Hello, i'm currently having the same issue on a Thinkpad T450, with Ubuntu 15.10 and 15.04
The output of alsa-info.sh gives me a different codec instead of the proposed fix information 0x10ec0292 0x17aa5036 0 i have 0x10ec0292 0x17aa5034 0 I tried the fix with both 0x17aa5036 and 0x17aa5034, on Ubuntu 15.10 and 15.04 without luck, the symptom stays, the cracking sound appears at startup and shutdown. Probably caused by the same issue, i get a static noise in the left headphone. Thanks for your help. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1502155 Title: [20AQ0069GE, Realtek ALC3232, Speaker, Internal] crackling sound while booting Unity-Desktop To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1502155/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
