[ubuntu-studio-devel] Studio 19.04 vs XUBUNTU 19.04 vs dual quad Xeon

[Mike Squires]

On 7/10/19 10:59 AM, Len Ovens wrote:

> On Mon, 8 Jul 2019, Mike Squires wrote:
>
>> My desktop is a Supermicro X7DAE dual quad core Xeon (2Ghz), with a 
>> 1TB RAID 1 boot device and a single 4 TB archive device running off a 
>> 3ware 9750 PCI-E card.  A second RAID 5 array running off an older 
>> 3ware 9550 PCI-X card is currently off line (drives pulled).  Video 
>> is a ATI/AMD 5500 PCI-E card.
>>
>> History:
>>
>> Ubuntu Studio (using "Studio) afterwards) 16 ran fine; v 18 was 
>> extremely slow once installed, taking many minutes to complete simple 
>> tasks.  I ran 19.04 but although faster than 18 it was still much 
>> slower than 16.
>>
>> I have since switched to XUBUNTU 19 on the same hardware, speed is OK.
>
> I do not know the Xeons well. I do know that much of the RT patches 
> that have been added to main line kernel were developed on the Xeon as 
> well as i3-7 processors. And the lowlatency kernel is only slightly 
> different from generic. Still, I would at least try running the 
> generic kernel. Note that the way GRUB works in Studio is the latest 
> lowlatency kernel is listed first followed by the latest kernel (which 
> may be the same lowlatency kernel above it) the only way to ensure the 
> generic kernel is selected is to use the third option which gives a 
> sub menu of all the kernels to choose from. This is a packaging oddity 
> but does insure the lowlatency kernel is default.
>
    ....stuff deleted.

Thank you for your response.  I'll try your suggestions.

Mike Squires

-- 
Michael L. Squires, Ph.D., M.P.A.
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