On Tue, Mar 27, 2018 at 11:00:01AM -0500, Ronak Desai wrote:
> I came a cross a problem where if the containers are running then it
> affects the unmount process of the system's mount points. I am not
> using these mount points as shared partitions with container.
> For example, I am using SD card and NAND as external storage device
> and mounting it to a mount point in the ramfs. Then I am launching
> containers and then when I try to unmount the NAND partition then my
> "unmount" call succeeds but I don't see the UBIFS hooks being called
Are you saying that all your containers are using the SD card as backing
> and because of that my UBI detach process fails. When I stopped the
> container then I see that kernel is calling the unmount as I see my
> debug prints inside the UBIFS for unmounting that partition. It seems
> like the calls are buffered/queued because of container.
> If I tried to mount my NAND partition once the container is up and try
> to unmount then it does unmount and detach without issue. It seems
> like there is an issue with namespace.
> I am using 4.1.8 kernel . Please let me know if you need any
> additional detail from my end.
> Thanks in advance !
> Ronak A Desai
> Sr. Software Engineer
> Airborne Information Solutions / RC Linux Platform Software
> MS 131-100, C Ave NE, Cedar Rapids, IA, 52498, USA
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