From 4337a9acaa1fa0eaba409a75a7c9f09c2fa04d21 Mon Sep 17 00:00:00 2001 From: Jonathan Zhang Date: Fri, 31 Jul 2020 17:35:25 -0700 Subject: [PATCH] soc/intel/xeon_sp/cpx: configure STACK_SIZE Before this change, we have this problem (boot log from DeltaLake config A server): Jumping to boot code at 0x00040000(0x755f6000) Stack overrun on CPU0 (address 0x7574a000 overwritten). Increase stack from current 4096 bytes ERROR: BUG ENCOUNTERED at file 'src/lib/stack.c', line 43 Linux version 4.16.18 Configure STACK_SIZE to make it larger to fix above problem. Now, we have this boot log: BS: BS_PAYLOAD_LOAD exit times (exec / console): 326 / 21727 ms Jumping to boot code at 0x00040000(0x752f2000) CPU0: stack: 0x75746000 - 0x7574a000, lowest used address 0x7574681c, stack used: 14308 bytes Linux version 4.16.18 TESTED=booted YV3 config A to target OS. Signed-off-by: Jonathan Zhang Change-Id: Ia04a3ee0cd37177ecab65469855a1cf920742458 Reviewed-on: https://review.coreboot.org/c/coreboot/+/44091 Tested-by: build bot (Jenkins) Reviewed-by: Angel Pons --- src/soc/intel/xeon_sp/cpx/Kconfig | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/src/soc/intel/xeon_sp/cpx/Kconfig b/src/soc/intel/xeon_sp/cpx/Kconfig index 93098e8250..0df9847d22 100644 --- a/src/soc/intel/xeon_sp/cpx/Kconfig +++ b/src/soc/intel/xeon_sp/cpx/Kconfig @@ -56,6 +56,10 @@ config HEAP_SIZE hex default 0x80000 +config STACK_SIZE + hex + default 0x4000 + config FSP_TEMP_RAM_SIZE hex depends on FSP_USES_CB_STACK