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HELP - My ubuntu 20.04 x86 restarts randomly - after GPU change

th flag

I have no idea what can be.

The system runs fine with Nvidia GPU(after keep restanting too and then fixed). Ok, yesterday I install a RX 550, uninstall all Nvidia drivers and then install the amd drive, from the offical web site(the drive upload, in the AMD site date was 6/21/2021). After this change, the system came back with the suddenly resets. Runs about 45 min and then restart.

Any help will be appreciated!

jpbrain avatar
ca flag
Hi @Walter Nunes. First guess it is a hardware problem. Are you monitoring temperatures on the RX550?. Does it have proper ventilation? Can you provide more details on the hardware?
user535733 avatar
cn flag
This does not seem to be a question about Ubuntu. This seems to be a troubleshooting question about your faulty hardware. Ubuntu logs are located in /var/log/. Any useful information captured by Ubuntu will be there.
Walter Nunes avatar
th flag
Hi, @jpbrain. This is the sensors just after the reset. https://im.ge/i/r4Psh
Walter Nunes avatar
th flag
Have too many logs @user535733, how of those are the most important?
jpbrain avatar
ca flag
@WalterNunes: Those temp look normal but they usually go down fast after reset. You can do #dmesg -l crit or #dmesg -l err to see system messages that could need attention.
Walter Nunes avatar
th flag
@jpbrain this command show me this: dmesg -l err [ 0.104736] x86/cpu: VMX (outside TXT) disabled by BIOS[in red] and dmesg -l crit - nothing happening(is this right?)
jpbrain avatar
ca flag
@WalterNunes: Yes. That sounds about right. System is not finding any particular software issue. So, again, you should be looking at hardware. I have a similar configuration on a laptop (not RX550 but still Nvidia), temps go high depending on what I run and fans start fast to bring them down. Take a look at your bios on system health configuration.
Walter Nunes avatar
th flag
@jpbrain I understand. You help me a lot! This only can be the gpu. I will put all the fans on 100% and do a test. As I can't change the gpu fan speed, I'll try this, if doesn't work, put back the old gpu. Thank you for your attention! =D
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