Re: Critical Sound Problem - very deep level - help needed !

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This is of course getting rediculous. OK, I will accept that it is a "Linux
problem", just as it is a Linux problem that many winmodems do not work
under Linux because of the manufacturers give no information of how to make
their winmodems work.  However that helps noone whatsoever. It does not
tell anyone where to look to solve the bug.  I suspect
strongly that it is a hardware bug. As such, it is going to depend crucially
on how widespread this hardware bug is. If it restricted to this one person
or 5 people in the world, then the chances of a workaround being developed
around this hardware bug is small. If it affects many people the chances
are higher. However the answer is probably for the person to get a decent
sound card instead of using the buggy card that he now has.






On Fri, 20 Apr 2007, Hemmann, Volker Armin wrote:

> On Freitag, 20. April 2007, Bill Unruh wrote:
>> On Thu, 19 Apr 2007, Hemmann, Volker Armin wrote:
>>> On Donnerstag, 19. April 2007, Bill Unruh wrote:
>>>> On Thu, 19 Apr 2007, Alexey Eremenko wrote:
>>>>> hi all !
>>>>>
>>>>> My uptime in Linux doesn't really go over 2 days... why ?
>>>>>
>>>>> Because there is some very deep driver issue with my audio hardware,
>>>>> VIA 8237 audio.
>>>>> That is when working, my sound system suddenly fails, and starts to
>>>>> produce noise. - the problem is so deep that even "init 6" - full
>>>>> restart doesn't helps ! ! rcalsasound restart (ALSA service restart)
>>>>> doesn't help too.
>>>>
>>>> sorry, why are you rebooting? Just remove the driver? I there is
>>>> stillsound then I suspect hardware-- eg your disk drive is dieing,
>>>> rather than the soundcard.
>>>
>>> as he already wrote - he reboots to get sound back. MAybe you should read
>>> his mail again?
>>
>> No, he states in the next sentence that upon reboot he still hears the
>> noise. Maybe you should read it again.
>
> he wrote:
>
> That is when working, my sound system suddenly fails, and starts to
> produce noise. - the problem is so deep that even "init 6" - full
> restart doesn't helps ! !
>
> and:
>
> I still hear that noise even in GRUB Bootloader, where should be no
> sound at all ! ! !
>
>
> so the problem starts in linux - and a simple reboot into linux does not solve
> it.
>
> That makes it a linux problem.
>
>
>>>
>>> The sound is the result from running linux, so it is a linux problem.
>>
>> I am afraid that I disagree. It is a harware bug. Now Linux may trigger
>> that bug. -- eg the LG CDRom drives which had a firmware bug in the command
>> set which, contrary to their claim, would put the CD into the firmware
>> rewrite mode when an innocuous ( according to their own specs) command was
>> sent to it. That was a bug in firmware on the CDrom, even though that bug
>> was triggered because Mandriva used that command.
>
> But windows a) does not show that behaviour and b) loading the windows drivers
> removes the noise.
>
> That makes it a linux problem.
>
> About the cdrom drives and Mandrake (back then they were still Mandrake):
> Mandrake sent a badly defined command to a cdrom drive and turned it into a
> brick. Yes, it was LGs fault at first, but since Mandrake turned the drive
> into a brick and windows did not, it was a Mandrake problem.
>
>>
>> Again, almost certainly a hardware bug in the sound card.
>
> that does only show up in linux..... so even if it is a hardware problem -
> since windows can solve/workaround it and linux can't, it makes it a linux
> problem.
>
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-- 
William G. Unruh   |  Canadian Institute for|     Tel: +1(604)822-3273
Physics&Astronomy  |     Advanced Research  |     Fax: +1(604)822-5324
UBC, Vancouver,BC  |   Program in Cosmology |     unruh@xxxxxxxxxxxxxx
Canada V6T 1Z1     |      and Gravity       |  www.theory.physics.ubc.ca/

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