kernel-packages team mailing list archive

[stvo <1417157@xxxxxxxxxxxxxxxxxx>]

I tested http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.19-rc7-vivid/
an the state of the SACK packes is still invalid and thus those packets
are filtered by the firewall which leads to stalling scp connection.

** Tags added: kernel-bug-exists-upstream

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

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https://bugs.launchpad.net/bugs/1417157

Title:
  scp transfers stalls and aborts because of SACK packages with invalid
  state

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  There is an existing bug report at red hat websites that exactly
  discribes what happens to my ubuntu server installation.

  https://bugzilla.redhat.com/show_bug.cgi?id=161898

  I can confirm that this bug is affecting ubuntu 14.04 servers as well
  as debian installations we are running in our university network. I
  can further confirm that all workarounds stated in the last post by
  Chris (2014-02-20 12:17:53 EST) work and he nailed pretty much all my
  findings on our servers. So please read the last post by Chris.

  There is probably  also a relation to this launchpad issue: Bug
  #1388786, but I'm not shure about that. Is there any way you can
  provide me with a linux kernel that solves this issue. I'm willing to
  test and report here.

  Thanks in advance
  StVO
  --- 
  AlsaDevices:
   total 0
   crw-rw---- 1 root audio 116,  1 Feb  2 13:26 seq
   crw-rw---- 1 root audio 116, 33 Feb  2 13:26 timer
  AplayDevices: Error: [Errno 2] No such file or directory
  ApportVersion: 2.14.1-0ubuntu3.6
  Architecture: amd64
  ArecordDevices: Error: [Errno 2] No such file or directory
  AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1:
  CRDA: Error: [Errno 2] No such file or directory
  DistroRelease: Ubuntu 14.04
  HibernationDevice: RESUME=UUID=5fbc1974-f145-443b-adf9-708d9b8d8b21
  InstallationDate: Installed on 2012-07-17 (930 days ago)
  InstallationMedia: Ubuntu-Server 12.04 LTS "Precise Pangolin" - Release amd64 (20120424.1)
  IwConfig:
   eth0      no wireless extensions.
   
   eth1      no wireless extensions.
   
   lo        no wireless extensions.
  MachineType: HP ProLiant DL380p Gen8
  Package: linux (not installed)
  PciMultimedia:
   
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=de_DE.UTF-8
   SHELL=/bin/bash
  ProcFB: 0 VESA VGA
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-45-generic root=UUID=4ccd0afd-59be-4acb-bdc6-34f2699db5b9 ro intremap=no_x2apic_optout reboot=bios
  ProcVersionSignature: Ubuntu 3.13.0-45.74-generic 3.13.11-ckt13
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-45-generic N/A
   linux-backports-modules-3.13.0-45-generic  N/A
   linux-firmware                             1.127.11
  RfKill: Error: [Errno 2] No such file or directory
  Tags:  trusty
  Uname: Linux 3.13.0-45-generic x86_64
  UpgradeStatus: Upgraded to trusty on 2014-09-05 (150 days ago)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
  _MarkForUpload: True
  dmi.bios.date: 02/25/2012
  dmi.bios.vendor: HP
  dmi.bios.version: P70
  dmi.chassis.type: 23
  dmi.chassis.vendor: HP
  dmi.modalias: dmi:bvnHP:bvrP70:bd02/25/2012:svnHP:pnProLiantDL380pGen8:pvr:cvnHP:ct23:cvr:
  dmi.product.name: ProLiant DL380p Gen8
  dmi.sys.vendor: HP

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