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List:       linuxbios
Subject:    [coreboot] [coreboot - Bug #343] Fails to load GRUB payload: CPU Index 0 - APIC 0 Unexpected Excepti
From:       Arthur Heymans <coreboot () fe80 ! eu>
Date:       2022-05-10 13:33:37
Message-ID: redmine.journal-923.20220510133337.700 () fe80 ! eu
[Download RAW message or body]

Issue #343 has been updated by Arthur Heymans.





Bisected. 4ea7bae51f97e49c84dc67ea30b466ca8633b9f6 is the culprit in grub.



----------------------------------------

Bug #343: Fails to load GRUB payload: CPU Index 0 - APIC 0 Unexpected Exception:6 @ 10:00009016 - Halting

https://ticket.coreboot.org/issues/343#change-923



* Author: Paul Menzel

* Status: New

* Priority: Normal

* Start date: 2022-03-30

----------------------------------------

coreboot emulation/qemu-i440fx is unable to load GRUB payload. It works with SeaBIOS.



```

FMAP REGION: COREBOOT

Name                           Offset     Type           Size   Comp

cbfs master header             0x0        cbfs header        32 none

fallback/romstage              0x80       stage           21944 none

fallback/ramstage              0x56c0     stage           62048 LZMA (139536 decompressed)

config                         0x14980    raw               428 none

revision                       0x14b80    raw               716 none

build_info                     0x14e80    raw               112 none

fallback/dsdt.aml              0x14f40    raw              4044 none

cmos_layout.bin                0x15f40    cmos_layout       640 none

fallback/postcar               0x16200    stage           23328 none

fallback/payload               0x1bd80    simple elf     460906 none

(empty)                        0x8c640    null          3603556 none

bootblock                      0x3fc2c0   bootblock       15104 none

```



```

[…]

[NOTE ]  coreboot-4.16-415-ga84c00c9ce Wed Mar 30 01:18:14 UTC 2022 ramstage starting (log level: 7)...

[…]

[INFO ]  Timestamp - selfboot jump: 965162845

[EMERG]  CPU Index 0 - APIC 0 Unexpected Exception:6 @ 10:00009016 - Halting

[EMERG]  Code: 0 eflags: 00010002 cr2: 00000000

[EMERG]  eax: 00000000 ebx: 3ffbdc18 ecx: 0001ac27 edx: 000000ff

[EMERG]  edi: 3ffbdc00 esi: 3ffbdbf0 ebp: 000001e4 esp: 3ffc3fbc



[EMERG]  0x00008fd0:	00 00 00 00 00 00 00 00 

[EMERG]  0x00008fd8:	00 00 00 00 00 00 00 00 

[EMERG]  0x00008fe0:	00 00 00 00 00 00 00 00 

[EMERG]  0x00008fe8:	00 00 00 00 00 00 00 00 

[EMERG]  0x00008ff0:	00 00 00 00 00 00 00 00 

[EMERG]  0x00008ff8:	00 00 00 00 00 00 00 00 

[EMERG]  0x00009000:	52 52 68 27 ac 01 00 6a 

[EMERG]  0x00009008:	0b e8 5e cd 00 00 83 c4 

[EMERG]  0x00009010:	10 a0 00 00 00 00 0f 0b 

[EMERG]  0x00009018:	51 51 68 6a a2 01 00 6a 

[EMERG]  0x00009020:	0b e8 46 cd 00 00 83 c4 

[EMERG]  0x00009028:	10 eb e6 90 bc f0 ff 07 

[EMERG]  0x00009030:	00 e9 c7 d7 00 00 66 90 

[EMERG]  0x00009038:	02 b0 ad 1b 02 00 00 00 

[EMERG]  0x00009040:	fc 4f 52 e4 55 57 56 53 

[EMERG]  0x00009048:	83 ec 1c 8b 5c 24 30 8b 

[EMERG]  0x3ffc4038:	0x00000002

[EMERG]  0x3ffc4034:	0x00000003

[EMERG]  0x3ffc4030:	0x00000000

[EMERG]  0x3ffc402c:	0x00000000

[EMERG]  0x3ffc4028:	0x00000000

[EMERG]  0x3ffc4024:	0x00000000

[EMERG]  0x3ffc4020:	0x00000000

[EMERG]  0x3ffc401c:	0x00000000

[EMERG]  0x3ffc4018:	0x00000000

[EMERG]  0x3ffc4014:	0x00000000

[EMERG]  0x3ffc4010:	0x00000000

[EMERG]  0x3ffc400c:	0x00000000

[EMERG]  0x3ffc4008:	0x00000000

[EMERG]  0x3ffc4004:	0x00000000

[EMERG]  0x3ffc4000:	0x00000000

[EMERG]  0x3ffc3ffc:	0x00000000

[EMERG]  0x3ffc3ff8:	0x3ffbd4e8

[EMERG]  0x3ffc3ff4:	0xdeadbeef

[EMERG]  0x3ffc3ff0:	0xdeadbeef

[EMERG]  0x3ffc3fec:	0x3ff9e061

[EMERG]  0x3ffc3fe8:	0x3ffa1f19

[EMERG]  0x3ffc3fe4:	0x00018f20

[EMERG]  0x3ffc3fe0:	0x3ffdcfd4

[EMERG]  0x3ffc3fdc:	0x3ffc4000

[EMERG]  0x3ffc3fd8:	0x3ffd63ac

[EMERG]  0x3ffc3fd4:	0x00000000

[EMERG]  0x3ffc3fd0:	0x3ffa1fe5

[EMERG]  0x3ffc3fcc:	0x3ffa2139

[EMERG]  0x3ffc3fc8:	0x3ffbdc24

[EMERG]  0x3ffc3fc4:	0x3ffa4303

[EMERG]  0x3ffc3fc0:	0x3ff95000

[EMERG]  0x3ffc3fbc:	0x3ffac8e4 <-esp

```



---Files--------------------------------

coreboot.log (17.2 KB)





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