Prev: [PATCH] ntp: Make time_esterror and time_maxerror static
Next: Confirm Your Email
From: Justin P. Mattock on 3 Feb 2010 13:50
On 02/03/10 10:25, Stephen Hemminger wrote:
> On Wed, 03 Feb 2010 10:23:01 -0800
> "Justin P. Mattock"<justinmattock(a)gmail.com> wrote:
>
>> On 02/03/10 09:07, Michael Breuer wrote:
>>> On 02/03/2010 11:56 AM, Stephen Hemminger wrote:
>>>> On Wed, 03 Feb 2010 11:47:19 -0500
>>>> Michael Breuer<mbreuer(a)majjas.com> wrote:
>>>>
>>>>> Tracked this down. The status being returned is 0x3c0080 - good flow
>>>>> control packets. Nothing is actually being dropped (confirmed by packet
>>>>> trace on switch compared with packet trace on server).
>>>>>
>>>>> I whipped up a trivial patch to not count these as dropped packets and
>>>>> will post to netdev.
>>>>>
>>>>> I'm not really sure what the driver should be doing in this case, but
>>>>> resubmit seems to work.
>>>> Looks like a flow control negotiation issue. You probably turned off
>>>> flow control on the Linux side, but the switch is still doing flow
>>>> control.
>>>>
>>> According to the driver:
>>> Feb 3 12:03:02 mail kernel: sky2 eth0: Link is up at 1000 Mbps, full
>>> duplex, flow control both
>>>
>>> So if the rx flow control packet status is due to flow control being
>>> disabled, then there's a different issue.
>>>
>>>
>>> --
>>> To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
>>> the body of a message to majordomo(a)vger.kernel.org
>>> More majordomo info at http://vger.kernel.org/majordomo-info.html
>>> Please read the FAQ at http://www.tux.org/lkml/
>>>
>>
>>
>> hmm.. after an hour or so I'm not seeing anything.
>> from what I remember I turned the machine on in the
>> hotel, then left the system there as I went out for a few hours
>> (so maybe I need to wait).
>>
>> Anyways I did keep dmesg of when this occurred, basically
>> the log was spammed with these:
>>
>> [ 863.294057] sky2 eth0: rx error, status 0x580002 length 88
>> [ 865.646645] sky2 eth0: rx error, status 0x600002 length 96
>> [ 1286.420471] sky2 eth0: rx error, status 0x600002 length 96
>> [ 1286.499459] sky2 eth0: rx error, status 0x600002 length 96
>> [ 1746.903826] sky2 eth0: rx error, status 0x600002 length 96
>> [ 1754.263692] sky2 eth0: rx error, status 0x600002 length 96
>> [ 1755.309360] sky2 eth0: rx error, status 0x680002 length 104
>> [ 2213.256294] sky2 eth0: rx error, status 0x600002 length 96
>> [ 2219.653342] sky2 eth0: rx error, status 0x580002 length 88
>> [ 2221.673601] sky2 eth0: rx error, status 0x600002 length 96
>> [ 2679.654655] sky2 eth0: rx error, status 0x680002 length 104
>> [ 2692.315058] sky2 eth0: rx error, status 0x500002 length 80
>> [ 2694.349612] sky2 eth0: rx error, status 0x580002 length 88
>> [ 2703.676717] sky2 eth0: rx error, status 0x700002 length 112
>> [ 2703.826375] sky2 eth0: rx error, status 0x600002 length 96
>> [ 3187.504843] sky2 eth0: rx error, status 0x600002 length 96
>> [ 3189.560744] sky2 eth0: rx error, status 0x600002 length 96
>> [ 3672.475719] sky2 eth0: rx error, status 0x680002 length 104
>> [ 3676.696959] sky2 eth0: rx error, status 0x680002 length 104
>>
>> but while using the system with this, I didn't notice anything
>> out of the ordinary.
>> (if this fires off I can try a bisect for you guys, but right now
>> since I'm not seeing anything, might be a different story);
>>
>
> You were on a crappy hotel switch. Those are all CRC errors.
>
>
>


alright.. makes sense cause I'm not getting
any of this now at home.

Justin P. Mattock
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo(a)vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
First  |  Prev  | 
Pages: 1 2 3 4 5 6 7
Prev: [PATCH] ntp: Make time_esterror and time_maxerror static
Next: Confirm Your Email