Re: [Xen-devel] Getting IOAPIC errors in xl dmesg on old hardware

[Anthony Wright <anthony@xxxxxxxxxxxxxxx>]

On 23/09/2011 14:33, Konrad Rzeszutek Wilk wrote:
> On Fri, Sep 23, 2011 at 11:34:25AM +0100, Anthony Wright wrote:
>> I am getting a series of IOAPIC errors in xl dmesg on a Dell OptiPlex
>> GX100 machine (bought in 2000). I also get an error from traps.c which
>> is very similar to the one in the 'Getting mm.c errors from xl dmesg on
>> certain hardware' thread. This happens during system startup with no
>> DomUs running. I have attached the xl dmesg log.
>>  __  __            _  _    _   _ 
>>  \ \/ /___ _ __   | || |  / | / |
>>   \  // _ \ '_ \  | || |_ | | | |
>>   /  \  __/ | | | |__   _|| |_| |
>>  /_/\_\___|_| |_|    |_|(_)_(_)_|
>>                                  
>> (XEN) Xen version 4.1.1 (@[unknown]) (gcc version 4.4.3 (GCC) ) Wed Sep 21 
>> 08:25:36 GMT 2011
>> (XEN) Latest ChangeSet: unavailable
>> (XEN) Bootloader: GNU GRUB 0.97
>> (XEN) Command line: 
>> (XEN) Video information:
>> (XEN)  VGA is text mode 80x25, font 8x16
>> (XEN)  VBE/DDC methods: V2; EDID transfer time: 1 seconds
>> (XEN) Disc information:
>> (XEN)  Found 0 MBR signatures
>> (XEN)  Found 0 EDD information structures
>> (XEN) Xen-e820 RAM map:
>> (XEN)  0000000000000000 - 00000000000a0000 (usable)
>> (XEN)  00000000000f0000 - 0000000000100000 (reserved)
>> (XEN)  0000000000100000 - 000000001feae000 (usable)
>> (XEN)  000000001feae000 - 0000000020000000 (reserved)
>> (XEN)  00000000ffb00000 - 0000000100000000 (reserved)
>> (XEN) System RAM: 510MB (522552kB)
> Is that right? 512MB?
Yup 512MB

3.4.1 with 2.6.18 works fine on it. 4.4.1 with 3.0.4 also seems to work
fine, though it does seem to use an awful lot of ram (something I'm
going to have a closer look at shortly). It's just that I get these
error messages in 'xl dmesg', and wondered whether I can safely ignore
them, or whether they're indicative of a more serious problem.


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