[Buildbot-devel] Buildslave disconnects

Bill Baker bbb at uiuc.edu
Thu Oct 30 18:26:59 UTC 2008

I've had periodic disconnects, but I didn't notice that log message.  It
seemed hardware-dependent, actually.  My build slaves are all virtual
machines running in VMware Server 1 and 2, and on one physical server I got
disconnections every hour or so, causing long-running builds to fail.  I
tried moving them to newer hardware, and all the disconnections stopped.

So my first guess is that the cause is different.  With mine, I think it was
due to an interaction between the ethernet hardware and VMware, which is
constantly juggling MAC addresses, and seemed to be breaking TCP connections
on one platform but not on the other.

On Wed, Oct 29, 2008 at 4:24 PM, Mark MacVicar <mark.macvicar at gmail.com>wrote:

> Hi,
> I'm having a problem where my buildslaves are disconnecting every few
> days (sometimes multiple times per day) with the following log:
> buildslave_linux32/twistd.log:1321:2008/10/28 09:47 -0700 [-]
> BotFactory.checkActivity: nothing from master for 629 secs
> This is even happening for the slave I have running on the same server
> as the master.
> I'm running my buildmaster and one of my slaves on OpenSuse 10.3. I'm
> currently running a modfied buildbot 0.7.8.
> I wasn't having this problem for a while, so I'm suspicious of my
> modifications, but I haven't modified the slave scripts.
> Has anyone encountered periodic, seemingly random buildslave
> disconnects and found a solution?
> Thank you,
> Mark MacVicar
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