On dinsdag 26 maart 2019 16:11:47 CEST Diederik de Haas wrote: > I updated /lib/firmware/amd-ucode/*.bin from upstream git (commit > 7bc246451318b3536d9bfd3c4e46d541a9831b33) and updated initramfs (I'm not > sure that's the right place) and since then I haven't had the problem > anymore. Correction: it still does happen :-/ I reported this bug hoping that a fix for this would fix an issue I'm having since I build this AMD Ryzen system in October 2017, namely freezes and spontaneous reboots. I have replaced basically every component, except CPU and RAM. I have installed every BIOS update hoping that it would fix my issues, but no. I've had this issue with every kernel version I tried since Oct 2017 (I run Debian Sid). I _think_ the chipset driver 18.50.x 'issue' I mentioned in OP is now fixed with updated firmware-nonfree package (although I got a different issue with that, see bug #928631) Doing another search for "microcode 8001137", I found https:// community.amd.com/thread/225795 and through that I found https://bugzilla.kernel.org/show_bug.cgi?id=196683 And that sounds a LOT like the issue I'm having for 1.5 years now. So maybe this bug should be re-assigned to the Linux kernel instead (and retitled and set Forwarded to that bugzilla report)? OTOH it very much sounds like a hardware/CPU bug which may be able to be fixed with an(other) microcode update? I'm now trying to figure out how to compile my own kernel so I can enable CONFIG_RCU_NOCB_CPU and see whether that makes a difference Full system spec: MB: Asus ROG CROSSHAIR VII HERO (BIOS: 2203) CPU: AMD Ryzen 7 1800X Eight-Core Processor (family: 0x17, model: 0x1, stepping: 0x1) RAM: 2x F4-3200C16D-32GTZ (making for 4x16GB) PSU: Corsair AX1600i 1600W GPU: Asus ROG Strix RX VEGA64 OC edition 8GB OS: Debian GNU/Linux Sid with currently kernel 4.19.37-3
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