RE: PE2650 / Perc 3Di crash

On Tue, 5 Aug 2003, Salyzyn, Mark wrote:

> Deanna no longer works for Adaptec :-(. I have been instructed to replace
> her duties regarding the aacraid and dpt_i2o drivers for Linux.
> 
> 2.4.22-pre6-ac1 has 100 ...
> 
> James Bourne has already indicated that with 100, the problem still occurs.
> Can someone experiment with, lets say, 64 on an offending system? Adaptec

Hi,
I've updated my 2.4.20 to aacraid driver from 2.4.22-pre10 and changed
AAC_NUM_IO_FIB to 64 in this build.  I'll also turn write caching back on
in the controller as we know that is required to cause a crash (or
at least I've not been able to crash the crontroller/driver without it on).

Regards
James Bourne

> *is* exploring how to get back to 512 reliably on all variants of adapters,
> but I must remind you that not all adapters have this `low' limit. This is
> but a case of least common denominator ...
> 
> Good on the verify not finding an issue, this means that you are more likely
> to have *this* bug rather than the a troublesome drive, but it does not
> necessarily mean that you do not have a troublesome drive. There is a
> possibility that the combination of outstanding commands and error recovery
> on troublesome drives could be giving us your headache.
> 
> Sincerely -- Mark Salyzyn
> 

-- 
James Bourne, Supervisor Data Centre Operations
Mount Royal College, Calgary, AB, CA
www.mtroyal.ab.ca

"There are only 10 types of people in this world: those who
understand binary and those who don't."

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