Control: tags -1 + upstream On Mon, Aug 03, 2020 at 10:23:49AM +0200, Philipp Huebner wrote: > Package: src:linux > Version: 4.19.132-1 > Severity: important > > Dear Maintainer(s), > > we are using several cifs mounts, among them our users' homes, and this > regression causes graphical logins to fail, because > ~/.local/share/xorg/Xorg.0.log > could no longer be moved to > ~/.local/share/xorg/Xorg.0.log.old: > > > Aug 3 04:19:41 /usr/lib/gdm3/gdm-x-session[8166]: (EE) Cannot move > old log file "/home/phuebner/.local/share/xorg/Xorg.0.log" to > "/home/phuebner/.local/share/xorg/Xorg.0.log.old" > > Manually deleting either Xorg.0.log or Xorg.0.log.old fixes logging in > for the next attempt, deleting both fixes the next two login attempts. > > While looking for the root cause, it turned out to be a generic problem > with linux-image-4.19.0-10-amd64: > > ~$ rm -f foo bar > ~$ echo test > foo > ~$ echo test > bar > ~$ mv foo bar > mv: cannot move 'foo' to 'bar': File exists > > This is a problem on all our cifs mounts, no file can be replaced > without actively deleting it first. > > The mounts look like this (taken from /proc/mounts): > //homes-server/phuebner /home/phuebner cifs > rw,nosuid,nodev,relatime,vers=1.0,cache=strict,username=phuebner,uid=5079,noforceuid,gid=65534,noforcegid,addr=10.144.0.14,soft,unix,posixpaths,serverino,mapposix,nobrl,acl,rsize=1048576,wsize=65536,echo_interval=60,actimeo=1 > 0 0 > > The server is running samba 2:4.9.5 on Debian 10, for some tricky > reasons we cannot use higher smb versions than 1.0 at the moment. > > Manually booting the client into the previous kernel > (linux-image-4.19.0-9-amd64) restores the normal behaviour. > > Quick action on this would be much appreciated!
Could you please check if applying https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=0e6705182d4e1b77248a93470d6d7b3013d59b30 on top fixes the issue for you? The fix was backported to 4.19.135 and the introducing commit was backported in 4.19.132. Regards, Salvatore
