Iulia Cristescu, QA [:JuliaC] (away, please needinfo? cornel.ionce@softvision.ro) Reporter
	Description • 7 years ago

[Affected versions]:
- 55.0a1 (2017-03-17) 
- 54.0a2 (2017-03-17)
- 53.0b3 build1 (20170316045436)
- 52.0 build2 (20170302120751)

[Affected platforms]:
- Windows 7 x64 
- Mac OS X 10.10
- Ubuntu 14.04 x86

[Steps to reproduce]:
1. Launch Firefox
2. Start downloading a large file (e.g. https://www.ubuntu.com/download/desktop)
3. Click the downloads button from the toolbar in order to open the Downloads panel
4. Click the Cancel button next to the download progress
5. Click the Retry button next to the download progress
6. Pause the current download (inspect the Pause context menu option)

[Expected result]:
- The user is able to properly pause the current download, even if it was previously canceled

[Actual result]:
- The Pause context menu option is grayed out

[Regression range]:
- This issue is not a recent regression as it is reproducible all the way back to 46.0a1 (2016-01-01)

	Julien Cristau [:jcristau]
	Comment 1 • 7 years ago

Mass wontfix for bugs affecting firefox 52.

	:Paolo Amadini
	Comment 2 • 7 years ago

This is likely an issue with the specific server implementation, because normally downloads can be paused and resumed multiple times.

	Timea Zsoldos [:zstimi/tzsoldos], Desktop QA
	Comment 3 • 7 years ago

I reopen this bug because I have seen the issue is still there. Using the following link for downloading multiple files with different sizes: https://www.thinkbroadband.com/download. Start downloading then pause it, after that resume it, try to pause it again, you will see the "Pause" item from context menu is grayed out.
Affected Firefox versions: 56.0.1, 57.0b8 and latest nightly 58.0a1 (2017.10.12), all platforms: Windows 8.1 x64, Ubuntu 14.04 x64, Mac 10.11.

	:Paolo Amadini
	Comment 4 • 7 years ago

This works for me with the links from comment 3, so the issue is likely related to the proxy or firewall software on the local network intercepting requests and making them not resumable in some cases.

Unfortunately there is nothing we can do, so there is no point in keeping the bug open.