2009/4/22 Len Brown <lenb@xxxxxxxxxx>: > > > On Wed, 22 Apr 2009, Marcin Gozdalik wrote: > >> Hi >> >> I am seeing the following in logs: >> >> Apr 22 16:00:07 myth kernel: [ 39.354031] ACPI Exception >> (thermal-0479): AE_ERROR, ACPI thermal trip point state changed >> Apr 22 16:00:07 myth kernel: [ 39.354040] Please send acpidump to >> linux-acpi@xxxxxxxxxxxxxxx >> Apr 22 16:00:07 myth kernel: [ 39.354045] [20080926] >> >> I am using Ubuntu 9.04: >> >> root@myth:/home/gozdal# uname -a >> Linux myth 2.6.28-11-generic #42-Ubuntu SMP Fri Apr 17 01:58:03 UTC >> 2009 x86_64 GNU/Linux >> >> Motherboard is Abit AN-M2HD(MCP68) flashed with the latest BIOS. >> >> The machine powers down sometimes because of an ACPI trip point: >> >> Apr 22 17:27:19 myth kernel: [ 5272.004934] ACPI: Critical trip point >> Apr 22 17:27:19 myth kernel: [ 5272.004952] Critical temperature >> reached (121 C), shutting down. >> Apr 22 17:27:19 myth kernel: [ 5272.004973] ACPI: Unable to turn >> cooling device [ffff88006f841800] 'on' >> Apr 22 17:27:26 myth kernel: [ 5278.204238] Critical temperature >> reached (34 C), shutting down. >> >> although I believe this is an error in measurement, as the temperature >> probably wouldn't cool in 7 seconds from 121 to 34 Celsius. > > did this happen with earlier kernels, or did it start in 2.6.28? It happened with earlier kernels as well. > please try 2.6.29. I will try. > please try it with CONFIG_HWMON=n Would that be only a workaround or a solution? As a workaround I use thermal.nocrt=1 (or options thermal nocrt=1). Should I try both 2.6.29 and CONFIG_HWMON=n? > If it still fails, please file a bugzilla > http://bugzilla.kernel.org/enter_bug.cgi?product=ACPI > and attach the acpidump there. I will as soon as I will have tried the options. Best regards -- Marcin Gozdalik <gozdal@xxxxxxxxx> -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
