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Hello,
I would like to help to secure the IOMMU my Evo M5A99X
/etc/default/grub
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash amd_iommu_dump"
dmesg | grep AMD-Vi
[ 0.251173] AMD-Vi: device: 00:00.2 cap: 0040 seg: 0 flags: 3e info 1300
[ 0.251174] AMD-Vi: mmio-addr: 00000000feb20000
[ 0.251182] AMD-Vi: DEV_SELECT_RANGE_START devid: 00:00.0 flags: 00
[ 0.251184] AMD-Vi: DEV_RANGE_END devid: 00:00.2
[ 0.251185] AMD-Vi: DEV_SELECT devid: 00:02.0 flags: 00
[ 0.251186] AMD-Vi: DEV_SELECT devid: 01:00.0 flags: 00
[ 0.251187] AMD-Vi: DEV_SELECT devid: 00:03.0 flags: 00
[ 0.251188] AMD-Vi: DEV_SELECT_RANGE_START devid: 02:00.0 flags: 00
[ 0.251189] AMD-Vi: DEV_RANGE_END devid: 02:00.1
[ 0.251190] AMD-Vi: DEV_SELECT devid: 00:04.0 flags: 00
[ 0.251191] AMD-Vi: DEV_SELECT devid: 03:00.0 flags: 00
[ 0.251192] AMD-Vi: DEV_SELECT devid: 00:05.0 flags: 00
[ 0.251193] AMD-Vi: DEV_SELECT devid: 04:00.0 flags: 00
[ 0.251194] AMD-Vi: DEV_SELECT devid: 00:06.0 flags: 00
[ 0.251195] AMD-Vi: DEV_SELECT devid: 05:00.0 flags: 00
[ 0.251196] AMD-Vi: DEV_SELECT devid: 00:07.0 flags: 00
[ 0.251197] AMD-Vi: DEV_SELECT devid: 06:00.0 flags: 00
[ 0.251198] AMD-Vi: DEV_SELECT devid: 00:0a.0 flags: 00
[ 0.251199] AMD-Vi: DEV_SELECT devid: 07:00.0 flags: 00
[ 0.251200] AMD-Vi: DEV_SELECT devid: 00:11.0 flags: 00
[ 0.251201] AMD-Vi: DEV_SELECT_RANGE_START devid: 00:12.0 flags: 00
[ 0.251202] AMD-Vi: DEV_RANGE_END devid: 00:12.2
[ 0.251203] AMD-Vi: DEV_SELECT_RANGE_START devid: 00:13.0 flags: 00
[ 0.251204] AMD-Vi: DEV_RANGE_END devid: 00:13.2
[ 0.251205] AMD-Vi: DEV_SELECT devid: 00:14.0 flags: d7
[ 0.251206] AMD-Vi: DEV_SELECT devid: 00:14.2 flags: 00
[ 0.251207] AMD-Vi: DEV_SELECT devid: 00:14.3 flags: 00
[ 0.251208] AMD-Vi: DEV_SELECT devid: 00:14.4 flags: 00
[ 0.251210] AMD-Vi: DEV_ALIAS_RANGE devid: 08:00.0 flags: 00 devid_to: 00:14.4
[ 0.251211] AMD-Vi: DEV_RANGE_END devid: 08:1f.7
[ 0.251216] AMD-Vi: DEV_SELECT devid: 00:14.5 flags: 00
[ 0.251217] AMD-Vi: DEV_SELECT_RANGE_START devid: 00:16.0 flags: 00
[ 0.251217] AMD-Vi: DEV_RANGE_END devid: 00:16.2
[ 0.251219] AMD-Vi: DEV_SPECIAL(IOAPIC[0]) devid: 00:14.0
[ 0.251220] AMD-Vi: DEV_SPECIAL(HPET[0]) devid: 00:14.0
[ 0.251222] AMD-Vi: DEV_SPECIAL(IOAPIC[255]) devid: 00:00.1
[ 0.251224] [Firmware Bug]: AMD-Vi: IOAPIC[9] not in IVRS table
[ 0.251226] [Firmware Bug]: AMD-Vi: IOAPIC[10] not in IVRS table
[ 0.251227] [Firmware Bug]: AMD-Vi: No southbridge IOAPIC found
[ 0.251228] AMD-Vi: Disabling interrupt remapping
[ 1.598715] AMD-Vi: Found IOMMU at 0000:00:00.2 cap 0x40
[ 1.598830] AMD-Vi: Lazy IO/TLB flushing enabled
Info:
echo "=> Northbridge Chipset :" && lspci -nnvs 0:0.0 | egrep "^00:|Kernel|Subsystem"
00:00.0 Host bridge [0600]: Advanced Micro Devices, Inc. [AMD/ATI] RD890 PCI to PCI bridge (external gfx0 port B) [1002:5a14] (rev 02)
Subsystem: Advanced Micro Devices, Inc. [AMD/ATI] RD890 PCI to PCI bridge (external gfx0 port B) [1002:5a14]
echo "=> Southbridge Chipset :" && lspci | awk '/ISA bridge/{print "lspci -nnvs " $1}' | sh | egrep "^00:|Kernel|Subsystem"
00:14.3 ISA bridge [0601]: Advanced Micro Devices, Inc. [AMD/ATI] SB7x0/SB8x0/SB9x0 LPC host controller [1002:439d] (rev 40)
Subsystem: Advanced Micro Devices, Inc. [AMD/ATI] SB7x0/SB8x0/SB9x0 LPC host controller [1002:439d]
dmesg | grep "iommu"
[5.802288] iommu: Adding device 0000:00:00.0 to group 0
[5.802718] iommu: Adding device 0000:00:02.0 to group 1
[5.803159] iommu: Adding device 0000:00:03.0 to group 2
[5.803586] iommu: Adding device 0000:00:04.0 to group 3
[5.804014] iommu: Adding device 0000:00:05.0 to group 4
[5.804443] iommu: Adding device 0000:00:06.0 to group 5
[5.804873] iommu: Adding device 0000:00:07.0 to group 6
[5.805303] iommu: Adding device 0000:00:0a.0 to group 7
[5.805735] iommu: Adding device 0000:00:11.0 to group 8
[5.806178] iommu: Adding device 0000:00:12.0 to group 9
[5.806194] iommu: Adding device 0000:00:12.2 to group 9
[5.806640] iommu: Adding device 0000:00:13.0 to group 10
[5.806657] iommu: Adding device 0000:00:13.2 to group 10
[5.807098] iommu: Adding device 0000:00:14.0 to group 11
[5.807534] iommu: Adding device 0000:00:14.2 to group 12
[5.807966] iommu: Adding device 0000:00:14.3 to group 13
[5.808397] iommu: Adding device 0000:00:14.4 to group 14
[5.808829] iommu: Adding device 0000:00:14.5 to group 15
[5.809272] iommu: Adding device 0000:00:16.0 to group 16
[5.809290] iommu: Adding device 0000:00:16.2 to group 16
[5.809728] iommu: Adding device 0000:01:00.0 to group 17 <= 01:00.0 GTX 260 (Slot GPU 1)
[5.810189] iommu: Adding device 0000:02:00.0 to group 18 <= 02:00.0 R9 270 (Slot GPU 2)
[5.810217] iommu: Adding device 0000:02:00.1 to group 18
[5.810652] iommu: Adding device 0000:03:00.0 to group 19
[5.811097] iommu: Adding device 0000:04:00.0 to group 20
[5.811529] iommu: Adding device 0000:05:00.0 to group 21
[5.811964] iommu: Adding device 0000:06:00.0 to group 22
[5.812397] iommu: Adding device 0000:07:00.0 to group 23
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