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>It doesn't hang. Though it seemed close to hanging a couple times, >but after a 5-10 second pause always managed to go to sleep. I tried >about 15 sleep cycles, with a few echo 1 > polling_frequency thrown in. ACPI SPEC define: _PSV : thermal zone object that returns Passive trip point in tenths of digress Kelvin. _ACx: thermal zone object that returns active cooling policy threshold values in tenths of degrees Kelvin. I suspect , when hang, the system was trying to start active cooling with Fan in function acpi_thermal_active that was somehow conflict request with _PTS's call to SMPI in BIOS. So, the solution is : Disable active/passive cooling request before suspend. To verify this, please hack acpi_thermal_active. We need a suspend/resume method for acpi thermal to cleanly solve your problem. Thanks, Luming - 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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