sangeeth512204 wrote:
> Hi
> I have installed Fedora 4 on my Laptop -Acer Aspire 1642 LMi.
> At first I had some problems with touch pad and Sound ,Touch pad
> problem solved by googling ..
> Sound problem is not solved [ I cant hear any sound ] and While
> running "system-config-sound"
> >From a terminal I got these messages.
>
>
> [EMAIL PROTECTED] ~]# system-config-soundcard
>
> amixer: Unable to find simple control 'Master',0
>
> amixer: Unknown playback setup 'on'..
>
> amixer: Unable to find simple control 'PCM-2',0
>
> amixer: Unable to find simple control 'DRC Range',0
>
relevant modules not loaded, probably..
> My laptop is heating up fast while running Linux comparing to windows
> XP.And also not showing how much battery power remaining.
> I am getting an error messages like this, every few seconds in the
> shell prompt and in /var/log/messages .
>
ACPI issue most probably..
> [EMAIL PROTECTED] ~]# tail /var/log/messages
> Mar 15 04:34:31 localhost kernel: ACPI-1138: *** Error: Method
> execution failed [\_SB_.BAT1._BST] (Node c122e320), AE_NOT_FOUND
> Mar 15 04:34:50 localhost kernel: ACPI-0352: *** Error: Looking up
> [Z00A] in namespace, AE_NOT_FOUND
> Mar 15 04:34:50 localhost kernel: search_node c122e420 start_node
> c122e420 return_node 00000000
> Mar 15 04:34:50 localhost kernel: ACPI-1138: *** Error: Method
> execution failed [\_SB_.BAT1._BST] (Node c122e320), AE_NOT_FOUND
> Mar 15 04:35:01 localhost kernel: ACPI-0352: *** Error: Looking up
> [Z00A] in namespace, AE_NOT_FOUND
> Mar 15 04:35:01 localhost kernel: search_node c122e420 start_node
> c122e420 return_node 00000000
> Mar 15 04:35:01 localhost kernel: ACPI-1138: *** Error: Method
> execution failed [\_SB_.BAT1._BST] (Node c122e320), AE_NOT_FOUND
> Mar 15 04:35:10 localhost kernel: ACPI-0352: *** Error: Looking up
> [Z00A] in namespace, AE_NOT_FOUND
> Mar 15 04:35:10 localhost kernel: search_node c122e420 start_node
> c122e420 return_node 00000000
> Mar 15 04:35:10 localhost kernel: ACPI-1138: *** Error: Method
> execution failed [\_SB_.BAT1._BST] (Node c122e320), AE_NOT_FOUND
>
Indeed ACPI is disabled. Most sound cards, modems et al, depend on ACPI
IRQ routing. So ACPI disabled will result in the driver not loaded and
hence.
MA
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