Re: WD 93c33 trouble

Michael <[email protected]>
Newsgroups gmane.os.netbsd.ports.sgimips,gmane.os.netbsd.devel.kernel
Message-ID <[email protected]>
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Hello,

On Feb 17, 2009, at 6:50 AM, Izumi Tsutsui wrote:

> [email protected] wrote:
>
>> The problem I'm seeing is this - the wdsc driver deadlocks itself  
>> when
>> probing devices right after probing the first one. I ran into this
>> when trying to put a 2nd disk into my Indy - ARCS reports both  
>> without
>> trouble but NetBSD hangs after probing the first one. There's nothing
>> wrong with the 2nd disk - if I disconnect the other one and netboot
>> the machine NetBSD probes it just fine. Also, if I swap SCSI IDs so
>> the new disk is probed first it's still hanging after probing the
>> first device, so it's neither of the disks.
>>
>> Is anyone else seeing this?
>
> Works for me:
...
> sd0 at scsibus0 target 1 lun 0: <IBM, DCAS-32160, S65A> disk fixed
> sd0: 2063 MB, 8188 cyl, 3 head, 172 sec, 512 bytes/sect x 4226725  
> sectors
> sd0: sync (100.00ns offset 12), 8-bit (10.000MB/s) transfers, tagged  
> queueing
> sd1 at scsibus0 target 2 lun 0: <MELCO, DSC-UGTV, 2.03> disk fixed
> sd1: 76319 MB, 16383 cyl, 16 head, 596 sec, 512 bytes/sect x  
> 156301488 sectors
> sd1: sync (100.00ns offset 12), 8-bit (10.000MB/s) transfers
> cd0 at scsibus0 target 5 lun 0: <TEAC, CD-ROM CD-516S, 1.0D> cdrom  
> removable
> cd0: sync (100.00ns offset 8), 8-bit (10.000MB/s) transfers

I get this:
scsibus0: waiting 2 seconds for devices to settle...
wd33c93_intr: LCI asr:c0 csr:1f
sd0 at scsibus0 target 1 lun 0: <SGI, IBM DORS-32160, WA6A> disk fixed
sd0: 2049 MB, 6703 cyl, 5 head, 125 sec, 512 bytes/sect x 4197405  
sectors
sd0: sync (100.00ns offset 12), 8-bit (10.000MB/s) transfers, tagged  
queueing
boot device: sd0

'LCI' as in 'Last Command Ignored' according to the wd93c33 header.

And I have a ZIP drive with termination enabled on the external SCSI  
port. Removing it doesn't change a thing.

> Note ID 0 is occupied by the host controller on SGI machines.

Yeah, I found that out when setting the 2nd drive's ID to 0 - ARCS  
would complain loudly.

have fun
Michael

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