sshd high cpu load

sshd high cpu load

[A. Doggy]

To Cygwin,


I tested the current build as of 5/28/21 and the issue still exists. Cpu 
load gets pegged at 100%. If you are the developer in charge of sshd for 
cygwin, please fix this problem. Thanks.

Re: sshd high cpu load

[A. Doggy]

On 5/28/2021 7:06 PM, A. Doggy wrote:
>
> On 5/27/2021 7:51 AM, A. Doggy wrote:
>>
>> On 5/25/2021 8:23 PM, A. Doggy wrote:
>>>
>>> On 5/20/2021 9:31 PM, A. Doggy wrote:
>>>> To cygwin.
>>>>
>>>>
>>>> A Little more info: I actually have 1 client that connects 
>>>> regularly to the server. That client uses a program called 
>>>> goodsync. When I block goodsync from connecting, the problem goes 
>>>> away and I only have 1 sshd.exe process running. When I unblock 
>>>> goodsync, I have multiple sshd.exe processes running and my cpu 
>>>> gets maxed out. Please test it like this. Thanks.
>>>>
>>>> On 5/20/2021 12:02 PM, A. Doggy wrote:
>>>>> Anyone?
>>>>>
>>>>> On 5/19/2021 12:48 AM, A. Doggy wrote:
>>>>>> To Cygwin,
>>>>>>
>>>>>>
>>>>>> I am running cygwin openssh as a windows service. I have been 
>>>>>> doing so for many years with out issue. Recently, I have been 
>>>>>> running into an issue where it maxes out my cpu on any version 
>>>>>> newer than 8.4p1-1. The solution is to downgrade to 8.4p1-1. My 
>>>>>> server machine is a dell t330 running windows 10. I am not a 
>>>>>> business despite using business grade hardware.I have tried both 
>>>>>> 20h2 and 21h1 but no luck. There are no users signed in when the 
>>>>>> issues occur and occurs within minutes of booting up. The only 
>>>>>> change from the default config is I have it running on a 
>>>>>> nonstandard port. Any advice is welcome as I really would like to 
>>>>>> upgrade to a newer version. Thanks
>>>>>>
>>>
>>>
>>>
>>> To Cygwin,
>>>
>>>
>>> I remember seeing someone was going to work on this on Sunday. I am 
>>> checking if this is resolved for other users as I do not want to 
>>> update and be stuck. Thanks.
>>> bump
>>
>>
>> To Cygwin,
>>
>>
>> I remember seeing someone was going to work on this on Sunday. I am 
>> checking if this is resolved for other users as I do not want to 
>> update and be stuck. Thanks.
>
>
>
>
>
> double bump
>
>
> To Cygwin,
>
>
> I remember seeing someone was going to work on this on Sunday. I am 
> checking if this is resolved for other users as I do not want to 
> update and be stuck. Thanks.
>


To Cygwin,


The problem still exits. Thanks.

Re: sshd high cpu load

[A. Doggy]

On 5/27/2021 7:51 AM, A. Doggy wrote:
>
> On 5/25/2021 8:23 PM, A. Doggy wrote:
>>
>> On 5/20/2021 9:31 PM, A. Doggy wrote:
>>> To cygwin.
>>>
>>>
>>> A Little more info: I actually have 1 client that connects regularly 
>>> to the server. That client uses a program called goodsync. When I 
>>> block goodsync from connecting, the problem goes away and I only 
>>> have 1 sshd.exe process running. When I unblock goodsync, I have 
>>> multiple sshd.exe processes running and my cpu gets maxed out. 
>>> Please test it like this. Thanks.
>>>
>>> On 5/20/2021 12:02 PM, A. Doggy wrote:
>>>> Anyone?
>>>>
>>>> On 5/19/2021 12:48 AM, A. Doggy wrote:
>>>>> To Cygwin,
>>>>>
>>>>>
>>>>> I am running cygwin openssh as a windows service. I have been 
>>>>> doing so for many years with out issue. Recently, I have been 
>>>>> running into an issue where it maxes out my cpu on any version 
>>>>> newer than 8.4p1-1. The solution is to downgrade to 8.4p1-1. My 
>>>>> server machine is a dell t330 running windows 10. I am not a 
>>>>> business despite using business grade hardware.I have tried both 
>>>>> 20h2 and 21h1 but no luck. There are no users signed in when the 
>>>>> issues occur and occurs within minutes of booting up. The only 
>>>>> change from the default config is I have it running on a 
>>>>> nonstandard port. Any advice is welcome as I really would like to 
>>>>> upgrade to a newer version. Thanks
>>>>>
>>
>>
>>
>> To Cygwin,
>>
>>
>> I remember seeing someone was going to work on this on Sunday. I am 
>> checking if this is resolved for other users as I do not want to 
>> update and be stuck. Thanks.
>> bump
>
>
> To Cygwin,
>
>
> I remember seeing someone was going to work on this on Sunday. I am 
> checking if this is resolved for other users as I do not want to 
> update and be stuck. Thanks.





double bump


To Cygwin,


I remember seeing someone was going to work on this on Sunday. I am 
checking if this is resolved for other users as I do not want to update 
and be stuck. Thanks.

Re: sshd high cpu load

[A. Doggy]

On 5/25/2021 8:23 PM, A. Doggy wrote:
>
> On 5/20/2021 9:31 PM, A. Doggy wrote:
>> To cygwin.
>>
>>
>> A Little more info: I actually have 1 client that connects regularly 
>> to the server. That client uses a program called goodsync. When I 
>> block goodsync from connecting, the problem goes away and I only have 
>> 1 sshd.exe process running. When I unblock goodsync, I have multiple 
>> sshd.exe processes running and my cpu gets maxed out. Please test it 
>> like this. Thanks.
>>
>> On 5/20/2021 12:02 PM, A. Doggy wrote:
>>> Anyone?
>>>
>>> On 5/19/2021 12:48 AM, A. Doggy wrote:
>>>> To Cygwin,
>>>>
>>>>
>>>> I am running cygwin openssh as a windows service. I have been doing 
>>>> so for many years with out issue. Recently, I have been running 
>>>> into an issue where it maxes out my cpu on any version newer than 
>>>> 8.4p1-1. The solution is to downgrade to 8.4p1-1. My server machine 
>>>> is a dell t330 running windows 10. I am not a business despite 
>>>> using business grade hardware.I have tried both 20h2 and 21h1 but 
>>>> no luck. There are no users signed in when the issues occur and 
>>>> occurs within minutes of booting up. The only change from the 
>>>> default config is I have it running on a nonstandard port. Any 
>>>> advice is welcome as I really would like to upgrade to a newer 
>>>> version. Thanks
>>>>
>
>
>
> To Cygwin,
>
>
> I remember seeing someone was going to work on this on Sunday. I am 
> checking if this is resolved for other users as I do not want to 
> update and be stuck. Thanks.
>

bump


To Cygwin,


I remember seeing someone was going to work on this on Sunday. I am 
checking if this is resolved for other users as I do not want to update 
and be stuck. Thanks.

Re: sshd high cpu load

[A. Doggy]

On 5/20/2021 9:31 PM, A. Doggy wrote:
> To cygwin.
>
>
> A Little more info: I actually have 1 client that connects regularly 
> to the server. That client uses a program called goodsync. When I 
> block goodsync from connecting, the problem goes away and I only have 
> 1 sshd.exe process running. When I unblock goodsync, I have multiple 
> sshd.exe processes running and my cpu gets maxed out. Please test it 
> like this. Thanks.
>
> On 5/20/2021 12:02 PM, A. Doggy wrote:
>> Anyone?
>>
>> On 5/19/2021 12:48 AM, A. Doggy wrote:
>>> To Cygwin,
>>>
>>>
>>> I am running cygwin openssh as a windows service. I have been doing 
>>> so for many years with out issue. Recently, I have been running into 
>>> an issue where it maxes out my cpu on any version newer than 
>>> 8.4p1-1. The solution is to downgrade to 8.4p1-1. My server machine 
>>> is a dell t330 running windows 10. I am not a business despite using 
>>> business grade hardware.I have tried both 20h2 and 21h1 but no luck. 
>>> There are no users signed in when the issues occur and occurs within 
>>> minutes of booting up. The only change from the default config is I 
>>> have it running on a nonstandard port. Any advice is welcome as I 
>>> really would like to upgrade to a newer version. Thanks
>>>



To Cygwin,


I remember seeing someone was going to work on this on Sunday. I am 
checking if this is resolved for other users as I do not want to update 
and be stuck. Thanks.

Re: sshd high cpu load

[Andrey Repin]

Greetings, A. Doggy!

Bottom post please.

> On 5/20/2021 12:02 PM, A. Doggy wrote:
>> Anyone?
>>
>> On 5/19/2021 12:48 AM, A. Doggy wrote:
>>> To Cygwin,
>>>
>>>
>>> I am running cygwin openssh as a windows service. I have been doing 
>>> so for many years with out issue. Recently, I have been running into 
>>> an issue where it maxes out my cpu on any version newer than 8.4p1-1. 
>>> The solution is to downgrade to 8.4p1-1. My server machine is a dell 
>>> t330 running windows 10. I am not a business despite using business 
>>> grade hardware.I have tried both 20h2 and 21h1 but no luck. There are 
>>> no users signed in when the issues occur and occurs within minutes of 
>>> booting up. The only change from the default config is I have it 
>>> running on a nonstandard port. Any advice is welcome as I really 
>>> would like to upgrade to a newer version. Thanks
>>>

> A Little more info: I actually have 1 client that connects regularly to
> the server. That client uses a program called goodsync. When I block 
> goodsync from connecting, the problem goes away and I only have 1 
> sshd.exe process running. When I unblock goodsync, I have multiple 
> sshd.exe processes running and my cpu gets maxed out. Please test it 
> like this. Thanks.

That means the program does not terminate SSH session cleanly.


-- 
With best regards,
Andrey Repin
Saturday, May 22, 2021 18:47:32

Sorry for my terrible english...

Re: sshd high cpu load

[A. Doggy]

To cygwin.


A Little more info: I actually have 1 client that connects regularly to 
the server. That client uses a program called goodsync. When I block 
goodsync from connecting, the problem goes away and I only have 1 
sshd.exe process running. When I unblock goodsync, I have multiple 
sshd.exe processes running and my cpu gets maxed out. Please test it 
like this. Thanks.

On 5/20/2021 12:02 PM, A. Doggy wrote:
> Anyone?
>
> On 5/19/2021 12:48 AM, A. Doggy wrote:
>> To Cygwin,
>>
>>
>> I am running cygwin openssh as a windows service. I have been doing 
>> so for many years with out issue. Recently, I have been running into 
>> an issue where it maxes out my cpu on any version newer than 8.4p1-1. 
>> The solution is to downgrade to 8.4p1-1. My server machine is a dell 
>> t330 running windows 10. I am not a business despite using business 
>> grade hardware.I have tried both 20h2 and 21h1 but no luck. There are 
>> no users signed in when the issues occur and occurs within minutes of 
>> booting up. The only change from the default config is I have it 
>> running on a nonstandard port. Any advice is welcome as I really 
>> would like to upgrade to a newer version. Thanks
>>

Re: sshd high cpu load

[A. Doggy]

Anyone?

On 5/19/2021 12:48 AM, A. Doggy wrote:
> To Cygwin,
>
>
> I am running cygwin openssh as a windows service. I have been doing so 
> for many years with out issue. Recently, I have been running into an 
> issue where it maxes out my cpu on any version newer than 8.4p1-1. The 
> solution is to downgrade to 8.4p1-1. My server machine is a dell t330 
> running windows 10. I am not a business despite using business grade 
> hardware.I have tried both 20h2 and 21h1 but no luck. There are no 
> users signed in when the issues occur and occurs within minutes of 
> booting up. The only change from the default config is I have it 
> running on a nonstandard port. Any advice is welcome as I really would 
> like to upgrade to a newer version. Thanks
>

sshd high cpu load

[A. Doggy]

To Cygwin,


I am running cygwin openssh as a windows service. I have been doing so 
for many years with out issue. Recently, I have been running into an 
issue where it maxes out my cpu on any version newer than 8.4p1-1. The 
solution is to downgrade to 8.4p1-1. My server machine is a dell t330 
running windows 10. I am not a business despite using business grade 
hardware.I have tried both 20h2 and 21h1 but no luck. There are no users 
signed in when the issues occur and occurs within minutes of booting up. 
The only change from the default config is I have it running on a 
nonstandard port. Any advice is welcome as I really would like to 
upgrade to a newer version. Thanks