Date: Tue, 13 May 2003 09:52:03 -0700 From: Lars Eggert <larse@ISI.EDU> To: Dag-Erling Smorgrav <des@ofug.org> Cc: current@FreeBSD.org Subject: Re: 5.1-RELEASE TODO Message-ID: <3EC122B3.3000301@isi.edu> In-Reply-To: <xzpof26vnds.fsf@flood.ping.uio.no> References: <200305131300.h4DD0Ecd059610@fledge.watson.org> <xzpof26vnds.fsf@flood.ping.uio.no>
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This is a cryptographically signed message in MIME format. --------------ms010407070903050804030006 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Dag-Erling Smorgrav wrote: > Robert Watson <rwatson@FreeBSD.org> writes: > >> |-----------------+-------------+-------------+--------------------------| >> | Panic on | | | If a network device | >> | load/unload a | | | driver, possibly any | >> | kernel module | | | driver, is linked into | >> | for a driver | Patch | Maxime | the kernel and then | >> | already | submitted | Henrion | loaded and unloaded as a | >> | statically | | | module, the kernel will | >> | linked into the | | | panic. This has been | >> | kernel. | | | observed with both if_dc | >> | | | | and if_fxp. | >> |-----------------+-------------+-------------+--------------------------| > > I'm unable to reproduce this; kldload refuses to load a module which > is already present, and if you try to preload a driver which is > compiled into the kernel, the kernel will refuse to register it. I've seen panics like this happen with loading such duplicate modules via /boot/loader.conf (i.e. not with kldload from the console.) Is this what you mean by "preload"? It doesn't happen for all modules, but it does for some. I think I remember random.ko being one that caused problems, but I'm not sure, and can't test right now (away from the machine). Lars -- Lars Eggert <larse@isi.edu> USC Information Sciences Institute --------------ms010407070903050804030006 Content-Type: application/x-pkcs7-signature; name="smime.p7s" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="smime.p7s" Content-Description: S/MIME Cryptographic Signature MIAGCSqGSIb3DQEHAqCAMIACAQExCzAJBgUrDgMCGgUAMIAGCSqGSIb3DQEHAQAAoIIJtjCC AzgwggKhoAMCAQICEGZFcrfMdPXPY3ZFhNAukQEwDQYJKoZIhvcNAQEEBQAwgdExCzAJBgNV BAYTAlpBMRUwEwYDVQQIEwxXZXN0ZXJuIENhcGUxEjAQBgNVBAcTCUNhcGUgVG93bjEaMBgG A1UEChMRVGhhd3RlIENvbnN1bHRpbmcxKDAmBgNVBAsTH0NlcnRpZmljYXRpb24gU2Vydmlj ZXMgRGl2aXNpb24xJDAiBgNVBAMTG1RoYXd0ZSBQZXJzb25hbCBGcmVlbWFpbCBDQTErMCkG CSqGSIb3DQEJARYccGVyc29uYWwtZnJlZW1haWxAdGhhd3RlLmNvbTAeFw0wMDA4MzAwMDAw MDBaFw0wNDA4MjcyMzU5NTlaMIGSMQswCQYDVQQGEwJaQTEVMBMGA1UECBMMV2VzdGVybiBD YXBlMRIwEAYDVQQHEwlDYXBlIFRvd24xDzANBgNVBAoTBlRoYXd0ZTEdMBsGA1UECxMUQ2Vy dGlmaWNhdGUgU2VydmljZXMxKDAmBgNVBAMTH1BlcnNvbmFsIEZyZWVtYWlsIFJTQSAyMDAw 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