] AMD IOMMUv2 driver by Joerg Roedel <[email protected]> [ 11.586749] This feature isn't available on your system. I'm certain it's not the case, since I've enabled it in the BIOS and you're running a supported VT-d CPU.

E
Ezryo
Member
214
08-05-2024, 12:55 PM
#4
Intel_iommu set to on enables the interface functionality.
E
Ezryo
08-05-2024, 12:55 PM #4

Intel_iommu set to on enables the interface functionality.

B
ByFeNix1350
Senior Member
502
08-05-2024, 04:01 PM
#5
I needed to launch a Windows installation and used HP's BCU tool to adjust Vt-D, and it functions perfectly now! Thanks!
B
ByFeNix1350
08-05-2024, 04:01 PM #5

I needed to launch a Windows installation and used HP's BCU tool to adjust Vt-D, and it functions perfectly now! Thanks!