From mboxrd@z Thu Jan 1 00:00:00 1970 From: Pasi =?iso-8859-1?Q?K=E4rkk=E4inen?= Subject: Re: Linux 3.4 dom0 kernel error loading xen-acpi-processor: Input/output error Date: Fri, 15 Mar 2013 17:19:34 +0200 Message-ID: <20130315151934.GZ8912@reaktio.net> References: <20130305174515.GA24062@phenom.dumpdata.com> <20130306204139.GS8912@reaktio.net> <20130306210127.GT8912@reaktio.net> <20130306212147.GU8912@reaktio.net> <20130307002934.GB12421@phenom.dumpdata.com> <20130307074808.GV8912@reaktio.net> <20130308202457.GA21875@phenom.dumpdata.com> <20130308221820.GE8912@reaktio.net> <20130312205118.GN8912@reaktio.net> <20130315150527.GA16632@phenom.dumpdata.com> Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Return-path: Content-Disposition: inline In-Reply-To: <20130315150527.GA16632@phenom.dumpdata.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: Konrad Rzeszutek Wilk Cc: David Vrabel , xen-devel@lists.xen.org List-Id: xen-devel@lists.xenproject.org On Fri, Mar 15, 2013 at 11:05:27AM -0400, Konrad Rzeszutek Wilk wrote: > On Tue, Mar 12, 2013 at 10:51:18PM +0200, Pasi K=E4rkk=E4inen wrote: > > On Sat, Mar 09, 2013 at 12:18:20AM +0200, Pasi K=E4rkk=E4inen wrote: > > > > > = > > > > > I don't seem to have _PCT on my Ivy Bridge i7 laptop.. = > > > > > = > > > > > > In your case then .. lets go back to the start - the driver fai= led with -EIO > > > > > > and it was v3.4.x kernel? Now that I've figured out the regress= ion with v3.9 > > > > > > I can take a look at this. > > > > > > = > > > > > = > > > > > Ok. > > > > > = > > > > > So the problem for me with Linux 3.4.32 kernel is "modprobe xen-a= cpi-processor" fails: > > > > > initcall xen_acpi_processor_init+0x0/0x6b0 [xen_acpi_processor] r= eturned with error code -5 > > > > > = > > > > = > > > > Great :-( On my box (SandyBridge i3 2100, MS-7680) it installs just= fine. This is > > > > v3.4.22 with = > > > > = > > > > cat linux-build/.config|grep PROCESSOR > > > > CONFIG_ACPI_PROCESSOR=3Dy > > > > CONFIG_ACPI_PROCESSOR_AGGREGATOR=3Dm > > > > CONFIG_XEN_ACPI_PROCESSOR=3Dm > > > > = > > > = > > > I'm using: > > > = > > > CONFIG_ACPI_PROCESSOR=3Dy > > > CONFIG_ACPI_PROCESSOR_AGGREGATOR=3Dm > > > CONFIG_XEN_ACPI_PROCESSOR=3Dm > > > = > > = > > Do you see _PCT on your SandyBridge i3 DSDT? = > = > No. I am actually not seeing a lot of them, but I am still seeing P-state= s?! > OK, good. I'm not the only one who doesn't see _PCT :) = > 15:03:49 # 21 :/sys/firmware/acpi/tables/ = > > xenpm get-cpufreq-para 0 > cpu id : 0 > affected_cpus : 0 > cpuinfo frequency : max [3100000] min [1600000] cur [1600000] > scaling_driver : acpi-cpufreq > scaling_avail_gov : userspace performance powersave ondemand > current_governor : ondemand > ondemand specific : > sampling_rate : max [10000000] min [10000] cur [20000] > up_threshold : 80 > scaling_avail_freq : 3100000 3000000 2900000 2800000 2700000 2600000 25= 00000 2400000 2300000 2200000 2100000 2000000 1900000 1800000 1700000 *1600= 000 > scaling frequency : max [3100000] min [1600000] cur [1600000] > = > WTF!? > = On my server: # xenpm get-cpufreq-para 0 [CPU0] failed to get cpufreq parameter > And also the C-states: > > xenpm get-cpuidle-states 0 > Max possible C-state: C7 > = > cpu id : 0 > total C-states : 3 > idle time(ms) : 543153 > C0 : transition [ 45047] > residency [ 11006 ms] > C1 : transition [ 14099] > residency [ 13076 ms] > C2 : transition [ 30948] > residency [ 527658 ms] > pc2 : [ 13698 ms] > pc3 : [ 0 ms] > pc6 : [ 484534 ms] > pc7 : [ 0 ms] > cc3 : [ 0 ms] > cc6 : [ 525300 ms] > cc7 : [ 0 ms] > = # xenpm get-cpuidle-states 0 Max possible C-state: C7 cpu id : 0 total C-states : 2 idle time(ms) : 418428 C0 : transition [ 1] residency [ 1526 ms] C1 : transition [ 1] residency [ 418428 ms] pc2 : [ 0 ms] pc3 : [ 0 ms] pc6 : [ 0 ms] pc7 : [ 0 ms] cc3 : [ 0 ms] cc6 : [ 0 ms] cc7 : [ 0 ms] > I need to look back at my notes on how the _PCT, _PSS, _Pwhatevername > work. > Yep. Does xen-acpi-processor driver load OK on your servers? = -- Pasi