[Lucid-lbm] SRU: Make thinkpad-acpi work with lbm-alsa

Tim Gardner tim.gardner at canonical.com
Mon Jun 28 22:52:03 UTC 2010


On 06/28/2010 01:41 PM, Stefan Bader wrote:
> SRU justification:
>
> Impact: As we were "asked" to go ahead and get a very recent thinkpad-acpi
> driver enabled in Lucid, which exports an alsa mixer for the hw mixer that only
> exists for ThinkPads. we now have a problem when people with TPs are asked to
> try the latest ALSA from LBM. After installing LBM-alsa the thinkpad-acpi module
> refuses to load as it wants the other symbol versions from the kernel.
>
> Fix: I don't know of any better way than to put the thinkpad-acpi driver as it
> is in Lucid into LBM and build it against the LBM-alsa core. It is then thrown
> into the alsa package which mixes things a bit but I did not want to create a
> new package for that.
>
> Testcase: Verified that after installing lbm-alsa before caused thinkpad-acpi
> not to be loaded. With the new version this works (and at least the wireless
> card in that machine also still works with lbm-wireless installed.
>
>

As discussed, the stable team will have to be aware that any stable 
updates or CVEs applicable to the mainline driver will also have to be 
applied to the LBM version lest we cause regressions or leave security 
vulnerabilities (a relatively remote possibility).

Acked-by: Tim Gardner <tim.gardner at canonical.com>

-- 
Tim Gardner tim.gardner at canonical.com




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