From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sergio Monteiro Basto Subject: Re: Strange things on 2.6.19/20 for a dual-core CPU Date: Tue, 06 Feb 2007 00:04:02 +0000 Message-ID: <1170720242.4926.17.camel@monteirov> References: <20070205060404.GA23121@tangens.sinus.cz> Reply-To: sergio@sergiomb.no-ip.org Mime-Version: 1.0 Content-Type: multipart/signed; micalg=sha1; protocol="application/x-pkcs7-signature"; boundary="=-fRIXoLYw4x0bovzY+ZgK" Return-path: Received: from smtp1.netcabo.pt ([212.113.174.28]:6173 "EHLO exch01smtp10.hdi.tvcabo" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S965220AbXBFANR (ORCPT ); Mon, 5 Feb 2007 19:13:17 -0500 In-Reply-To: <20070205060404.GA23121@tangens.sinus.cz> Sender: linux-acpi-owner@vger.kernel.org List-Id: linux-acpi@vger.kernel.org To: Pavel Troller Cc: linux-acpi@vger.kernel.org --=-fRIXoLYw4x0bovzY+ZgK Content-Type: text/plain; charset=ISO-8859-15 Content-Transfer-Encoding: quoted-printable On Mon, 2007-02-05 at 07:04 +0100, Pavel Troller wrote: > Hi! > I posted the following question, when 2.6.19 was freshly out. However, = nobody > has answered. OK, I told myself, let's get things to stabilize, and I wai= ted > patiently for 2.6.20. Now, the things are absolutely the same, and IMHO w= rong. > Could anybody look at this and decide, whether it is a real bug, which ha= s to > be fixed, or not ? Hi , I also have a Pentium D with a very strange things=20 http://bugzilla.kernel.org/show_bug.cgi?id=3D6419 have you test yours in older kernels?=20 > With regards, Pavel Troller > =20 > ----- Forwarded message from Pavel Troller ----- >=20 > From: Pavel Troller > To: linux-acpi@vger.kernel.org > Subject: Strange things on 2.6.19 for a dual-core CPU > Mail-Followup-To: Pavel Troller , > linux-acpi@vger.kernel.org > Content-Disposition: inline > User-Agent: Mutt/1.5.9i >=20 > Hi! > I've updated to vanilla 2.6.19 on my Pentium-D (dual-core x86_64) box. > Now I can't see even C1 in the /proc/acpi/processor/*/power output: > patrol@arcus:~$ cat /proc/acpi/processor/CPU1/power > active state: C0 > max_cstate: C8 > bus master activity: 00000000 > maximum allowed latency: 2000 usec > states: > patrol@arcus:~$ cat /proc/acpi/processor/CPU2/power > active state: C0 > max_cstate: C8 > bus master activity: 00000000 > maximum allowed latency: 2000 usec > states: >=20 > Another interesting thing is shown here: > patrol@arcus:~$ cat /proc/acpi/processor/CPU1/info > processor id: 0 > acpi id: 1 > bus mastering control: no > power management: no > throttling control: yes > limit interface: yes > patrol@arcus:~$ cat /proc/acpi/processor/CPU2/info > processor id: 1 > acpi id: 2 > bus mastering control: no > power management: no > throttling control: no > limit interface: no >=20 > As I remember, both cores were showing the same things formerly. > The only line referring to CPUs during boot is > ACPI: Processor [CPU1] (supports 8 throttling states) > and CPU2 is not mentioned at all. >=20 > The last (but maybe not acpi-related) strange thing is that in /proc/cp= uinfo, > CPU1 reports 6403.56 bogomips (as always, approximately twice the clock) = and CPU2 > 8314.32 ones (too much). It's also very suspicious. Formerly the differen= ce was > very small. >=20 > Should I provide more info to debug these things, or is it OK ? > With regards, Pavel Troller >=20 > ----- End forwarded message ----- > - > To unsubscribe from this list: send the line "unsubscribe linux-acpi" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html --=20 S=E9rgio M.B. --=-fRIXoLYw4x0bovzY+ZgK Content-Type: application/x-pkcs7-signature; name=smime.p7s Content-Disposition: attachment; filename=smime.p7s Content-Transfer-Encoding: base64 MIAGCSqGSIb3DQEHAqCAMIACAQExCzAJBgUrDgMCGgUAMIAGCSqGSIb3DQEHAQAAoIIGVjCCAw8w ggJ4oAMCAQICEGne8YrzxxgYAeyxZxmiO+owDQYJKoZIhvcNAQEFBQAwYjELMAkGA1UEBhMCWkEx JTAjBgNVBAoTHFRoYXd0ZSBDb25zdWx0aW5nIChQdHkpIEx0ZC4xLDAqBgNVBAMTI1RoYXd0ZSBQ ZXJzb25hbCBGcmVlbWFpbCBJc3N1aW5nIENBMB4XDTA2MTAxMTEwMjAzOVoXDTA3MTAxMTEwMjAz OVowSzEfMB0GA1UEAxMWVGhhd3RlIEZyZWVtYWlsIE1lbWJlcjEoMCYGCSqGSIb3DQEJARYZc2Vy Z2lvQHNlcmdpb21iLm5vLWlwLm9yZzCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAN9R ix9koyWSNQDmAHxcSeWXdFO1osqg2yeNgBBl+fz8FLYyROsDGpZMcnOd/Df6tWwMZpMSYDNIksiZ 5VkCWaWIzIBccHX3wIkqrkcq3v1OcPGW9adXClXSbSZ0Hb4V4+bQ9LMAOjaMlH/dKLVkln6qmbko NOxgPotdVxCGcUy1Pqa4dT1zFo5+nIv1NAUNqKpq63X/+3nILNG4JGAvLIL8wcYs0cETGS6vISgd YFN/JlIqekWUGGUmc+SJcyyTWjXGN+2G0SDS8K3a9NFCo7a1Y0FyHQxikQRtB9sCcpQCoXiqaWsT npSrNJ0Od4w1sHZz09uEdhWKqXEmJsKKwi8CAwEAAaNZMFcwDgYDVR0PAQH/BAQDAgSQMBEGCWCG SAGG+EIBAQQEAwIFoDAkBgNVHREEHTAbgRlzZXJnaW9Ac2VyZ2lvbWIubm8taXAub3JnMAwGA1Ud EwEB/wQCMAAwDQYJKoZIhvcNAQEFBQADgYEAwVE8/kY82qYG7I2+gW0NhSyn+DR0uAWYbSxB2NgP 16QOrzXt2HazlXkl2Bc+NKQEqEGKOu5fPPg2GoJ3zDO1Y8GUNGtJH0sX+63RGoUNOAv+bAK1Nxhb illDUUCjW3OqA/hRyBwjU9kHJPYhl1EbAUGpAhfENHjkS/S7b1REBLMwggM/MIICqKADAgECAgEN MA0GCSqGSIb3DQEBBQUAMIHRMQswCQYDVQQGEwJaQTEVMBMGA1UECBMMV2VzdGVybiBDYXBlMRIw EAYDVQQHEwlDYXBlIFRvd24xGjAYBgNVBAoTEVRoYXd0ZSBDb25zdWx0aW5nMSgwJgYDVQQLEx9D ZXJ0aWZpY2F0aW9uIFNlcnZpY2VzIERpdmlzaW9uMSQwIgYDVQQDExtUaGF3dGUgUGVyc29uYWwg RnJlZW1haWwgQ0ExKzApBgkqhkiG9w0BCQEWHHBlcnNvbmFsLWZyZWVtYWlsQHRoYXd0ZS5jb20w HhcNMDMwNzE3MDAwMDAwWhcNMTMwNzE2MjM1OTU5WjBiMQswCQYDVQQGEwJaQTElMCMGA1UEChMc VGhhd3RlIENvbnN1bHRpbmcgKFB0eSkgTHRkLjEsMCoGA1UEAxMjVGhhd3RlIFBlcnNvbmFsIEZy ZWVtYWlsIElzc3VpbmcgQ0EwgZ8wDQYJKoZIhvcNAQEBBQADgY0AMIGJAoGBAMSmPFVzVftOucqZ Wh5owHUEcJ3f6f+jHuy9zfVb8hp2vX8MOmHyv1HOAdTlUAow1wJjWiyJFXCO3cnwK4Vaqj9xVsuv PAsH5/EfkTYkKhPPK9Xzgnc9A74r/rsYPge/QIACZNenprufZdHFKlSFD0gEf6e20TxhBEAeZBly YLf7AgMBAAGjgZQwgZEwEgYDVR0TAQH/BAgwBgEB/wIBADBDBgNVHR8EPDA6MDigNqA0hjJodHRw Oi8vY3JsLnRoYXd0ZS5jb20vVGhhd3RlUGVyc29uYWxGcmVlbWFpbENBLmNybDALBgNVHQ8EBAMC AQYwKQYDVR0RBCIwIKQeMBwxGjAYBgNVBAMTEVByaXZhdGVMYWJlbDItMTM4MA0GCSqGSIb3DQEB BQUAA4GBAEiM0VCD6gsuzA2jZqxnD3+vrL7CF6FDlpSdf0whuPg2H6otnzYvwPQcUCCTcDz9reFh YsPZOhl+hLGZGwDFGguCdJ4lUJRix9sncVcljd2pnDmOjCBPZV+V2vf3h9bGCE6u9uo05RAaWzVN d+NWIXiC3CEZNd4ksdMdRv9dX2VPMYIB/DCCAfgCAQEwdjBiMQswCQYDVQQGEwJaQTElMCMGA1UE ChMcVGhhd3RlIENvbnN1bHRpbmcgKFB0eSkgTHRkLjEsMCoGA1UEAxMjVGhhd3RlIFBlcnNvbmFs IEZyZWVtYWlsIElzc3VpbmcgQ0ECEGne8YrzxxgYAeyxZxmiO+owCQYFKw4DAhoFAKBdMBgGCSqG SIb3DQEJAzELBgkqhkiG9w0BBwEwHAYJKoZIhvcNAQkFMQ8XDTA3MDIwNjAwMDM1OFowIwYJKoZI hvcNAQkEMRYEFKq77EqToIZkQ3I2TBGoLOO/q2+yMA0GCSqGSIb3DQEBAQUABIIBALzKnSTplcm7 pWzOR7w1Ik1difyNAXMu2LmAjIXjmCEXXLpFVxm4tHLPzpKAFziaFxOQjbJNCjQdtXR3t9+AT0xK SnCpBu/SWSbueRrcHYtR9LwH2VE6wR7Jl05TikjBkemeWQATy6JQxBmFXX1DFr/RJ/RSDwIkE2WD +tPl72BaP35y7I7ayZKFyZ1c4/qdn6fb9BPNJYc/XShwB5Zt0s6+IHXOelmU2XORDQ8BqgpUykCW h4nWh4Bfu8gmFbvtWpSoyw2RbCgBdxV/rjAn4mhRKqUPff4zms/vS22MbKlMj25WFHEQ326VusiG yLM1EfkKyTluwDamlYM+1y69tb4AAAAAAAA= --=-fRIXoLYw4x0bovzY+ZgK--