Hidden download performance problem with Fedora 6-10

[Kam Leo]

On Mon, Dec 22, 2008 at 4:09 PM, Kevin Fenzi <kevin at scrye.com> wrote:
> On Mon, 22 Dec 2008 13:42:50 -0800
> Chuck <ctleis at gmail.com> wrote:
>
>> Kevin wrote:
>>
>> > I wonder if you are running into
>> > "82573(V/L/E) TX Unit Hang Messages"
>> >
>> > see: http://downloadmirror.intel.com/9180/eng/README.txt
>> > look for "82573(V/L/E) TX Unit Hang Messages"
>> >
>> > perhaps the debian kernel doesn't hit the power management issue
>> > with that?
>> >
>> > Can you see if the test listed there shows you are affected?
>> >
>>
>> I just ran the F10 live CD on 3 other machines.  2 desktops and one
>> wireless laptop.  Fedora worked fine on them all.  One desktop
>> had a 3com adapter, the other had a Linksys NIC. One was a slower
>> machine ( 1GHz cpu, 90KBps xfer speeds ), the other fast ( 2.8GHz cpu,
>> 250KBps xfer speeds )
>>
>> It is now just this machine with the Intel and National Semi NICs.
>
> ok. Thats good...isolates things some. ;)
>
>> So I powered it down and switched the cables to the 3 enet ports; so
>> now the Nat Semi is the one going to the internet.
>> I Booted with F10 live CD and tried my wget experiment again.  Same
>> old problems: Data error, interrupted downloads.  This box with
>> Fedora just sucks.
>
> Interesting.
>
>> BTW, The Intel connection which is my usual internet connection does
>> have the "suspect byte" set in the "bad" state as per the test above.
>> but since the same thing happens with the Nat Semi NIC, this should
>> not be the cause.
>
> ok. The intel card isn't being used at all in that case?
> Did you remove it?
>
>> However, and I keep repeating this, OpenSUSE 11, Debian Lenny, Ubuntu
>> 8.04, PCLinuxOS 2007. Windows XP, Windows 2000 and ArchLinux all seem
>> to handle things just fine. Only flavors of Fedora have a problem
>> with this PC.
>
> Right. This points to some strange kernel bug or other issue with the
> Fedora kernel. Is there anything in dmesg when it's having the issues?
>
>> Is there anyone I can get in contact with to analyze this further?
>> Run some patched kernel? module?
>
> I would file a bug against the kernel and provide all the info you can
> from this thread. It might also be interesting to do a tcpdump of the
> failure and look at it against one from one of the non affected oses,
> but if thats needed the kernel folks should ask for it in the bug.
>
>> Thanks
>>
>> charlie
>
> kevin
>
Your Ubuntu download used mirrors.kernel.org. Try using
http://mirrors.kernel.org/fedora/releases/10/Live/i686/F10-i686-Live.iso
. Both Standford and USC mirrors get heavily loaded during initial
release of a distro.