On Mon, 2014-11-03 at 13:31 +0800, chenweilong wrote:
> Hi Eric,
>
> I check the code and find that:
>
> 1.In function "tcp_rcv_state_process",
> the "tcp_initialize_rcv_mss" is called at "step 5: check the ACK field" when
> the sk->sk_state is TCP_SYN_RECV
> and there is a
On Mon, 2014-11-03 at 13:31 +0800, chenweilong wrote:
Hi Eric,
I check the code and find that:
1.In function tcp_rcv_state_process,
the tcp_initialize_rcv_mss is called at step 5: check the ACK field when
the sk-sk_state is TCP_SYN_RECV
and there is a tcp_validate_incoming just before
On 2014/11/3 11:42, Eric Dumazet wrote:
> On Mon, 2014-11-03 at 09:29 +0800, Chen Weilong wrote:
>> From: Weilong Chen
>>
>> We got a problem like this:
>
>> There was a wrong ack packet coming during TCP handshake. The socket's state
>> was TCP_SYN_RECV, its rcv_mss was not initialize yet. So
On Mon, 2014-11-03 at 09:29 +0800, Chen Weilong wrote:
> From: Weilong Chen
>
> We got a problem like this:
> There was a wrong ack packet coming during TCP handshake. The socket's state
> was TCP_SYN_RECV, its rcv_mss was not initialize yet. So
> tcp_send_dupack -> tcp_enter_quickack_mode got
From: Weilong Chen
We got a problem like this:
[8801c1a05570] machine_kexec at 81025039
[8801c1a055d0] crash_kexec at 8109b253
[8801c1a056a0] oops_end at 81442aed
[8801c1a056d0] die at 81005603
[8801c1a05700] do_trap at 81442448
Sure,
Thanks
On 2014/11/2 5:06, David Miller wrote:
> From: Chen Weilong
> Date: Fri, 31 Oct 2014 22:50:47 +0800
>
>> From: Weilong Chen
>>
>> We got a problem like this:
>> [8801c1a05570] machine_kexec at 81025039
>> [8801c1a055d0] crash_kexec at 8109b253
>>
Sure,
Thanks
On 2014/11/2 5:06, David Miller wrote:
From: Chen Weilong chenweil...@huawei.com
Date: Fri, 31 Oct 2014 22:50:47 +0800
From: Weilong Chen chenweil...@huawei.com
We got a problem like this:
[8801c1a05570] machine_kexec at 81025039
[8801c1a055d0] crash_kexec
From: Weilong Chen chenweil...@huawei.com
We got a problem like this:
[8801c1a05570] machine_kexec at 81025039
[8801c1a055d0] crash_kexec at 8109b253
[8801c1a056a0] oops_end at 81442aed
[8801c1a056d0] die at 81005603
[8801c1a05700] do_trap
On Mon, 2014-11-03 at 09:29 +0800, Chen Weilong wrote:
From: Weilong Chen chenweil...@huawei.com
We got a problem like this:
There was a wrong ack packet coming during TCP handshake. The socket's state
was TCP_SYN_RECV, its rcv_mss was not initialize yet. So
tcp_send_dupack -
On 2014/11/3 11:42, Eric Dumazet wrote:
On Mon, 2014-11-03 at 09:29 +0800, Chen Weilong wrote:
From: Weilong Chen chenweil...@huawei.com
We got a problem like this:
There was a wrong ack packet coming during TCP handshake. The socket's state
was TCP_SYN_RECV, its rcv_mss was not initialize
From: Chen Weilong
Date: Fri, 31 Oct 2014 22:50:47 +0800
> From: Weilong Chen
>
> We got a problem like this:
> [8801c1a05570] machine_kexec at 81025039
> [8801c1a055d0] crash_kexec at 8109b253
> [8801c1a056a0] oops_end at 81442aed
> [8801c1a056d0]
From: Chen Weilong chenweil...@huawei.com
Date: Fri, 31 Oct 2014 22:50:47 +0800
From: Weilong Chen chenweil...@huawei.com
We got a problem like this:
[8801c1a05570] machine_kexec at 81025039
[8801c1a055d0] crash_kexec at 8109b253
[8801c1a056a0] oops_end at
On Fri, 2014-10-31 at 09:24 -0700, Alexei Starovoitov wrote:
> cc-ing netdev
>
> On Fri, Oct 31, 2014 at 7:50 AM, Chen Weilong wrote:
> > From: Weilong Chen
> >
> > We got a problem like this:
> > [8801c1a05570] machine_kexec at 81025039
> > [8801c1a055d0] crash_kexec at
cc-ing netdev
On Fri, Oct 31, 2014 at 7:50 AM, Chen Weilong wrote:
> From: Weilong Chen
>
> We got a problem like this:
> [8801c1a05570] machine_kexec at 81025039
> [8801c1a055d0] crash_kexec at 8109b253
> [8801c1a056a0] oops_end at 81442aed
>
From: Weilong Chen
We got a problem like this:
[8801c1a05570] machine_kexec at 81025039
[8801c1a055d0] crash_kexec at 8109b253
[8801c1a056a0] oops_end at 81442aed
[8801c1a056d0] die at 81005603
[8801c1a05700] do_trap at 81442448
From: Weilong Chen chenweil...@huawei.com
We got a problem like this:
[8801c1a05570] machine_kexec at 81025039
[8801c1a055d0] crash_kexec at 8109b253
[8801c1a056a0] oops_end at 81442aed
[8801c1a056d0] die at 81005603
[8801c1a05700] do_trap
cc-ing netdev
On Fri, Oct 31, 2014 at 7:50 AM, Chen Weilong chenweil...@huawei.com wrote:
From: Weilong Chen chenweil...@huawei.com
We got a problem like this:
[8801c1a05570] machine_kexec at 81025039
[8801c1a055d0] crash_kexec at 8109b253
[8801c1a056a0]
On Fri, 2014-10-31 at 09:24 -0700, Alexei Starovoitov wrote:
cc-ing netdev
On Fri, Oct 31, 2014 at 7:50 AM, Chen Weilong chenweil...@huawei.com wrote:
From: Weilong Chen chenweil...@huawei.com
We got a problem like this:
[8801c1a05570] machine_kexec at 81025039
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