RE: kernel: aacraid: Host adapter reset request. SCSI hang ? ( An dy De Petter)

hyperthreading is only for Intel Xeon processors what
is not the case in my config ( config below )

--- [email protected] wrote:
> Vincent, 
> 
> Disable "HyperThreading" (aka Logical Processor) in
> System Setup/BIOS.  See
> if that resolves your issue with the: aacraid: Host
> adapter reset request.
> SCSI hang errors.
> 
> Let us know...
> 
> Regards,
> 
> Jeremy Sheard
> DELL Server Support
> 
> -----Original Message-----
> From: Vincent Blondel
> [mailto:vincent_blondel-/[email protected]]
> Sent: Tuesday, June 17, 2003 3:58 AM
> To: [email protected]
> Cc: Andy De Petter; Adam Newby; [email protected]
> Subject: Re: kernel: aacraid: Host adapter reset
> request. SCSI hang ? (
> Andy De Petter)
> 
> 
> I don't think it is a 
> - firmware backplane 
> - intel xeon processors 
> - or segate problem ...
> 
> I have following machine 
> 
> - TYAN s2468GN motherboard
> - 2 AMD Athlon MP 1800+ processors
> - 2 x 512MB DDR266 PC2100 Kingston memory modules
> - Adaptec 5400s SCSI RAID controller
> - 4 SEAGATE ST318453LC disks in RAID-5 config
> - SAMCHEER backplane  
>   SC-R34A ( http://www.samcheer.com )
> 
> and I also have this problem. The only difference is
> I
> don't get this problem after hours ( days ) but
> after
> minutes. For example I just have to launch a kernel
> compilation , and after 2 or 3 minutes, I get this
> error message.
> 
> I received, weeks ago an answer from Alan Cox saying
> me it is a hardware problem , but it cannot because
> I
> also installed w2k ( as I said it in an earlier mail
> )
> and I don't have any problems. I copied hundreds of
> mgo's data and os stay alive.
> 
> I also corresponded with Adaptec asking if an
> harware
> incompatibility is know with Adaptec RAID
> Controllers
> and last models of SEAGATE hard drives and it is not
> at the moment.
> 
> I read days ago in this list and concerning this
> problem a mail saying Alan is corresponding with
> Adaptec about this problem so I also sended this
> mail
> to alan. Maybe, we will receive a clear status from
> from him about our problem ???
> 
> Thanks to all and to Alan for searching about this
> problem.
> vincent.
> 
> --- Andy De Petter <[email protected]> wrote:
> > Adam Newby wrote:
> > 
> > >>I am having the same bus hang errors, on 4 2650
> > with dual 2Ghz Xeon
> > >>processors.  I am using Debian 2.4 kernel. 
> > Apparantly, it also has
> > >>something to do with the clockspeed of the
> > processors.  I am having the
> > >>SCSI problems on all my 2Ghz processors, but not
> a
> > problem -at all- on
> > >>2.4Ghz processors.
> > >>    
> > >>
> > >
> > >FYI, our machines are 2.4GHz Xeons, so I don't
> > think processor speed is
> > >necessarily a factor. Interesting to see that
> quite
> > a few people are
> > >having this problem, though.
> > >
> > >  
> > >
> > >>I am using:
> > >>
> > >>/	PowerEdge 2650 BIOS at 1.10 A10
> > >>	//Backplane firmware at 1.01
> > >>//	PERC3/Di BIOS at V2.7-1 (build 3170)
> > >>    
> > >>
> > >
> > >This are the same as us, and are the latest
> > versions AFAIK.
> > >
> > >  
> > >
> > >>Anyone has come up with any solutions and/or
> > explications on this behaviour yet? ;)
> > >>    
> > >>
> > >
> > >I *thought* we had, in that we thought it was a
> > combination of faulty
> > >disks + faulty firmware. Given your information,
> > this seems not to be
> > >correct now.
> > >
> > >
> > >  
> > >
> > Update: I noticed that in the server with 2.4Ghz
> > processors, there are 
> > Seagate disks, and in the servers with 2.0Ghz
> > processors, there are 
> > Maxtor disks.  Does anyone, who has this aacraid
> > problem, have Maxtor 
> > disks in his server?  Or Seagate aswell?  My
> current
> > situation: 2x2.4Ghz 
> > 2650 server, with Seagate disk works like a charm,
> > while 2x2.0Ghz 2650 
> > server, with Maxtor disks is unusable in
> production.
> > ;-/
> > 
> > -Andy
> > 
> > -- 
> > Andy De Petter - Expert  IT Analyst -
> > [email protected]
> > Belgacom ANS/EIS/ISA - Carlistraat  2 - 1140
> > Brussels (Belgium)
> > Head office: Koning Albert II Laan 27 - 1030
> > Brussels (Belgium)
> > Tel +32 (0)2 7061170  -  Fax +32 (0)2 7061150  - 
> > ICQ  #1548957
> > 
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