Messages in this thread | | | Date | Sun, 16 Aug 2009 16:39:35 +0200 | From | Stefan Richter <> | Subject | Re: [BUG] [hwmon] linux 2.6.31-rc6 regression |
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Matthew Garrett wrote: > On Sun, Aug 16, 2009 at 07:37:35AM +0200, Markus Trippelsdorf wrote: >> On Sun, Aug 16, 2009 at 02:03:03AM +0100, Matthew Garrett wrote: >>> The hwmon driver is attempting to allocate a region that's also used by >>> your ACPI firmware. There's no way to synchronise access between the >>> kernel and the firmware, so allowing both is potentially racy - we've >>> seen numerous cases where the combination results in the system >>> incorrectly generating critical temperatuer shutdowns, for instance, >>> when some other indexed access gets interpreted as the temperature or >>> when the hwmon chip's state machine is confused. The failure of hwmon to >>> bind is a feature here, not a bug. You can override it with >>> acpi_enforce_resources=no on the kernel command line. >> But we don't introduce »features« that break hardware monitoring on >> numerous machines in rc6 normally, IIRC. >> If this so important and critical to you, than just add a »hyperstrict« >> parameter to acpi_enforce_resources or make »lax« the default. > > It's not - 2.6.29 had this behaviour, and it got broken in 2.6.30. This > restores the status quo.
Then why did my 2.6.29 did _not_ have this behavior? (here: ASUS M3A78-EM, it87 driver) -- Stefan Richter -=====-==--= =--- =---- http://arcgraph.de/sr/ -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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