Ubuntu – 20.04 – fixing recursive fault but reboot is needed

20.04bootdriversgraphics

it's just a week that I upgrade to ubuntu 20.04 ( I was in 19.10 before).

I think I have a problem with the graphic card ( see this)

Today I found a new error when I restart the system. It seems that it occurs in the old version of Ubuntu, I have no found related question with the new version.

What could i do to solve this problem?

Best Answer

There are many posts out there with similar questions. I recall once having a problem (possibly the same) and solving with a change in GRUB:

Edit the default boot line (GRUB_CMDLINE_LINUX_DEFAULT) in /etc/default/grub, adding acpi=off nomodeset xforcevesa. Then

$ sudo update-grub
$ sudo shutdown -r

Possibly related:

https://unix.stackexchange.com/questions/412075/fixing-recursive-fault-but-reboot-is-needed-on-x3850-x6-sles12 (emulex card driver upgrade is posted as the solution)

Error "fixing recursive fault but reboot is needed"

Related Solutions

Ubuntu – Error “fixing recursive fault but reboot is needed”

Here are a few things you can try - edit into your question with results if any either does or doesn't work.

Some more detail info about your laptop might give some advice on what to try next. Booting from Live CD/USB...

...Open a terminal and type
```
lspci
```
and
```
lsusb
```
and
```
sudo lshw
```
Copy and paste the results into your question.
Try turning off both power management and graphics driver loading during booting. To do this, edit /etc/default/grub, find the GRUB_CMDLINE_LINUX_DEFAULT= line, and add acpi=off nomodeset xforcevesa. That is, the new line will probably look like:
```
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash acpi=off nomodeset xforcevesa"
```
After that, run:
```
sudo update-grub
```
You can use this AU question to guide you through these two steps.
Then enter your BIOS settings - have a look at the following bios settings and try toggling the values one at a time and see if you can boot (assuming these options exist):

a. Legacy USB Support
b. Disk Management/SATA/IDE Compatability Mode

Best Answer

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Ubuntu – Error “fixing recursive fault but reboot is needed”

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