Date: Wed, 8 Jan 2003 21:20:02 -0800 (PST) From: "LiuKang" <lazykang@hotmail.com> To: freebsd-bugs@FreeBSD.org Subject: Re: kern/46537: amr(4) hangs system on -CURRENT or make panic, and conditionally Message-ID: <200301090520.h095K2XV020622@freefall.freebsd.org>
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The following reply was made to PR kern/46537; it has been noted by GNATS. From: "LiuKang" <lazykang@hotmail.com> To: <freebsd-gnats-submit@FreeBSD.org>, <delphij@hotmail.com> Cc: <emoore@FreeBSD.org>, <re@freebsd.org> Subject: Re: kern/46537: amr(4) hangs system on -CURRENT or make panic, and conditionally Date: Thu, 9 Jan 2003 13:11:35 +0800 This is a multi-part message in MIME format. ------=_NextPart_000_0000_01C2B7E0.932C3360 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit I tried to enable debug option in amr driver by adding :"CFLAGS= -O -pipe -DAMR_DEBUG COPTFLAGS= -O -pipe -DAMR_DEBUG" in /etc/make.conf and add some printf() in amr.c for debug. I think I find the problem , but I do not know how to solve it. In amr.c (Revision 1.38) Line 1008: while(sc->amr_mailbox->mb_nstatus == 0xFF); The value of sc->amr_mailbox->mb_nstatus is always 255, it seems that amr card should change the value of mb_nstatus itself. (my card is dell PERC3/DC) In pr 45698 http://www.freebsd.org/cgi/query-pr.cgi?pr=45698 I find there is the same problem in HP's raid card on 5.0. 5.0 is about to release, device amr is widely used in servers, I think this problem should be considered as critical. ------=_NextPart_000_0000_01C2B7E0.932C3360 Content-Type: application/x-pkcs7-signature; name="smime.p7s" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="smime.p7s" MIAGCSqGSIb3DQEHAqCAMIACAQExCzAJBgUrDgMCGgUAMIAGCSqGSIb3DQEHAQAAoIIJnzCCAy0w ggKWoAMCAQICAQAwDQYJKoZIhvcNAQEEBQAwgdExCzAJBgNVBAYTAlpBMRUwEwYDVQQIEwxXZXN0 ZXJuIENhcGUxEjAQBgNVBAcTCUNhcGUgVG93bjEaMBgGA1UEChMRVGhhd3RlIENvbnN1bHRpbmcx KDAmBgNVBAsTH0NlcnRpZmljYXRpb24gU2VydmljZXMgRGl2aXNpb24xJDAiBgNVBAMTG1RoYXd0 ZSBQZXJzb25hbCBGcmVlbWFpbCBDQTErMCkGCSqGSIb3DQEJARYccGVyc29uYWwtZnJlZW1haWxA dGhhd3RlLmNvbTAeFw05NjAxMDEwMDAwMDBaFw0yMDEyMzEyMzU5NTlaMIHRMQswCQYDVQQGEwJa QTEVMBMGA1UECBMMV2VzdGVybiBDYXBlMRIwEAYDVQQHEwlDYXBlIFRvd24xGjAYBgNVBAoTEVRo 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