[BUG] Disk errors when installing programs under WFW 3.11

Discussion of development and patch submission.
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win2kgamer
Posts: 74
Joined: Sun 09 Nov, 2014 12:24 am

[BUG] Disk errors when installing programs under WFW 3.11

Post by win2kgamer »

In PCem v17, occasional "Cannot read from drive A" messages appear when installing programs from floppy under Windows for Workgroups 3.11:
Screenshot from 2020-12-09 16-27-26.png
Screenshot from 2020-12-09 16-27-26.png (12 KiB) Viewed 4825 times
Screenshot from 2020-12-09 16-49-26.png
Screenshot from 2020-12-09 16-49-26.png (17.49 KiB) Viewed 4825 times
Clicking on "Retry" once will allow the installation to continue in every occurrence I have seen.

I have not been able to get similar errors to occur under pure DOS. I can reproduce this in v16 as well.

This issue could be related: http://www.pcem-emulator.co.uk/phpBB3/v ... f=3&t=3435.

Machine configuration:
Machine: [486] AMI 486 clone
CPU: Intel 486DX2/66
Memory: 8MB
Video: S3 Trio64
HDD: 504MB IDE
FDD: 3.5" 1.44M
Mouse: Microsoft 2-button serial
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MiraiMiracle
Posts: 53
Joined: Fri 06 Jul, 2018 4:42 pm

Re: [BUG] Disk errors when installing programs under WFW 3.11

Post by MiraiMiracle »

Is this a bug from PCem version 15? I saw this error message than I'm trying to insert the floppy disk a while ago.: https://pcem-emulator.co.uk/phpBB3/view ... 08&p=13272
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win2kgamer
Posts: 74
Joined: Sun 09 Nov, 2014 12:24 am

Re: [BUG] Disk errors when installing programs under WFW 3.11

Post by win2kgamer »

Likely a separate issue, I just did two floppy software installs under Windows 95 OSR2 (the 5 disks for Micrografx Picture Publisher 5.0 and the 24 disks of Office 4.3c) and didn't run into that issue at all - this issue seems to only affect Windows 3.1x and some UNIXes (Possibly Windows 3.0 as well).
hexie
Posts: 3
Joined: Thu 31 Aug, 2017 4:57 am

Re: [BUG] Disk errors when installing programs under WFW 3.11

Post by hexie »

I saw the same problem when I was installing software from A:\ on Windows 3.11.
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ruben_balea
Posts: 191
Joined: Mon 08 May, 2017 11:24 pm
Location: Spain

Re: [BUG] Disk errors when installing programs under WFW 3.11

Post by ruben_balea »

I've experienced the same on PCem v15 and/or v16 with AMI 486 clone and AMI WinBIOS 486 clone machines.
El DOS
Posts: 2
Joined: Wed 21 Apr, 2021 10:35 pm

Re: [BUG] Disk errors when installing programs under WFW 3.11

Post by El DOS »

It's probably not limited to WFW 3.11 - I had seen filesystem damage while copying large amount of data in DOS, using the DOS Navigator (and it did run flawlessly within DOSBox).
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