Hi,
On 10/18/18 2:52 PM, Sedat Dilek wrote:
On Tue, Oct 16, 2018 at 8:37 AM Lu Baolu <[email protected]> wrote:
Hi Sedat,
Sorry for late reply.
Do you still have this issue with newer rc's (like 4.19-rc8)?
I checked the dmesg log you attached there, it seems that the vt-d was
not on actually.
Here my kernel-config and dmesg-logs for Linux v4.19-rc8.
Any issues are you seeing? I didn't see any error in the dmesg dump.
Best regards,
Lu Baolu
- sed@ -
On 9/5/18 8:04 PM, 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 -
Documentation/intel_txt.txt
Documentation/admin-guide/kernel-parameters.txt
Documentation/Intel-IOMMU.txt
[1]
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Documentation/admin-guide/kernel-parameters.txt#n1645
[2]
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Documentation/Intel-IOMMU.txt
[3]
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Documentation/intel_txt.txt
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