Messages in this thread | | | Date | Tue, 12 Mar 2002 15:20:24 +0000 (GMT) | From | Matthew Kirkwood <> | Subject | Re: aic7xxx: Slow negotiation? |
| |
On Mon, 11 Mar 2002, Justin T. Gibbs wrote:
> >The new aic7xxx driver (in 2.4.17, 2.5.1-pre1 and 2.5.6, at > >least) negotiates only 11.626MB/s transfers from my disks. > >The old one can extract 40MB/s transfers (though the disks > >themselves can only do a little over 20MB/s each). > > Go into SCSI-Select and change all of the sync rate values to > something other than you want. Save the changes. Reboot. Go back > into SCSI-Select and change the sync values to what you want. The > driver will then recognize them.
Worked a treat, thanks very much.
> Some MB manufacturers using the aic7895 screwed up the initialation of > the serial eeprom while they were assembling their boards. The old > driver tries to work around this, but the work-around means converting > one of the lower sync rates into meaning "full speed". I decided that > just wasn't safe to put in the new driver.
Is a warning printk() possible?
Cheers, Matthew.
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |