[vortex] Re: 3Ware controller S2468 and 3Com 3c982
Donald Becker
becker@scyld.com
Thu Nov 21 22:51:01 2002
On Thu, 21 Nov 2002, Bogdan Costescu wrote:
> On Wed, 20 Nov 2002, Claude Pignol wrote:
>
> > Marcel de Riedmatten has suggested to change the latency value of 3c982
> > using setpci. It changes the value (80 for eth0 can be change to 72 )
> > but the min or max latency doesn't change. It seems that setpci can not
> > change these registers. Anyway changing to 72 or a lower value doesn't
> > fix the problem.
>
> My knowledge in this area is limited, but I think that what you want is to
> lower the latency for 3Ware so that it doesn't keep the bus busy for so
> long.
You want to lower the minimum grant value. The lspci and setpci
programs use non-standard, misleading names. That makes it more
difficult to understand and solve these problems.
--
Donald Becker becker@scyld.com
Scyld Computing Corporation http://www.scyld.com
410 Severn Ave. Suite 210 Scyld Beowulf cluster system
Annapolis MD 21403 410-990-9993