On Tue, Sep 25, 2018 at 7:01 PM, Jordan Glover <golden_mille...@protonmail.ch> wrote: > ‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐ > On Tuesday, September 25, 2018 1:57 PM, Joerg Roedel <j...@8bytes.org> 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. >
Here some details: # cat /proc/version Linux version 4.19.0-rc5-1-iniza-llvmlinux (sedat.di...@gmail.com@iniza) (clang version 7.0.0-2 (tags/RELEASE_700/final)) #1 SMP 2018-09-24 [ 0.143880] Kernel command line: initrd=\initrd.img-4.19.0-rc5-1-iniza-llvmlinux root=UUID=myRootFSUUID ro intel_iommu=on [ 0.143906] DMAR: IOMMU enabled [ 155.795347] vboxpci: IOMMU found Thanks, - Sedat - _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu
