Adaptec AHD U320 operating as only U160
Xin LI
delphij at delphij.net
Sun Feb 17 08:57:30 UTC 2008
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Justin T. Gibbs wrote:
> Niki Denev wrote:
>> I was playing around with DTrace, tracing cam/xpt and the ahd driver and
>> found out that if i comment the following code :
>>
>> if ((spi3caps & SID_SPI_IUS) == 0)
>> spi->ppr_options &= ~MSG_EXT_PPR_IU_REQ;
>>
>> at line 6655 in sys/cam/cam_xpt.c my disks again negotiate as U320 :
>>
>> da0 at ahd0 bus 0 target 0 lun 0
>> da0: <SEAGATE ST336807LW 0C01> Fixed Direct Access SCSI-3 device
>> da0: 320.000MB/s transfers (160.000MHz DT, offset 63, 16bit)
>> da0: Command Queueing Enabled
>> da0: 35003MB (71687372 512 byte sectors: 255H 63S/T 4462C)
>
> The aic79xx driver was not properly exporting its capabilities to
> CAM. This has been addressed as of version 1.30 of aic79xx_osm.c.
> Please let me know if you still have problems.
Seems worked for me.
Cheers,
- --
Xin LI <delphij at delphij.net> http://www.delphij.net/
FreeBSD - The Power to Serve!
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