On Monday, February 04, 2013 02:19:22 PM Dirk Brandewie wrote: > Hi All, > > There is a bug in the bleeding-edge branch. Using the ondemand governor > and acpi_cpufreq scaling driver the system hangs while trying to reboot or > trying to offline a cpu manually. The last call where I have tracing turned > on is __cpufreq_governor(data, CPUFREQ_GOV_STOP); > > [ 38.138236] __cpufreq_remove_dev: cpufreq: __cpufreq_remove_dev: > unregistering CPU 1 > [ 38.146663] __cpufreq_governor: cpufreq: __cpufreq_governor for CPU 0, event 2 > [ 71.562262] ata3.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen > > > It looks like the breakage comes from the removal of the sysfs files in the > incorrect order. While rebasing my patches onto bleeding edge I found this > problem as well. I have a couple of hack patches that workaround the issue > when using my driver if anyone would like to see them. There have been a few fixes since c560f3d, they are in linux-pm.git/linux-next now. Can you please test that tree and see if the problem is still there? Rafael -- I speak only for myself. Rafael J. Wysocki, Intel Open Source Technology Center. -- To unsubscribe from this list: send the line "unsubscribe cpufreq" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html