From mboxrd@z Thu Jan 1 00:00:00 1970 From: bugzilla-daemon@bugzilla.kernel.org Subject: [Bug 194963] New: schedutil governor causes audio problem in game Date: Thu, 23 Mar 2017 10:40:58 +0000 Message-ID: Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8BIT Return-path: Received: from mail.wl.linuxfoundation.org ([198.145.29.98]:60372 "EHLO mail.wl.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932484AbdCWKlA (ORCPT ); Thu, 23 Mar 2017 06:41:00 -0400 Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 3807227C14 for ; Thu, 23 Mar 2017 10:40:59 +0000 (UTC) Received: from pdx-korg-bugzilla-1.web.codeaurora.org (unknown [172.30.200.120]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id EFA3627C14 for ; Thu, 23 Mar 2017 10:40:58 +0000 (UTC) Sender: linux-pm-owner@vger.kernel.org List-Id: linux-pm@vger.kernel.org To: linux-pm@kernel.org https://bugzilla.kernel.org/show_bug.cgi?id=194963 Bug ID: 194963 Summary: schedutil governor causes audio problem in game Product: Power Management Version: 2.5 Kernel Version: 4.10.4 Hardware: x86-64 OS: Linux Tree: Mainline Status: NEW Severity: normal Priority: P1 Component: cpufreq Assignee: linux-pm@vger.kernel.org Reporter: john.ettedgui@gmail.com Regression: No Created attachment 255443 --> https://bugzilla.kernel.org/attachment.cgi?id=255443&action=edit dmesg Hello, I'm on the kernel 4.10.4 but I've had the same issues for a few weeks already, definitely on .3 and probably on .2 but not sure anymore. When I switched the cpu governor from ondemand or performance to schedutil, it all seemed fine, but actually playing a game in wine gives me audio cracking every now and then, fairly similarly to when we didn't have a pulseaudio backend in wine. (I have not tried using only alsa). Interestingly I've tried 2 different games in Wine and the problem only happens with one, I assume the more CPU intensive one: StarCraft 2. Restarting the computer, killing pulseaudio and restarting it, limiting the apps opened, not of that changed anything, but switching the governor back fixed it right away. My CPU is an Intel i7 4790k, this is my kernel line: linux /vmlinuz-linux root=/dev/sda3 rw rootfstype=btrfs raid=noautodetect intel_iommu=on quiet add_efi_memmap clocksource=hpet hpet=enable splash consoleblank=0 intel_pstate=disable sysrq_always_enabled=1 I am not sure what else to provide, there was nothing in dmesg that seemed related, nor any error in Wine, please tell me how I can help. Thank you, John -- You are receiving this mail because: You are the assignee for the bug.