‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐ On Tuesday, September 25, 2018 1:57 PM, Joerg Roedel <[email protected]> wrote:
> Lu, > > can you please have a look at this problem? > > On Wed, Sep 05, 2018 at 02:04:38PM +0200, Sedat Dilek wrote: > > > Hi Joerg, > > "intel_ioomu=on" was working fine here on my ThinkPad T470 with > > debian/testing AMD64 with Linux v4.17.y and v4.18.y. > > With testing Linux v4.19-rc1 and v4.19-rc2 my machine is not booting - > > black screen. > > These kernels are built with LLVM/Clang v7.0.0rc2 (v4.18.y too). > > Furthermore, I switched from GRUB to systemd-boot v239. > > [ /boot/efi/loader/entries/debian.conf ] > > title Debian GNU/Linux buster/sid [ debian kernel ] > > linux /vmlinuz-4.17.0-3-amd64 > > initrd /initrd.img-4.17.0-3-amd64 > > options root=UUID=4c2aa544-6e86-44d2-9329-572623867b3d ro intel_iommu=on > > [ /boot/efi/loader/entries/debian-llvmlinux.conf ] > > title Debian GNU/Linux buster/sid [ llvmlinux kernel (EXPERIMENTAL) ] > > linux /vmlinuz-4.19.0-rc2-3-iniza-llvmlinux > > initrd /initrd.img-4.19.0-rc2-3-iniza-llvmlinux > > options root=UUID=4c2aa544-6e86-44d2-9329-572623867b3d ro > > Any hints or hints to debug this? > > Any other kernel boot cheats [1] I can try? > > My kernel-config and dmesg output is attached. > > Thanks in advance. > > Regards, > > > > - Sedat - > > This was reported couple weeks ago in few places, i.e.: https://bugs.freedesktop.org/show_bug.cgi?id=107783 Lu already prepared fix which you supposedly merged: https://lore.kernel.org/patchwork/patch/980077/#1175020 There was even v2 of the above which links to bug I posted: https://lore.kernel.org/patchwork/patch/983690/ Sedat confirmed it fixes the issue: https://lists.linuxfoundation.org/pipermail/iommu/2018-September/030139.html Please include aforementioned patch in iommu-fixes and send it to Greg for -rc6. Jordan _______________________________________________ iommu mailing list [email protected] https://lists.linuxfoundation.org/mailman/listinfo/iommu
