Date: Tue, 22 Dec 1998 14:35:39 -0800 From: Julian Elischer <julian@whistle.com> To: "Justin T. Gibbs" <gibbs@narnia.plutotech.com> Cc: Joerg Wunsch <joerg_wunsch@uriah.heep.sax.de>, scsi@FreeBSD.ORG Subject: Re: 3.0R && AHA1540A == no go Message-ID: <36801EBB.3F54BC7E@whistle.com> References: <199812222134.OAA14499@narnia.plutotech.com>
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Justin T. Gibbs wrote: > > In article <19981222173104.28962@uriah.heep.sax.de> you wrote: > > Hi all, > > > > today i've tried to install FreeBSD 3.0R on my scratch machine (that > > used to run some 2.2.x variant before), and the installation kernel > > failed with: > > > > (waiting 15 seconds blah blah) > > panic: Inavlid CCB opcode code 3 hccb = 0xf05aad08 > > I believe that the 1540A does not support residual calculating > CCB opcodes. So, you'd have to modify the driver to use these > opcodes on pre-historic devices. Unfortunately it is impossible > to get correct underrun information without these opcodes, so you'll > have to get creative in this case and you may expose portions of > the CAM code that become confused if the residual reported is incorrect. > > -- > Justin > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-scsi" in the body of the message >From memory, the old driver tried to handle this case so you might look there for clues... julian To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-scsi" in the body of the message
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