Virtio9PFS-handler v0.7.0-beta released

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derfs

Posted on: Yesterday 11:44 #1

Not too shy to talk

Current working release of Virtio9PFS-handler - https://os4depot.net/?function=showfil ... er/handler/virtio9pfs.lha

New beta of Virtio9PFS-handler has been released at https://github.com/derfsss/Virtio9PFS- ... /releases/tag/v0.7.0-beta

Be warned - This software is beta and may not work correctly, so please let me know of any issues you get.

About Virtio9PFS-handler

A FileSysBox-based handler for AmigaOS 4.1 FE that mounts QEMU host-shared folders as DOS volumes via the VirtIO 9P (9P2000.L) protocol.

When running AmigaOS under QEMU with a -virtfs shared folder, this handler presents the host directory as a native AmigaOS volume (e.g. SHARED:). You can browse, copy, create, rename, and delete files on the host filesystem directly from Workbench or the Shell.

Edited by derfs on 2026/3/26 14:17:20
Edited by derfs on 2026/3/26 14:26:52
Edited by derfs on 2026/3/27 16:05:52
Edited by derfs on 2026/3/27 16:07:27

smarkusg

Re: Virtio9PFS-handler v0.0.5-beta released

Posted on: Yesterday 12:36 #2

Quite a regular

@derfs
System crashes on restart/shutdown
Tested on A1 and PEG2
Version 0.4 works correctly.


Machine model: 3 (AmigaOne)

Dump of context at 0xEFED1BA0

Trap type: DSI exception

Machine State (raw): 0x0200F030

Machine State (verbose): [ExtInt on] [User] [FPU on] [IAT on] [DAT on] 

Instruction pointer: 0x7FDCBB08

Crashed process: Workbench (0x6C22CCA0)

DSI verbose error description: Access not found in hash or BAT (page fault)

Access was a load operation

 0: 7FDC22A4 6C179C90 00000000 6C5FFF50 00000000 00000000 6C8A6CA8 00000000

 8: 7FF4D4B0 00000000 6C560000 01796598 000007A8 00000000 00000000 00000000

16: 00000000 6C58AA58 6FF1A5BC 6FF1A570 6FF1A578 7FF2CF24 6FF18D16 6FF19C52

24: 6FF18CD2 00000000 6C840900 6C22CD34 6C505090 6C5FFF50 6C22CD34 6C8A6BC0

CR: 24024228   XER: 00000000  CTR: 7FDCBB00  LR: 7FDC1F54

DSISR: 40000000  DAR: 00000014



FP0 : 0000000082004000 406FF00000000000 3FE999999959554E 3FE0000000000006

FP4 : 0000000000000000 BFF2495B9B4845E9 3FEFFFEB00000000 4050000000000000

FP8 : 4050000000000000 3FF0000000000000 43300000000000FF 406FE00000000000

FP12: 40F0000000000000 4330000000000100 0000000000000000 0000000000000000

FP16: 0000000000000000 0000000000000000 0000000000000000 0000000000000000

FP20: 0000000000000000 0000000000000000 0000000000000000 0000000000000000

FP24: 0000000000000000 0000000000000000 0000000000000000 0000000000000000

FP28: 0000000000000000 0000000000000000 0000000000000000 0000000000000000

FPSCR: 82004000



V0 : 00000000000000000000000000000000 EE12E818EB15F20EED13ED13EE12E61A

V2 : E4EEEBE8EEEBE8F2F0EDF1EDEAEEEAE6 EDEAF0EDE9F2EFECF1EDEAEFEBE7EDEA

V4 : 01000100010001000100010001000100 00000000000000000000000000000000

V6 : ED13F010E917EF11F10FEA16EB15ED13 FF000000FF000000FF000000FF000000

V8 : 101112131415161718191A1B1C1D1E1F E4EEEBE8EEEBE8F2F0EDF1EDEAEEEAE6

V10: 001002120414061608180A1A0C1C0E1E 01000100010001000100010001000100

V12: 01000100010001000100010001000100 00000020000000200000002000000020

V14: EA16ED13F20EEC14ED13EF11E719EA16 FFDEDBDEF1F0EEEAE7F2EFECEEEAE6F0

V16: DD22DD22EF10E916F10EEB14E916EF10 EDEAF0EDE9F2EFECF1EDEAEFEBE7EDEA

V18: FE01DA25F00FED12E619EE11ED12E51A ED12E718EA15F10EEC13EC13ED12E51A

V20: 00000000000000000000000000000000 00000000000000000000000000000000

V22: 00000000000000000000000000000000 00000000000000000000000000000000

V24: 00000000000000000000000000000000 00000000000000000000000000000000

V26: 00000000000000000000000000000000 00000000000000000000000000000000

V28: 00000000000000000000000000000000 00000000000000000000000000000000

V30: 00000000000000000000000000000000 00000000000000000000000000000000

VSCR: 00000000 VRSAVE: 00000000



Kernel command line: debuglevel=7 serial







Machine model: 5 (Pegasos II)

Dump of context at 0xEFDCABA0

Trap type: DSI exception

Machine State (raw): 0x0200F030

Machine State (verbose): [ExtInt on] [User] [FPU on] [IAT on] [DAT on] 

Instruction pointer: 0x7FD06B08

Crashed process: Workbench (0x66B9E6C0)

DSI verbose error description: Access not found in hash or BAT (page fault)

Access was a load operation

 0: 7FCFD2A4 66AE1C20 00000000 66E74F50 00000000 00000000 6952A0E8 00000000

 8: 7FF24914 00000000 66F90000 01B8AC78 000007A8 00000000 6FF2012C 6FF20178

16: 6FF20134 694F121C 6FF1E8D2 6FF1E88E 80000000 695E0000 66AE1E36 6FF1F80E

24: 66BA1D80 00000000 66F952E0 66B9E754 66FB43A0 66E74F50 66B9E754 6952A000

CR: 24024228   XER: 00000000  CTR: 7FD06B00  LR: 7FCFCF54

DSISR: 40000000  DAR: 00000014



FP0 : 0000000082008000 4076300000000000 0000000000000000 0000000000000000

FP4 : 0000000000000000 0000000000000000 0000000000000000 4050000000000000

FP8 : 4050000000000000 3FF0000000000000 4050000000000000 4050000000000000

FP12: 4070000000000000 4330000000000100 0000000000000000 0000000000000000

FP16: 0000000000000000 0000000000000000 0000000000000000 0000000000000000

FP20: 0000000000000000 0000000000000000 0000000000000000 0000000000000000

FP24: 0000000000000000 0000000000000000 0000000000000000 0000000000000000

FP28: 0000000000000000 0000000000000000 0000000000000000 0000000000000000

FPSCR: 82008000



V0 : 00000000000000000000000000000000 3DA63DAE3DA63DAE3DA63DAE3DA63DAE

V2 : 01000100010001000100010001000100 FFADC7EFFFA5C7EFFF010101FFCECBCE

V4 : FF01CB35FF0104FCFF0104FCFF01C43C 00000000000000000000000000000000

V6 : FF01C739FF01C739FF0101FFFF01CB35 FF000000FF000000FF000000FF000000

V8 : 07E007E007E007E007E007E007E007E0 F81FF81FF81FF81FF81FF81FF81FF81F

V10: 020006000A000E00120016001A001E00 0C0D0E0F101112131415161718191A1B

V12: 06200620062006200620062006200620 FFADC7EFFFA5C7EFFFADC7EFFFA5C7EF

V14: AD53EF11A55BEF1101FF01FFCE32CE32 FFADC7EFFFA5C7EFFFADC7EFFFA5C7EF

V16: AC53EE11A45BEE11AC53EE11A45BEE11 FFADC7EFFFA5C7EFFF010101FFCECBCE

V18: 01000100010001000100010001000100 FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF

V20: 00000000000000000000000000000000 00000000000000000000000000000000

V22: 00000000000000000000000000000000 00000000000000000000000000000000

V24: 00000000000000000000000000000000 00000000000000000000000000000000

V26: 00000000000000000000000000000000 00000000000000000000000000000000

V28: 00000000000000000000000000000000 00000000000000000000000000000000

V30: 00000000000000000000000000000000 00000000000000000000000000000000

VSCR: 00000000 VRSAVE: 00000000



Kernel command line: os4_commandline serial munge debuglevel=7

derfs

Re: Virtio9PFS-handler v0.0.5-beta released

Posted on: Yesterday 14:18 #3

Not too shy to talk

@smarkusg

Thanks for pointing this out, it was due to one of the extra feature I added and it pointed out several places that needed better error handling!

Link to new version in original post.

smarkusg

Re: Virtio9PFS-handler v0.0.5-beta released

Posted on: Yesterday 23:14 #4

Quite a regular

@derfs
The problem still persists. I reinstalled the system for A1 and updated to UP3.
If you select “Restart System” or “AOS4” from the menu, the system freezes.
If I type “reboot” in the shell, the problem does not occur. Apparently, a reboot from the shell is permanent and does not require closing tasks (I'm guessing).

derfs

Re: Virtio9PFS-handler v0.0.5-beta released

Posted on: Today 16:07 #5

Not too shy to talk

@smarkusg

https://github.com/derfsss/Virtio9PFS- ... /releases/tag/v0.7.0-beta

Quote:

Bug fixes
Fixed shutdown freeze on Restart System — the interrupt handler was being removed from the system chain after FbxCleanupFS replied to DOS. During Restart System, the OS could kill the handler process after that reply but before RemIntServer ran, leaving the stack-allocated ISR node dangling in the interrupt chain. The ISR is now detached before FbxCleanupFS.

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