[Intel-gfx] iommu_intel or i915 regression in 4.18, 4.19.12 and drm-tip

I just got a used Thinkpad X201 (Core i5 M 520, Intel QM57 chipset) and hit some kernel panics while trying to view image/animation-intensive stuff in Firefox (X11) unless I use "iommu_intel=igfx_off". With Debian stable backport kernels, "linux-image-4.17.0-0.bpo.3-amd64" (4.17.17-1~bpo9+1) has n

Re: [Intel-gfx] iommu_intel or i915 regression in 4.18, 4.19.12 and drm-tip

Joonas Lahtinen wrote: > Quoting Eric Wong (2018-12-27 13:49:48) > > I just got a used Thinkpad X201 (Core i5 M 520, Intel QM57 > > chipset) and hit some kernel panics while trying to view > > image/animation-intensive stuff in Firefox (X11) unless I use > > "iommu_intel=igfx_off". > > > > With D

Re: [Intel-gfx] iommu_intel or i915 regression in 4.18, 4.19.12 and drm-tip

Quoting Eric Wong (2019-01-04 03:06:26) > Joonas Lahtinen wrote: > > Quoting Eric Wong (2018-12-27 13:49:48) > > > I just got a used Thinkpad X201 (Core i5 M 520, Intel QM57 > > > chipset) and hit some kernel panics while trying to view > > > image/animation-intensive stuff in Firefox (X11) unless

Re: [Intel-gfx] iommu_intel or i915 regression in 4.18, 4.19.12 and drm-tip

Quoting Eric Wong (2018-12-27 13:49:48) > I just got a used Thinkpad X201 (Core i5 M 520, Intel QM57 > chipset) and hit some kernel panics while trying to view > image/animation-intensive stuff in Firefox (X11) unless I use > "iommu_intel=igfx_off". > > With Debian stable backport kernels, "linux-