Minutes after writing this report, I found that I missed an update.
"acpi_enforce_resources=lax" is again respected in kernel 2.6.31-20.58 generic,
so it is a bug in 2.6.31-20.57 or earlier.
--
it87 (sensors) module broken, needs automatic adding of a kernel line during
installation
https://bu
niether "acpi_enforce_resources=lax" nor "acpi_enforce_resources=none"
work with kernel 2.6.31-20.57 generic (karmic). "acpi=off" does work,
but that disables soft-powerdown, Cool&Quiet, and more. That's better
than non-working PWM anyway.
"acpi_enforce_resources=lax" still works whenever I load k