DSI on update

v0.3
FE+Updates qemu (amigaone)

DSI if lists or packages directories are missing from APT: assign. Attached image shows crash happening when packages directory exists, but lists does not exist.

Crash happens when using 'apt update' from shell.

> [HAL_DfltTrapHandler] *** Warning: Fatal exception in task 0x61627350 (Shell Process, etask = 0xEFC08300) at ip 0x7F31AB9C
kernel 54.30 (1.1.2021) AmigaOne debug
Machine model: 3 (AmigaOne)
Dump of context at 0xEFC073E0
Trap type: DSI exception
Machine State (raw): 0x0000F030
Machine State (verbose): [ExtInt on] [User] [FPU on] [IAT on] [DAT on]
Instruction pointer: 0x7F31AB9C
Crashed process: apt (0x61627350)
DSI verbose error description: Access not allowed by page or BAT protection (protection violation)
Access was a store operation
0: 7F31AB2C 60BC5700 60825528 00000009 00004000 00000000 021C3798 6072A152
8: 732F0000 00000000 7F7F7F7F 01842628 00000FA4 6082BBF8 0000000B 606F39AC
16: 61116CF0 EFC08300 00031FF8 01970000 606F39A8 6162739A 60F44000 7F39E5D4
24: 60814000 60814004 60F44038 7F39E5D4 60F44000 60F44000 6072A148 000001C0
CR: 24842828 XER: 00000000 CTR: 01808B98 LR: 7F31AB88
DSISR: 0A000000 DAR: 6072A151

>FP0 : 0000000082028000 406FF00000000000 3FE999999959554E 3FE0000000000006
FP4 : 0000000000000000 43300000000000FF 3FEFFFEB00000000 BFE5555555555560
FP8 : 0000000000000000 3DDB8FEE00000000 4330000000000010 3FB999999999999A
FP12: 41E0000000000000 3FBB2D0000000000 0000000000000000 0000000000000000
FP16: 0000000000000000 0000000000000000 0000000000000000 0000000000000000
FP20: 0000000000000000 0000000000000000 0000000000000000 0000000000000000
FP24: 0000000000000000 0000000000000000 0000000000000000 0000000000000000
FP28: 0000000000000000 0000000000000000 0000000000000000 0000000000000000
FPSCR: 82028000

>Kernel command line: serial debuglevel=1 serialdebug

>Registers pointing to code:
r0 : module LIBS:clib4.library at 0x7F31AB2C (section 0 @ 0x3AB08)
r2 : module apt at 0x60825528 (section 11 @ 0x1344)
r6 : native kernel module kernel.debug+0x009c3798
r7 : module apt at 0x6072A152 (section 1 @ 0x12E)
r10: module apt at 0x7F7F7F7F (section 0 @ 0x462F5B)
r11: native kernel module kernel.debug+0x00042628
r13: module apt at 0x6082BBF8 (section 11 @ 0x7A14)
r19: native kernel module dos.library.kmod+0x0002a100
r23: module apt at 0x7F39E5D4 (section 0 @ 0x95B0)
r24: module apt at 0x60814000 (section 3 @ 0xFFFFFFDC)
r25: module apt at 0x60814004 (section 3 @ 0xFFFFFFE0)
r27: module apt at 0x7F39E5D4 (section 0 @ 0x95B0)
r30: module apt at 0x6072A148 (section 1 @ 0x124)
ip : module LIBS:clib4.library at 0x7F31AB9C (section 0 @ 0x3AB78)
lr : module LIBS:clib4.library at 0x7F31AB88 (section 0 @ 0x3AB64)
ctr: native kernel module kernel.debug+0x00008b98

>Stack trace:
(0x60BC5700) module LIBS:clib4.library at 0x7F31AB9C (section 0 @ 0x3AB78)
(0x60BC5B30) module LIBS:clib4.library at 0x7F31AB88 (section 0 @ 0x3AB64)
(0x60BC5B90) module apt at 0x7F39E808 (section 0 @ 0x97E4)
(0x60BC5E50) module LIBS:clib4.library at 0x7F331FFC (section 0 @ 0x51FD8)
(0x60BC5E90) module LIBS:clib4.library at 0x7F3320DC (section 0 @ 0x520B8)
(0x60BC5EC0) module LIBS:clib4.library at 0x7F2E2158 (section 0 @ 0x2134)
(0x60BC5F00) module apt at 0x7F396DC4 (section 0 @ 0x1DA0)
(0x60BC5F60) apt:_start()+0x30 (section 1 @ 0x1F08)
(0x60BC5F90) native kernel module dos.library.kmod+0x0002a458
(0x60BC5FC0) native kernel module kernel.debug+0x00084110
(0x60BC5FD0) native kernel module kernel.debug+0x00084188

>Disassembly of crash site:
7F31AB8C: 7D3E18AE lbzx r9,r30,r3
7F31AB90: 2C09002F cmpwi r9,47
7F31AB94: 40A2000C bne+ 0x7F31ABA0
7F31AB98: 39200000 li r9,0
>7F31AB9C: 7D3E19AE stbx r9,r30,r3
7F31ABA0: 3F8060C2 lis r28,24770
7F31ABA4: 7FC4F378 mr r4,r30
7F31ABA8: 807C053C lwz r3,1340(r28)
7F31ABAC: 81230088 lwz r9,136(r3)
7F31ABB0: 7D2903A6 mtctr r9
Stack pointer (0x60BC5700) is inside bounds
Redzone is OK (4)

>68k register dump
DATA: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
ADDR: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
Page information:
Page 0xEFBB0968:
Virtual Address: 0x6072A000
Physical Address: 0x11880000
Lock count: 1
Flags (0x106): (Swappable) (NonCache) (Mapped)
Protection bits (0x0): (super state only)
Page is assigned to VMArea primary heap