From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Thimo E." <abc@digithi.de>
Subject: Re: cpuidle and un-eoid interrupts at the local apic
Date: Tue, 17 Sep 2013 23:04:57 +0200
Message-ID: <5238C3F9.4090408@digithi.de>
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To: "Zhang, Yang Z" <yang.z.zhang@intel.com>
Cc: Keir Fraser <keir@xen.org>, Jan Beulich <JBeulich@suse.com>, Andrew Cooper <andrew.cooper3@citrix.com>, "Dong,
	Eddie" <eddie.dong@intel.com>, Xen-develList <xen-devel@lists.xen.org>, "Nakajima,
	Jun" <jun.nakajima@intel.com>, "Zhang, Xiantao" <xiantao.zhang@intel.com>
List-Id: xen-devel@lists.xenproject.org

Hello,

unfortunately the Xenserver kernel seems to not support reading the 
microcode, at least it is not populated in /proc/cpuinfo.
Andrew, are there any special tricks to get the version out of the 
Xenserver kernel ?

Best regards
   Thimo


Am 17.09.2013 09:43, schrieb Zhang, Yang Z:
> Thimo E. wrote on 2013-09-17:
>> Hello Yang,
>>
>> The problem that we are discussing here seems to come from the
>> interaction of my raid controller (Areca, ARC-1212) and the hardware.
>> When I enable MSI on that controller the server crashes with the known
>> error messages between 1 day and 7 days.  When I disable MSI I don't
>> see these crashes anymore.
>>
>> Andrew doesn't have this controller but he could also observe these
>> type of crashes with another MSI enabled card, I think the networc
>> card. But less often, I think 2 times in the last 4 months.
>>
>> My cpuinfo nor dmesg show any microcode information, perhaps Xen hides
>> that info ?!
> 'cat /proc/cpuinfo' will show the microcode version.
> Best regards,
> Yang
>