[cups.bugs] cups slow on linux-2.6.24

[David Newall]

David Miller wrote:
> From: David Newall <davidn at davidnewall.com>
> Date: Fri, 01 Feb 2008 11:17:14 +1030
>
>   
>> Patrick McHardy wrote:
>>     
>>> Jozsef Kadlecsik wrote:
>>>       
>>>> Strange, but there are a lot of incorrect checksum packets. How does
>>>> it come on the loopback interface?
>>>>         
>>> Loopback doesn't perform full checksumming, so thats expected.
>>>       
>> The question remains: How do loopback packets get incorrect checksum? 
>> Where and how can they get corrupted?
>>     
>
> There are zeros there, which is an incorrect checksum most
> of the time.
>   

I'm not debating that checksums are wrong. The question was how and
where? It's not as if there are any unreliable communication paths in a
loopback interface, so it's surprising that they could be wrong. How? Where?