Error with tiano payload - coreboot

10 Jul 2018


      Hi,
I get the next traces when I try to boot a coreboot rom with tiano payload. I've configured
framebuffer graphics resolution (800x600 16.8M-color (8:8:8))
Jumping to boot code at 00800800(8fe0e000)
CPU0: stack: 8ff1f000 - 8ff20000, lowest used address 8ff1f5d0, stack used: 2608 bytes
!!!! X64 Exception Type - 00(#DE - Divide Error)  CPU Apic ID - 00000010 !!!!
RIP  - 000000008F5D4FCB, CS  - 0000000000000038, RFLAGS - 0000000000010256
RAX  - 0000000000000000, RCX - 000000008F598818, RDX - 0000000000000000
RBX  - 000000008F59A418, RSP - 000000008FDAC560, RBP - 000000008FDAC6C8
RSI  - 0000000000000000, RDI - 0000000000000024
R8   - 0000000000000000, R9  - 000000008F59A45F, R10 - 00000000000000AC
R11  - 000000008F598270, R12 - 000000008F59A2B0, R13 - 000000008F820C90
R14  - 0000000000000000, R15 - 0000000000000001
DS   - 0000000000000030, ES  - 0000000000000030, FS  - 0000000000000030
GS   - 0000000000000030, SS  - 0000000000000030
CR0  - 0000000080000011, CR2 - 0000000000000000, CR3 - 000000008FB8C000
CR4  - 0000000000000628, CR8 - 0000000000000000
DR0  - 0000000000000000, DR1 - 0000000000000000, DR2 - 0000000000000000
DR3  - 0000000000000000, DR6 - 00000000FFFF0FF0, DR7 - 0000000000000400
GDTR - 000000008FB79718 0000000000000047, LDTR - 0000000000000000
IDTR - 000000008F90D018 0000000000000FFF,   TR - 0000000000000000
FXSAVE_STATE - 000000008FDAC1C0
!!!! Find PE image /mnt/develop/bettong/coreboot/master/coreboot_tpm2/payloads/external/tianocore/tianocore/Build/CorebootPayloadPkgX64/RELEASE_COREBOOT/X64/CorebootPayloadPkg/FbGop/FbGop/DEBUG/FbGop.dll (ImageBase=000000008F5D4000, EntryPoint=000000008F5D5F7D) !!!!
When configured with 800x600 32k-color (1:5:5:5) or 800x600 64k-color (5:6:5) I get
Jumping to boot code at 00800800(8fe0e000)
CPU0: stack: 8ff1f000 - 8ff20000, lowest used address 8ff1f5d0, stack used: 2608 bytes
and boots ok. The graphic console is corrupted until the Xorg is running but the board boots...
Any hint is welcome!
Regards
Jorge