Initialization timeouts in MPT driver

Mattew Jacob mj at feral.com
Tue Oct 11 23:22:27 UTC 2011


On 10/6/2011 8:59 AM, Matthew Jacob wrote:
> On 10/6/2011 8:43 AM, Andrew Boyer wrote:
>> When using mpt with a 1068e, a bad SATA SSD can prevent all other 
>> SATA drives from being recognized.  It takes about 45s for the 
>> controller to respond to the IOC initialization request with a bad 
>> drive installed, but the timeout for SAS controllers is 30s.
>
> That's one way to do it. But it can fail also.
>
> In my own version of the mpt2 driver, I changed the logic and allowed 
> for ioc port initialization to complete at a later time. Dunno what 
> mps does (never use it). Perhaps the same thing could be done for mpt. 
> That said, this is probably not an unreasonable change.

Has anyone else followed up on this?



More information about the freebsd-scsi mailing list