Re[2]: kernel: aacraid: Host adapter reset request. SCSI hang ?

Hello Vincent,

Tuesday, June 10, 2003, 12:28:29 PM, you wrote:

VB> Because I have the same problem ( see my post earlier
VB> ), I don't understand where you disable this
VB> hperthreading functionality ( maybe it is only for PIV
VB> or a DELL server). I have a bi-processor Athlon MP,
VB> can I do the same and finally, is that sure our
VB> problem comes with this.

Athlon MP's do not support HyperThreading.


VB> --- Javier Rodriguez <jlr-slrnY02Ltykg9ELcbhaJlAC/[email protected]> wrote:
>>  
>> With HyperThreading disabled, I was able to run with
>> RedHat
>> kernel-smp-2.4.20-13.9 for 4 days without a problem.
>> The second server
>> executing RedHat kernel-2.4.20-13.9 with
>> HyperThreading disabled has been up
>> for 6 days.
>>  
>> Javier
>> 
>> -----Original Message-----
>> From: [email protected]
>> [mailto:[email protected]] On
>> Behalf Of Javier Rodriguez
>> Sent: Thursday, June 05, 2003 10:05 PM
>> To: [email protected]; [email protected]
>> Cc: [email protected];
>> [email protected]
>> Subject: RE: kernel: aacraid: Host adapter reset
>> request. SCSI hang ?
>> 
>> 
>> I have the following update regarding testing with
>> our two 2650 servers
>>  
>> - With HyperThreading enabled, I was able to execute
>> RedHat kernel-2.4.20-9
>> for 72 hours without a problem on both servers.
>> - With HyperThreading disabled, I was able to
>> execute RedHat
>> kernel-2.4.20-13.9 for 49 hours without a problem on
>> both servers.
>>  
>> This evening, I switched one of our 2650 servers to
>> execute RedHat
>> kernel-smp-2.4.20-13.9 with HyperThreading disabled.
>> With HyperThreading
>> enabled, this version would normally fail us in less
>> then 24 hours (no
>> longer than 48 hours), so well see what happens.
>> After the reboot, I did not
>> receive the 'Can't get RTC IO port" message in the
>> dmesg log.
>>  
>> The other 2650 server is still executing RedHat
>> kernel-2.4.20-13.9 with
>> HyperThreading disabled.
>>  
>> Javier
>>  
>>  
>> 
>> -----Original Message-----
>> From: [email protected]
>> [mailto:[email protected]] On
>> Behalf Of
>> [email protected]
>> Sent: Thursday, June 05, 2003 8:08 PM
>> To: [email protected]
>> Cc: [email protected]
>> Subject: FW: kernel: aacraid: Host adapter reset
>> request. SCSI hang ?
>> 
>> 
>> Follow the path, seems we have problem with aacraid
>> or scsi layer in smp
>> kernels and possibly hyperthreading.
>> Steve
>> -----Original Message-----
>> From: eric.rietjens-//[email protected]
>> [mailto:eric.rietjens-//[email protected]]
>> Sent: Wednesday, June 04, 2003 1:38 AM
>> To: Boley, Steve
>> Subject: RE: kernel: aacraid: Host adapter reset
>> request. SCSI hang ?
>> 
>> 
>> 
>> No openmanage software has been installed on our
>> 2650 servers. 
>> 
>> The server with the SMP kernel but without
>> hyperthreading is still running
>> without problems (and it also produces the "Can't
>> get RTC IO port" message).
>> 
>> 
>> Eric. 
>> 
>> 
>> 
>>       
>> 
>> 
>> 
>> 
>> [email protected] 
>> 
>> 
>> 03-06-2003 16:00 
>> 
>> 
>>         
>>         To:        Eric
>> Rietjens/EHV/TASS/PHILIPS@EMEA3 
>>         cc:         
>>         Subject:        RE: kernel: aacraid: Host
>> adapter reset request.
>> SCSI hang ? 
>> 
>>         Classification:         
>> 
>> 
>> 
>> 
>> 
>> Do you have the openmanage loaded?  If so see if it
>> does it without it
>> loaded. 
>> Steve 
>> -----Original Message-----
>> From: eric.rietjens-//[email protected]
>> [mailto:eric.rietjens-//[email protected]]
>> Sent: Tuesday, June 03, 2003 6:58 AM
>> To: linux-poweredge-Lp/cVzEoVyZskZv2Y/7f+AC/[email protected]
>> Subject: Re: kernel: aacraid: Host adapter reset
>> request. SCSI hang ?
>> 
>> 
>> I have similar problems with three of our 2650
>> servers. If I use the SMP
>> kernel (2.4.18-27.7.xsmp) I can reproduce the
>> problem within 15 minutes. 
>> If I use the non-SMP kernel (2.4.18-27-7.x) the
>> problem does not occur. 
>> 
>> Today I ran some tests with the SMP kernel, but with
>> hyperthreading
>> disabled. Although not tested as extensively as  the
>> non-SMP kernel, the
>> problem 
>> does not occur any more. So the SMP-kernel without
>> hyperthreading on a 2650
>> also seems to work. 
>> 
>> If I check the kernel log messages (dmesg) there is
>> an error mesage when I
>> use the SMP kernel: "Can't get RTC IO port". This
>> message is not  generated
>> when I use the non-SMP kernel. Could this be related
>> with the RAID driver
>> problems we are seeing? 
>> 
>> 
>> Eric. 
>> 
>> 
>> 
>> 


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 Rob Hall                 E-mail: rhall-UwkSZrAjFfcI+gDC1np/[email protected]
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