Bug 236499 - high frequency noise at the speakers with kernel 2.6.20-1.2944
high frequency noise at the speakers with kernel 2.6.20-1.2944
Product: Fedora
Classification: Fedora
Component: kernel (Show other bugs)
i386 Linux
medium Severity medium
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Assigned To: Kernel Maintainer List
Brian Brock
Depends On:
Blocks: 427887
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Reported: 2007-04-15 09:06 EDT by Pedro Matiello
Modified: 2008-02-07 23:24 EST (History)
1 user (show)

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Fixed In Version:
Doc Type: Bug Fix
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Clone Of:
Last Closed: 2008-02-07 23:24:15 EST
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Description Pedro Matiello 2007-04-15 09:06:26 EDT
From Bugzilla Helper:
User-Agent: Mozilla/5.0 (X11; U; Linux i686; en; rv: Gecko/20070313 Fedora/ Epiphany/2.16 Firefox/

Description of problem:
Under kernel 2.6.20-1.2944 (both xen and non-xen), there is a constant high frequency noise at the speakers.

It stops when processor load is about 100%, but returns when processor usage falls to anything under that.

Relevant modules loaded are: snd_intel8x0, snd_ac97_codec, snd_seq_oss, snd_seq, snd_pcm_oss, snd_mixer_oss, snd_pcm, snd_timer, snd_mpu401, snd_mpu401_uart, snd_rawmidi, snd_seq_device.

This problem doesn't happens under 2.6.19-1.2911.6.5.fc6xen kernel.

Version-Release number of selected component (if applicable):

How reproducible:

Steps to Reproduce:
1. Start the system using kernel 2.6.20-1.2944.

Actual Results:
There is a high frequency sound at the speakers.

Expected Results:
No noise at the speakers.

Additional info:
Comment 1 Jon Stanley 2008-01-07 20:51:25 EST
(This is a mass-update to all current FC6 kernel bugs in NEW state)


I'm reviewing this bug list as part of the kernel bug triage project, an attempt
to isolate current bugs in the Fedora kernel.


I am CC'ing myself to this bug, however this version of Fedora is no longer

Please attempt to reproduce this bug with a current version of Fedora (presently
Fedora 8). If the bug no longer exists, please close the bug or I'll do so in a
few days if there is no further information lodged.

Thanks for using Fedora!
Comment 2 Jon Stanley 2008-02-07 23:24:15 EST
Per the previous comment in this bug, I am closing it as INSUFFICIENT_DATA,
since no information has been lodged for over 30 days.

Please re-open this bug or file a new one if you can provide the requested data,
and thanks for filing the original report!

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