[Expired for linux (Ubuntu) because there has been no activity for 60
days.]
** Changed in: linux (Ubuntu)
Status: Incomplete => Expired
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https://bugs.launchpad.net/bugs/2090994
Title:
Seeing OS hang after running 300+ reboot loops on Turin with MI210
GPUs
Status in linux package in Ubuntu:
Expired
Bug description:
1. Run a rebooter script on Turin blade with AMD GPU MI210 installed
in Gdale
Result: After 300+ reboots OS (Ubuntu) hangs (see image attached)
Rebooting OS will fix an issue.
Seen on multiple blade setups. No hangs observer with less than 300
loops so far.
Here is a Linux grub workaround provided by AMD (also see image
attached):
Please disable 5-level page tables. Here is how to do it:
1. Open the GRUB configuration file: sudo nano /etc/default/grub
2. Add no5lvl to the list of parameters: GRUB_CMDLINE_LINUX="... no5lvl"
3. Add add iommu=pt to GRUB_CMDLINE_LINUX_DEFAULT
4. Update GRUB: sudo update-grub
5. Reboot the system.
Ubuntu OS version used here is 22.04
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