Re, On Tue, Sep 03, 2024 at 03:22:18PM +0200, Micha?? Pecio wrote: > > Thank you, I applied + recompiled. After a while (~1 hour), I got a > > lot of messages in dmesg, slowing down the md raidcheck to a crawl. > Sorry about that, this was not intended. It looks like your controller > doesn't tolerate the NEC workaround. It's a test system, no worry. Just patched as instructed & recompiled & re-run the same test, probably won't hear from me for the next few hours. Sep 3 15:49:32 video kernel: [ 110.660593] md: check of RAID array md0 Have a nice evening!