RE: [Xen-users] Xen on Debian Lenny quite unstable

["Jonathan Tripathy" <jonnyt@xxxxxxxxxxx>]

Hi Dirk,

 

I don't have any experience yet, however in the next few days I am going to test my Ubuntu 10.04 64-bit Dom0 with about 40 64-bit DomUs on my Intel Xeon Quad Core.

 

Would the result of this help you?

 

Thanks

---

From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx on behalf of Dirk H. Schulz
Sent: Fri 11/06/2010 09:58
To: xen-users@xxxxxxxxxxxxxxxxxxx
Subject: Re: [Xen-users] Xen on Debian Lenny quite unstable

Folks,

thanks a lot for all the feedback. First let me make clear: I am doing
nothing special. They are standard installs with just one difference:
the bridged network interface is a bond in some cases (but by far not
all cases).

The configuration I did is as described:
- pin cpus
- pin no domU do dom0's cpu
- dedicate a minimum amount of RAM (mostly 1 GB) to dom0
- dedicate at least 512 MB to each domU, not ballooning (start amount
and max amount are the same).

So, what I observe from your answers, is that people having no problems
with Lenny's Xen implementation are running 64Bit on AMD architectures.

Is there anybody out there running several intel machines with 32Bit
Lenny Xen and NOT having any problems with regular crashes?

I will take a look at compiling myself again (had done so all throught
the 2.x years), but that would mean giving up. :-)

So let's make a poll out of it:
Anyone here having frequent crashes with 64Bit Lenny's Xen?
Anyone here NOT having frequent crashes with 32Bit Lenny's Xen?
Each answer please also name the processor architecture.

Thanks a lot,

Dirk


Am 11.06.10 06:03, schrieb chris:
> I have quite a few machines running both intel and amd cpus with the
> debian packages for 3.2 from 4gb ram up to 64gb and no problems. I
> also pin cpus and don't share dom0's cpu with any domU's. My guess is
> hes doing something strange to trigger it? I know there are some known
> bugs in that version but i have upwards of 10 machines running it with
> very high uptimes.
>
> - chris
>
> On Thu, Jun 10, 2010 at 10:40 PM, Ward Vandewege<ward@xxxxxxx>  wrote:
>   
>> On Fri, Jun 11, 2010 at 03:17:20AM +0300, Valtteri Kiviniemi wrote:
>>     
>>> Debian Lenny has quite shitty Xen package, and I have also found it
>>> to be very unreliable.
>>>       
>> I don't know what it is that makes you say this, but Lenny's stock Xen
>> packages (64 bit) have been very reliable for me.
>>
>> I have more than 10 machines running that setup. Some have only 8G of ram; I
>> have a few 32GB machines and one 64GB machine. They run anything from 10 to
>> close to 40 domUs.
>>
>> And they are rock solid.
>>
>> Like I said, they are all Opteron machines - most dual core, some quad core.
>>
>> Perhaps the problems you are seeing are caused by Intel-specific codepaths?
>>
>> Thanks,
>> Ward.
>>
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