> Our servers were running Debian 10 without any issues > We have been trying to do a fresh install of debian 11.3 on exactly the > same hardware. The install works without any errors but on rebooting the > system fails with kernel panics > > By adding init=/bin/bash from within grub works and we can then do things > like > > mount - o remount / > cd /etc/init.d > ./networking start > ./ssh start > apt install stress > stress -c 16 -m 16 --vm-bytes 50GB > > This stress test (without running the normal init process) runs for hours > without issues > > We then tried adding systemd.confirm_spawn=true from the boot line in grub > to try to see at what stage the kernel crashes > Even if we don't confirm the first systemd spawn and leave the computer > waiting for an answer for a few minutes the kernel panics > > Has anyone else seen this or have a fix for it? > The board is a GIGABYTE R181-Z90-00 Version F01 , the CPU is AMD EPYC > 7281,the total memory is 1TB from 64GB sticks of Samsung DDR4 > M386A8K40BM2-CTD
I don't have any of this hardware, and I can only speculate as to the cause of the problem. Is it, by any chance, related to the following? https://cloudlinux.zendesk.com/hc/en-us/articles/360014242019-AMD-CPU-Unable-to-Boot-after-CPU-Microcode-Update Debian not booting on EPYC CPUs is an extremely serious problem. I hope some solution is discovered. Best regards, Greg Marks
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