On Thu, Nov 30, 2023 at 1:26 PM Benjamin Coddington <bcodding@xxxxxxxxxx> wrote: > > On 29 Nov 2023, at 22:45, Martin Wege wrote: > > > ? > > > > On Fri, Nov 24, 2023 at 9:57 AM Martin Wege <martin.l.wege@xxxxxxxxx> wrote: > >> > >> Hello, > >> > >> We get a umount.nfs: /mnt: block devices not permitted on fs in a snap > >> container on Ubuntu. > >> > >> Can anyone explain what is going wrong? > > Something in umount is calling umount_error() with -EACCES. I admit that > error message makes no sense, it seems to be cruft. Can this be fixed, please? > > Maybe you can run the umount in gdb with a breakpoint on umount_error() and > send along the stack. This is much more difficult than I expected - the target system is a Ubuntu Core system, which uses SNAPs, and debugging there is a disaster. Does umount have an extended debug output? Thanks, Martin
