Date: Fri, 09 Mar 2001 11:41:47 -0500 From: Doug Ledford <dledford@redhat.com> To: Metod Kozelj <metod.kozelj@rzs-hm.si> Cc: DEANDRADE FABIO <fandrade@falcon.cc.ukans.edu>, aic7xxx@FreeBSD.ORG Subject: Re: Device seemingly running at incorrect transfer rate... Message-ID: <3AA907CB.B12702D0@redhat.com> References: <Pine.HPP.3.96.1010309082858.2845E-100000@hmljhp.rzs-hm.si>
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Metod Kozelj wrote:
> > Disconnect Enable Flags: 0xffff
> > Ultra Enable Flags: 0x0000
> > Tag Queue Enable Flags: 0x0000
> > Ordered Queue Tag Flags: 0x0000 Default
> > Tag Queue Depth: 8
> > Tagged Queue By Device array for aic7xxx host instance 0:
> > {255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255}
> > Actual queue depth per device for aic7xxx host instance 0:
> > {1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1}
>
> I'd check with teh SCSI BIOS on settings. At least the tagged queuing
> looks suspicious to me. I would expect that such a driver would support
> more than 1 command at time.
Not suspicious really, just the default. Your version of the driver has been
compiled with TCQ enabled by default, which makes a difference.
--
Doug Ledford <dledford@redhat.com> http://people.redhat.com/dledford
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