Leaving iommu on and setting it to passthrough also fixes it Kernel command line: BOOT_IMAGE=/boot/vmlinuz-6.8.0-2107347-generic root=/dev/mapper/vgroot-lvroot ro intel_iommu=on iommu=pt 2025-07-08 14:26:20 (358 MB/s)
Kernel command line: BOOT_IMAGE=/boot/vmlinuz-6.8.0-2107347-generic root=/dev/mapper/vgroot-lvroot ro iommu=pt 2025-07-08 14:33:59 (368 MB/s) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2107347 Title: Severe Network Performance Regression with BCM57800/BCM57810 on Kernel 6.8.0-40 through 6.12.16 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2107347/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
