GNU bug report logs - #72641
31.0.50; "Unlocking file: Invalid argument" when deleting lock file on network file system

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Package: emacs;

Reported by: Michal Nazarewicz <mina86 <at> mina86.com>

Date: Thu, 15 Aug 2024 16:03:02 UTC

Severity: normal

Merged with 70973

Found in versions 29.1, 31.0.50

Done: Paul Eggert <eggert <at> cs.ucla.edu>

Bug is archived. No further changes may be made.

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From: Paul Eggert <eggert <at> cs.ucla.edu>
To: Michal Nazarewicz <mina86 <at> mina86.com>
Cc: 72641 <at> debbugs.gnu.org, Eli Zaretskii <eliz <at> gnu.org>
Subject: bug#72641: 31.0.50; "Unlocking file: Invalid argument" when deleting lock file on network file system
Date: Sat, 17 Aug 2024 15:38:06 -0700

On 2024-08-17 13:03, Michal Nazarewicz wrote:
> It looks like symlink(2) fails with EIO while the server creates
> a regular file, however it takes the client to notice another second.

Yes, it's definitely a file system bug, and I don't see any good way for 
Emacs to work around it.

You might try doing your CIFS mount with the mfsymlinks option. See:

https://docs.kernel.org/admin-guide/cifs/usage.html

https://wiki.samba.org/index.php/UNIX_Extensions#Minshall.2BFrench_symlinks

If you're already using mfsymlinks it might be a good time to file a bug 
report with your file system supplier.
This bug report was last modified 277 days ago.

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