On Thu, Jul 9, 2020 at 5:24 AM Tomek The Messenger < [email protected]> wrote:
> Hi > On the soc on which I work there is issue with unmouting some > partitions/directories during /sbin/reboot, here is some example: > > [ OK ] Stopped target Local File System. > Unmouting Temporary Directory (/tmp)... > Unmouting /run/user/0... > ... > [ FAILED ] Failed unmouting Temporary Directory (/tmp). > [ FAILED ] Failed unmouting /run/user/0. > .... > > Unfortunately like it is typical in kernel information about why > unmouting failed doesn't appear. So seems like searching in darkness what > is going on. Is any way how to search in darkness? Firstly I should make > sure /tmp or /run/user/0 is really a partition and was mount at linux > startup. Then maybe I should check access rights if it is rwx. What else > can be tried here? > _______________________________________________ > > make sure there is no process which has these directories open (cd into it or open a file), you can I put some printk in the code to debug what leads to this condition.
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