TJ,
Thanks for testing. I will submit this change upstream w/ you as Tested-by.
On 2/8/21 12:18 AM, Tj (Elloe Linux) wrote:
On 06/02/2021 04:02, Suravee Suthikulpanit wrote:
Would this be in any way related to the following from the same device:
kernel: pci :00:00.2: can't derive routing f
:00:00.2: AMD-Vi: Extended features (0x4f77ef22294ada):
kernel: PPR NX GT IA GA PC GA_vAPIC
kernel: AMD-Vi: Interrupt remapping enabled
kernel: AMD-Vi: Virtual APIC enabled
kernel: AMD-Vi: Lazy IO/TLB flushing enabled
...
Looks to have solved the:
kernel: AMD-Vi: Unable to read/write to IOMMU
W, BIOS R11ET32W (1.12 ) 12/23/2019
...
AMD-Vi: ivrs, add hid:PNPD0040, uid:, rdevid:152
...
smpboot: CPU0: AMD Ryzen 7 3700U with Radeon Vega Mobile Gfx (family:
0x17, model: 0x18, stepping: 0x1)
...
pci 0000:00:00.2: AMD-Vi: Unable to read/write to IOMMU perf counter.
pci :00:00.2: can't d
oot: CPU0: AMD Ryzen 7 3700U with Radeon Vega Mobile Gfx (family:
0x17, model: 0x18, stepping: 0x1)
...
pci :00:00.2: AMD-Vi: Unable to read/write to IOMMU perf counter.
pci :00:00.2: can't derive routing for PCI INT A
pci :00:00.2: PCI INT A: not connected
pci :00:01.0: Addin
Could you please try the attached patch to see if the problem still persist.
Thanks,
Suravee
On 1/25/21 4:24 PM, Tj (Elloe Linux) wrote:
Lenovo E495 reports:
pci :00:00.2: AMD-Vi: Unable to read/write to IOMMU perf counter.
pci :00:00.2: can't derive routing for PCI INT A
pci 00
Lenovo E495 reports:
pci :00:00.2: AMD-Vi: Unable to read/write to IOMMU perf counter.
pci :00:00.2: can't derive routing for PCI INT A
pci :00:00.2: PCI INT A: not connected
I found an existing identical bug report that doesn't seem to have
gained any attenti
