[Samba] RPC and NDR errors in log file
james.atwell365 at gmail.com
Fri Nov 2 15:27:49 UTC 2018
On 10/30/2018 10:17 AM, James Atwell wrote:
> On 10/29/2018 1:57 PM, Rowland Penny via samba wrote:
>> On Mon, 29 Oct 2018 13:20:18 -0400
>> James Atwell via samba <samba at lists.samba.org> wrote:
>>> Hello List,
>>> I'm receiving several of these messages in my samba
>>> log file. I'm not entirely sure what the errors are referencing
>>> either. I'm under the assumption DNS related.
>>> ndr_pull_error(11): Pull bytes 1 (../librpc/ndr/ndr_basic.c:81)
>>> ../librpc/rpc/dcerpc_util.c:264: ERROR: pad length mismatch.
>>> Calculated 44 got 0
>>> I have 3 sites with 2 DC's per site. These messages are only coming
>>> from one site and both DC's are logging the errors.
>>> Since I suspect DNS related, I will provide my setup configs.
>> The message is coming from dcerpc_util.c, so it probably has nothing to
>> do with dns
>>> cat /usr/local/samba/etc/smb.conf
>>> # Global parameters
>>> dns forwarder = 188.8.131.52 184.108.40.206
>> You are using Bind, so, as the 'dns forwarder' line will be ignored, you
>> might as well remove it.
>> I think we need to know more about your set up, OS versions etc.
>> Also I would take it as a big favour if you found a better email client
>> that didn't add all the blank lines ;-)
> I removed the dns forwarder line as it was left over when using the
> internal DNS at one point. Thanks.
> I have 6 DC's all using Ubuntu 16.04.5 LTS. I believe I previously
> indicated they were 14.04 releases. A total of 3 sites with 2 DC's at
> each. Using rysnc sysvol replication as well. All DC's are using
> bind9 for DNS. All DC's are compiled from tar and using 4.9.1.
> I was previously using Samba 4.8.6 prior to upgrading to 4.9.1. I was
> not alerted to these errors until after the upgrade.
> As a side note I have been on the list under a previous email if all
> this sounds familiar. I switched back to using Thunderbird so curious
> if it resolves the blank space issue as well.
The issue actually appears across all sites. Not just the one I
initially suspected. I was able to capture another log event but this
time more data was with with it.
dnsserver: Invalid zone operation IsSigneddnsserver: Invalid zone
operation IsSigneddnsserver: Invalid zone operation IsSigneddnsserver:
Invalid zone operation IsSigneddnsserver: Invalid zone operation
IsSigned../librpc/rpc/dcerpc_util.c:264: ERROR: pad length mismatch.
Calculated 44got 0
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