[SeaBIOS] WD Elements hang SeaBIOS at boot with "call16 with invalid stack"
Tobias Diedrich
tobiasdiedrich at gmail.com
Wed Dec 23 19:13:27 CET 2015
Wcall16 with invalid stack: eax=dfbf3e62 edx=0 func=0x000f9563 esp=dfbf3e50
ret=0x000f2304
│.text:000F22C8 sub_F22C8 proc near ; CODE XREF:
sub_F2309+2Cvp
▒
│.text:000F22C8 ; sub_F2309+35vj
▒
│.text:000F22C8
▒
│.text:000F22C8 var_2A = byte ptr -2Ah
▒
│.text:000F22C8 var_1A = byte ptr -1Ah
▒
│.text:000F22C8 var_E = byte ptr -0Eh
▒
│.text:000F22C8 var_D = byte ptr -0Dh
▒
│.text:000F22C8 var_6 = word ptr -6
▒
│.text:000F22C8
▒
│.text:000F22C8 push ebx
▒
│.text:000F22C9 sub esp, 28h
▒
│.text:000F22CC mov ebx, eax
▒
│.text:000F22CE mov ecx, 26h
▒
│.text:000F22D3 xor edx, edx
▒
│.text:000F22D5 lea eax, [esp+2Ch+var_2A]
▒
│.text:000F22D9 call sub_F1BA0
▒
│.text:000F22DE mov [esp+2Ch+var_6], 200h
▒
│.text:000F22E5 mov [esp+2Ch+var_D], 0Eh
▒
│.text:000F22EA mov [esp+2Ch+var_E], bl
·
│.text:000F22EE mov [esp+2Ch+var_1A], 7
▒
│.text:000F22F3 mov edx, offset word_FD2EA
▒
│.text:000F22F8 movzx edx, dx
▒
│.text:000F22FB lea eax, [esp+2Ch+var_2A]
▒
│.text:000F22FF call sub_F22A6
▒
│.text:000F2304 add esp, 28h
▒
│.text:000F2307 pop ebx
▒
│.text:000F2308 retn
▒
│.text:000F2308 sub_F22C8 endp
▒
00001ba0 R_386_PC32 .text.pci_probe_devices
.text.asm.irq_trampoline_0x10 0xd2ea : { *(.text.asm.irq_trampoline_0x10) }
On Wed, Dec 23, 2015 at 6:55 PM, Kevin O'Connor <kevin at koconnor.net> wrote:
> 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);
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://www.seabios.org/pipermail/seabios/attachments/20151223/68fb9666/attachment-0001.html>
More information about the SeaBIOS
mailing list