On Wed, 26 Jan 2022 at 07:34, Maxim Levitsky <mlevi...@redhat.com> wrote: > > Could you post the whole dmesg, or at least: > > dmesg | grep AMD-Vi > > > What CPU does your system have? > > I suspect that your system doesn't GA log feature enabled in the IOMMU, and > the code never checks > for that, and here it fails enabling it, which before my patches was just > ignoring it silently. > > > Best regards, > Maxim Levitsky > > > > Hope that helps > > > > Mike > >
Hi It's an AMD Ryzen 9 5900HX [ 0.186350] AMD-Vi: ivrs, add hid:AMDI0020, uid:\_SB.FUR0, rdevid:160 [ 0.186353] AMD-Vi: ivrs, add hid:AMDI0020, uid:\_SB.FUR1, rdevid:160 [ 0.186354] AMD-Vi: ivrs, add hid:AMDI0020, uid:\_SB.FUR2, rdevid:160 [ 0.186355] AMD-Vi: ivrs, add hid:AMDI0020, uid:\_SB.FUR3, rdevid:160 [ 0.355628] pci 0000:00:00.2: AMD-Vi: IOMMU performance counters supported [ 0.356134] pci 0000:00:00.2: AMD-Vi: Found IOMMU cap 0x40 [ 0.356136] AMD-Vi: Extended features (0x206d73ef22254ade): PPR X2APIC NX GT IA GA PC GA_vAPIC [ 0.356140] AMD-Vi: Interrupt remapping enabled [ 0.356141] AMD-Vi: Virtual APIC enabled [ 0.356142] AMD-Vi: X2APIC enabled [ 0.431377] AMD-Vi: AMD IOMMUv2 loaded and initialized I've attached the dmesg, I notice that some boots it doesn't happen Cheers Mike
x2apic.dmesg
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