[Bug 46834] Shutdown fails - system hangs at "deconfigure network devices"

[NDEE]

Public bug reported:

Binary package hint: kernel-image-2.6.15-23-386-di

Since kernel-image-2.6.15-23, my laptop (compaq nx8220) could not be shutdown or rebooted.
The shutdown process hangs at deconfiguring network devices.... and needs to be hard reset.
Sometimes even it said, kernel speed cannot be modified and system ran at full speed.

Tried booting 2.6.15-22 and all is OK. ACPI works well.

Something must have happend from 22->23

** Affects: linux-source-2.6.15 (Ubuntu)
       Severity: Normal
       Priority: (none set)
         Status: Unconfirmed

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Shutdown fails - system hangs at "deconfigure network devices"
https://launchpad.net/bugs/46834