On Tue, 23 Jul 2024 at 12:48, Marc Gonzalez <mgonzalez@xxxxxxxxxx> wrote: > > On 16/07/2024 18:37, Dmitry Baryshkov wrote: > > > No, that's fine. It is the SMMU issue that Konrad has been asking you > > to take a look at. > > Context: > > [ 4.911422] arm-smmu cd00000.iommu: FSR = 00000402 [Format=2 TF], SID=0x0 > [ 4.923353] arm-smmu cd00000.iommu: FSYNR0 = 00000021 [S1CBNDX=0 PNU PLVL=1] > [ 4.927893] arm-smmu cd00000.iommu: FSR = 00000402 [Format=2 TF], SID=0x0 > [ 4.941928] arm-smmu cd00000.iommu: FSYNR0 = 00000021 [S1CBNDX=0 PNU PLVL=1] > [ 4.944438] arm-smmu cd00000.iommu: FSR = 00000402 [Format=2 TF], SID=0x0 > [ 4.956013] arm-smmu cd00000.iommu: FSYNR0 = 00000021 [S1CBNDX=0 PNU PLVL=1] > [ 4.961055] arm-smmu cd00000.iommu: FSR = 00000402 [Format=2 TF], SID=0x0 > [ 4.974565] arm-smmu cd00000.iommu: FSYNR0 = 00000021 [S1CBNDX=0 PNU PLVL=1] > [ 4.977628] arm-smmu cd00000.iommu: FSR = 00000402 [Format=2 TF], SID=0x0 > [ 4.989670] arm-smmu cd00000.iommu: FSYNR0 = 00000021 [S1CBNDX=0 PNU PLVL=1] > > > As I mentioned, I don't think I've ever seen issues from cd00000.iommu > on my board. Interestingly enough, I can also see iommu errors during WiFi startup / shutdown on msm8998 / miix630. This leads me to thinking that it well might be that there is a missing quirk in the iommu driver. > > I can test a reboot loop for a few hours, to see if anything shows up. Yes, pleas. -- With best wishes Dmitry
