Public bug reported:
[Reproduce Steps]
1. Connect the system via 540 graphics card +CML CUP.
2. Clean install Ubuntu 20.04
2. A black screen appears on the system.
[Result]
Expected Result
OS can be installed normally.
[Actual Result]
Clean install Ubuntu 20.04. After "Copying installation logs", the system
reboots and the screen goes black. The Ubuntu system does not install
successfully.
The reproduce steps :
Insert the U disk -> power on SUT -> error log will appear -> select the hard
disk to install OS -> processing of copy files -> auto restart -> Dell logo
show up -> error log appears again -> VP on CML +X59 (black screen) / VNP on
RKL +X59.
Others info:
VNP on RKL+UMA
VNP on CML+singel 550
VNP on CML +single RX640
VNP on RKL +single 540
VP on CML+UMA
VP on CML+singel 540
[Additional Information]
1. Test Vault ID: adhoc
2. Checkbox test case ID : NA
3. BIOS Version: 0.5.28
4. Image/Manifest: Ubuntu 20.04.1 LTS (fossa-cubone x59)
5. SKU: OptiPlex 5090
6. CPU: CML ES QSRK
7. GPU: singel 540
8. PIMS-27206 / Launchpad:#1906140
Failure rate: 3/3 times
** Affects: gnome-shell-extension-ubuntu-dock (Ubuntu)
Importance: Undecided
Status: New
** Tags: checkbox-test fossa-cubone-rkl fossa-seadra-rkl odm-bug white-whale
** Tags added: checkbox-test fossa-cubone-rkl fossa-seadra-rkl odm-bug
white-whale
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in Ubuntu.
https://bugs.launchpad.net/bugs/1908373
Title:
[Seal MT][Caribou]20.04 X59,Black screen appears when installing
Ubuntu on AMD 540 graphics card and CML CPU
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