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I have a newly assembled desktop that I use as a server it has the following hardware

  • Gigabyte x570 Aorus pro
  • Ryzen 7 3700x
  • Corsair DDR4 Vengeance LPX 2x8GB 3200 C16 Geheugen
  • 1TB intel SSD

I'm on the latest 20b bios of Gigabyte and have the stable latest kernel. The server as of late freezes, sometimes it takes 2 days, sometimes a couple of hours. I have read many different forum posts in which people play with memory timings, other settings, which haven't worked for me. So far it's not solved for me yet.

I'm just wondering where I can find the real issue whether it's a hardware problem or the ubuntu kernel not fully cooperating with the x570 chipset or the cpu.

Just now I have implemented this answer and seems to be working for now, but I'm still monitoring it. For me the linked solution has worked. I also have an Aorus Elite board, where it's not required. But it works, so I'm not questioning it so far.

Added this line to /etc/default/grub

GRUB_CMDLINE_LINUX_DEFAULT="pci=assign-busses apicmaintimer idle=poll reboot=cold,hard"

Hope that helps someone, see the original post for more options

Ilhan Ünlü
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  • Edit your question and show me sudo dmidecode -s bios-version and free -h and sysctl vm.swappiness and sudo lshw -C memory. Is CPU or RAM overclocked? – heynnema Jul 09 '20 at 21:47
  • No, nothing is overclocked and XMP is also not enabled, all running on standard bios settings. – Ilhan Ünlü Jul 09 '20 at 22:28
  • Disabling the Automatic C-State Management in BIOS is what fixed that issue for me, so there's a good chance you're good now. – Sebastian Jul 10 '20 at 09:55
  • Yes, it is working for me right now pretty good, already 12 hours stable. I have just added GRUB_CMDLINE_LINUX_DEFAULT="quiet splash pci=assign-busses apicmaintimer idle=poll reboot=cold,hard" to grub – Ilhan Ünlü Jul 10 '20 at 09:58

2 Answers2

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At my config (x570 AORUS ELITE, Ryzen 7500x) I've completely got rid of sporadic freezes by upgrading kernel to x86_64-linux-5.6.0-050600-generic which believed to treat Zen2 right.

Ivan Nikitin
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  • Funny thing is I have the X570 Pro and Elite. The Elite didn't require any changes, 20.04 out of the box with 5.4 works great. It's just the pro – Ilhan Ünlü Oct 10 '20 at 13:27
  • Is it still the case with kernel 5.6 and does the firmware matter? Today after a long time the computer went to freeze again – Ilhan Ünlü Jan 19 '21 at 15:15
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Eventually, I replaced the processor with a new Ryzen 7 5800x and the freezes have stopped, not more segfaults. I'm also on the latest firmware atm which F33A.

GRUB_CMDLINE_LINUX_DEFAULT="pci=assign-busses apicmaintimer idle=poll reboot=cold,hard"

The above that I posted in the initial post is not a sustainable solution, or changing kernels.

Ilhan Ünlü
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