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Qubes doesn't boot with kernel 4.4.12 and 4.4.14 on skylake notebook #2186

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minad opened this Issue Jul 20, 2016 · 16 comments

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  Release 3.2
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@minad @thomwiggers @jpouellet @andrewdavidwong
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minad commented Jul 20, 2016 •
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  • @minad minad edited Jul 20, 2016 (most recent)

Qubes OS version (e.g., R3.1):

R3.2rc1 with 4.4.12 and 4.4.14 from unstable

Affected TemplateVMs (e.g., fedora-23, if applicable):

dom0

Expected behavior:

I would expect the default kernel to work on recent hardware.

Actual behavior:

R3.2rc1 has the 4.4.12 kernel by default. However with this kernel the notebook doesn't boot. After grub the notebook just restarts. The kernel 4.2.8 works but the system doesn't run very stable. Since Linux starting from 4.4 has proper Skylake support, I guess using a newer kernel would make sense?

Steps to reproduce the behavior:

Boot 4.4.12 or 4.4.14 on skylake.

General notes:

It might be that some binary blobs are missing from the initramfs as was suggested on the mailing list (see below).

Related issues:

@minad minad changed the title from Qubes OS doesn't boot with kernel 4.4.12 and 4.4.14 on skylake notebook to Qubes doesn't boot with kernel 4.4.12 and 4.4.14 on skylake notebook Jul 20, 2016

@andrewdavidwong andrewdavidwong added bug C: core labels Jul 20, 2016

@andrewdavidwong andrewdavidwong added this to the Release 3.2 milestone Jul 20, 2016

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thomwiggers Aug 3, 2016

Qubes R3.2-rc2 is working for me on an XPS 13 with i5-6200U

thomwiggers commented Aug 3, 2016

Qubes R3.2-rc2 is working for me on an XPS 13 with i5-6200U
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minad Aug 4, 2016

I am using a Lenovo Yoga X1 with i5, for which it didn't work with rc1. I have rc2 installed, but didn't try the new kernel yet. I will do so later.

minad commented Aug 4, 2016

I am using a Lenovo Yoga X1 with i5, for which it didn't work with rc1. I have rc2 installed, but didn't try the new kernel yet. I will do so later.
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minad Aug 5, 2016

I just tried it again with 4.4.14-11 and i915.preliminary_hw_support=0 and i915.preliminary_hw_support=1. My cpu is also i5-6200U

@thomwiggers which kernel version and kernel arguments are you using? Did you do generate your own initial ram disk with some special binary blobs (I think something like this was suggested in the aforementioned mailing list posts)?

minad commented Aug 5, 2016 •
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  • @minad minad edited Aug 5, 2016 (most recent)

I just tried it again with 4.4.14-11 and i915.preliminary_hw_support=0 and i915.preliminary_hw_support=1. My cpu is also i5-6200U

@thomwiggers which kernel version and kernel arguments are you using? Did you do generate your own initial ram disk with some special binary blobs (I think something like this was suggested in the aforementioned mailing list posts)?
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thomwiggers commented Aug 5, 2016

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jpouellet Sep 24, 2016

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@minad Have you made any progress on this? I'm having the same problem.
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jpouellet commented Sep 24, 2016

@minad Have you made any progress on this? I'm having the same problem.
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jpouellet Sep 25, 2016

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The 4.4 initramfs contains usr/lib/firmware/i915/skl_{dmc_ver1{,_23},guc_ver4{,_3}}.bin, the 4.1 initramfs does not contain any i915 firmware. The issue appears to be elsewhere, idk.
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jpouellet commented Sep 25, 2016

The 4.4 initramfs contains usr/lib/firmware/i915/skl_{dmc_ver1{,_23},guc_ver4{,_3}}.bin, the 4.1 initramfs does not contain any i915 firmware. The issue appears to be elsewhere, idk.
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thomwiggers Sep 25, 2016

Are you perhaps using that Yoga that doesn't support Linux / anything without Intel RST RAID drivers? See this comment on this thread and also this post

thomwiggers commented Sep 25, 2016 •
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Are you perhaps using that Yoga that doesn't support Linux / anything without Intel RST RAID drivers? See this comment on this thread and also this post
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Nope. 4th gen x1 carbon, runs other OSes just fine (non-qubes linux, pre-4.4-kernel qubes, OpenBSD, etc.). Just problems with qubes with kernels > 4.1 (/ >= 4.4, idk. i haven't started bisecting yet. Hoping for an easier solution.
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jpouellet commented Sep 25, 2016 •
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  • @jpouellet jpouellet edited Sep 25, 2016 (most recent)

Nope. 4th gen x1 carbon, runs other OSes just fine (non-qubes linux, pre-4.4-kernel qubes, OpenBSD, etc.). Just problems with qubes with kernels > 4.1 (/ >= 4.4, idk. i haven't started bisecting yet. Hoping for an easier solution.
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jpouellet Sep 25, 2016

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See also https://groups.google.com/forum/#!topic/qubes-users/xfWFGZxEqrY
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jpouellet commented Sep 25, 2016

See also https://groups.google.com/forum/#!topic/qubes-users/xfWFGZxEqrY
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minad Sep 26, 2016

No progress from my side. I didn't dig deeper. Bisecting is the right thing to do but too time consuming for me right now. I am still using the old 4.2.8 kernel in dom0

minad commented Sep 26, 2016

No progress from my side. I didn't dig deeper. Bisecting is the right thing to do but too time consuming for me right now. I am still using the old 4.2.8 kernel in dom0

@jpouellet jpouellet referenced this issue in QubesOS/qubes-doc Sep 26, 2016

Merged

Explicitly list another UEFI symptom on troubleshooting page. #194

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Seems my issue was actually UEFI trouble. @minad see if https://www.qubes-os.org/doc/uefi-troubleshooting/ fixes it for you. It appears to have fixed it for me.
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jpouellet commented Sep 26, 2016

Seems my issue was actually UEFI trouble. @minad see if https://www.qubes-os.org/doc/uefi-troubleshooting/ fixes it for you. It appears to have fixed it for me.

@minad minad referenced this issue Oct 23, 2016

Closed

Flickering screen when switching windows in i3 #2391

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minad Oct 24, 2016

@jpouellet Could you please post your xen.cfg, mine is empty and the documentation talks about kernel sections? If I understand correctly the changes to the xen.cfg are the only changes necessary since my system is already installed.

minad commented Oct 24, 2016

@jpouellet Could you please post your xen.cfg, mine is empty and the documentation talks about kernel sections? If I understand correctly the changes to the xen.cfg are the only changes necessary since my system is already installed.
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minad Oct 24, 2016

Ok, found the problem. I had a legacy bios installation. Legacy and UEFI were activated and it seems that qubes did a bios install back then. After a reinstall with UEFI in the bios everything works without tweaking. Stability seems to be improved compared to the 4.2.8 kernel.

I guess it is ok to close this. It might be good to mention in the install instructions that UEFI should be preferred?

minad commented Oct 24, 2016

Ok, found the problem. I had a legacy bios installation. Legacy and UEFI were activated and it seems that qubes did a bios install back then. After a reinstall with UEFI in the bios everything works without tweaking. Stability seems to be improved compared to the 4.2.8 kernel.

I guess it is ok to close this. It might be good to mention in the install instructions that UEFI should be preferred?

@minad minad closed this Oct 24, 2016

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jpouellet Oct 24, 2016

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That looks more like the config you have in the actual installer image rather than the one installed to your running machine.

Mine looks like:

[global]
default=4.4.14-11.pvops.qubes.x86_64

[4.4.14-11.pvops.qubes.x86_64]
options=loglvl=all dom0_mem=min:1024M dom0_mem=max:4096M
kernel=vmlinuz-4.4.14-11.pvops.qubes.x86_64 root=/dev/mapper/qubes_dom0-root rd.luks.uuid=luks-XXX-your-disk-guid-here-XXX rd.lvm.lv=qubes_dom0/root rd.lvm.lv=qubes_dom0/swap i915.preliminary_hw_support=1 rhgb quiet rd.qubes.hide_all_usb
ramdisk=initramfs-4.4.14-11.pvops.qubes.x86_64.img

[4.4.14-11.pvops.qubes.x86_64]
options=loglvl=all dom0_mem=min:1024M dom0_mem=max:4096M
kernel=vmlinuz-4.4.14-11.pvops.qubes.x86_64 root=/dev/mapper/qubes_dom0-root rd.luks.uuid=luks-XXX-your-disk-guid-here-XXX rd.lvm.lv=qubes_dom0/root rd.lvm.lv=qubes_dom0/swap i915.preliminary_hw_support=1 rhgb quiet rd.qubes.hide_all_usb
ramdisk=initramfs-4.4.14-11.pvops.qubes.x86_64.img
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jpouellet commented Oct 24, 2016

That looks more like the config you have in the actual installer image rather than the one installed to your running machine.

Mine looks like:

[global]
default=4.4.14-11.pvops.qubes.x86_64

[4.4.14-11.pvops.qubes.x86_64]
options=loglvl=all dom0_mem=min:1024M dom0_mem=max:4096M
kernel=vmlinuz-4.4.14-11.pvops.qubes.x86_64 root=/dev/mapper/qubes_dom0-root rd.luks.uuid=luks-XXX-your-disk-guid-here-XXX rd.lvm.lv=qubes_dom0/root rd.lvm.lv=qubes_dom0/swap i915.preliminary_hw_support=1 rhgb quiet rd.qubes.hide_all_usb
ramdisk=initramfs-4.4.14-11.pvops.qubes.x86_64.img

[4.4.14-11.pvops.qubes.x86_64]
options=loglvl=all dom0_mem=min:1024M dom0_mem=max:4096M
kernel=vmlinuz-4.4.14-11.pvops.qubes.x86_64 root=/dev/mapper/qubes_dom0-root rd.luks.uuid=luks-XXX-your-disk-guid-here-XXX rd.lvm.lv=qubes_dom0/root rd.lvm.lv=qubes_dom0/swap i915.preliminary_hw_support=1 rhgb quiet rd.qubes.hide_all_usb
ramdisk=initramfs-4.4.14-11.pvops.qubes.x86_64.img
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minad Oct 24, 2016

@jpouellet Thx! Yes you are right about the installer configuration. I was able to generate a similar configuration like yours by using the installer xen.cfg and then reinstalling the kernel.
Then I tried to convert my installation from bios to uefi, but it proved to be too time consuming. Finally I just did a fresh reinstall.

minad commented Oct 24, 2016 •
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  • @minad minad edited Oct 24, 2016 (most recent)

@jpouellet Thx! Yes you are right about the installer configuration. I was able to generate a similar configuration like yours by using the installer xen.cfg and then reinstalling the kernel.
Then I tried to convert my installation from bios to uefi, but it proved to be too time consuming. Finally I just did a fresh reinstall.
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