kernel-packages team mailing list archive

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

Kasper Dupont, thank you for reporting this and helping make Ubuntu better. Lucid reached EOL on May 9, 2013.
Please see this document for currently supported Ubuntu releases:
https://wiki.ubuntu.com/Releases

We were wondering if this is still an issue in a supported release? If
so, could you please confirm this issue exists with the latest
development release of Ubuntu? ISO images are available from
http://cdimage.ubuntu.com/daily-live/current/ . If the issue remains,
could you please run the following command in the development release
from a Terminal (Applications->Accessories->Terminal), as it will
automatically gather and attach updated debug information to this
report:

apport-collect -p linux <replace-with-bug-number>

Also, could you please test the latest upstream kernel available following https://wiki.ubuntu.com/KernelMainlineBuilds ? It will allow additional upstream developers to examine the issue. Please do not test the daily folder, but the one all the way at the bottom. Once you've tested the upstream kernel, please comment on which kernel version specifically you tested. If this bug is fixed in the mainline kernel, please add the following tags:
kernel-fixed-upstream
kernel-fixed-upstream-VERSION-NUMBER

where VERSION-NUMBER is the version number of the kernel you tested. For example:
kernel-fixed-upstream-v3.11-rc4

This can be done by clicking on the yellow circle with a black pencil icon next to the word Tags located at the bottom of the bug description. As well, please remove the tag:
needs-upstream-testing

If the mainline kernel does not fix this bug, please add the following tags:
kernel-bug-exists-upstream
kernel-bug-exists-upstream-VERSION-NUMBER

As well, please remove the tag:
needs-upstream-testing

If you are unable to test the mainline kernel, please comment as to why specifically you were unable to test it and add the following tags:
kernel-unable-to-test-upstream
kernel-unable-to-test-upstream-VERSION-NUMBER

Once testing of the upstream kernel is complete, please mark this bug's
Status as Confirmed. Please let us know your results. Thank you for your
understanding.

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

** Tags added: needs-full-computer-model

** Tags removed: needs-full-computer-model
** Tags added: latest-bios-napa0001.86c.0000.d.1009141059

** Summary changed:

- Kernel hangs on high network throughput
+ [Fit-PC2i] Kernel hangs on high network throughput

** Tags removed: networking

-- 
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/814894

Title:
  [Fit-PC2i] Kernel hangs on high network throughput

Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  If A Fit-PC2i receives more than 200Mbit/s of network traffic the
  kernel will hang. Cursor stops blinking, machine doesn't respond to
  keyboard and mouse input, no longer responds to ARP requests or any
  other network traffic.

  The problem is triggered every time a 10.04.3 system with kernel
  version 2.6.32-33-generic receives more than 200Mbit/s of network
  traffic. The bug affects both live system as well as fully installed
  system.

  The bug can be reproduced by downloading a 1GB file from a server on
  the LAN. The bug is only triggered if more than 200Mbit/s is
  transfered. If any link on the path between client and server is
  100Mbit/s or less the bug cannot be reproduced.

  The 8.04.4 live system is not affected by this problem and can receive
  600Mbit/s without problems on the same hardware.

  Marking this as a security problem because it can in principle be used
  to perform a DoS attack.

  ProblemType: Bug
  DistroRelease: Ubuntu 10.04
  Package: linux-image (not installed)
  Regression: Yes
  Reproducible: Yes
  ProcVersionSignature: Ubuntu 2.6.32-33.70-generic 2.6.32.41+drm33.18
  Uname: Linux 2.6.32-33-generic i686
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.21.
  Architecture: i386
  ArecordDevices:
   **** List of CAPTURE Hardware Devices ****
   card 0: MID [HDA Intel MID], device 0: ALC662 rev1 Analog [ALC662 rev1 Analog]
     Subdevices: 1/1
     Subdevice #0: subdevice #0
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  kasperd    1453 F.... pulseaudio
  CRDA: Error: [Errno 2] No such file or directory
  Card0.Amixer.info:
   Card hw:0 'MID'/'HDA Intel MID at 0xb0050000 irq 22'
     Mixer name	: 'Realtek ALC662 rev1'
     Components	: 'HDA:10ec0662,10ec0662,00100101'
     Controls      : 33
     Simple ctrls  : 19
  Date: Sat Jul 23 01:43:06 2011
  EcryptfsInUse: Yes
  HibernationDevice: RESUME=UUID=e14584e1-caed-4150-9e25-e364d27bebe3
  InstallationMedia: Ubuntu 10.04.3 LTS "Lucid Lynx" - Release i386 (20110720.1)
  MachineType: CompuLab CM-iAM/SBC-FITPC2i
  ProcCmdLine: BOOT_IMAGE=/vmlinuz-2.6.32-33-generic root=UUID=8bf29c49-594d-41b8-8513-ac3cf4bf4e1b ro rootdir=lucid
  ProcEnviron:
   LANG=en_DK.utf8
   SHELL=/bin/bash
  RelatedPackageVersions: linux-firmware 1.34.7
  RfKill:
   0: phy0: Wireless LAN
   	Soft blocked: no
   	Hard blocked: no
  SourcePackage: linux
  StagingDrivers: rt2870sta
  Title: [STAGING]
  dmi.bios.date: 09/14/2010
  dmi.bios.vendor: Phoenix Technologies LTD
  dmi.bios.version: NAPA0001.86C.0000.D.1009141059
  dmi.board.name: CM-iAM/SBC-FITPC2i
  dmi.board.vendor: Intel Corporation
  dmi.board.version: 1.x
  dmi.chassis.asset.tag: No Asset Tag
  dmi.chassis.type: 1
  dmi.chassis.vendor: OEM
  dmi.chassis.version: N/A
  dmi.modalias: dmi:bvnPhoenixTechnologiesLTD:bvrNAPA0001.86C.0000.D.1009141059:bd09/14/2010:svnCompuLab:pnCM-iAM/SBC-FITPC2i:pvrNotApplicable:rvnIntelCorporation:rnCM-iAM/SBC-FITPC2i:rvr1.x:cvnOEM:ct1:cvrN/A:
  dmi.product.name: CM-iAM/SBC-FITPC2i
  dmi.product.version: Not Applicable
  dmi.sys.vendor: CompuLab

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