‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐ On Sunday, 19 April 2020 17:02, Lennert Van Alboom <lennert@vanalboom.org> wrote: > ‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐ > On Sunday, 19 April 2020 15:56, Uwe Kleine-König uwe@kleine-koenig.org wrote: > > Do you have INTEL_IOMMU and INTEL_IOMMU_DEFAULT_ON included in your > > custom kernel? (If only the former: Do you suffer from the reported > > problem when you add intel_iommu=on to the kernel command line?) > > I started with the stock Debian 5.5-rc config, and just did make oldconfig from there on (don't like to stray too far from the official packages). So the option should be identical to the Debian kernels. > > $ grep INTEL_IOMMU Build/kernel/linux-5.7-rc1/.config > CONFIG_INTEL_IOMMU=y > CONFIG_INTEL_IOMMU_SVM=y > > CONFIG_INTEL_IOMMU_DEFAULT_ON is not set > > ========================================= > > CONFIG_INTEL_IOMMU_FLOPPY_WA=y > CONFIG_INTEL_IOMMU_SCALABLE_MODE_DEFAULT_ON=y > > I don't reboot often, but I'll very likely run into the i915 hang above again soon, so I'll try the intel_iommu=on then. Verified: my 5.7.0-rc1 system with intel_iommu=on can suspend/resume without issues.
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