On Friday 6 September 2024 10:10:47 BST Michael wrote: > On Friday 6 September 2024 01:33:04 BST Peter Humphrey wrote: > > On Friday 6 September 2024 00:21:31 BST Peter Humphrey wrote: > > > I think I know what it is: the kernel's list of firmware blobs is empty. > > > I > > > don't know where they all went, but it shouldn't be too hard to find > > > them. > > > > Indeed it was so. Now fixed and working fine. > > Without all requisite firmware for your graphics the Kwin compositor will > fall back to software rendering. As you've experienced without hardware > acceleration Kwin will eat up CPU cycles. > > Emerging sys-kernel/linux-firmware and configuring your system to use it > fixes the problem by providing the necessary code for the graphics card to > do the heavy lifting:
Yes, I know, and I had it set up from when I acquired the machine. The mystery is why it was missing from my two most recent kernels. -- Regards, Peter.
