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Update: it seems hotplug/coldplug is the culprit. |
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|
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If I disable everything, there is no hum. If I re-enable coldplug |
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(COLDPLUG="yes"), then the hum re-appear. |
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|
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What about coldplug could be causing problems? Where should I go from here |
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to solve this problem? |
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|
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On Sun, Mar 27, 2011 at 6:31 PM, Colleen Josephson <cjoseph@×××.edu> wrote: |
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|
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> I had a question related to the amd64 minimal livecd. |
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> |
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> What exactly is happening at the "Unpacking firmware" stage of the boot |
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> process? |
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> Is there a way to find out exactly what firmware is being loaded? Or a way |
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> to boot without loading the firmware? |
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> |
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> Why? It is a somewhat strange reason. I am having issues with a |
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> high-pitched hum coming from the audio jacks (occurs on both MB sound and a |
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> creative sound card) |
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> I have a very nice sound system (a sound board, studio monitors...I am an |
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> audio hobbyist), and no other system has these problems, so I am relatively |
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> sure that it is not the speakers/cables. |
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> |
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> I have been booting from the liveCD, and I have pinpointed the point at |
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> which the hum starts to something near the *Unpacking firmware stage. |
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> I realize this is somewhat esoteric, but it renders my system almost |
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> useless, and would greatly appreciate any input. |
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> |
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> I did interactive mode. The interactive mode only prompts for some of the |
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> items. Among the items it does not prompt for is the firmware unpacking. It |
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> just goes and does it. |
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> |
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> -- |
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> Colleen Josephson |
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> Dept. of Electrical Engineering and Computer Science |
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> Massachusetts Institute of Technology |
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> Class of 2013 |
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> |
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|
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|
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|
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-- |
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Colleen Josephson |
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Dept. of Electrical Engineering and Computer Science |
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Massachusetts Institute of Technology |
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Class of 2013 |