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Date:      Sat, 10 Jun 2000 20:33:59 +0200
From:      Jesper Skriver <jesper@skriver.dk>
To:        "Bradley T. Hughes" <bhughes@trolltech.com>
Cc:        freebsd-stable@freebsd.org, freebsd-scsi@freebsd.org
Subject:   Re: Problem with newer sym driver on a Tekram DC-390U2W controller
Message-ID:  <20000610203359.C97714@skriver.dk>
In-Reply-To: <Pine.BSF.4.21.0006101956070.89051-300000@reticent.troll.no>; from bhughes@trolltech.com on Sat, Jun 10, 2000 at 08:18:41PM %2B0200
References:  <Pine.BSF.4.21.0006101956070.89051-300000@reticent.troll.no>

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On Sat, Jun 10, 2000 at 08:18:41PM +0200, Bradley T. Hughes wrote:
> My system at work has on of the mentioned controllers, which uses a
> Symbios 53C895 chip.
> 
> I installed FreeBSD 4.0-RELEASE on the machine when I got the box, and was
> happy to see that da0 reported 40mb/s transfer rates.
> 
> Soon after I cvsup'ed to -STABLE, which had an updated sym driver (1.5.3
> from May 06), and my disk performance dropped dramatically.  Upon
> investigation, I noticed that da0 was reporting only 6.6mb/s transfer
> rates.

It's not a general problem, the below is from a 4.0-STABLE machine as of
about a week ago

sym0: <895> port 0x1400-0x14ff mem 0xfa100000-0xfa100fff,0xfa106000-0xfa1060ff irq 16 at device 11.0 on pci0
sym0: Tekram NVRAM, ID 7, Fast-40, LVD, parity checking
sym1: <895> port 0x1800-0x18ff mem 0xfa101000-0xfa101fff,0xfa106400-0xfa1064ff irq 17 at device 12.0 on pci0
sym1: Tekram NVRAM, ID 7, Fast-40, LVD, parity checking
sym2: <875> port 0x2000-0x20ff mem 0xfa102000-0xfa102fff,0xfa106800-0xfa1068ff irq 21 at device 13.0 on pci0
sym2: No NVRAM, ID 7, Fast-20, SE, parity checking
sym3: <875> port 0x2400-0x24ff mem 0xfa103000-0xfa103fff,0xfa106c00-0xfa106cff irq 22 at device 13.1 on pci0
sym3: No NVRAM, ID 7, Fast-20, SE, parity checking
sym4: <895> port 0x2800-0x28ff mem 0xfa104000-0xfa104fff,0xfa107000-0xfa1070ff irq 18 at device 14.0 on pci0
sym4: Tekram NVRAM, ID 7, Fast-40, LVD, parity checking

[cut]

da3 at sym2 bus 0 target 0 lun 0
da3: <Eurolog Voyager3000 0131> Fixed Direct Access SCSI-2 device
da3: 40.000MB/s transfers (20.000MHz, offset 16, 16bit), Tagged Queueing Enabled
da3: 70076MB (143515904 512 byte sectors: 255H 63S/T 8933C)
da4 at sym0 bus 0 target 0 lun 0
da4: <IBM DDYS-T09170N S80D> Fixed Direct Access SCSI-3 device
da4: 6.600MB/s transfers (16bit), Tagged Queueing Enabled
da4: 8748MB (17916240 512 byte sectors: 255H 63S/T 1115C)
da22 at sym4 bus 0 target 0 lun 0
da22: <IBM DDYS-T09170N S80D> Fixed Direct Access SCSI-3 device
da22: 6.600MB/s transfers (16bit), Tagged Queueing Enabled
da22: 8748MB (17916240 512 byte sectors: 255H 63S/T 1115C)

[cut]

da2 at sym3 bus 0 target 2 lun 0
da2: <IBM DCAS-34330 S65A> Fixed Direct Access SCSI-2 device
da2: 20.000MB/s transfers (20.000MHz, offset 15)
da2: 4134MB (8467200 512 byte sectors: 255H 63S/T 527C)
da1 at sym3 bus 0 target 1 lun 0
da1: <IBM DCAS-34330 S65A> Fixed Direct Access SCSI-2 device
da1: 20.000MB/s transfers (20.000MHz, offset 15)
da1: 4134MB (8467200 512 byte sectors: 255H 63S/T 527C)
da0 at sym3 bus 0 target 0 lun 0
da0: <IBM DORS-32160 WA0A> Fixed Direct Access SCSI-2 device
da0: 20.000MB/s transfers (20.000MHz, offset 15), Tagged Queueing Enabled
da0: 2063MB (4226725 512 byte sectors: 255H 63S/T 263C)
cd0 at sym3 bus 0 target 3 lun 0
cd0: <IBM CDRM00203\\000\\000\\000\\000\\000!K BZ26> Removable CD-ROM SCSI-2 device
cd0: 5.000MB/s transfers (5.000MHz, offset 15)
cd0: Attempt to query device size failed: NOT READY, Medium not present


/Jesper

-- 
Jesper Skriver, jesper(at)skriver(dot)dk  -  CCIE #5456
Work:    Network manager @ AS3292 (Tele Danmark DataNetworks)
Private: Geek            @ AS2109 (A much smaller network ;-)

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