getencstat and smp_discover get stuck with lsi mps

[Leon Meßner]

On Wed, Feb 08, 2012 at 11:59:14PM +0530, Desai, Kashyap wrote:
> There are couple of fix went after 11.255.x version of mps driver. (which currently upstreamed)
> I have attached those fixes here as combined patch.
> 
> I have also observed this issue in my lab. (so most likely you will see fix using attached patch.)

Applies cleanly, compiles and fixed my problem.

Thanks, Leon

> > -----Original Message-----
> > From: owner-freebsd-scsi at freebsd.org [mailto:owner-freebsd-
> > scsi at freebsd.org] On Behalf Of Leon Meßner
> > Sent: Wednesday, February 08, 2012 8:55 PM
> > To: freebsd-scsi at freebsd.org
> > Subject: getencstat and smp_discover get stuck with lsi mps
> > 
> > Hi,
> > at first thank you for the new LSI mps driver. Works like a charm until
> > now. I do see a problem using getencstat or smp_discover from the
> > smp_utils-0.97 package. Both just hang and dont recover.
> > 
> > # ps axlwww | grep getenc
> >   UID   PID  PPID CPU PRI NI    VSZ    RSS MWCHAN STAT  TT      TIME
> > COMMAND
> >     0  1879  1717   0  20  0   3924    836 cgticb D+     0   0:00.00
> > ./getencstat /dev/ses0
> > 
> > I did get some output from getencstat while using the old driver under
> > 8-STABLE (now running 9-STABLE from the 6th). Hardware is a 9200-8e
> > (mps0) and one Supermicro SC847E16-RJBOD1 which features two expander
> > chips. There is also another onboard mps controller which has only
> > drives attached. pciconf -lv and dmesg regarding ses devices attached.
> > 
> > Greetings,
> > Leon
> > 
> > mps0 at pci0:1:0:0:        class=0x010700 card=0x30801000 chip=0x00721000
> > rev=0x03 hdr=0x00
> >     vendor     = 'LSI Logic / Symbios Logic'
> >     device     = 'SAS2008 PCI-Express Fusion-MPT SAS-2 [Falcon]'
> >     class      = mass storage
> >     subclass   = SAS
> > 
> > # dmesg | grep ses
> > ses0 at mps0 bus 0 scbus0 target 8 lun 0
> > ses0: <LSI CORP SAS2X36 0417> Fixed Enclosure Services SCSI-5 device
> > ses0: 600.000MB/s transfers
> > ses0: Command Queueing enabled
> > ses0: SCSI-3 SES Device
> > ses1 at mps0 bus 0 scbus0 target 29 lun 0
> > ses1: <LSI CORP SAS2X36 0417> Fixed Enclosure Services SCSI-5 device
> > ses1: 600.000MB/s transfers
> > ses1: Command Queueing enabled
> > ses1: SCSI-3 SES Device
> > _______________________________________________
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