[Bug 1556306] Re: vhost-user: qemu stops processing packets under high load of traffic

2016-03-23 Thread Vincent JARDIN
Great, thanks for your ack't of the update being available for ppc.

-- 
You received this bug notification because you are a member of Ubuntu
Server Team, which is subscribed to qemu-kvm in Ubuntu.
https://bugs.launchpad.net/bugs/1556306

Title:
   vhost-user: qemu stops processing packets under high load of traffic

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/qemu/+bug/1556306/+subscriptions

-- 
Ubuntu-server-bugs mailing list
Ubuntu-server-bugs@lists.ubuntu.com
Modify settings or unsubscribe at: 
https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs


[Bug 1556306] Re: vhost-user: qemu stops processing packets under high load of traffic

2016-03-19 Thread Vincent JARDIN
it seems that the fix was not applied on ppc build:
   https://launchpad.net/ubuntu/+source/qemu/1:2.5+dfsg-1ubuntu3/+build/8842754
   https://launchpad.net/ubuntu/+source/qemu/1:2.5+dfsg-1ubuntu3/+build/8842753

neither on arm64:
  https://launchpad.net/ubuntu/+source/qemu/1:2.5+dfsg-1ubuntu3/+build/8842750

-- 
You received this bug notification because you are a member of Ubuntu
Server Team, which is subscribed to qemu-kvm in Ubuntu.
https://bugs.launchpad.net/bugs/1556306

Title:
   vhost-user: qemu stops processing packets under high load of traffic

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/qemu/+bug/1556306/+subscriptions

-- 
Ubuntu-server-bugs mailing list
Ubuntu-server-bugs@lists.ubuntu.com
Modify settings or unsubscribe at: 
https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs


[Bug 1556980] Re: vhost-user: qemu stops processing packets under high load of traffic

2016-03-19 Thread Vincent JARDIN
*** This bug is a duplicate of bug 1556306 ***
https://bugs.launchpad.net/bugs/1556306

It is a duplicate. I just wrongly opened 1556306 into wrong the place.

-- 
You received this bug notification because you are a member of Ubuntu
Server Team, which is subscribed to qemu-kvm in Ubuntu.
https://bugs.launchpad.net/bugs/1556980

Title:
  vhost-user: qemu stops processing packets under high load of traffic

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/qemu-kvm/+bug/1556980/+subscriptions

-- 
Ubuntu-server-bugs mailing list
Ubuntu-server-bugs@lists.ubuntu.com
Modify settings or unsubscribe at: 
https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs


[Bug 1556306] Re: vhost-user: qemu stops processing packets under high load of traffic

2016-03-19 Thread Vincent JARDIN
Side question, will you apply it to qemu-kvm from
  
https://launchpad.net/~ubuntu-cloud-archive/+archive/ubuntu/mitaka-staging/+files/qemu-kvm_2.5+dfsg-5ubuntu5~cloud0_amd64.deb
too?

or should I open another bug?

-- 
You received this bug notification because you are a member of Ubuntu
Server Team, which is subscribed to qemu-kvm in Ubuntu.
https://bugs.launchpad.net/bugs/1556306

Title:
   vhost-user: qemu stops processing packets under high load of traffic

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/qemu/+bug/1556306/+subscriptions

-- 
Ubuntu-server-bugs mailing list
Ubuntu-server-bugs@lists.ubuntu.com
Modify settings or unsubscribe at: 
https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs


[Bug 1556980] [NEW] vhost-user: qemu stops processing packets under high load of traffic

2016-03-14 Thread Vincent JARDIN
Public bug reported:

Already described here,
  https://bugs.launchpad.net/qemu/+bug/1556306

Description of problem:
- qemu socket becomes full, causing qemu to send incomplete
SET_VRING_CALL messages to vhost-user backend (without proper fd set in
ancillary data).
- after some time, some interrupts are lost, causing the VM to stop
transmitting packets.

How reproducible:
Run a stress tests of a vhost-user interface using an UDP
traffic generator. Traffic generator (IXIA) was connected to 2 physical ports 
that are in turn connected to 2 virtio ports through a linux bridge, VM
(running linux) doing routing to forward packets between the 2 virtio ports.
When traffic reaches high pps rates of small packets,

Actual results:
- VM stop transmitting packets

Expected results:
- VM should never stop transmitting packets

Additional info:
We do propose a fix at:
  http://lists.nongnu.org/archive/html/qemu-devel/2015-12/msg00652.html

for tracking,
  
http://git.qemu.org/?p=qemu.git;a=patch;h=5669655aafdb88a8797c74a989dd0c0ebb1349fa

** Affects: qemu-kvm (Ubuntu)
 Importance: Undecided
 Status: New


** Tags: 6wind

** Tags added: 6wind

-- 
You received this bug notification because you are a member of Ubuntu
Server Team, which is subscribed to qemu-kvm in Ubuntu.
https://bugs.launchpad.net/bugs/1556980

Title:
  vhost-user: qemu stops processing packets under high load of traffic

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/qemu-kvm/+bug/1556980/+subscriptions

-- 
Ubuntu-server-bugs mailing list
Ubuntu-server-bugs@lists.ubuntu.com
Modify settings or unsubscribe at: 
https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs