Ok, sorry for the delay. As given by my last comment I was also able to see this problem.
Here some STR:
1. Create a profile on a usb drive with less memory
2. Fill up the remaining space with the dd command
3. Start Firefox with newly created profile
4. Start a download
Ok, sorry for the delay. As given by my last comment I was also able to see this problem.
Here some STR:
1. Create a profile on a usb drive with less memory
2. Fill up the remaining space with the dd command
3. Start Firefox with newly created profile
4. Start a download