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Kernel Panic and system freezes with 4x16 DDR5 (Page 2) /...
qxbash · 2026-06-03 · via Arch Linux Forums

#26 2026-06-03 21:46:06

seth
Member
From: Won't reply 2 private help req
Registered: 2012-09-03
Posts: 76,891

Re: Kernel Panic and system freezes with 4x16 DDR5

I ran mkinitcpio -P before rebooting

will tell you whether the parameters were applied - did you get a panic report for the latest occurrence as well? Or the system journal for the boot?

froze at 90min uptime yet again

Is there any pattern (time or usage-wise) to this? Is there a temperature limit?
W/ the page fault were're oc still in the realm of unstable RAM.

#27 2026-06-03 23:15:18

qxbash
Member
Registered: 2026-05-11
Posts: 16

Re: Kernel Panic and system freezes with 4x16 DDR5

seth wrote:

I ran mkinitcpio -P before rebooting

will tell you whether the parameters were applied - did you get a panic report for the latest occurrence as well? Or the system journal for the boot?

froze at 90min uptime yet again

Is there any pattern (time or usage-wise) to this? Is there a temperature limit?
W/ the page fault were're oc still in the realm of unstable RAM.

Yes, here is the output of cat /proc/cmdline :

initrd=\amd-ucode.img initrd=\initramfs-linux-zen.img root=UUID=f5fdea1a-3851-4c32-a944-c84705967219 rw rtw89_pci.disable_aspm_l1=Y rtw89_pci.disable_aspm_l1ss=Y rtw89_core.disable_ps_mod=Y pcie_aspm=off

Oddly enough, even when idling a game this time (to facilitate GPU usage) I did not receive a kernel panic. The system journal still does not show the moments of the crash (freezes so even SysReq is unusable).

The only concrete pattern I notice is that it occurs around 90min uptime (with at most that i have seen at about 92min). Temperatures are cool and I get the same numbers as I have gotten since I had this computer.

An additional note is that I idled overnight on a windows install and no freezing or BSODs occured.

Since I have tried the live ISO of Cachyos and it froze the same way, could it be an obscure issue with arch/based distros?

Last edited by qxbash (2026-06-03 23:34:04)

#28 2026-06-04 07:51:43

seth
Member
From: Won't reply 2 private help req
Registered: 2012-09-03
Posts: 76,891

Re: Kernel Panic and system freezes with 4x16 DDR5

could it be an obscure issue with arch/based distros?

It's more likely an issue w/ more recent kernels => https://aur.archlinux.org/packages?O=0&K=linux-lts

An additional note is that I idled overnight on a windows install and no freezing or BSODs occured.

Have I pointed you towards the 3rd link below. Mandatory.
Disable it (it's NOT the BIOS setting!) and reboot windows and linux twice for voodo reasons.
?

occurs around 90min uptime (with at most that i have seen at about 92min). Temperatures are cool

Leaking RAM/GART/GTT?
Can you keep the system running longer when frequently (every 30m or so) isolating the multi-user.target (implies killing your GUI session and all GUI clients!) and in doubt reclaim memory, https://unix.stackexchange.com/question … ree-memory (using heads and tails should do wink)

#29 2026-06-04 08:28:26

progandy
Member
Registered: 2012-05-17
Posts: 5,320

Re: Kernel Panic and system freezes with 4x16 DDR5

An additional note is that I idled overnight on a windows install and no freezing or BSODs occured.

That is intersting. As far as I am aware, AM5 is very temperamental about 4 sticks of ram so I try to avoid it.


| alias CUTF='LANG=en_XX.UTF-8@POSIX ' | alias ENGLISH='LANG=C.UTF-8 ' |

#30 2026-06-06 00:59:31

qxbash
Member
Registered: 2026-05-11
Posts: 16

Re: Kernel Panic and system freezes with 4x16 DDR5

I ran another 9+ hour memtest overnight and received over 19,000 fails on a memory address. This occurred heavily around the 90 minute mark(s).

Although I should've done it sooner, I am in the process of RMAing all 4 of my ram modules.

I will update as soon as I can test the new DIMMs

Here are the memtest results:

https://imgur.com/a/mpBEHDs

Last edited by qxbash (2026-06-06 01:00:33)

#31 2026-06-06 06:22:45

seth
Member
From: Won't reply 2 private help req
Registered: 2012-09-03
Posts: 76,891

Re: Kernel Panic and system freezes with 4x16 DDR5

DIMM is 66°C at this point?
Can you do something to physically keep the system cooler (open it and blow a room fan at it)?

#32 2026-06-08 15:22:17

xerxes_
Member
Registered: 2018-04-29
Posts: 1,065

Re: Kernel Panic and system freezes with 4x16 DDR5

It would be interesting if you reboot before 90 minutes time limit hit for crash - would you gain next 90 minutes or not?

Disable all power saving options in bios.

#33 Today 19:57:00

qxbash
Member
Registered: 2026-05-11
Posts: 16

Re: Kernel Panic and system freezes with 4x16 DDR5

Hello everyone. After a pretty long wait, I ended up receiving 4 new DIMMs from TeamGroup.

It seemed to fix the issue of freezing, there was indeed bad blocks on the old ram.

Thank you all again for helping me with troubleshooting.