Consistent file system hang with RELENG_6 of today ...
Robert Watson
rwatson at FreeBSD.org
Fri Jul 29 08:25:55 GMT 2005
On Fri, 29 Jul 2005, Marc G. Fournier wrote:
> Now, as most of the "old timers" here know, my jail environment makes
> use of unionfs to "mount" a template layer, to share common binaries
> amongst the VMs ...
>
> I have tried two different ways of doing this, both result in the exact
> same 'file system hang' ... and I have a core of each 'method' ...
>
> The first was to use mount_devfs to, of course, mount the /dev directory
> within the jail itself ...
>
> The second, I used the same /dev that existed within the jail, based on
> bulding a jail using a 4.x system ...
>
> In both cases, the hang appears to be at the same spot, where 'sendmail'
> (in this case, the postfix port) starts up ...
It would also be interesting to know: if you take unionfs out of the
picture (i.e., you use a regular file system for testing purposes), does
the problem go away?
Robert N M Watson
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