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List:       netbsd-current-users
Subject:    Re: recent dhcpcd looping on ppp0
From:       Frank Kardel <kardel () netbsd ! org>
Date:       2014-09-29 18:29:57
Message-ID: 5429A525.1040504 () netbsd ! org
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Much better now.

The busy wait loop is now gone.

Thanks !

Frank

On 09/29/14 14:03, Roy Marples wrote:
> On 2014-09-29 11:33, Roy Marples wrote:
>>>>> Going to guess that ppp0 doesn't have a carrier status OR 
>>>>> IFF_RUNNING set?
>>>>> The attached patch should reduce the log spam, let me know how it 
>>>>> works out.
>>>> Errm, this patch should do better!
>>>>
>>> Well, less spam, but still
>>>     - busy wait (repeated count goes up to ~300k)
>>> Sep 28 23:50:05 Andromeda dhcpcd[1101]: ppp0: unknown carrier
>>> Sep 28 23:50:05 Andromeda dhcpcd[1101]: ppp0: carrier_status:
>>> Inappropriate ioctl for device
>>> Sep 28 23:50:14 Andromeda syslogd[1251]: last message repeated 12776 
>>> times
>>>
>>>     - a flurry of routing messages (probably same number of as 
>>> syslog entries)
>>> got message of size 152 on Sun Sep 28 23:50:10 2014
>>> RTM_IFINFO: iface status change: len 152, if# 6, carrier: unknown,
>>> flags: <UP,PTP,MULTICAST>
>>> got message of size 152 on Sun Sep 28 23:50:10 2014
>>
>> Yes, these messages are being triggerd by a flurry of routing messages.
>> This is probably a bug in NetBSD somewhere and the attached patch
>> should pretty much silence the warnings down to one n dhcpcd until the
>> link actually comes up.
>
> So the flurry of messages is triggered by dhcpcd still (thanks 
> jmcneill!).
> This patch should fix it and all should now be well.
>
> Roy

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