netdev - Re: divide error: 0000, in bictcp_cong

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Date:	Tue, 05 Jul 2011 15:46:02 -0400
From:	TB <lkml@...hboom.com>
To:	Stephen Hemminger <shemminger@...tta.com>
CC:	netdev@...r.kernel.org
Subject: Re: divide error: 0000, in bictcp_cong_avoid, kernel 2.6.39

On 11-07-05 01:16 PM, Stephen Hemminger wrote:
> On Mon, 04 Jul 2011 14:10:16 -0400
> TB <lkml@...hboom.com> wrote:
> 
>> On 11-07-04 01:36 PM, Stephen Hemminger wrote:
>>> Any data about the type of connection, kernel configuration or other
>>> information that might be useful in reproducing the problem?
>>>
>>> Also please try 2.6.39.2
>>
>> We haven't found a sure way of reproducing it.
>> It happened on 1.2% of our servers over the weekend and seems random.
>> Both are connected with 2 gigabit ports using bonding. Traffic tends to
>> be heavy, but doesn't seem to be a factor.
>>
>> Would a .config help ?
>>
>> Only the very basic filter module for iptables is compiled in.
>>
>> We will try 2.6.39.2 soon
> 
> Kernel config (and compiler version) would help in identifying which
> of the three divides is getting divide by zero.

# gcc --version
gcc (Debian 4.3.2-1.1) 4.3.2


# as --version
GNU assembler (GNU Binutils for Debian) 2.18.0.20080103
This assembler was configured for a target of `x86_64-linux-gnu'.

Download attachment "config.gz" of type "application/x-gzip" (13475 bytes)