Hi Axel,

Sorry about you getting spammed about all these verifications. The robot
that posts these messages looks for the Launchpad bug number in the
package changelogs, and just makes a post for every package it sees it
in.

You might not know, but Ubuntu has slightly over 100 kernels these days,
across all series releases. These are split in the primary kernels, like
-generic, and then all the derivatives like -aws, -azure, -gcp, -fips,
-virtual, and so on, and then including the HWE kernels and their
derivatives too.

This got fixed in all the 5.15 kernels, so the robot goes crazy and
spams those "please verify" comments for all the derivatives.

We usually just verify the -generic kernel only, unless it has greater
impact to one of those derivatives.

There's no further action needed on your part. The fix won't be removed
for not verifying a derivative you have never heard of.

Hope that clears it up a bit.

Thanks,
Matthew

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You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/2060780

Title:
  CIFS stopped working/is unstable with kernel update to 5.15.0-102.112

Status in linux package in Ubuntu:
  Invalid
Status in linux source package in Jammy:
  Fix Released

Bug description:
  Hi,

  updated some Ubuntu 22.04 systems to lastest available state this
  morning, which caused CIFS mounts (from various fileservers) to stop
  working. Kernel was updated to version 5.15.0-102-generic.

  I can mount the shares without problems (mount -t cifs), but then, df for 
example tells me: df: /mnt: Resource temporarily unavailable.
  I'm able to list and browse all the files, but accessing them (even readonly) 
is very unstable. Sometimes it works and sometimes it just gives me i/o errors. 

  Switching back to  5.15.0-101-generic or 5.15.0-100-generic solves the
  problem and everything works again as expected.

  Seems like some bug has been implemented in 5.15.0-102-generic...

  To reproduce the problem, I started a while loop on one server to
  write to some file on a specific mounted CIFS share and read it from
  another one

  root@<hostname1>:~# while true; do echo "$(date) hallo" >> /mnt/hallo.txt; 
sleep 1 ; done
  -bash: /mnt/hallo.txt: Input/output error
  -bash: /mnt/hallo.txt: Input/output error
  ^C

  root@<hostname2>:~$ tail -f /mnt/hallo.txt
  Tue Apr  9 04:10:52 PM CEST 2024 hallo
  Tue Apr  9 04:10:53 PM CEST 2024 hallo
  Tue Apr  9 04:10:54 PM CEST 2024 hallo
  Tue Apr  9 04:10:55 PM CEST 2024 hallo
  Tue Apr  9 04:10:56 PM CEST 2024 hallo
  Tue Apr  9 04:10:57 PM CEST 2024 hallo
  Tue Apr  9 04:10:58 PM CEST 2024 hallo
  Tue Apr  9 04:10:59 PM CEST 2024 hallo
  Tue Apr  9 04:11:00 PM CEST 2024 hallo
  Tue Apr  9 04:11:01 PM CEST 2024 hallo
  tail: cannot determine location of '/mnt/hallo.txt'. reverting to polling: 
Resource temporarily unavailable
  Tue Apr  9 04:11:04 PM CEST 2024 hallo
  Tue Apr  9 04:11:05 PM CEST 2024 hallo
  Tue Apr  9 04:11:06 PM CEST 2024 hallo
  Tue Apr  9 04:11:07 PM CEST 2024 hallo
  Tue Apr  9 04:11:08 PM CEST 2024 hallo
  Tue Apr  9 04:11:09 PM CEST 2024 hallo
  Tue Apr  9 04:11:10 PM CEST 2024 hallo

  While doing this, both servers tell me, the resource is unavailable

  root@<hostname1>:~# df -h /mnt
  df: /mnt: Resource temporarily unavailable

  root@<hostname2>:~$ df -h /mnt
  df: /mnt: Resource temporarily unavailable

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