Public bug reported: After upgrading my Dell Latitude E6400, computer was running very slowly.
After few search, with powertop, I found that three modules was consuming lot of CPU: - snd_hda_codec_idt - snd_hda_codec_generic - snd_hda_intel (like https://askubuntu.com/questions/91359/100-0-usage-by-audio-codec-hwc0d0-realtek) After adding them in /etc/modprobe.d/blacklist-snd.conf, my computer works again like a charm, with cost of missing sound. Ubuntu 4.10.0-20.22-generic 4.10.8 ** Affects: linux (Ubuntu) Importance: Undecided Status: New ** Attachment added: "lspci-vnvn.log" https://bugs.launchpad.net/bugs/1690357/+attachment/4875573/+files/lspci-vnvn.log -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1690357 Title: Computer very slow since update to Ubuntu 17.04 Status in linux package in Ubuntu: New Bug description: After upgrading my Dell Latitude E6400, computer was running very slowly. After few search, with powertop, I found that three modules was consuming lot of CPU: - snd_hda_codec_idt - snd_hda_codec_generic - snd_hda_intel (like https://askubuntu.com/questions/91359/100-0-usage-by-audio-codec-hwc0d0-realtek) After adding them in /etc/modprobe.d/blacklist-snd.conf, my computer works again like a charm, with cost of missing sound. Ubuntu 4.10.0-20.22-generic 4.10.8 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1690357/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp