[CentOS] FYI - pci_mmcfg_init kernel error after upgrading to 5.6

Tue Apr 26 11:51:28 UTC 2011
Johnny Hughes <johnny at centos.org>

On 04/26/2011 06:27 AM, Leonard den Ottolander wrote:
> Hello Johnny,
> 
> On Mon, 2011-04-25 at 09:26 -0500, Johnny Hughes wrote:
>> On 04/25/2011 08:58 AM, Windsor Dave L. (AdP/TEF7.1) wrote:
>>> There are apparently performance implications due to this issue. 
>>> Fortunately, the solution is simple:  just boot with the kernel parameter
>>>      acpi_mcfg_max_pci_bus_num=on
> 
>> Supposedly this issue is fixed in the 5.6 kernel ... not introduced in it :D
>>
>> https://bugzilla.redhat.com/show_bug.cgi?id=581933
>>
>> However, the advise is good regardless of version of kernel.
> 
> Not exactly. That kernel parameter *is* the fix.

Yes, I see that now.

Actually, that is a "work around" (IMHO).  I don't think it should be
considered a final fix but an interim jury-rig.  Of course, that is just
my opinion ... not to be confused with anything important :D

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