> Reverting to DMUB 7.40.0 (from 0ubuntu3.1) resolves the issue
completely.
How can that be a revert? 0ubuntu3.1 is newer than 0ubuntu2.29.
> Replace dcn_3_2_1_dmcub.bin.zst with the version from linux-firmware
0ubuntu3.1 (DMUB 7.40.0) and reboot
I don't understand. linux-firmware-amd-graphics
20240318.git3b128b60-0ubuntu3.2 is in noble-updates.
** Changed in: linux-firmware (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/2167302
Title:
[linux-firmware] DMCUB firmware regression causes severe input lag on
Navi 33 (RX 7600)
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