On Sun, 2 Jun 2024 14:38:18 -0600 Yu Zhao <yuzhao@xxxxxxxxxx> wrote: > I compared the .config between v6.8.9 (you attached previously) and > v6.1.92 -- I didn't see any major differences (both have ZONE_DMA, > HIGHMEM, MGLRU and zswap/zsmalloc). Either there is something broken > between v6.1.92 and v6.6.32 (as you mentioned above), or it's just a > kernel allocation bloat which puts the DMA zone (0.25GB) under too > heavy pressure. The latter isn't uncommon when upgrading to a newer > version of the kernel. > > Could you please attach the dmesg from v6.1.92? I want to compare the > dmegs between the two kernel versions as well -- that might provide > some hints. No problem, attached please find the v6.1.92 dmesg and also the v6.9.3 .config and dmesg. I stripped down the v6.9.3 .config a bit (to ease 'make oldconfig' for older kernels) from my originally posted v6.8.9 .config and used that as a starting point for v6.6.32 and v6.1.92. Also I started a git bisect. Let's see if I get something meaningful out of this... Regards, Erhard
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