Jammy verification: 1- Make sure the system is running an AMD epyc CPU with the 5.15 kernel in proposed for jammy, and that kdump is enabled:
ubuntu@bomberto:~$ cat /etc/os-release | grep VERSION VERSION_ID="22.04" VERSION="22.04.5 LTS (Jammy Jellyfish)" VERSION_CODENAME=jammy ubuntu@bomberto:~$ kdump-config show DUMP_MODE: kdump USE_KDUMP: 1 KDUMP_COREDIR: /var/crash crashkernel addr: 0x /var/lib/kdump/vmlinuz: symbolic link to /boot/vmlinuz-5.15.0-127-generic kdump initrd: /var/lib/kdump/initrd.img: symbolic link to /var/lib/kdump/initrd.img-5.15.0-127-generic current state: ready to kdump kexec command: /sbin/kexec -p --command-line="BOOT_IMAGE=/boot/vmlinuz-5.15.0-127-generic root=UUID=9502b5f6-5bc4-4d9c-a4e7-be0acb73fa48 ro panic=20 reset_devices systemd.unit=kdump-tools-dump.service nr_cpus=1 irqpoll nousb" --initrd=/var/lib/kdump/initrd.img /var/lib/kdump/vmlinuz ubuntu@bomberto:~$ apt list linux-generic Listing... Done linux-generic/jammy-proposed,now 5.15.0.127.126 amd64 [installed] N: There are 3 additional versions. Please use the '-a' switch to see them. ubuntu@bomberto:~$ cat /proc/cpuinfo | grep EPYC model name : AMD EPYC 7413 24-Core Processor ... 2- causing a kernel panic: ubuntu@bomberto:~$ sudo su root@bomberto:/home/ubuntu# echo c > /proc/sysrq-trigger 3- After reboot we can see that no warning are printed in dmesg: ubuntu@bomberto:~$ sudo dmesg | grep WARNING ubuntu@bomberto:~$ ** Tags removed: verification-needed-jammy-linux ** Tags added: verification-done-jammy-linux -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2080378 Title: IOMMU warnings on AMD systems after booting into kdump kernel To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2080378/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
