2008/10/16 Myles Watson <[EMAIL PROTECTED]>: >> > >> > The last output on the serial port is: >> > biosint: INT# 0x1a >> > biosint: eax 0xb102 ebx 0xc002e ecx 0xc2067 edx 0xf1022 >> > biosint: ebp 0xcf0d8 esp 0xfe4 edi 0xd0000 esi 0x10000 >> > biosint: ip 0x3246 cs 0xc000 flags 0x46 >> > dev_find_device: find PCI: 1022:2067 >> > Check Root Device >> > Check CPU: 00 >> > Check APIC: 00 >> > Check PCI: 00:01.0 >> > Check PCI: 1022:7462 >> > Check PCI: 1022:7464 >> > Check PCI: 1022:7464 >> > Check PCI: 1022:7464 >> > Check PCI: 1022:7458 >> > Check PCI: 1022:7468 >> > Check PCI: 1022:7469 >> > Check PCI: 1022:746a >> > Check PCI: 1022:746e >> > Check PCI: 1022:746e >> > Check PCI: 1022:746e >> > Check PCI: 1022:1100 >> > Check PCI: 1022:1100 >> > Check PCI: 00:02.0 >> > Check PCI: 1022:1100 >> > Check PCI: 1022:1101 >> > Check PCI: 1022:1102 >> > Check PCI: 1022:1103 >> > Check IOPORT: 2e >> > Check APIC_CLUSTER: 1022:1100 >> > Check PNP: 0000 >> > Check PNP: 0000 >> > Check PNP: 0000 >> > Check PNP: 0000 >> > Check PNP: 0000 >> > Check PNP: 0000 >> > Check PNP: 0000 >> > Check PNP: 0000 >> > Check PNP: 0000 >> > Check PNP: 0000 >> > Check PNP: 0000 >> > Check PCI: 1022:7460 >> > Check PCI: 1022:7468 >> > Check PCI: 1022:7469 >> > Check PCI: 1022:746a >> > Check PCI: 1022:746b >> > Check PCI: 1022:746d >> > Check PCI: 1022:746e >> > Check PCI: 1022:746f >> > Check PCI: 1022:7459 >> > Check PCI: 1022:7458 >> > Check PCI: 1022:7459 >> > Check PCI: 1022:7464 >> > Check PCI: 1022:7464 >> > Check PCI: 1022:7463 >> > Check PCI: 1022:7462 >> > Check PCI: 1022:2067 >> > found >> > 0xb102: return 0x120
the wrong # here? >> >> so that worked. >> >> > biosint: INT# 0x1a >> > biosint: eax 0xb108 ebx 0x120 ecx 0xc2067 edx 0xf1022 >> > biosint: ebp 0xcf0d8 esp 0xfe4 edi 0xd000a esi 0x10000 >> > biosint: ip 0x325a cs 0xc000 flags 0x46 >> > 0xb108: bus 1 devfn 0x20 reg 0xa val 0x0 >> > biosint: INT# 0x1a >> > biosint: eax 0xb109 ebx 0x120 ecx 0x0 edx 0xf1022 >> > biosint: ebp 0xcf0d8 esp 0xfe4 edi 0xd0008 esi 0x10000 >> > biosint: ip 0x3269 cs 0xc000 flags 0x46 >> > 0xb109: bus 1 devfn 0x20 reg 0x8 val 0x3 >> > biosint: INT# 0x1a >> > biosint: eax 0xb10a ebx 0x120 ecx 0x3 edx 0xf1022 >> > biosint: ebp 0xcf0d8 esp 0xfe4 edi 0xd0018 esi 0x10000 >> > biosint: ip 0x3283 cs 0xc000 flags 0x46 >> > 0xb10a: bus 1 devfn 0x20 reg 0x18 val 0x1001 >> > biosint: INT# 0x1a >> > biosint: eax 0xb10a ebx 0x120 ecx 0x1000 edx 0xf1022 >> > biosint: ebp 0xcf0d8 esp 0xfe4 edi 0xd0014 esi 0x100b1 >> > biosint: ip 0x3294 cs 0xc000 flags 0x46 >> > 0xb10a: bus 1 devfn 0x20 reg 0x14 val 0xfe055000 >> > biosint: INT# 0x1a >> > biosint: eax 0xb10a ebx 0x120 ecx 0xfe055000 edx 0xf1022 >> > biosint: ebp 0xcf0d8 esp 0xfe4 edi 0xd0010 esi 0x100ad >> > biosint: ip 0x32a2 cs 0xc000 flags 0x46 >> > 0xb10a: bus 1 devfn 0x20 reg 0x10 val 0xfd000000 >> > biosint: INT# 0x1a >> > biosint: eax 0xb10d ebx 0x120 ecx 0xffffffff edx 0xf1022 >> > biosint: ebp 0xcf0d8 esp 0xfe4 edi 0xd0010 esi 0x100a9 >> > biosint: ip 0x32b3 cs 0xc000 flags 0x46 or here? > It looks like the problem is that coreboot is giving the VGA BIOS the wrong > device number. I don't know why the reads succeed, but the device number > should be 4 for the VGA controller, not 2. When it writes to the > non-existant device, it triple faults. > at what point is it giving the wrong #? nice detective work ron -- coreboot mailing list: [email protected] http://www.coreboot.org/mailman/listinfo/coreboot

