[Dnsmasq-discuss] CPU spin in master
Simon Kelley
simon at thekelleys.org.uk
Mon Jan 4 17:19:24 GMT 2016
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Please use test4, which fixes the problem (again!)
Cheers,
Simon.
On 04/01/16 17:07, Uwe Schindler wrote:
> Hi,
>
> I'll try. Unfortunately I have to provoke the spinning somehow. I
> just installed the test version, was happy, and a few minutes back
> it was no longer responding. TOP showed 99% CPU.
>
> By the way, box is a VIA C7 standard x86 box (32 bits), not MIPS
> like Kevin's.
>
> Uwe
>
> ----- Uwe Schindler H.-H.-Meier-Allee 63, D-28213 Bremen
> http://www.thetaphi.de eMail: uwe at thetaphi.de
>
>
>> -----Original Message----- From: Simon Kelley
>> [mailto:simon at thekelleys.org.uk] Sent: Monday, January 04, 2016
>> 6:04 PM To: Uwe Schindler <uwe at thetaphi.de> Cc:
>> dnsmasq-discuss at lists.thekelleys.org.uk Subject: Re:
>> [Dnsmasq-discuss] CPU spin in master
>>
> Yes, the fix is in test3. Can you build with debug symbols
>
> make CFLAGS=-g
>
>
> and run under gdb, to find where it's spinning?
>
>
> Cheers,
>
> Simon
>
>
> On 04/01/16 17:01, Uwe Schindler wrote:
>>>> Hi,
>>>>
>>>> ALARM: I compiled "2.76test3" and now it is spinning with
>>>> 100% CPU on my box, box responds slow or not at all on DNS
>>>> query. Was the fix included in "test3"? I updated from 2.75
>>>> to 2.76test3 because of the previously mentioned wildcard
>>>> dnssec issue.
>>>>
>>>> Uwe
>>>>
>>>> ----- Uwe Schindler H.-H.-Meier-Allee 63, D-28213 Bremen
>>>> http://www.thetaphi.de eMail: uwe at thetaphi.de
>>>>
>>>>
>>>>> -----Original Message----- From: Dnsmasq-discuss
>>>>> [mailto:dnsmasq-discuss- bounces at lists.thekelleys.org.uk]
>>>>> On Behalf Of Simon Kelley Sent: Monday, January 04, 2016
>>>>> 5:15 PM To: dnsmasq-discuss at lists.thekelleys.org.uk
>>>>> Subject: Re: [Dnsmasq-discuss] CPU spin in master
>>>>>
>>>> Think that one's fixed then :) Many thanks.
>>>>
>>>>
>>>> Simon.
>>>>
>>>>
>>>> On 03/01/16 10:42, Kevin Darbyshire-Bryant wrote:
>>>>>>> Router survived the night. No obvious problems noted
>>>>>>> :-)
>>>>>>>
>>>>>>> -- Cheers,
>>>>>>>
>>>>>>> Kevin Sent from my phone, apologies for brevity,
>>>>>>> spelling & top posting
>>>>>>>
>>>>>>>> On 2 Jan 2016, at 17:20, Kevin Darbyshire-Bryant
>>>>>>>> <kevin at darbyshire-bryant.me.uk> wrote:
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>> On 01/01/16 20:27, Simon Kelley wrote:
>>>>>>>>>> On 01/01/16 11:28, Kevin Darbyshire-Bryant wrote:
>>>>>>>>>> Hi Simon,
>>>>>>>>>>
>>>>>>>>>> So this is a pretty vague report of something
>>>>>>>>>> lurking in very recent code.#
>>>>>>>>> It's pretty good really. I stared at the
>>>>>>>>> ARP-caching code and found a fault in the linked
>>>>>>>>> list code that could introduce a cycle and create
>>>>>>>>> exactly the symptoms you're seeing.
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> Git HEAD or 2.76test2 should do it. Please could
>>>>>>>>> you try it?
>>>>>>>> It's compiling as I type - will report back :-)
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> And many thanks for testing my new code!
>>>>>>>> Well if we all played it safe and avoided the
>>>>>>>> bleeding edge stuff nothing would get spotted & fixed
>>>>>>>> would it :-) Someone has to try and I'd hardly regard
>>>>>>>> my home router as life critical (although my niece
>>>>>>>> would have a different opinion on that if she were
>>>>>>>> visiting)
>>>>>>>>
>>>>>>>> Thanks,
>>>>>>>>
>>>>>>>> Kevin
>>>>>>>>
>>>>>>>>
>>>>>>>> _______________________________________________
> Dnsmasq-
>>>> discuss
>>>>>>>> mailing list Dnsmasq-discuss at lists.thekelleys.org.uk
>>>>>>>> http://lists.thekelleys.org.uk/mailman/listinfo/dnsmasq-discuss
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>
>>>>>>>>
_______________________________________________ Dnsmasq-
>>>> discuss
>>>>>>>> mailing list Dnsmasq-discuss at lists.thekelleys.org.uk
>>>>>>>> http://lists.thekelleys.org.uk/mailman/listinfo/dnsmasq-discuss
>>>>>
>>>>>
>>>>>>>>
>
>>>>>>>>
_______________________________________________
>>>>> Dnsmasq-discuss mailing list
>>>>> Dnsmasq-discuss at lists.thekelleys.org.uk
>>>>> http://lists.thekelleys.org.uk/mailman/listinfo/dnsmasq-discuss
>>>>
>>>>
>
>>>>>
>
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