Description: Kernel logs reports the following Firmware bug: [...] Aug 12 08:16:43 tiamat kernel:[Firmware Bug]: AMD-Vi: IOAPIC[9] not in IVRS table Aug 12 08:16:43 tiamat kernel: [Firmware Bug]: AMD-Vi: IOAPIC[10] not in IVRS table Aug 12 08:16:43 tiamat kernel: [Firmware Bug]: AMD-Vi: No southbridge IOAPIC found Aug 12 08:16:43 tiamat kernel: AMD-Vi: Disabling interrupt remapping [...] Additional info: My motherboard is ASUS Crosshair V with an AMD-FX 8200. with IOACPI Enabled. Inside the BIOS there's also IOACPI Mode which I can set to 'Disabled' or '64Mb'. In both cases the error occurs. If I disable the IOACPI complete my PC freeze - no keyboard input. Kernel package version ~$ pacman -Qi linux Name : linux Version : 3.15.8-1 Description : The Linux kernel and modules Architecture : x86_64 URL : http://www.kernel.org/ Licenses : GPL2 linux-firmware package: $ pacman -Qi linux-firmware Name : linux-firmware Version : 20140603.a4f3bc0-1 Description : Firmware files for Linux Architecture : any URL : http://git.kernel.org/?p=linux/kernel/git/firmware/linux-firmware.git;a=summary Licenses : GPL2 GPL3 custom Steps to reproduce: Reboot Archlinux reference bug: https://bugs.archlinux.org/task/41534
If this is wrong category apologies - didn't know what to pick.
Firmware bugs in this case are referring to the BIOS. The kernel is discovering the BIOS tables appear to be bogus and warning you. It'll do it's best to work around these anyway