[SeaBIOS] WD Elements hang SeaBIOS at boot with "call16 with invalid stack"
Kevin O'Connor
kevin at koconnor.net
Wed Dec 23 18:55:32 CET 2015
On Wed, Dec 23, 2015 at 12:51:30PM -0500, Kevin O'Connor wrote:
> On Wed, Dec 23, 2015 at 04:27:55PM +0100, Tobias Diedrich wrote:
> > And with verbose logging (level 8).
> >
> > [...]
> > Wcall16 with invalid stack
>
> Strange. Can you report the output with the patch below?
Using the patch below would be even better.
-Kevin
--- a/src/stacks.c
+++ b/src/stacks.c
@@ -274,7 +274,8 @@ call16(u32 eax, u32 edx, void *func)
{
ASSERT32FLAT();
if (getesp() > MAIN_STACK_MAX)
- panic("call16 with invalid stack\n");
+ panic("call16 with invalid stack eax=%x edx=%x func=%p esp=%x ret=%p\n"
+ , eax, edx, func, getesp(), __builtin_return_address(0));
if (CONFIG_CALL32_SMM && Call16Data.method == C16_SMM)
return call16_smm(eax, edx, func);
More information about the SeaBIOS
mailing list