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--- ubuntu:gpu:amd_gpu:troubleshooting:system_will_not_boot [2023/10/07 09:07] – peter
+++ ubuntu:gpu:amd_gpu:troubleshooting:system_will_not_boot [2023/10/07 09:23] (current) – peter
@@ Line 44: / Line 44: @@
 <code bash>
 sudo add-apt-respository ppa:kisak/kisak-mesa
+sudo apt update
+sudo apt upgrade
+</code>
+<WRAP info>
+**NOTE:**  This will install the latest **stable** MESA-driver.
+  * See:  https://launchpad.net/~kisak/+archive/ubuntu/kisak-mesa
+</WRAP>
+----
+=== Force the use of the Kisak resposity for MESA ===
+<code bash>
+sudo vi /etc/apt/preferences.d/kisak-pin-2000
+</code>
+and populate with:
+<file bash>
+Package: *
+Pin: release o=LP-PPA-kisak-kisak-mesa
+Pin-Priority: 2000
+</file>
+and update again:
+<code bash>
 sudo apt update
 sudo apt upgrade
@@ Line 59: / Line 88: @@
 <WRAP info>
-**NOTE:**  This will download the firmware into a directory named **linux-firmware**.
+**NOTE:**  The **/home/peter/amdgpu** directory here is just a temporary directory.
+  * The **git** command will download the firmware into a sub-directory named **linux-firmware** within the **/home/peter/amdgpu** directory.
+  * If **git** command does not work, download the newest tar.gz file manually from https://git.kernel.org/pub/scm/linux//kernel/git/firmware/linux-firmware.git
 </WRAP>
@@ Line 68: / Line 102: @@
 <code bash>
 mkdir bak
-cd bak
 sudo cp -R /lib/firmware/amdgpu bak
 </code>
@@ Line 83: / Line 116: @@
 sudo cp linux-firmware/amdgpu/* /lib/firmware/amdgpu
 </code>
+<WRAP info>
+**NOTE:**  This will copy the amdgpu drivers from **/home/peter/amdgpu/linux-firmware** directory, to **/lib/firmware/amdgpu**.
+</WRAP>
 ----
@@ Line 98: / Line 135: @@
 <code bash>
 sudo shutdown -r now
+</code>
+----
+===== Housekeeping (Optional) =====
+Remove the temporary directories that were created for this fix.
+<code bash>
+sudo rm -Rf /home/peter/amdgpu
 </code>
@@ Line 105: / Line 152: @@
 https://git.kernel.org/pub/scm/linux//kernel/git/firmware/linux-firmware.git
+https://launchpad.net/~kisak/+archive/ubuntu/kisak-mesa