This bug was fixed in the package linux - 5.8.0-16.17
---
linux (5.8.0-16.17) groovy; urgency=medium
* groovy/linux: 5.8.0-16.17 -proposed tracker (LP: #1891233)
* Miscellaneous Ubuntu changes
- hio -- Update to use bio_{start,end}_io_acct with 5.8+
- Enable hio driver
We'll need help from i915 devs to fix the GFX issue.
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https://bugs.launchpad.net/bugs/1860754
Title:
ASUS T100HAN boots to a blank screen with a cursor [i965: Failed to
submit
Hi Kai-Heng Feng,
Thank you very much for your information. I will learn more about SSH.
Should I have some action on this or not yet?
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Title:
** Description changed:
+ === SRU Justification ===
+ [Impact]
+ PMIC_OPREGION is required to make GFX works on Bay Trail and Cherry
+ Trial based tablets.
+
+ [Fix]
+ Enable CONFIG_PMIC_OPREGION.
+ CONFIG_GPIO_CRYSTAL_COVE needs to be loaded before i915 to control
+ panel, so change it to
This requires another system to use SSH client to connect to the
affected system.
However, that's another bug so I'll just enable those configs for now.
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Hi Hans de Goede,
Thank you very much for your information.
I were able to install OpenSSH server, however I don't know how to do
ssh in while it hangs.
Thank you in advance for your help.
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keep having the same modinfo error on all kernels 5.6.x , running Ubuntu
20.04.
modinfo: ERROR: could not get modinfo from 'da903x': No such file or
directory
On kernel 5.5.16 this modinfo error does not appear.
Since the report also have this same message, maybe someone knows
something ?
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Well the "[drm:intel_dsi_vbt_gpio_init [i915]] *ERROR* Failed to own
gpio for panel control" error is gone.
I just noticed you describe the problem as "blank screen with a cursor"
, I should have noticed this before. I assume with a cursor you mean a
mouse cursor (and not a Linux text console
Hi Kai-Heng-Feng,
Thank you very much for your reply.
Previous kernel was removed. I tried to install your new kernel and got
same issue. While install new kernel, I found a small error, not sure it
would be effected. Below are the details:
sudo dpkg -i *.deb
[sudo] password for srlungaci:
Hi Phuc Minh Cai,
Please remove the old kernel and test this one:
https://people.canonical.com/~khfeng/lp1860754-3/
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Title:
ASUS T100HAN boots
** Attachment added: "config-5.6.0-8-generic"
https://bugs.launchpad.net/ubuntu/+source/mesa/+bug/1860754/+attachment/5348572/+files/config-5.6.0-8-generic
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Thank you, Hans.
The difference is CONFIG_GPIO_CRYSTAL_COVE=m, so we need to make it
builtin or make it load before i915 in initramfs.
I'll build another kernel for testing.
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p.s.
There is another issue with 5.5.y and 5.6 kernels on Cherry Trail
hardware, at least with Fedora I'm seeing regular GPU freezes; and
specifically on the T100HAN also spontaneous reboots. I've seen the GPU
freezes on multiple Cherry Trail devices (these require ssh-ing in and
killing
I have a T100HAN in my personal hw collection, so I just booted up a
nightly build of the Fedora 32 workstation livecd on it and that works
fine for me. This nightly build is using a 5.6 kernel.
So the 5.6 kernel can work on this hardware. AFAIK Ubuntu, like Fedora
puts the i915 driver in the
[+Subscribed Hans]
Hans, I think the issue is caused by:
[drm:intel_dsi_vbt_gpio_init [i915]] *ERROR* Failed to own gpio for panel
control
Would be appreciated if you can take a look.
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Hi Kai Heng Feng,
Thank you very much for quick reply.
I upgrade kernel from your link. However still same issue.
Please see the attachment.
Best regards,
Phuc Minh Cai
** Attachment added: "prevboot.txt"
Yes, please test https://people.canonical.com/~khfeng/lp1860754-2/
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Title:
ASUS T100HAN boots to a blank screen with a cursor [i965: Failed to
Hi Hai Heng Feng,
How are you? Hope you're fine.
I saw it's already release kernel v5.6
Should I try with this kernel?
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Title:
ASUS T100HAN
Hi Kai Heng Feng,
Sorry for delaying this for long.
I already check and it already enable but in log file still not. I think
there is something not meet with the configuration.
Please see log file.
Thanks and regards,
** Attachment added: "prevboot4.txt"
Can you please check the config file under /boot?
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Title:
ASUS T100HAN boots to a blank screen with a cursor [i965: Failed to
submit
Hi Kai Heng Feng,
I've tried to install Ubuntu 18.04, also same issue.
Should I continue this bug with version 18.04 or Focal?
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Title:
ASUS
Hi Kai Heng Feng,
Still same black screen. Please see the attachment.
Btw, do you have article about how to check status and enable
CONFIG_PMIC_OPREGION? Thank you.
** Attachment added: "log boot kernel 5.5.0-7"
Please test this kernel:
https://people.canonical.com/~khfeng/lp1860754/
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Title:
ASUS T100HAN boots to a blank screen with a cursor [i965:
Should I tried kernel v5.5.1? Do I need to uninstall the previous one?
Thank you
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Title:
ASUS T100HAN boots to a blank screen with a cursor
Hi Daniel,
I don't know how to enable CONFIG_PMIC_OPREGION. But I installed kernel
v5.5 successfully and same issue. Please see the attachment.
Thank you.
** Attachment added: "prevboot3.txt"
Please test latest mainline kernel:
https://kernel.ubuntu.com/~kernel-ppa/mainline/v5.5/
We may need to enable CONFIG_PMIC_OPREGION to make it fully work.
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I suspect "cannot control anything for few minutes" is bug 1861648.
If during those few minutes you tried changing VTs etc you might have
got a delayed reaction and switched away from the working screen. Try
hitting Ctrl+Alt+F1.
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Hi Daniel,
Thank you for your update.
I have tried to install newest version 20.04. At first, I thought it
work since it come to main screen, however cannot control anything for
few minutes then it blank screen again. Please see the attachment.
** Attachment added: "preboot2.txt"
On a similar Asus netbook (with an Intel Atom x5-Z8300) I find that
Ubuntu 19.10 boots perfectly from USB. Oddly, 20.04 does not. With 20.04
I experience a blank screen more like this bug. To get around it I just
avoided the live session. At the 20.04 boot menu, choose 'Install Ubuntu
(safe
Most likely this is a kernel bug so the next step would be to try some
newer or older kernels and see if any of them DO NOT have the same bug.
Then hopefully we can identify when things changed.
https://kernel.ubuntu.com/~kernel-ppa/mainline/
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The simplest first test would be to try booting Ubuntu 20.04 from USB:
http://cdimage.ubuntu.com/daily-live/current/
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Title:
ASUS T100HAN boots
Hi Daniel,
What should I do for this issue?
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Title:
ASUS T100HAN boots to a blank screen with a cursor [i965: Failed to
submit batchbuffer:
See also bug 1838181.
** Summary changed:
- ASUS T100HAN boots to a blank screen with a cursor
+ ASUS T100HAN boots to a blank screen with a cursor [i965: Failed to submit
batchbuffer: Input/output error]
** Package changed: ubuntu => mesa (Ubuntu)
** Also affects: linux (Ubuntu)
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