From owner-freebsd-hackers@FreeBSD.ORG Thu Jul 17 08:08:13 2003 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 85BE837B478; Thu, 17 Jul 2003 08:08:11 -0700 (PDT) Received: from mailout.informatik.tu-muenchen.de (mailout.informatik.tu-muenchen.de [131.159.0.5]) by mx1.FreeBSD.org (Postfix) with ESMTP id 8B4AE43F93; Thu, 17 Jul 2003 08:08:10 -0700 (PDT) (envelope-from langd@informatik.tu-muenchen.de) Date: Thu, 17 Jul 2003 17:07:59 +0200 From: Daniel Lang To: Thomas Quinot Message-ID: <20030717150759.GA811@atrbg11.informatik.tu-muenchen.de> References: <20030704094935.GA335@atrbg11.informatik.tu-muenchen.de> <20030704130345.GA348@atrbg11.informatik.tu-muenchen.de> <20030708184838.GB26342@melusine.cuivre.fr.eu.org> <20030715142556.GA380@atrbg11.informatik.tu-muenchen.de> Mime-Version: 1.0 Content-Type: multipart/signed; protocol="application/x-pkcs7-signature"; micalg=sha1; boundary="DocE+STaALJfprDB" Content-Disposition: inline In-Reply-To: <20030715142556.GA380@atrbg11.informatik.tu-muenchen.de> X-Geek: GCS/CC d-- s: a- C++$ UBS++++$ P+++$ L- E-(---) W+++(--) N++ o K w--- O? M? V? PS+(++) PE--(+) Y+ PGP+ t++ 5+++ X R+(-) tv+ b+ DI++ D++ G++ e+++ h---(-) r++>+++ y+ User-Agent: Mutt/1.5.1i X-Virus-Scanned: by amavisd-new at informatik.tu-muenchen.de cc: freebsd-hackers@freebsd.org Subject: Re: atapicam hangs system X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 17 Jul 2003 15:08:13 -0000 --DocE+STaALJfprDB Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hi, I managed to do some more investigations. Daniel Lang wrote on Tue, Jul 15, 2003 at 04:25:56PM +0200: [..] > After two successful writes, the system hung again, as before. > _No_ messages on the console. I found out, that the hangs do not appear (or way less likely), if the writing speed used is <=3D 12. But they seem to occur very likely if the (attempted) writing speed is like 48. Maybe this is an important hint. Although the drive and the media claim to support speed 48, it seems that the=20 overall throughput is in fact slower. 20-30 as it seems to me. Still I manage to write now and then a CD using this setting, but maybe after a while something gets confused, if the application tries to keep up a high writing speed, but the drive (or rest of the system, bus, etc) cannot keep up with that. Does this sound reasonable or am I poking in the utter darkness here? > I entered the debugger with Ctrl-Alt-Esc and did a trace. > I did not copy everything, because I thought I could use gdb -k > later on (I was wrong). However, what I've saved from the trace was: >=20 > Apparently the system hung in >=20 > camisr(c02f3250,c02b7078,c253aa3,0,10) at camisr+0x8f >=20 > eip: 0xc01279d7, esp: 0xc0297008, ebp: 0xc0297020 >=20 > Please advice what to examine how. [..] > Remote-GDB debugging is not an option, unfortunately. I don't have [..] I withdraw that statement! I did set up a remote gdb session successfully! But it was sort of useless. After the system hung again, I used Ctrl-Alt-Esc to enter DDB. I fired up the remote gdb and told it to remote connect. Then I issued the 'gdb' command to DDB. The remote gdb took over and I was in control. But it seems useless, because the stack did only contain the DDB routines? I include the (as it seems useless) backtrace here: Program received signal SIGTRAP, Trace/breakpoint trap. Debugger (msg=3D0xc02a7c49 "manual escape to debugger") at /usr/src/sys/i386/i386/db_interface.c:319 319 * XXX (kgdb) bt #0 Debugger (msg=3D0xc02a7c49 "manual escape to debugger") at /usr/src/sys/i386/i386/db_interface.c:319 #1 0xc024ce92 in scgetc (sc=3D0xc030cb20, flags=3D2) at /usr/src/sys/dev/syscons/syscons.c:3164 #2 0xc0249645 in sckbdevent (thiskbd=3D0xc0305540, event=3D0, arg=3D0xc030= cb20) at /usr/src/sys/dev/syscons/syscons.c:617 #3 0xc0240ea6 in atkbd_intr (kbd=3D0xc0305540, arg=3D0x0) at /usr/src/sys/dev/kbd/atkbd.c:462 #4 0xc026c48c in atkbd_isa_intr (arg=3D0xc0305540) at /usr/src/sys/isa/atkbd_isa.c:140 #5 0xc02531ef in Xresume1 () How do I get to the hanging routine from here? I'm willing to trace the problem from here, but I need advice how to proceed.=20 Thanks a lot. Daniel --=20 IRCnet: Mr-Spock - "I hear that, if you play the WindowsXP CD backwards, you get a Satanic message!" - "That's nothing. If you play it forward, it installs WindowsXP!" Daniel Lang * dl@leo.org * +49 89 289 18532 * http://www.leo.org/~dl/ --DocE+STaALJfprDB Content-Type: application/x-pkcs7-signature Content-Disposition: attachment; filename="smime.p7s" Content-Transfer-Encoding: base64 MIIXgAYJKoZIhvcNAQcCoIIXcTCCF20CAQExCzAJBgUrDgMCGgUAMAsGCSqGSIb3DQEHAaCC FUAwggbMMIIFtKADAgECAgIVezANBgkqhkiG9w0BAQUFADCBpjELMAkGA1UEBhMCREUxETAP BgNVBAcTCE11ZW5jaGVuMSkwJwYDVQQKEyBUZWNobmlzY2hlIFVuaXZlcnNpdGFldCBNdWVu Y2hlbjEiMCAGA1UECxMZRmFrdWx0YWV0IGZ1ZXIgSW5mb3JtYXRpazEYMBYGA1UEAxMPUkJH LUJlbnV0emVyLUNBMRswGQYJKoZIhvcNAQkBFgxjYUBpbi50dW0uZGUwHhcNMDMwNTIwMTIz MTQyWhcNMDQwNTIxMDAwMDAwWjCBqzELMAkGA1UEBhMCREUxETAPBgNVBAcTCE11ZW5jaGVu MSkwJwYDVQQKEyBUZWNobmlzY2hlIFVuaXZlcnNpdGFldCBNdWVuY2hlbjEiMCAGA1UECxMZ RmFrdWx0YWV0IGZ1ZXIgSW5mb3JtYXRpazEUMBIGA1UEAxMLRGFuaWVsIExhbmcxJDAiBgkq hkiG9w0BCQEWFWRhbmllbC5sYW5nQGluLnR1bS5kZTCBnzANBgkqhkiG9w0BAQEFAAOBjQAw gYkCgYEAk55VXazdhYUuEJAHmO439gJwKVfvcdF64VyP8tzhYwiIx/9FOsQj8r8Gw2g0MDCa X2mCNiSKz32sUI33SQFhBhwxoF6bpq7d6pfeJ7UL+2T/bkRVF/Y7zPuMMK/wMbiEwyfvdjxk 8XsVtpj500LjW7QYdAHlijHRAY2nFk4f8bcCAwEAAaOCA38wggN7MAwGA1UdEwEB/wQCMAAw HQYDVR0OBBYEFPMLcu3eegcL6m8ObwlveYDdoYOpMIHKBgNVHSMEgcIwgb+AFK81Ou8wbY/H n0tx1dgCig9IKGPUoYGjpIGgMIGdMQswCQYDVQQGEwJERTERMA8GA1UEBxMITXVlbmNoZW4x KTAnBgNVBAoTIFRlY2huaXNjaGUgVW5pdmVyc2l0YWV0IE11ZW5jaGVuMSIwIAYDVQQLExlG YWt1bHRhZXQgZnVlciBJbmZvcm1hdGlrMQ8wDQYDVQQDEwZSQkctQ0ExGzAZBgkqhkiG9w0B CQEWDGNhQGluLnR1bS5kZYIBAjAOBgNVHQ8BAf8EBAMCBLAwHQYDVR0lBBYwFAYIKwYBBQUH AwIGCCsGAQUFBwMEMIGxBgNVHREEgakwgaaBD2xhbmdkQGluLnR1bS5kZYEVZGFuaWVsLmxh bmdAaW4udHVtLmRlgR9sYW5nZEBpbmZvcm1hdGlrLnR1LW11ZW5jaGVuLmRlgSVkYW5pZWwu bGFuZ0BpbmZvcm1hdGlrLnR1LW11ZW5jaGVuLmRlgRBsYW5nZEBjcy50dW0uZWR1gRZkYW5p ZWwubGFuZ0Bjcy50dW0uZWR1gQpkbEBsZW8ub3JnMAkGA1UdEgQCMAAwOAYDVR0fBDEwLzAt oCugKYYnaHR0cDovL2NhLmluLnR1bS5kZS9jcmxzL3VzZXJjYV9jcmwuY3JsMBEGCWCGSAGG +EIBAQQEAwIFoDCBnwYJYIZIAYb4QgENBIGRFoGORGllc2VzIFplcnRpZmlrYXQgd3VyZGUg YXVzZ2VzdGVsbHQgZnVlciBEYW5pZWwgTGFuZyB2b24gZGVyIFJCRy1CZW51dHplci1DQSwg RmFrdWx0YWV0IGZ1ZXIgSW5mb3JtYXRpayBkZXIgVGVjaG5pc2NoZW4gVW5pdmVyc2l0YWV0 IE11ZW5jaGVuLjA2BglghkgBhvhCAQMEKRYnaHR0cDovL2NhLmluLnR1bS5kZS9jZ2ktYmlu L3VzZXJjYS1yZXY/MDIGCWCGSAGG+EIBBAQlFiNodHRwOi8vY2EuaW4udHVtLmRlL2NnaS1i aW4vY2EtcmV2PzA2BglghkgBhvhCAQgEKRYnaHR0cDovL2NhLmluLnR1bS5kZS9wb2xpY2ll cy9yYmdjYS5odG1sMA0GCSqGSIb3DQEBBQUAA4IBAQAGrfB5rH9D6jl6Tx+hwXpv0a/TuV39 vIQWMCA1hi0V4pI+bMyGTW1k/Ve5C58wRZv7CSTnxTGoqZmqnV37GGQlZBmvsDE+u3FKL/T7 Tk/rlVajExCXGHwjgHp2FfCaVMawKSUrI60aDcUgLUtT2DKpEfKfr/MC7CDtCaYy6TW93cHc uv2oM+1PN+CIcR5PaqEySmeYoXBMXd6sktjyNUWLxsNhtFMVnOiwF3SZYbRbRobuEWM3o+W7 nijECUIKz8rvK3f/c8v9HlVitMbeaTs4J1nZUR9lsvGLik6vsfIgbmuP6MMkrKFYwq5XTR1x JtMcmvnqcWytpYFDVPGuGaj1MIIHKDCCBRCgAwIBAgIBATANBgkqhkiG9w0BAQUFADCBnTEL MAkGA1UEBhMCREUxETAPBgNVBAcTCE11ZW5jaGVuMSkwJwYDVQQKEyBUZWNobmlzY2hlIFVu aXZlcnNpdGFldCBNdWVuY2hlbjEiMCAGA1UECxMZRmFrdWx0YWV0IGZ1ZXIgSW5mb3JtYXRp azEPMA0GA1UEAxMGUkJHLUNBMRswGQYJKoZIhvcNAQkBFgxjYUBpbi50dW0uZGUwHhcNMDIx MDA5MTY0MTAzWhcNMDQwNTIxMDAwMDAwWjCBpDELMAkGA1UEBhMCREUxETAPBgNVBAcTCE11 ZW5jaGVuMSkwJwYDVQQKEyBUZWNobmlzY2hlIFVuaXZlcnNpdGFldCBNdWVuY2hlbjEiMCAG A1UECxMZRmFrdWx0YWV0IGZ1ZXIgSW5mb3JtYXRpazEWMBQGA1UEAxMNUkJHLVNlcnZlci1D QTEbMBkGCSqGSIb3DQEJARYMY2FAaW4udHVtLmRlMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8A MIIBCgKCAQEAzAHBIFy4tKTvbMMg037hc9t2jR5MVpEUIPvrSWC4xpbr6Hw7abQW/lRfFpV8 enf9tSgfcl8kvGjAAD8AYeuDash6TQSUjBdZCe7V297oZ0dsuurZBkM5BwvLWF8vMiY+SD/+ XTqhnU6B/E9C+R5VXjXsXV2u9hDtKVC5hqVgnxRM5rT/LsUhcchgAXk2WuI8r9Llb+voPWwM FmHk2jxUwhvxZfGo15HDrvJUgzYsL36SmeYMI9Eo70uGmAQRPVVq2zn/3AC4z8X1cBd3ItnH YPbx0iUH5kEGq2KH5iCndwNq9oaFhKj+Y34wEv5BYl6sb5C9EBvtGyebNwuvmtC3tQIDAQAB o4ICaDCCAmQwDwYDVR0TAQH/BAUwAwEB/zAdBgNVHQ4EFgQUH9QPe0VQVF1D2v8Su/itK/4O QMwwgcoGA1UdIwSBwjCBv4AU2WV+TUF/hD+1KtZ7E519yuW0XRqhgaOkgaAwgZ0xCzAJBgNV BAYTAkRFMREwDwYDVQQHEwhNdWVuY2hlbjEpMCcGA1UEChMgVGVjaG5pc2NoZSBVbml2ZXJz aXRhZXQgTXVlbmNoZW4xIjAgBgNVBAsTGUZha3VsdGFldCBmdWVyIEluZm9ybWF0aWsxDzAN BgNVBAMTBlJCRy1DQTEbMBkGCSqGSIb3DQEJARYMY2FAaW4udHVtLmRlggEAMA4GA1UdDwEB /wQEAwIBBjATBgNVHSUEDDAKBggrBgEFBQcDATA0BgNVHR8ELTArMCmgJ6AlhiNodHRwOi8v Y2EuaW4udHVtLmRlL2NybHMvY2FfY3JsLmNybDARBglghkgBhvhCAQEEBAMCAgQwgYQGCWCG SAGG+EIBDQR3FnVaZXJ0aWZpa2F0IGZ1ZXIgUkJHLVNlcnZlci1DQSBhdXNnZXN0ZWxsdCB2 b24gUkJHLUNBLCBGYWt1bHRhZXQgZnVlciBJbmZvcm1hdGlrIGRlciBUZWNobmlzY2hlbiBV bml2ZXJzaXRhZXQgTXVlbmNoZW4wMgYJYIZIAYb4QgEEBCUWI2h0dHA6Ly9jYS5pbi50dW0u ZGUvY2dpLWJpbi9jYS1yZXY/MDwGCWCGSAGG+EIBCAQvFi1odHRwOi8vY2EuaW4udHVtLmRl L3BvbGljaWVzL3NlcnZlcmNhcG9sLmh0bWwwDQYJKoZIhvcNAQEFBQADggIBAMzKnULQb6Kd hPNmKKmPSJJUOtbHxGH7Qi8paskt7dzDja/X7wz3524LGN2f05c1uAfyAP9Ar0nFthWy0qeM ueOtrOcSCj8AYwYN5H4drMC8GglQwlkD0M/nhPJ5xtAj8JzNYHzG1DK5tVgoJnF+t4KmTpI6 QJ6Dh3XDoZXubWd0jkHxQIzOKhs9PPjEzydmerC7B3Zt8vh7457Sk6wwZFhXc+nkeIIplnlD sBioOSyF7hZOwx4I2Auxss1zsyUQHCX88sOuZC0kYB7yRd1TMRti8josznux8k13sZBezFMP S2yCuKRBEk5Nt57OyGbIF4O7Mhn01mTnol2BDpTKJek45bIpRvSLl/xRPpjnzxLO1rXtXgCs GtkmXj+Zwo5fnL6OvZIiFgMV4ASsFclZexceHxDjpia1IHSFB/4I5fAys8Bw03idI+rfsla1 mW0AJuw260QgoBz+b+LKGosJdNosMfOJmNl0vW3Kq6NfYpZLkG0YJF9Xo6vsATFk9kNq56ye ila80uE2wDO/BGAcBMWQ4uwfrWqVPoW5X/oHcPISApnCBeZ+LyWvnTkgxCUeyqyxNOvaA/j7 jUoBb9l+GWup8EGND16mR/wYWAxYLgis1pn5QmSTbbKSWKcqDo6HBo1Zx9XRf76CZc7RJRp9 EXqYrkmlL9eg7qcnnS1rJbqxMIIHQDCCBSigAwIBAgIBAjANBgkqhkiG9w0BAQUFADCBnTEL MAkGA1UEBhMCREUxETAPBgNVBAcTCE11ZW5jaGVuMSkwJwYDVQQKEyBUZWNobmlzY2hlIFVu aXZlcnNpdGFldCBNdWVuY2hlbjEiMCAGA1UECxMZRmFrdWx0YWV0IGZ1ZXIgSW5mb3JtYXRp azEPMA0GA1UEAxMGUkJHLUNBMRswGQYJKoZIhvcNAQkBFgxjYUBpbi50dW0uZGUwHhcNMDIx MDA5MTcwMzUyWhcNMDQwNTIxMDAwMDAwWjCBpjELMAkGA1UEBhMCREUxETAPBgNVBAcTCE11 ZW5jaGVuMSkwJwYDVQQKEyBUZWNobmlzY2hlIFVuaXZlcnNpdGFldCBNdWVuY2hlbjEiMCAG A1UECxMZRmFrdWx0YWV0IGZ1ZXIgSW5mb3JtYXRpazEYMBYGA1UEAxMPUkJHLUJlbnV0emVy LUNBMRswGQYJKoZIhvcNAQkBFgxjYUBpbi50dW0uZGUwggEiMA0GCSqGSIb3DQEBAQUAA4IB DwAwggEKAoIBAQCtYQ5ycRY6fyrlvJgpeQCNhPxQduU59Kpv6xWId9sHL8NyI7nlmlWzMroD ddIqeg7QvvtPS+xorbQJ9rxh94lXZtwlGPYg4LC/1PHGnDt+8RGiq8GLbHyeJZoQnEGSovyn uR4wZ9qnApFRsXcUZ5W/CSSwjKnQeN39oFj8EC4xtmUuudV65sxGuGToRVoSnjeULJKYBNnC RxVx2MU5exKGQAuvgaVd7Ozb7ziZyWxhVCNrUQOGrSKDgyKLguWTNnD7sSOiOpie3IX8H2DV DvbcKcmMQr8ojwWutNDPadOth+J6qd/modqxB1VbH8wu0lezbhPM5dh7yUFCEqZoXXh9AgMB AAGjggJ+MIICejAPBgNVHRMBAf8EBTADAQH/MB0GA1UdDgQWBBSvNTrvMG2Px59LcdXYAooP SChj1DCBygYDVR0jBIHCMIG/gBTZZX5NQX+EP7Uq1nsTnX3K5bRdGqGBo6SBoDCBnTELMAkG A1UEBhMCREUxETAPBgNVBAcTCE11ZW5jaGVuMSkwJwYDVQQKEyBUZWNobmlzY2hlIFVuaXZl cnNpdGFldCBNdWVuY2hlbjEiMCAGA1UECxMZRmFrdWx0YWV0IGZ1ZXIgSW5mb3JtYXRpazEP MA0GA1UEAxMGUkJHLUNBMRswGQYJKoZIhvcNAQkBFgxjYUBpbi50dW0uZGWCAQAwDgYDVR0P AQH/BAQDAgEGMB0GA1UdJQQWMBQGCCsGAQUFBwMCBggrBgEFBQcDBDA0BgNVHR8ELTArMCmg J6AlhiNodHRwOi8vY2EuaW4udHVtLmRlL2NybHMvY2FfY3JsLmNybDAJBgNVHRIEAjAAMBEG CWCGSAGG+EIBAQQEAwIBBjCBhwYJYIZIAYb4QgENBHoWeFplcnRpZmlrYXQgZnVlciBSQkct QmVudXR6ZXItQ0EsIGF1c2dlc3RlbGx0IHZvbiBSQkctQ0EsIEZha3VsdGFldCBmdWVyIElu Zm9ybWF0aWsgZGVyIFRlY2huaXNjaGVuIFVuaXZlcnNpdGFldCBNdWVuY2hlbjAyBglghkgB hvhCAQQEJRYjaHR0cDovL2NhLmluLnR1bS5kZS9jZ2ktYmluL2NhLXJldj8wOgYJYIZIAYb4 QgEIBC0WK2h0dHA6Ly9jYS5pbi50dW0uZGUvcG9saWNpZXMvdXNlcmNhcG9sLmh0bWwwDQYJ KoZIhvcNAQEFBQADggIBAJapnE3b+p2nrryUkfTEl5iKTl7o8hLrB4FbLZsdBs16pIb0fIIq yGR0wlv0Qq5OLHm1hQzGkfhqEb2O+oBQJgaykxAB+6rKKOJdL12LSQrYXbDV8t/isyurwkFi fmcWDxVF4reDcz8F61KrVz46k2KtdY39CcuW+x1xQZRgier+jdBLLsbkM21XkufUrwnnO5Vr j0cD48XmcsVuWF0EkGo49jPHk8LG2cMyhQR/ZT4f1kegi9WmoV4NjKJnEU2QaTfbLUb2i509 RYf31oDnhq6oO1wCcRvVeDfyx5aj0y68sL1ySNmTQEELOmOFPqmVqa9BAR4wzuTXJi9UvOwF tQMsKq9AX4cFegDl4D4E5QQ7JladBMvJ0VALdGSGlGHARQGvO8SvapsOTVPC5n+UD6jwhTw0 pCPSypzIIrpT9vjxD7bDvudOfKguVRuX8poWID7yXcB0ApHdoNIMrGJx1Tc6SN6rGKWYre+W y/AsqMNNmR+YrJn/UOs6lKX9TtaHOFbxNPwo7RgdRg/srESEtIQ5IKkPA0Vt9Eh5H3VWBhrU b1gmvyNTwJFRqYmFhr7jFFdgnX3Jsbw81jl1z4jLdeeslLxs8vmnwQvWRz3BEPo+g0mrIuYt QjSdgGF8xHgyeRxfa8o3P/rncBysyNYe/AdWd6UGPmompEBZuFzSN+G8MYICCDCCAgQCAQEw ga0wgaYxCzAJBgNVBAYTAkRFMREwDwYDVQQHEwhNdWVuY2hlbjEpMCcGA1UEChMgVGVjaG5p c2NoZSBVbml2ZXJzaXRhZXQgTXVlbmNoZW4xIjAgBgNVBAsTGUZha3VsdGFldCBmdWVyIElu Zm9ybWF0aWsxGDAWBgNVBAMTD1JCRy1CZW51dHplci1DQTEbMBkGCSqGSIb3DQEJARYMY2FA aW4udHVtLmRlAgIVezAJBgUrDgMCGgUAoIGxMBgGCSqGSIb3DQEJAzELBgkqhkiG9w0BBwEw HAYJKoZIhvcNAQkFMQ8XDTAzMDcxNzE1MDc1OVowIwYJKoZIhvcNAQkEMRYEFBfQ7DZCa7Hy /reofUZLPW3mI8NmMFIGCSqGSIb3DQEJDzFFMEMwCgYIKoZIhvcNAwcwDgYIKoZIhvcNAwIC AgCAMA0GCCqGSIb3DQMCAgFAMAcGBSsOAwIHMA0GCCqGSIb3DQMCAgEoMA0GCSqGSIb3DQEB AQUABIGALnFXh+3HQ7sxJb9sjOGc4Sn06Air6zcAaxMvcL8Uf66KXhX6ZTTb9qARwzYAd+lH xWGoWnYigFZo69vefPgtNxAi3czOD8s2jVQ1YQvOrvihYpxW/8Bi2T0gQ360BUsVz0jhF4lZ DKQRQLgpri3oZCJaqti+WC+Ymy3QxBEu5wI= --DocE+STaALJfprDB--