Hi Alex, thanks for your - rather amusing - comments :) after a certain time you start experimenting without thinking too much - unfortunately I'm still not any further after revising, same issues:
Am 8. Mai 2018 21:55:03 MESZ schrieb Alex Williamson <alex.william...@redhat.com>: >On Tue, 08 May 2018 21:21:29 +0200 >Chris <kas...@web.de> wrote: >> # cat /etc/modprobe.d/vfio.conf >> options vfio-pci ids=8086:1902 >> options vfio-pci disable_vga=1 > >VGA support is required for legacy mode IGD assignment, why is it being >disabled? Must've read too much - removed line. >> # cat /etc/modprobe.d/blacklist.conf >> blacklist i915 >> >> # dracut -f /boot/initramfs-4.16.5-300.fc28.x86_64.img >4.16.5-300.fc28.x86_64 >> # reboot >> # dmesg | grep -e DMAR -e IOMMU >> Kernel command line: BOOT_IMAGE=/vmlinuz-4.16.5-300.fc28.x86_64 >root=/dev/mapper/fedora-root00 ro rd.lvm.lv=fedora/root00 >rd.lvm.lv=fedora/swap rhgb quiet LANG=en_US.UTF-8 intel_iommu=on >rd.driver.pre=vfio-pci bochs_drm.fbdev=off >video=efifb:off,vesa:off,vesafb:off vga=normal iommu=no-igfx > >Disabling the IOMMU for igfx when you're trying to use the IOMMU to >assign igfx seems like a bad idea, but luckily the option would have >been intel_iommu=igfx_off so the option was wrong on both ends. :D you kinda have a point. Switched back to "on" - as tried before. >> 3.: Configuring a guest with UEFI BIOS, 440FX Chipset gives (and >thousands of these... not just some): >> [ 3419.435439] DMAR: DRHD: handling fault status reg 2 >> [ 3419.435446] DMAR: [DMA Write] Request device [00:02.0] fault addr >0 [fault reason 02] Present bit in context entry is clear >> [ 3419.436683] DMAR: DRHD: handling fault status reg 3 >> [ 3419.436691] DMAR: [DMA Read] Request device [00:02.0] fault addr >afa40000 [fault reason 06] PTE Read access is not set >> [ 3419.438069] DMAR: DRHD: handling fault status reg 3 >> [ 3419.438076] DMAR: [DMA Read] Request device [00:02.0] fault addr >afa40000 [fault reason 06] PTE Read access is not set >> [ 3419.439473] DMAR: DRHD: handling fault status reg 3 >> [ 3419.439480] DMAR: [DMA Read] Request device [00:02.0] fault addr >afa6e000 [fault reason 06] PTE Read access is not set >> [ 3419.440872] DMAR: DRHD: handling fault status reg 3 >> [ 3419.440879] DMAR: [DMA Read] Request device [00:02.0] fault addr >afaa6000 [fault reason 06] PTE Read access is not set > >This is what happens when the VBIOS tries to use the host stolen memory >because the quirks are disabled because QEMU doesn't have access to VGA >regions. >Thanks, >Alex Unfortunately it's still at the same stage... same error messages after reboots. Thanks a lot, Chris -- Diese Nachricht wurde von meinem Android-Gerät mit K-9 Mail gesendet. _______________________________________________ vfio-users mailing list vfio-users@redhat.com https://www.redhat.com/mailman/listinfo/vfio-users
