CentOS 4.1 final w/posix lock still having issues
alex at nkpanama.com
Fri Oct 7 16:36:01 IST 2005
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Richard D Alloway wrote:
> On Thu, 6 Oct 2005, Richard D Alloway wrote:
>> On Wed, 5 Oct 2005, Kevin Spicer wrote:
>>> On Wed, 2005-10-05 at 10:17 -0400, Richard D Alloway wrote:
>>>> But, I still get deliveries with the dreaded "Message body
>>>> disappears" errors.
>>>> What should I look for at this point?
>>> Wild shot in the dark, from the one time I saw this myself (very long
>>> time ago). Make sure that sendmail is being started from the
>>> MailScanner startup scripts and that you have the noetrn option on in
>>> that startup script (its there by default so it should be...). Also
>>> worth grepping the logs for etrn, just in case the command line option
>>> isn't being honoured for some reason. You don't want to let folks use
>>> Probably not your problem, but doesn't hurt to check.
>> Thanks for the suggestions, but it doesn't look like etrn is the
>> issue. We don't have anyone using etrn at all on any of our mail
>> servers at this point and the noetrn option is in the MailScanner
>> startup script. Also, the only reference to etrn in the logs are
>> lines like:
>> Oct 6 09:59:55 smtp-gateway-5 sendmail: j96DxtOg022406:
>> [218.68.xxx.xxx] did not issue MAIL/EXPN/VRFY/ETRN during connection
>> to MTA
>> So, there's still something going on that I'm not aware of...
>> Any other thoughts? :)
> In addition to any further thoughts anyone has regarding why identical
> installations fail (No Message Collected error) when the only
> difference is the one failing is the only CentOS box deployed, can
> someone tell suggest a way to watch the locking processes for sendmail
> and MailScanner?
> I can do a strace on sendmail and watch sendmail opening the files in
> mqueue.in with O_EXCL but watching MailScanner with the same options
> to strace only shows a bunch of temp files in /tmp and some for clamav.
> This is regardless of whether it is one of my 5 boxes that is working
> or the 1 box that isn't.
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I once had a problem on a CentOS box that seemed to be lock-related.
From time to time messages would be delivered with extra LF's and
dovecot would refuse to read them. The problem went away when I set Max
Child Processes = 1; I don't remember if/how I solved it after that.
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