Date: Thu, 01 Oct 1998 19:16:31 -0500 From: Doug Ledford <dledford@dialnet.net> To: Michael Kunze <mkunze@ivw.de> Cc: linux-kernel@vger.rutgers.edu, aic7xxx@FreeBSD.ORG Subject: Re: aic7xxx testers needed Message-ID: <36141B5F.67A7362E@dialnet.net> References: <009801bded38$02594c00$dc1110ac@jeroen> <3613BE9A.66CAAAC@ivw.de>
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Michael Kunze wrote:
>
> > >The aic7xxx-5.1.0-pre13 driver has just been released. This driver is what
> > >I consider to be a final release candidate (except the debugging stuff is
> > >still enabled). I would ask as many people as possible to please try this
> > >version of the driver out and let me know if you have problems. If I don't
> > >here back from people that there are problems in this driver, then it will
> > >shortly become the official aic7xxx-5.1.0 driver for linux.
> >
>
> I've tested the driver with Linux 2.1.123 on an Asus P2B-LS and it seems to
> work. What makes me wonder is that during the boot process the driver claims
> running with 80 Mbyte synchronous:
>
> 4>scsi0 : Adaptec AHA274x/284x/294x (EISA/VLB/PCI-Fast SCSI) 5.1.0pre13/3.2.4
> <4> <Adaptec AIC-7890/1 Ultra2 SCSI host adapter>
> <4>scsi : 1 host.
> <4>scsi : aborting command due to timeout : pid 1, scsi0, channel 0, id 0, lun
> 0
> 0x12 00 00 00 ff 00
> <4>SCSI host 0 abort (pid 1) timed out - resetting
> <4>SCSI bus is being reset for host 0 channel 0.
> <6>(scsi0:0:0:0) Synchronous at 80.0 Mbyte/sec, offset 15.
> <4> Vendor: IBM Model: DGHS09V Rev: 03C0
> <4> Type: Direct-Access ANSI SCSI revision: 03
>
> If i take a look into /proc/scsi/aic7xxx/0, i see
Pre15 should fix the reset at startup thing, and it slightly changes the
parsing of the device settings and may also fix the negotiation stuff you
are seeing here.
> Statistics:
> (scsi0:0:0:0)
> Device using Wide/Async transfers.
> ^ ^ ^ ^
> Device Negotiation Settings
> Period Offset Bus Width
> User 000 000 1
> Goal 000 000 1
> Current 000 000 1
> Total transfers 3595 (3370 read;225 written)
> blks(512) rd=16267; blks(512) wr=654
>
> So, what is the REAL transfer mode? 80 Mbyte/s synchronous or 20 MByte/s or
> less asynchronous?
>
> BTW: Doug should clean up his patch for 2.1.123. I've got a rejection for hunk
> 219 and had to clean up manually.
You shouldn't have any failed patches, they apply cleanly here for me
against a pristine 2.1.123 tree.
--
Doug Ledford <dledford@dialnet.net>
Opinions expressed are my own, but
they should be everybody's.
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