RE: [patch 16/17] mptbase: reset ioc initiator during PCI resume

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On Tuesday, October 02, 2007 3:38 PM,  Darrick J. Wong wrote:

> 
> It appears that the LSI SAS 1064E chip needs to be reset after a
> suspend/resume cycle before the driver attempts further 
> communications with
> the chip.  Without this patch, resuming the chip results in this error
> message being printed repeatedly and no more disk I/O.
> 
> mptbase: ioc0: ERROR - Invalid IOC facts reply, msgLength=0 
> offsetof=6!
> 
> So far it seems to fix suspend/resume on all the MPT Fusion 
> cards I have
> (SAS and U320 SCSI) but since I don't know the internals of 
> that chip I
> can't say for sure if this is a proper fix.
> 

I replied to this thread a couple times last week, and no response from
Darrick.   I doubt this is required becase the MESSAGE_UNIT_RESET is
issued from inside mpt_do_ioc_recovery.  I need some logs with debug
enabled.   Darrick did you see my email?

Eric  
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