<html><head></head><body><div style="font-family:Helvetica Neue, Helvetica, Arial, sans-serif;font-size:13px;"><div><div>Sorry to respond to this email...</div><div><br></div><div>I have registered with lxc-users mailing list, but when i sent a query, i'm not sure its' reaching the whole distribution or not.</div></div><div><br></div><div>Can someone please help me with this?</div><div><br></div><div>/Avadhut.</div>
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On Wednesday, 28 March, 2018, 11:06:58 PM IST, Ronak Desai <ronak.desai@rockwellcollins.com> wrote:
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<div><div dir="ltr">Hi,<br></div><div dir="ltr"><br></div><div dir="ltr">I came a cross a problem where if the containers are running then it<br></div><div dir="ltr">affects the unmount process of the system's mount points. I am not<br></div><div dir="ltr">using these mount points as shared partitions with container.<br></div><div dir="ltr"><br></div><div dir="ltr">For example, I am using SD card and NAND as external storage device<br></div><div dir="ltr">and mounting it to a mount point in the ramfs. Then I am launching<br></div><div dir="ltr">containers and then when I try to unmount the NAND partition then my<br></div><div dir="ltr">"unmount" call succeeds but I don't see the UBIFS hooks being called<br></div><div dir="ltr">and because of that my UBI detach process fails. When I stopped the<br></div><div dir="ltr">container then I see that kernel is calling the unmount as I see my<br></div><div dir="ltr">debug prints inside the UBIFS for unmounting that partition. It seems<br></div><div dir="ltr">like the calls are buffered/queued because of container.<br></div><div dir="ltr"><br></div><div dir="ltr">If I tried to mount my NAND partition once the container is up and try<br></div><div dir="ltr">to unmount then it does unmount and detach without issue. It seems<br></div><div dir="ltr">like there is an issue with namespace.<br></div><div dir="ltr"><br></div><div dir="ltr">I am using 4.1.8 kernel . Please let me know if you need any<br></div><div dir="ltr">additional detail from my end.<br></div><div dir="ltr"><br></div><div dir="ltr">Thanks in advance !<br></div><div dir="ltr"><br></div><div dir="ltr">-- <br></div><div dir="ltr">Ronak A Desai<br></div><div dir="ltr">Sr. Software Engineer<br></div><div dir="ltr">Airborne Information Solutions / RC Linux Platform Software<br></div><div dir="ltr">MS 131-100, C Ave NE, Cedar Rapids, IA, 52498, USA<br></div><div dir="ltr"><a href="mailto:Ronak.Desai@rockwellcollins.com" rel="nofollow" target="_blank">Ronak.Desai@rockwellcollins.com</a><br></div><div dir="ltr"><a href="https://www.rockwellcollins.com/" rel="nofollow" target="_blank">https://www.rockwellcollins.com/</a><br></div><div dir="ltr">_______________________________________________<br></div><div dir="ltr">lxc-users mailing list<br></div><div dir="ltr"><a href="mailto:lxc-users@lists.linuxcontainers.org" rel="nofollow" target="_blank">lxc-users@lists.linuxcontainers.org</a><br></div><div dir="ltr"><a href="http://lists.linuxcontainers.org/listinfo/lxc-users" rel="nofollow" target="_blank">http://lists.linuxcontainers.org/listinfo/lxc-users</a></div></div>
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