[Bug 249395] Regression in 12.stable/12.2-beta: sg driver not working for makemkv
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Thu Sep 17 15:08:58 UTC 2020
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=249395
Bug ID: 249395
Summary: Regression in 12.stable/12.2-beta: sg driver not
working for makemkv
Product: Base System
Version: 12.1-STABLE
Hardware: Any
OS: Any
Status: New
Severity: Affects Some People
Priority: ---
Component: kern
Assignee: bugs at FreeBSD.org
Reporter: trueos at norwegianrockcat.com
The Linux-compatible "scsi-generic" driver is not working
in 12-stable when using multimedia/makemkv (a binary-only Linux program); it
never finds a drive/disc, which it does on 12.1.
The problem seems to be MFCs in base r361038.
Steps to reproduce:
0. Build a custom kernel with "device sg" and reboot
1. Install multimedia/makemkv
2. run update-makemkv-drives
3. Insert a blu-ray or DVD film in your DVD/blu-ray drive
4. run (probably as root) makemkvcon info disc:0
When running on 12.1 with base r361038 or later:
sudo makemkvcon info disc:0
MakeMKV v1.15.2 linux(x64-release) started
The program can't find any usable optical drives.
Failed to open disc
Total 0 titles
zsh: segmentation fault sudo makemkvcon info disc:0
What is expected:
When running on a scsi_sc.c before base r361038
sudo makemkvcon info disc:0
MakeMKV v1.15.2 linux(x64-release) started
Using direct disc access mode
Evaluation version, 28 day(s) out of 30 remaining
Loaded content hash table, will verify integrity of M2TS files.
[snip output]
Operation successfully completed
Total 14 titles
Title 0
[snip output]
Title 13
0 Video Mpeg4 AVC High at L4.1
1 Audio DTS-HD High resolution audio
2 Audio DTS
3 Subtitles HDMV PGS Subtitles
4 Subtitles HDMV PGS Subtitles
5 Subtitles HDMV PGS Subtitles
6 Subtitles HDMV PGS Subtitles
zsh: segmentation fault sudo makemkvcon info disc:0
Note:
makemkvcon always segfaults on exit. That is another issue.
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