On Wed, 17 Nov 2010, Alexandre "Sunny" Kovalenko wrote:
 > On Thu, 2010-11-18 at 11:13 +1100, Andrew Reilly wrote:
 > > Hi Alexandre,
 > > 
 > > On Wed, Nov 17, 2010 at 06:56:53PM -0500, Alexandre Sunny Kovalenko wrote:
 > > > On Thu, 2010-11-18 at 10:40 +1100, Andrew Reilly wrote:
 > > > > dev.cpu.0.%desc: ACPI CPU
 > > > > dev.cpu.0.%driver: cpu
 > > > > dev.cpu.0.%location: handle=\_PR_.CPU0
 > > > > dev.cpu.0.%pnpinfo: _HID=none _UID=0
 > > > > dev.cpu.0.%parent: acpi0
 > > > > dev.cpu.0.freq: 2933
 > > > > dev.cpu.0.freq_levels: 2933/90000 2799/83000 2666/77000 2533/71000 
 > > > > 2399/65000 2266/59000 2133/53000 1999/46000 1866/40000 1733/34000 
 > > > > 1599/28000 1466/22000 1333/16000 1199/10000 1049/8750 899/7500 
 > > > > 749/6250 599/5000 449/3750 299/2500 149/1250
 > > > > dev.cpu.0.cx_supported: C1/3 C2/205 C3/245
 > > > > dev.cpu.0.cx_lowest: C1
 > > > > dev.cpu.0.cx_usage: 100.00% 0.00% 0.00% last 311us
 > > > > dev.cpu.1.%desc: ACPI CPU
 > > > > dev.cpu.1.%driver: cpu
 > > > > dev.cpu.1.%location: handle=\_PR_.CPU1
 > > > > dev.cpu.1.%pnpinfo: _HID=none _UID=0
 > > > > dev.cpu.1.%parent: acpi0
 > > > > dev.cpu.1.cx_supported: C1/3 C2/205 C3/245
 > > > > dev.cpu.1.cx_lowest: C1
 > > > > dev.cpu.1.cx_usage: 100.00% 0.00% 0.00% last 191us
 > > > > 
 > > > > Since the cpufreq man page lists the inability to set the
 > > > > frequency of different CPUs differently, perhaps this isn't a
 > > > > bug at all?
 > > > > 
 > > > > Cheers,
 > > > > 
 > > > 
 > > > Does portion of 'devinfo -rv' similar to the snippet below show 'est'
 > > > attached to both CPUs?
 > > > <...>
 > > >     cpu0 pnpinfo _HID=none _UID=0 at handle=\_PR_.CPU0
 > > >         ACPI I/O ports:
 > > >             0x1014
 > > >             0x1015
 > > >       acpi_perf0
 > > >       acpi_throttle0
 > > >       coretemp0
 > > > ==>      est0
 > > >       p4tcc0
 > > >       cpufreq0
 > > >     cpu1 pnpinfo _HID=none _UID=0 at handle=\_PR_.CPU1
 > > >         ACPI I/O ports:
 > > >             0x1014
 > > >             0x1015
 > > >       acpi_perf1
 > > >       acpi_throttle1
 > > >       coretemp1
 > > > ==>      est1
 > > >       p4tcc1
 > > >       cpufreq1
 > > > <...>
 > > 
 > > Yes, but as you can see they are not nested under coretemp. devices:
 > > 
 > >     cpu0 pnpinfo _HID=none _UID=0 at handle=\_PR_.CPU0
 > >         ACPI I/O ports:
 > >             0x414
 > >             0x415
 > >       acpi_perf0
 > >       est0
 > >       p4tcc0
 > >       cpufreq0
 > >     cpu1 pnpinfo _HID=none _UID=0 at handle=\_PR_.CPU1
 > >         ACPI I/O ports:
 > >             0x414
 > >             0x415
 > >       acpi_perf1
 > >       est1
 > >       p4tcc1
 > >       cpufreq1
 > > 
 > > This seems to be at odds with the dmesg and sysctl view of things?
 > > 
 > > Cheers,
 > > 
 > 
 > I am sorry -- in the attempt to point them out, I have messed up the
 > alignment -- they *should not* be nested under coretemp. It is strange
 > that 'est' reported error on attach, yet seems to be attached to the
 > device. This said, I am way out of my depth here -- hopefully someone
 > smarter than I will chime in.

That's not me :)  I only noticed it in the context of Andrew originally 
saying that it hung after "Stopping other CPUs", and it seemed unusual.

Sorry for the wild goose chase ..

cheers, Ian
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