On Tue, Apr 20, 2021 at 12:00:05PM +0200, Rainer Dorsch wrote: > Am Montag, 19. April 2021, 22:25:44 CEST schrieb to...@tuxteam.de:
[...] > > Perhaps Emacs is trying to write a backup file to the directory. > > Does it have write access to the containing directory? [...] > There is nothing which would not allow emacs to write a backup file in that > directory > > rd@Testing:~/local/Managed$ touch test.txt > rd@Testing:~/local/Managed$ ls -l test.txt > -rwxrwxrwx 1 root root 0 Apr 20 11:48 test.txt > rd@Testing:~/local/Managed$ rm -rf test.txt > rd@Testing:~/local/Managed$ Strange setup: How does test.text belong to root if you are not root? I'd understand that it belongs to group root, that's what the setgid bit is for. But _user_ root? > For me the crucial message is > > basic-save-buffer-2: Unlocking file: Operation not permitted, > /mnt/dor1rt/Local/ > Managed/sb.blog Anyway, this is a good hint. See "18.3.4 Protection against Simultaneous Editing" in the Emacs user manual (or, if you prefer reading in a browser, here [1]. But your permissions set up is... strange. The above behaviour doesn't look plausible to me. Unless rd is actually root. Cheers [1] https://www.gnu.org/software/emacs//manual/html_node/emacs/Interlocking.html - t
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