Public bug reported:
Binary package hint: linux-source-2.6.22
My laptop has a weird DSDT which is not supported out of the box. Under
Feisty, I could load a custom DSDT that would enable sound on my laptop.
Since my upgrade this morning, I noticed I did not have sound. I
checked /var/log/messages and noted the following:
[EMAIL PROTECTED]:~$ cat /var/log/messages | grep DSDT
Jun 20 08:49:58 localhost kernel: [ 20.165245] ACPI: Looking for DSDT in
initramfs... successfully read 31951 bytes from /DSDT.aml.
Jun 20 08:49:58 localhost kernel: [ 20.165305] ACPI (tbget-0297): Table
[DSDT] replaced by host OS [20060707]
Jun 20 11:07:27 localhost kernel: [ 0.000000] ACPI: DSDT 7FE9311A, 8A9C (r1
TOSQCI Denver 6040000 MSFT 3000001)
Jun 20 12:12:45 localhost kernel: [ 0.000000] ACPI: DSDT 7FE9311A, 8A9C (r1
TOSQCI Denver 6040000 MSFT 3000001)
The upgrade occurred around 11am. As you can see, prior to the upgrade
the DSDT was loaded correctly, however now it is not loaded. I hope
this functionality was not done away with, as I have no other options
that I'm aware of to get sound working.
** Affects: linux-source-2.6.22 (Ubuntu)
Importance: Undecided
Status: Unconfirmed
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Custom DSDT not loading with kernel 2.6.22-6-generic
https://bugs.launchpad.net/bugs/121383
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