On Mon, Feb 25, 2008 at 11:48 PM, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> wrote: > On Mon, 25 Feb 2008 21:29:24 +0000 "Daniel J Blueman" <daniel.blueman@xxxxxxxxx> wrote: > > My 2.2GHz [1] Thinkpad T61 is unable to get past 1.2GHz, seemingly > > because of the _PPC ACPI objects [2]. > > > > Given that the _PPC object is different for both cores, is this more > > of a BIOS bug or an ACPI interpreter problem? The problem was present > > in 2.6.24-rc, 2.6.24 final and since. > > > > BIOS is 7LETA9WW/2.09, so current - would any further information be > > useful for debugging this problem, and would dumping the ACPI tables > > be useful? > > > > Thanks, > > Daniel > > > > --- [1] > > > > freq-table: table entry 0: 2201000 kHz, 0 index > > freq-table: table entry 1: 2200000 kHz, 1 index > > freq-table: table entry 2: 1600000 kHz, 2 index > > freq-table: table entry 3: 1200000 kHz, 3 index > > freq-table: table entry 4: 800000 kHz, 4 index > > > > --- [2] > > > > cpufreq-core: CPU 0: _PPC is 3 - frequency limited > > cpufreq-core: CPU 1: _PPC is 0 - frequency not limited > > (cc linux-acpi) > > If nothing happens, please raise a report at bugzilla.kernel.org, thanks. I've raised this into a Bugzilla entry for tracking and history, and dumped ACPI tables in binary and hex formats: http://bugzilla.kernel.org/show_bug.cgi?id=10110 Let me know of anything else useful. If I get time in the next days, I'll try find a previous working kernel and start bisecting for the regression. Thanks, Daniel -- Daniel J Blueman - 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