[coreboot - Bug #276] SPI flash console output causes `SMM Handler caused a stack overflow`

[Filip Lewiński]

Issue #276 has been updated by Filip Lewiński.


Paul Menzel wrote:
> On the Lenovo T60 (Type 2007 with dedicated ATI/AMD graphics device), coreboot built with *SPI Flash console output* (`CONFIG_CONSOLE_SPI_FLASH=y`) fails to boot due to a stack overflow:
>
> ```
> FMAP: area COREBOOT found @ 60200 (1703424 bytes)
> CBFS: Locating 'fallback/dsdt.aml'
> CBFS: Found @ offset 39300 size 3138
> FMAP: area COREBOOT found @ 60200 (1703424 bytes)
> CBFS: Locating 'fallback/slic'
> CBFS: 'fallback/slic' not found.
> ACPI: Writing ACPI tables at bfb51000.
> ACPI:    * FACS
> ACPI:    * DSDT
> FMAP: area CONSOLE found @ 0 (131072 bytes)
>
> coreboot-4.12-1529-gaba8103093 Sun Jul 19 07:24:18 UTC 2020 smm starting (log level: 7)...
> canary 0x0 != 0xbfeffc00
> SMM Handler caused a stack overflow
> ```

I've experienced the same with coreboot+EDK2(MrChromeBox) on a Thinkpad T400. If you still have trouble booting the platform, I've somehow managed to bypass it by rebuilding with 64bit mode enabled.

----------------------------------------
Bug #276: SPI flash console output causes `SMM Handler caused a stack overflow`
https://ticket.coreboot.org/issues/276#change-1863

* Author: Paul Menzel
* Status: New
* Priority: Normal
* Start date: 2020-07-19
----------------------------------------
On the Lenovo T60 (Type 2007 with dedicated ATI/AMD graphics device), coreboot built with *SPI Flash console output* (`CONFIG_CONSOLE_SPI_FLASH=y`) fails to boot due to a stack overflow:

```
FMAP: area COREBOOT found @ 60200 (1703424 bytes)
CBFS: Locating 'fallback/dsdt.aml'
CBFS: Found @ offset 39300 size 3138
FMAP: area COREBOOT found @ 60200 (1703424 bytes)
CBFS: Locating 'fallback/slic'
CBFS: 'fallback/slic' not found.
ACPI: Writing ACPI tables at bfb51000.
ACPI:    * FACS
ACPI:    * DSDT
FMAP: area CONSOLE found @ 0 (131072 bytes)


coreboot-4.12-1529-gaba8103093 Sun Jul 19 07:24:18 UTC 2020 smm starting (log level: 7)...
canary 0x0 != 0xbfeffc00
SMM Handler caused a stack overflow
```



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