From owner-freebsd-current@FreeBSD.ORG Fri Feb 9 18:52:38 2007 Return-Path: X-Original-To: current@FreeBSD.org Delivered-To: freebsd-current@FreeBSD.ORG Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 5B4C216A400; Fri, 9 Feb 2007 18:52:38 +0000 (UTC) (envelope-from rink@thunderstone.rink.nu) Received: from mx1.rink.nu (thunderstone.rink.nu [80.112.228.34]) by mx1.freebsd.org (Postfix) with ESMTP id B46BA13C481; Fri, 9 Feb 2007 18:52:37 +0000 (UTC) (envelope-from rink@thunderstone.rink.nu) Received: from localhost (localhost [127.0.0.1]) by mx1.rink.nu (Postfix) with ESMTP id DCAD6D4C5A; Fri, 9 Feb 2007 19:20:30 +0100 (CET) X-Virus-Scanned: amavisd-new at rink.nu Received: from mx1.rink.nu ([127.0.0.1]) by localhost (thunderstone.rink.nu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 9qoIOfOFtDDQ; Fri, 9 Feb 2007 19:20:22 +0100 (CET) Received: from thunderstone.rink.nu (localhost [127.0.0.1]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by mx1.rink.nu (Postfix) with ESMTP id A5E2AD4C53; Fri, 9 Feb 2007 19:20:22 +0100 (CET) Received: (from rink@localhost) by thunderstone.rink.nu (8.13.8/8.13.8/Submit) id l19IKMPa079565; Fri, 9 Feb 2007 19:20:22 +0100 (CET) (envelope-from rink) Date: Fri, 9 Feb 2007 19:20:21 +0100 From: Rink Springer To: current@FreeBSD.org Message-ID: <20070209182021.GA63685@rink.nu> MIME-Version: 1.0 Content-Type: multipart/signed; protocol="application/x-pkcs7-signature"; micalg=sha1; boundary="lrZ03NoBR/3+SXJZ" Content-Disposition: inline User-Agent: Mutt/1.5.13 (2006-08-11) Cc: multimedia@FreeBSD.org Subject: snd_emu10k1 tremendous interrupt load? X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 09 Feb 2007 18:52:38 -0000 --lrZ03NoBR/3+SXJZ Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hi people, Over the last few days, my CURRENT box has started to slow down to a crawl. top(1) reports most CPU load is spent on interrupts, and a quick vmstat -i to support this completely: interrupt total rate irq1: atkbd0 1631 0 irq15: ata1 14197 2 irq16: pcm0 1056243398 160109 irq17: nvidia0+ 386190689 58540 irq20: ohci0 2739 0 irq22: atapci2 80913 12 irq26: atapci3 58375 8 irq28: bge0 6770 1 cpu0: timer 13193362 1999 cpu1: timer 13193305 1999 Total 1468985379 222674 My soundcard is: pcm0: port 0x2040-0x205f irq 16 at device 4.0 on pci1 pcm0: pciconf -lv says: pcm0@pci1:4:0: class=3D0x040100 card=3D0x80271102 chip=3D0x00021102 rev=3D= 0x06 hdr=3D0x00 vendor =3D 'Creative Labs' device =3D 't4830020080332 Sound Blaster Live! (Also Live! 5.1) - OEM from DELL - CT4780' class =3D multimedia subclass =3D audio Whenever I kldunload the snd_emu10k1 driver, all problems disappear. This is CURRENT from 02-Feb-2007. The box is a Dual Opteron 2x 846 on a Tyan K8SE motherboard. The sound card works fine in Windows XP however. Does anyone have any ideas why this is happening? Quick inspection of /sys/dev/sound/pci/emu10k1.c:emu_intr() seems to hint that the emu_rd(sc, IPR, 4) value takes a long time to clear, anyone have more hints on this annoying behaviour? Regards, --=20 Rink P.W. Springer - http://rink.nu "It is such a quiet thing, to fall. But yet a far more terrible thing, to admit it." - Darth Traya --lrZ03NoBR/3+SXJZ Content-Type: application/x-pkcs7-signature Content-Disposition: attachment; filename="smime.p7s" Content-Transfer-Encoding: base64 MIIJawYJKoZIhvcNAQcCoIIJXDCCCVgCAQExCzAJBgUrDgMCGgUAMAsGCSqGSIb3DQEHAaCC BuIwggObMIIDBKADAgECAhAiuN7bs9pg6t3I0n6G5OOTMA0GCSqGSIb3DQEBBQUAMGIxCzAJ BgNVBAYTAlpBMSUwIwYDVQQKExxUaGF3dGUgQ29uc3VsdGluZyAoUHR5KSBMdGQuMSwwKgYD VQQDEyNUaGF3dGUgUGVyc29uYWwgRnJlZW1haWwgSXNzdWluZyBDQTAeFw0wNjExMDgwOTI2 NTNaFw0wNzExMDgwOTI2NTNaMIHSMREwDwYDVQQEEwhTcHJpbmdlcjEaMBgGA1UEKhMRUmlu ayBQZXRlciBXeWNoZXIxIzAhBgNVBAMTGlJpbmsgUGV0ZXIgV3ljaGVyIFNwcmluZ2VyMRsw GQYJKoZIhvcNAQkBFgxtYWlsQHJpbmsubnUxHzAdBgkqhkiG9w0BCQEWEHJpbmtAZnJlZWJz ZC5vcmcxIDAeBgkqhkiG9w0BCQEWEXJpbmtAaWwuZm9udHlzLm5sMRwwGgYJKoZIhvcNAQkB Fg1yaW5rQHN0YWNrLm5sMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxryGDfel YzzENX7wodkbVY1NALfaiPfNEG10YjD8ZWdK9zkN26Tc878Shbqapq0KYFD8TACGfEhKoMvo qbf0PHAS/gNYr81Arqa9FRPUfzvtDE/cMbhvI+p7ufBITyYnPJp9MUD72iT+DohRR2ISVi3i NAEgDuSbYYNxctnvXqU6O6EPy3mzoFPDoiOQwBfVtFrjxBbND9BUK2bjtUyGt4x8I/Vulzrt qLPTokva+b97DHRgbCA/aLLYIrU6QoqOFJ8GrAbro/FZLYh4m1oJk3FEHVQOKkk7xzIaFmmP QGJRL8m6nrIZFTrQ+X2wmzfLD55K/UiqbekOuMiWbY9EbwIDAQABo10wWzBLBgNVHREERDBC gQxtYWlsQHJpbmsubnWBEHJpbmtAZnJlZWJzZC5vcmeBEXJpbmtAaWwuZm9udHlzLm5sgQ1y aW5rQHN0YWNrLm5sMAwGA1UdEwEB/wQCMAAwDQYJKoZIhvcNAQEFBQADgYEAIfIcieRjePBA wjZqvOdGpyPcNDnK/ubeQSTV5Y4AHWxm1sXhQxB/XrQ3RVdz1qDnBRL1AjkEBAl8e9+am4s6 D6TaSlmJeNXn6ZPJTQecisz3M+AKiMckShM3oAeUi0ktn1yNYR+hz5aQN612XT5OZRYznJVZ kPf1DiA2RVVyz+MwggM/MIICqKADAgECAgENMA0GCSqGSIb3DQEBBQUAMIHRMQswCQYDVQQG EwJaQTEVMBMGA1UECBMMV2VzdGVybiBDYXBlMRIwEAYDVQQHEwlDYXBlIFRvd24xGjAYBgNV BAoTEVRoYXd0ZSBDb25zdWx0aW5nMSgwJgYDVQQLEx9DZXJ0aWZpY2F0aW9uIFNlcnZpY2Vz IERpdmlzaW9uMSQwIgYDVQQDExtUaGF3dGUgUGVyc29uYWwgRnJlZW1haWwgQ0ExKzApBgkq hkiG9w0BCQEWHHBlcnNvbmFsLWZyZWVtYWlsQHRoYXd0ZS5jb20wHhcNMDMwNzE3MDAwMDAw WhcNMTMwNzE2MjM1OTU5WjBiMQswCQYDVQQGEwJaQTElMCMGA1UEChMcVGhhd3RlIENvbnN1 bHRpbmcgKFB0eSkgTHRkLjEsMCoGA1UEAxMjVGhhd3RlIFBlcnNvbmFsIEZyZWVtYWlsIElz c3VpbmcgQ0EwgZ8wDQYJKoZIhvcNAQEBBQADgY0AMIGJAoGBAMSmPFVzVftOucqZWh5owHUE cJ3f6f+jHuy9zfVb8hp2vX8MOmHyv1HOAdTlUAow1wJjWiyJFXCO3cnwK4Vaqj9xVsuvPAsH 5/EfkTYkKhPPK9Xzgnc9A74r/rsYPge/QIACZNenprufZdHFKlSFD0gEf6e20TxhBEAeZBly YLf7AgMBAAGjgZQwgZEwEgYDVR0TAQH/BAgwBgEB/wIBADBDBgNVHR8EPDA6MDigNqA0hjJo dHRwOi8vY3JsLnRoYXd0ZS5jb20vVGhhd3RlUGVyc29uYWxGcmVlbWFpbENBLmNybDALBgNV HQ8EBAMCAQYwKQYDVR0RBCIwIKQeMBwxGjAYBgNVBAMTEVByaXZhdGVMYWJlbDItMTM4MA0G CSqGSIb3DQEBBQUAA4GBAEiM0VCD6gsuzA2jZqxnD3+vrL7CF6FDlpSdf0whuPg2H6otnzYv wPQcUCCTcDz9reFhYsPZOhl+hLGZGwDFGguCdJ4lUJRix9sncVcljd2pnDmOjCBPZV+V2vf3 h9bGCE6u9uo05RAaWzVNd+NWIXiC3CEZNd4ksdMdRv9dX2VPMYICUTCCAk0CAQEwdjBiMQsw CQYDVQQGEwJaQTElMCMGA1UEChMcVGhhd3RlIENvbnN1bHRpbmcgKFB0eSkgTHRkLjEsMCoG A1UEAxMjVGhhd3RlIFBlcnNvbmFsIEZyZWVtYWlsIElzc3VpbmcgQ0ECECK43tuz2mDq3cjS fobk45MwCQYFKw4DAhoFAKCBsTAYBgkqhkiG9w0BCQMxCwYJKoZIhvcNAQcBMBwGCSqGSIb3 DQEJBTEPFw0wNzAyMDkxODIwMjFaMCMGCSqGSIb3DQEJBDEWBBRW3JasJ/bnvRkURFJwiCMX qwgpIjBSBgkqhkiG9w0BCQ8xRTBDMAoGCCqGSIb3DQMHMA4GCCqGSIb3DQMCAgIAgDANBggq hkiG9w0DAgIBQDAHBgUrDgMCBzANBggqhkiG9w0DAgIBKDANBgkqhkiG9w0BAQEFAASCAQCK NBJk3oaox+VDS+ZWoI2Sxj538xRiK7pd4qDomtR6NnFhgalis4LWdUedqgqL+OqO2z1tN7fw iiGYNvjrAVsA1NTpa6H/06U3xCiCro8yF9e41JS4YdvGyG9cxWlUeXSMDdIEBZeXyRJ2vuku sIlyiNHlTnirozcMrC5wwosILfrcJBtWOdmboXOaeUaSy+M/5vMcAX2i+XZ7wqVUmw65bUpT /KsPyo6snN992V4nfWI/4xuY8Br9KZCEC5VZi7cfx4DCQSgBO2g0W79aP/FdTDb4FZakxarR MRgKB2TeuYctuLMyHr86EwzVqfDVkWn6xUhP097r4ILoueni2UQq --lrZ03NoBR/3+SXJZ--