$ lspci -b 00:00.0 Host bridge: ALi Corporation M1695 K8 Northbridge [PCI Express and HyperTransport] 00:01.0 PCI bridge: ALi Corporation PCI Express Root Port 00:02.0 PCI bridge: ALi Corporation PCI Express Root Port 00:03.0 PCI bridge: ALi Corporation PCI Express Root Port 00:04.0 Host bridge: ALi Corporation M1689 K8 Northbridge [Super K8 Single Chip] 00:05.0 PCI bridge: ALi Corporation AGP8X Controller 00:06.0 PCI bridge: ALi Corporation M5249 HTT to PCI Bridge 00:07.0 ISA bridge: ALi Corporation M1563 HyperTransport South Bridge (rev 70) 00:07.1 Bridge: ALi Corporation M7101 Power Management Controller [PMU] 00:08.0 Multimedia audio controller: ALi Corporation M5455 PCI AC-Link Controller Audio Device (rev 20) 00:11.0 Ethernet controller: ALi Corporation ULi 1689,1573 integrated ethernet. (rev 40) 00:12.0 IDE interface: ALi Corporation M5229 IDE (rev c7) 00:13.0 USB Controller: ALi Corporation USB 1.1 Controller (rev 03) 00:13.1 USB Controller: ALi Corporation USB 1.1 Controller (rev 03) 00:13.2 USB Controller: ALi Corporation USB 1.1 Controller (rev 03) 00:13.3 USB Controller: ALi Corporation USB 2.0 Controller (rev 01) 00:18.0 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] HyperTransport Technology Configuration 00:18.1 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] Address Map 00:18.2 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] DRAM Controller 00:18.3 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] Miscellaneous Control 01:00.0 VGA compatible controller: ATI Technologies Inc RV370 [Sapphire X550 Silent] 01:00.1 Display controller: ATI Technologies Inc RV370 secondary [Sapphire X550 Silent] 03:00.0 SATA controller: JMicron Technologies, Inc. JMicron 20360/20363 AHCI Controller
and in the xorg.conf BusID 1:5:0 ----> Agp controller no BusID 1:0:0 ----> vga compatible controller (PCI-Express) -- restricted-manager picks wrong BusID for video cards https://launchpad.net/bugs/91036 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
