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SubjectRe: [PATCH 4.9 000/105] 4.9.55-stable review
On Thu, Oct 12, 2017 at 9:45 PM, Shuah Khan <> wrote:
> On 10/12/2017 06:13 AM, Greg Kroah-Hartman wrote:
>> On Thu, Oct 12, 2017 at 01:54:26PM +0200, Greg Kroah-Hartman wrote:
>>> On Thu, Oct 12, 2017 at 12:39:52PM +0200, Greg Kroah-Hartman wrote:
>>>> On Wed, Oct 11, 2017 at 04:54:51PM -0600, Shuah Khan wrote:
>>>>> On 10/11/2017 06:56 AM, Greg Kroah-Hartman wrote:
>>>>>> On Tue, Oct 10, 2017 at 06:58:40PM -0600, Shuah Khan wrote:
>>>>>>> On 10/10/2017 01:49 PM, Greg Kroah-Hartman wrote:
>>>>>>>> This is the start of the stable review cycle for the 4.9.55 release.
>>>>>>>> There are 105 patches in this series, all will be posted as a response
>>>>>>>> to this one. If anyone has any issues with these being applied, please
>>>>>>>> let me know.
>>>>>>>> Responses should be made by Thu Oct 12 19:24:56 UTC 2017.
>>>>>>>> Anything received after that time might be too late.
>>>>>>>> The whole patch series can be found in one patch at:
>>>>>>>> or in the git tree and branch at:
>>>>>>>> git:// linux-4.9.y
>>>>>>>> and the diffstat can be found below.
>>>>>>>> thanks,
>>>>>>>> greg k-h
>>>>>>> Compiled and booted. Networking is dead. I will bisect tomorrow and
>>>>>>> let you know what I find.
>>>>>>> r8169 is the suspect perhaps or some other change that affects it.
>>>>>>> Anyway more on this tomorrow.
>>>>>> Odd, let me know if you find anything.
>>>>> git bisect came up with the following:
>>>>> # first bad commit: [830e3de48a789f8d294a0d1461600f958afddde4]
>>>>> ip6_gre: skb_push ipv6hdr before packing the header in ip6gre_header
>>>>> However, reverting this commit didn't work either. I might have to
>>>>> start bisect again. Update for now in case David or Xin Long can
>>>>> think of something that could possibly lead this failure. There are
>>>>> a few more patches in this space.
>>>> What is the symptom of the networking failure? No networking device?
>>>> No dhcp request? ipv4 or ipv6? Differences in dmesg?
> No differences in dmesg. The interface reports it is up, however doesn't
> respond to ping. Network manager reports it down. I enabled and disabled
> the networking. That didn't bring it back. Doesn't happen on 4.9.54.
I built and installed 4.9.55 in my kvm guest, and login with console,
no ip address configured on the NIC by dhclient.

Then I do dhclient eth0, it showed:

# dhclient -v eth0
Internet Systems Consortium DHCP Client 4.2.5
Copyright 2004-2013 Internet Systems Consortium.
All rights reserved.
For info, please visit

Can't install packet filter program: Cannot allocate memory

Then after I configure ip address manually, it works well.

So pls check if the dhclient doesn't work either in you env.

>>> Hm, I'm getting an odd report from some of the google auto-builders
>>> about a networking issue as well with 4.9. So you might be onto
>>> something here. I really have no insight into the google tests to
>>> figure out what it is doing, but I can feed it patches to test, so I'll
>>> try reverting this patch to see if it solves anything or not...
>> Nope reverting that failed as well, I'm running out of time at the
>> moment to test this, will be able to pick it back up later this evening
>> or tomorrow, so any help you could provide here would be great.
> I will do some controlled tests today. I will have to run through bisect
> again. There are other ipv6 related patches in this release. I will let
> you know what I can find. I don't think it is driver/hw related.
> thanks,
> -- Shuah

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