[coreboot] The OS of open source solution

Stojsavljevic, Zoran zoran.stojsavljevic at intel.com
Wed Oct 9 16:00:03 CEST 2013

Hello Coreboot,

Today I have decided to change strategy, and instead to include GRUB2 as payload, to my 'stick and ropes' crippled Coreboot POC from December 2012... To add rather SeaBIOS.

Here is the pointer to what I did: http://www.coreboot.org/SeaBIOS#Linux
And I almost succeeded to boot to HDD, but when it jumped to it, it stalled (end of serial log)!

I added both VGA and serial support to SeaBIOS, but two things happened:
[1] VGA INT 0x15 does NOT (still) respond and...
[2] Unable to lock ram - bridge not found

Log pytty(2).txt is attached to this email, and end of the log shown/imported at the end of this email.

Please, please, any tips, tricks, observations, advices?

PCI: Using 00:02.0 for primary VGA
WARNING - Unable to allocate resource at wrmsr_smp:31!
WARNING - Unable to allocate resource at wrmsr_smp:31!
WARNING - Unable to allocate resource at wrmsr_smp:31!
Found 1 cpu(s) max supported 1 cpu(s)
MP table addr=0x000f0c00 MPC table addr=0x000f0c10 size=280
SMBIOS ptr=0x000f0be0 table=0x000f0ad0 size=263
XHCI init on dev 00:14.0: regs @ 0xfe820000, 8 ports, 32 slots
XHCI    protocol USB  2.00, 4 ports (offset 1)
XHCI    protocol USB  3.00, 4 ports (offset 5)
XHCI    extcap 0xc1 @ fe828040
XHCI    extcap 0xc0 @ fe828070
XHCI    extcap 0x1 @ fe828330
EHCI init on dev 00:1a.0 (regs=0xfe837020)
EHCI init on dev 00:1d.0 (regs=0xfe838020)
Found 0 lpt ports
Found 1 serial ports
AHCI controller at 1f.2, iobase fe839000, irq 255
Scan for VGA option rom
Scan for option roms

Press F12 for boot menu.

XHCI no devices found
PS2 keyboard initialized
USB keyboard initialized
Initialized USB HUB (1 ports used)
Initialized USB HUB (0 ports used)
Searching bootorder for: /pci at i0cf8/*@1f,2/drive at 0/disk at 0
AHCI/0: registering: "AHCI/0: ST3400633AS ATA-7 Hard-Disk (372 GiBytes)"
All threads complete.
Searching bootorder for: HALT
drive 0x000f0a60: PCHS=16383/16/63 translation=lba LCHS=1024/255/63 s=781422768
Space available for UMB: c0000-ee000, f0000-f0a60
Returned 57344 bytes of ZoneHigh
e820 map has 6 items:
  0: 0000000000000000 - 000000000009fc00 = 1 RAM
  1: 000000000009fc00 - 00000000000a0000 = 2 RESERVED
  2: 00000000000f0000 - 0000000000100000 = 2 RESERVED
  3: 0000000000100000 - 00000000afffe000 = 1 RAM
  4: 00000000afffe000 - 00000000b0000000 = 2 RESERVED
  5: 00000000fffc0000 - 0000000100000000 = 2 RESERVED
Unable to lock ram - bridge not found
enter handle_19:
Booting from Hard Disk...
Booting from 0000:7c00

Thank you,
Most of The Time you should be "intel inside" to be capable to think "out of the box".

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