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VinzC Watchman
Joined: 17 Apr 2004 Posts: 5098 Location: Dark side of the mood
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Posted: Thu Aug 09, 2012 6:34 pm Post subject: Can installing a Windows sound driver affect how ALSA works? |
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Hi all.
My machine has an Intel HDA sound chip (ALC887-VD) of which I am using exclusively the SPDIF output.
Today after my machine booted I noticed I had no sound going through the SPDIF output although it did yesterday. All I did yesterday was boot Windows and check for surround sound in Windows. It didn't work so I installed updated drivers from Realtek and check surround sound. Failed too. Nevermind, usual Windows voodoo/magic crap... *sighs*
So today when I noticed there was (again) no sound in Linux (it already happened before) I tried to update my .asoundrc file to the following:
~/.asoundrc: | pcm.!default spdif |
Before that it contained
~/.asoundrc: | pcm.!default { type hw card PCH }
ctl.!default { type hw card PCH } |
and it worked for a couple of days.
This is the only "potentially risky" action I could reasonably correlate with the issue. Do you think it makes sense? _________________ Gentoo addict: tomorrow I quit, I promise!... Just one more emerge...
1739! |
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PaulBredbury Watchman
Joined: 14 Jul 2005 Posts: 7310
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Posted: Thu Aug 09, 2012 6:43 pm Post subject: |
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The BIOS can remember its state across reboots. Only way to be sure is to disconnect its power (and remove a laptop's battery while off - example). |
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VinzC Watchman
Joined: 17 Apr 2004 Posts: 5098 Location: Dark side of the mood
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Posted: Thu Aug 09, 2012 7:17 pm Post subject: |
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Thanks Paul. I however fail to clearly understand how the example you pointed at illustrates this issue but I'll power off the machine again.
Strangely enough I also got a boot message «Machine Check Error» again instead of extlinux boot menu immediately after I installed the drivers in Windows and rebooted... Both these issues might relate to each other as well, I guess, right? _________________ Gentoo addict: tomorrow I quit, I promise!... Just one more emerge...
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PaulBredbury Watchman
Joined: 14 Jul 2005 Posts: 7310
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Posted: Thu Aug 09, 2012 7:25 pm Post subject: |
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Yeah, my example wasn't clear. To clarify, it was necessary to physically remove the battery from the laptop, for it to reset enough to boot again - just removing the power cable was not enough.
Sounds like you should check for an updated BIOS for your PC, also. |
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VinzC Watchman
Joined: 17 Apr 2004 Posts: 5098 Location: Dark side of the mood
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Posted: Thu Aug 09, 2012 7:31 pm Post subject: |
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PaulBredbury wrote: | Sounds like you should check for an updated BIOS for your PC, also. |
Ah... «Ship first, fix later» or when the worst habits contaminate the whole world of computer technologies... We've entered an era it's a normal thing to pay for acquiring defective products.
(EDIT: I bought this machine in April or so...) _________________ Gentoo addict: tomorrow I quit, I promise!... Just one more emerge...
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krinn Watchman
Joined: 02 May 2003 Posts: 7470
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Posted: Thu Aug 09, 2012 9:33 pm Post subject: |
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Or just because of the QA tests are now flaws by design :
What if you build a computer that will only run on windows and test under windows ? You may endup with a product that is not 100% standard with flaws, but still works 100% in that OS unaffect by the flaws. |
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