kernel-packages team mailing list archive

["Christopher M. Penalver" <christopher.m.penalver@xxxxxxxxx>]

pg, thank you for reporting this and helping make Ubuntu better.

Could you please test the latest upstream kernel available from the very
top line at the top of the page from http://kernel.ubuntu.com/~kernel-
ppa/mainline/?C=N;O=D (the release names are irrelevant for testing, and
please do not test the daily folder)? Install instructions are available
at https://wiki.ubuntu.com/Kernel/MainlineBuilds . This will allow
additional upstream developers to examine the issue.

If the latest kernel did not allow you to test to the issue (ex. you couldn't boot into the OS) please make a comment in your report about this, and continue to test the next most recent kernel version until you can test to the issue. Once you've tested the upstream kernel, please comment on which kernel version specifically you tested. If this issue is fixed in the mainline kernel, please add the following tags by clicking on the yellow circle with a black pencil icon, next to the word Tags, located at the bottom of the report description:
kernel-fixed-upstream
kernel-fixed-upstream-X.Y-rcZ

Where X, and Y are the first two numbers of the kernel version, and Z is
the release candidate number if it exists.

If the mainline kernel does not fix the issue, please add the following tags:
kernel-bug-exists-upstream
kernel-bug-exists-upstream-X.Y-rcZ

Please note, an error to install the kernel does not fit the criteria of
kernel-bug-exists-upstream.

Once testing of the latest upstream kernel is complete, please mark this
report's Status as Confirmed. Please let us know your results.

Thank you for your understanding.


** No longer affects: linux-meta-lts-trusty (Ubuntu)

** Changed in: linux (Ubuntu)
   Importance: Undecided => Medium

** Changed in: linux (Ubuntu)
       Status: Confirmed => Incomplete

-- 
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https://bugs.launchpad.net/bugs/1516738

Title:
  Kernel memory leak introduced with 14.04 kernel when used with squid3

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  I have a Ubuntu 12.04.5 LTS running in a Hyper-V VM for several years.
  Since I updated the system a few days ago to Linux 3.13.0-68-generic x86_64, the machine hangs
  with out of memory after about 2 days of uptime. (occurred several times)

  With the kernel from July (3.13.0-4?-generic x86_64 or 3.13.0-5? - I don't remember) there was no problem
  running the machine several month without interruption.

  I'm currently monitoring /proc/meminfo and /proc/slabinfo and can sea a steady increase of
  Slab in meminfo.

  I also have a second VM without showing the problem. The VM with the leak is used as internet
  router and firewall. Two things apply to the VM the the other does not have:
  - vsftpd is running, some files are downloaded from the machine every few minutes to hours.
  - there is a "tcpdump -i eth0 -s 65535 -C 100 -W 1000000000 -w /somefile" running all the time.

  The attached zip file contains the hourly logs of /proc/meminfo and /proc/slabinfo;
  *_151115_171444 are the first files after the last reboot.

  PS: Initially reported as Question:
  https://answers.launchpad.net/ubuntu/+question/274231

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