Issue #512 has been updated by Andrei Purdea.
A number of libreboot users are also experiencing this, see here: https://codeberg.org/libreboot/lbmk/issues/140 Either disabling Stage Cache, or increasing SMM_RESERVED_SIZE makes the problem go away.
---------------------------------------- Bug #512: 1MiB heap breaks TSEG stage cache resume on many platforms https://ticket.coreboot.org/issues/512#change-1687
* Author: Bill XIE * Status: Needs Testing * Priority: High * Assignee: Patrick Georgi * Category: coreboot common code * Target version: master * Start date: 2023-10-27 * Affected versions: master * Related links: https://review.coreboot.org/c/coreboot/+/78270 https://review.coreboot.org/c/coreboot/+/78623 * Affected hardware: GM45, Ivy Bridge * Affected OS: GNU/Linux ---------------------------------------- commit 44a48ce7a46c ("Kconfig: Bring HEAP_SIZE to a common, large value") proves to break S3 resume from TSEG stage cache on many platforms, including GM45 and Ivy Bridge.
``` coreboot-4.21-587-g9b230ae29557 Fri Oct 13 18:35:11 UTC 2023 x86_32 postcar starting (log level: 7)... Timestamp - start of postcar: 248582576 Timestamp - end of postcar: 248589814 S3 Resume Error: Can't find stage_cache 57a9e100 in imd ramstage cache invalid. board_reset() called! system_reset() called! ```
It seems that the commit above has not experienced many test for S3 resume before getting merged.
The default heap size may have to be reconsidered.