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Date:      Mon, 26 Nov 2001 16:38:12 +0000
From:      Ian Dowse <iedowse@maths.tcd.ie>
To:        "Justin T. Gibbs" <gibbs@scsiguy.com>
Cc:        cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org
Subject:   Re: cvs commit: src/sys/cam/scsi scsi_da.c 
Message-ID:   <200111261638.aa78493@salmon.maths.tcd.ie>
In-Reply-To: Your message of "Sun, 25 Nov 2001 20:49:11 MST." <200111260349.fAQ3nBY40709@aslan.scsiguy.com> 

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In message <200111260349.fAQ3nBY40709@aslan.scsiguy.com>, "Justin T. Gibbs" wri
tes:
>>  Log:
>>  The Infortrend IFT-3102 multihost U2 SCSI to U2 SCSI controller
>>  doesn't support the synchronise cache command.
>>  
>>  PR:             kern/21752
>
>If you look in the PR, the controller properly reports that the
>sync cache command is unsupported.  Quirks should only be used
>for devices that catastrophically fail when a sync cache command
>is sent.  This also gives us the oportunity to *fix* whatever is
>wrong with the code in the da driver that should silenty accept
>a properly rejected sync cache command.  I've looked at the code

Sorry, I must have missed your message in the audit-trail for that
PR where you say basically the same thing. The PR is quite old;
maybe the problem has been fixed since?

Anyway, I'll back out that change and ask the submitter for
more information. Are there any other devices you're aware
of that exibit this behaviour which I might be able to try?

Ian

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