Random resets after cpu+GPU upgrade (Arch) (lemmy.world)

submitted 2 months ago* (last edited 2 months ago) by Cort@lemmy.world to c/linuxquestions@lemmy.zip

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Upgraded to amd 5900xt & 7090xt and am experiencing random crashes. No overclock, no xmp/docp, no pbo (not defaults cause Asus has pbo on by default). 1000w seasonic PSU.

Whole screen goes green and reboots. Happens in heavy gaming, watching YouTube and even at idle.

Journalctl lists an mc5 hardware error suggests the cpu, but none of the troubleshooting has fixed it.

BIOS updated, c-states disabled, triple checked all settings, fully up to date Arch, but still randomly crashes.

Where do I go from here?

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[-] fuckwit_mcbumcrumble@lemmy.dbzer0.com 1 points 2 months ago

Is it the 7900 xt or the 9070 xt? 7900 xt does have a beefy power draw. But AMD's "Minimum PSU Recommendation" is 750W so 1000 should be plenty.

And the 9070 xt uses less than that.

[-] Cort@lemmy.world 0 points 2 months ago

9070xt for sure. Only has 16gb vram

this post was submitted on 17 Jul 2026

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