On Thu, 06 Nov 2014 10:00:12 -0700 Stephen Warren <swar...@wwwdotorg.org> wrote:
> On 11/06/2014 03:23 AM, Lukasz Majewski wrote: > > This change helps to run script on machines with quite long uptime. > > Without this the following error emerges: > > > > File: ./dat_14M.img > > umount: /mnt/tmp-ums-test: device is busy. > > (In some cases useful info about processes that use > > the device is found by lsof(8) or fuser(1)) > > TX: md5sum:083d3d22b542d3ecba61b12d17e03f9f > > mount: /dev/sdd6 already mounted or /mnt/tmp-ums-test busy > > mount: according to mtab, /dev/sdd6 is already mounted > > on /mnt/tmp-ums-test > > > diff --git a/test/ums/ums_gadget_test.sh > > b/test/ums/ums_gadget_test.sh > > > cp ./$1 $MNT_DIR > > + sleep 2 > > umount $MNT_DIR > > I don't think there's any guarantee the "2" is the exact correct > amount of time to sleep; I presume you derived the value by trying > some values until you found one that works, and so the actual value > required may vary from system to system. How about something like the > following, which I use in a script that copies a new kernel to an SD > card, where I experienced a similar issue: > > while true; do > sudo umount /mnt/C-ROOT/ > if [ $? -eq 0 ]; then > break > fi > echo sleeping to wait for umount... > sleep 1 > done Stephen, It is exactly what I'm looking for. Thanks a lot for support. Best regards, Lukasz
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