map+chainloader not working with non-contiguous file

[steve6375]

File is on a FAT32 partition

[steve6375]

errorcheck is on
debug is 1

[yaya2007]

debug=3试一试

[steve6375]

I thought map now supported non-contiguous files now?

[yaya2007]

现在map支持非连续文件.
不清楚为什么会返回磁盘读错误.

[steve6375]

If I make the iso contiguous then it boots ok.

Here is another file which also has same issue - this time on an NTFS partition

[steve6375]

map command does not fail

older version works

[steve6375]

2019-08-09 OK
2019-09-09 OK (E2B v1.B6)

2019-10-28 FAIL (E2B v1.B7)
2019-12-30 FAIL
2020-01-28 FAIL

[steve6375]

No \menu.lst file.
File is on an NTFS volume.

[steve6375]

[yaya2007]

Send the screenshot of BPb table of FAT32 partition

[steve6375]

I have the same issue with several files on two different USB drives.
Also one file was on a FAT32 volume and other files are on an NTFS volume.
I don't think it is anything to do with BPB or FAT or NTFS.
If I make the file contiguous then there is no error.
So it only happens on non-contiguous files.
Bug was introduced in 2019-10-28 version.

[steve6375]

Differences.

???

[steve6375]

or maybe changes in
fsys_iso9660.c ????

[steve6375]

Can you reproduce the problem?

[yaya2007]

试一试
grldr.rar.txt

[steve6375]

grubfm.iso on FAT32 (2 fragments) OK
Win10_1909_64.iso on NTFS (4 fragments) OK
(both fail on previous versions)

[steve6375]

BobOmbs.iso on NTFS (4 fragments 3GB) OK

[steve6375]

Will you do a release version soon?

[steve6375]

Thank you! Great work. It looked like a lot of changes! 💯

[steve6375]

What happened to the release version? Was there a bug?
Why has it been removed?

[a1ive]

What happened to the release version? Was there a bug?
Why has it been removed?

http://bbs.wuyou.net/forum.php?mod=viewthread&tid=419164&extra=

[h8nor]

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