Date: Thu, 17 Apr 2003 08:24:09 -0400 From: "Craig Reyenga" <creyenga@connectmail.carleton.ca> To: <freebsd-bugs@freebsd.org> Subject: Sound slows on heavy I/O Message-ID: <000901c304dc$451bec80$0200000a@fireball>
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SEND-PR: -*- send-pr -*- SEND-PR: Lines starting with `SEND-PR' will be removed automatically, as SEND-PR: will all comments (text enclosed in `<' and `>'). SEND-PR: SEND-PR: Please consult the following URL if you are not sure how to SEND-PR: fill out a problem report: SEND-PR: http://www.freebsd.org/doc/en/articles/problem-reports/ SEND-PR: SEND-PR: Note that the Synopsis field is mandatory. SEND-PR: SEND-PR: Please note that (unless you state otherwise) if your report SEND-PR: includes a patch then it will be taken under the same license as SEND-PR: the one on the file(s) you want to change. SEND-PR: SEND-PR: BE ADVISED THAT FREEBSD PROBLEM REPORTS ARE PUBLIC INFORMATION AND SEND-PR: WILL BE PUBLISHED AS-IS ON THE PROJECT'S MAILING LISTS AND WEB SITES. SEND-PR: DO NOT SUBMIT ANY INFORMATION YOU DO NOT WANT MADE PUBLIC. SEND-PR: SEND-PR: For sensitive security issues, consider contacting the FreeBSD SEND-PR: security officer team (security-officer@freebsd.org) directly. SEND-PR: SEND-PR: Choose from the following categories: SEND-PR: SEND-PR: advocacy alpha bin conf docs gnu SEND-PR: i386 ia64 java kern misc ports SEND-PR: powerpc sparc64 standards www SEND-PR: To: FreeBSD-gnats-submit@freebsd.org From: Craig M. Reyenga <craig> Reply-To: creyenga@connectmail.carleton.ca <craig> Cc: X-send-pr-version: 3.113 X-GNATS-Notify: >Submitter-Id: current-users >Originator: Craig M. R. >Organization: My Room >Confidential: no <FreeBSD PRs are public data> >Synopsis: Sound slows on heavy I/O >Severity: serious >Priority: medium >Category: kern >Class: sw-bug >Release: FreeBSD 5.0-CURRENT i386 >Environment: System: FreeBSD cesspool 5.0-CURRENT FreeBSD 5.0-CURRENT #1: Sat Apr 12 18:47:02 <machine, os, target, libraries (multiple lines)> >Description: During heavy I/O, sound playback slows to approximately 0.5X-0.8X original speed. This has been reported by many users with hardware of various capabilities, from original Pentiums to Dual Athlon XP systems, and appears to be independant of sound hardware as well. It is also independant of the I/O system in use, as both SCSI and ATA disk/optical devices will cause this to happen. >How-To-Repeat: Play your favourite song with your favourite audio player, while burning a CD, unzipping an archive, or anything that will cause heavy I/O. >Fix: Some people can get away by disabling daemons like esound, others are not so lucky. Some have guessed that it is a problem with interrupts in the kernel.
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