On Wed, Sep 26, 2018 at 8:52 AM, Sedat Dilek <[email protected]> wrote: > On Tue, Sep 25, 2018 at 7:01 PM, Jordan Glover > <[email protected]> wrote: >> ‐‐‐‐‐‐‐ 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. >> > > Here some details: > > # cat /proc/version > Linux version 4.19.0-rc5-1-iniza-llvmlinux > ([email protected]@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 -
Just for the records and followers of this thread: commit be9e6598aeb0db70a7927d6b3bb4d3d6fb1c3e1 "iommu/vt-d: Handle memory shortage on pasid table allocation" [1] https://git.kernel.org/linus/be9e6598aeb0db70a7927d6b3bb4d3d6fb1c3e18 _______________________________________________ iommu mailing list [email protected] https://lists.linuxfoundation.org/mailman/listinfo/iommu
