[Bug 2060797] Re: df says Resource temporarily unavailable after kernel upgrade to 5.15.0-102

[David UB Vaughan]

I'm seeing the same on Linux Mint 21.1 Cinnamon 5.6.8 with kernel
5.15.0-102. Also noted that Thunderbird crashes  on this kernal version
if its profiles are mounted via cifs.

appears to be a permissions issue

kernel: [ 9815.799722] audit: type=1400 audit(1711979062.969:153):
apparmor="ALLOWED" operation="open" profile="libreoffice-soffice"
name="/Working/Thunderbird/profiles.ini" pid=6651 comm="soffice.bin"
requested_mask="r" denied_mask="r" fsuid=1000 ouid=1000

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Title:
  df says Resource temporarily unavailable after kernel upgrade to
  5.15.0-102

Status in cifs-utils package in Ubuntu:
  Confirmed

Bug description:
  Hi, updagraded my Ubuntu 20.04 machine to the latest v5.15.0-102
  kernel and found my CIFS mounted volumes reporting the following:

  df: /home/user/share: Resource temporarily unavailable

  Others are reporting the same problem, e.g:

  Problem: df says Resource temporarily unavailable. 
  https://forums.linuxmint.com/viewtopic.php?p=2454229#p2454229

  It looks like there's a fix that's yet to make it to Ubuntu kernels:

  [PATCH 5.15.y 0/1] smb: client: fix "df: Resource temporarily unavailable" on 5.15 stable kernel
  https://lore.kernel.org/lkml/2024020616 ... nux.org/T/

  Booting into v5.15.0-101.11 works fine which, according to the Ubuntu
  changelog, was released the same day as 5.15.0-102.112:

  https://launchpad.net/ubuntu/+source/linux/+changelog

  Could this be looked at please?

  Thanks in advance.

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