# ZSNES Documentation - Linux v1.4 - Bug Reports

ZSNES Linux v1.4 |
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Bug Reports
Filing a Useful Bug Report

There are a few simple things you can do to help us deal with your bug report more effectively.
Before reporting, check the Readme to find out about unsupported chips. You should also check for any recent bug reports on the ZSNES boards, as well as on the bug tracker at the ZSNES Development Page.
First, make sure you are using the latest version of ZSNES. It isn't helpful for us to test a game that's "broken" if you are using 1.17b, and don't tell us that fact, because we may have fixed it in 1.20 or later.
Second, a detailed name of the game is helpful. It is common for a game to act differently in different regions. By explaining that you're using a U.S., European, or Japanese version, you make testing significantly easier, because we can test the exact game, rather than pick which "Puzzle Bobble" you mean.
Rather than just doing the above, though, we would appreciate it even more if you posted your ROM info log from NSRT to verify if your ROM is actually a good dump. If your ROM is found to be a bad dump, first get a good copy and see if the problem persists. Some bad or hacked dumps can be fixed by NSRT (Metal Combat is a good example). We will not take bug reports for bad dumps seriously.
Third, describe the problem in detail. Is it an emulation bug? If not, can you reproduce it? If it is an emulation bug, investigate. Does the game lock up? Or does the sound fail? Are the graphics wrong? Provide details. Toggle the backgrounds or sound channels, and see if you can find anything, such as corruption in background 3 or errors in offset-per-tile. Does the old gfx engine act the same? Is a particular sound channel sticking on?
When the game starts, does ZSNES say "OK" in the checksum field?
Finally, do other emulators run the game correctly?
If you have any additional information, such as a previous version of ZSNES that ran the game properly, or if you know of another game that acts similarly, please let us know.
Thanks.
System specs are also nice, but less essential.

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