[Bug 1423631] Re: tap interface drops many packets on highload systems

2015-06-18 Thread Michael Kazakov
I found the cause of the problem. The tap interface of a instance has small tx length 500 packets. At a high network load (15-25 Kpps) and high CPU load on a guest some times queue overflows and the tap interface start drop network packages. I think that queue overflow occurs in moments of

[Bug 1423631] Re: tap interface drops many packets on highload systems

2015-06-18 Thread Michael Kazakov
I found the cause of the problem. The tap interface of a instance has small tx length 500 packets. At a high network load (15-25 Kpps) and high CPU load on a guest some times queue overflows and the tap interface start drop network packages. I think that queue overflow occurs in moments of

[Bug 1445084] [NEW] neutron-dhcp-agent send 0x03 dhcp flag to a client

2015-04-16 Thread Michael Kazakov
Public bug reported: If the client is a virtial host with Window introduced in the AD domain. The client does not send dns updates on AD server because neutron-dhcp-agent sends 0x03 dhcp flag in response. Client request: Option: (81) Client Fully Qualified Domain Name Length: 23 Flags: 0x00

[Bug 1445084] [NEW] neutron-dhcp-agent send 0x03 dhcp flag to a client

2015-04-16 Thread Michael Kazakov
Public bug reported: If the client is a virtial host with Window introduced in the AD domain. The client does not send dns updates on AD server because neutron-dhcp-agent sends 0x03 dhcp flag in response. Client request: Option: (81) Client Fully Qualified Domain Name Length: 23 Flags: 0x00

[Bug 1423631] IwConfig.txt

2015-02-20 Thread Michael Kazakov
apport information ** Attachment added: IwConfig.txt https://bugs.launchpad.net/bugs/1423631/+attachment/4323627/+files/IwConfig.txt -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to qemu in Ubuntu.

[Bug 1423631] WifiSyslog.txt

2015-02-20 Thread Michael Kazakov
apport information ** Attachment added: WifiSyslog.txt https://bugs.launchpad.net/bugs/1423631/+attachment/4323635/+files/WifiSyslog.txt ** Changed in: qemu-kvm (Ubuntu) Status: New = Incomplete ** Changed in: qemu-kvm (Ubuntu) Status: Incomplete = Confirmed -- You received

[Bug 1423631] Lsusb.txt

2015-02-20 Thread Michael Kazakov
apport information ** Attachment added: Lsusb.txt https://bugs.launchpad.net/bugs/1423631/+attachment/4323629/+files/Lsusb.txt -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to qemu in Ubuntu. https://bugs.launchpad.net/bugs/1423631

[Bug 1423631] Lspci.txt

2015-02-20 Thread Michael Kazakov
apport information ** Attachment added: Lspci.txt https://bugs.launchpad.net/bugs/1423631/+attachment/4323628/+files/Lspci.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1423631 Title: tap

[Bug 1423631] UdevDb.txt

2015-02-20 Thread Michael Kazakov
apport information ** Attachment added: UdevDb.txt https://bugs.launchpad.net/bugs/1423631/+attachment/4323633/+files/UdevDb.txt -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to qemu in Ubuntu.

[Bug 1423631] WifiSyslog.txt

2015-02-20 Thread Michael Kazakov
apport information ** Attachment added: WifiSyslog.txt https://bugs.launchpad.net/bugs/1423631/+attachment/4323635/+files/WifiSyslog.txt ** Changed in: qemu-kvm (Ubuntu) Status: New = Incomplete ** Changed in: qemu-kvm (Ubuntu) Status: Incomplete = Confirmed -- You received

[Bug 1423631] Lsusb.txt

2015-02-20 Thread Michael Kazakov
apport information ** Attachment added: Lsusb.txt https://bugs.launchpad.net/bugs/1423631/+attachment/4323629/+files/Lsusb.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1423631 Title: tap

[Bug 1423631] ProcModules.txt

2015-02-20 Thread Michael Kazakov
apport information ** Attachment added: ProcModules.txt https://bugs.launchpad.net/bugs/1423631/+attachment/4323632/+files/ProcModules.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1423631

[Bug 1423631] Re: tap interface drops many packets on highload systems

2015-02-20 Thread Michael Kazakov
apport information ** Tags added: apport-collected trusty ** Description changed: I use qemu-kvm in openstak. On highload hypervisor tap interface of net-highload gues drops many TX packages. Network options of qemu-system-x86_64 ... -netdev tap,fd=30,id=hostnet0,vhost=on,vhostfd=31

[Bug 1423631] UdevLog.txt

2015-02-20 Thread Michael Kazakov
apport information ** Attachment added: UdevLog.txt https://bugs.launchpad.net/bugs/1423631/+attachment/4323634/+files/UdevLog.txt -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to qemu in Ubuntu.

[Bug 1423631] Lspci.txt

2015-02-20 Thread Michael Kazakov
apport information ** Attachment added: Lspci.txt https://bugs.launchpad.net/bugs/1423631/+attachment/4323628/+files/Lspci.txt -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to qemu in Ubuntu. https://bugs.launchpad.net/bugs/1423631

[Bug 1423631] ProcCpuinfo.txt

2015-02-20 Thread Michael Kazakov
apport information ** Attachment added: ProcCpuinfo.txt https://bugs.launchpad.net/bugs/1423631/+attachment/4323630/+files/ProcCpuinfo.txt -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to qemu in Ubuntu.

[Bug 1423631] CurrentDmesg.txt

2015-02-20 Thread Michael Kazakov
apport information ** Attachment added: CurrentDmesg.txt https://bugs.launchpad.net/bugs/1423631/+attachment/4323626/+files/CurrentDmesg.txt -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to qemu in Ubuntu.

[Bug 1423631] ProcModules.txt

2015-02-20 Thread Michael Kazakov
apport information ** Attachment added: ProcModules.txt https://bugs.launchpad.net/bugs/1423631/+attachment/4323632/+files/ProcModules.txt -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to qemu in Ubuntu.

[Bug 1423631] UdevDb.txt

2015-02-20 Thread Michael Kazakov
apport information ** Attachment added: UdevDb.txt https://bugs.launchpad.net/bugs/1423631/+attachment/4323633/+files/UdevDb.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1423631 Title: tap

[Bug 1423631] UdevLog.txt

2015-02-20 Thread Michael Kazakov
apport information ** Attachment added: UdevLog.txt https://bugs.launchpad.net/bugs/1423631/+attachment/4323634/+files/UdevLog.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1423631 Title:

[Bug 1423631] IwConfig.txt

2015-02-20 Thread Michael Kazakov
apport information ** Attachment added: IwConfig.txt https://bugs.launchpad.net/bugs/1423631/+attachment/4323627/+files/IwConfig.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1423631 Title:

[Bug 1423631] ProcCpuinfo.txt

2015-02-20 Thread Michael Kazakov
apport information ** Attachment added: ProcCpuinfo.txt https://bugs.launchpad.net/bugs/1423631/+attachment/4323630/+files/ProcCpuinfo.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1423631

[Bug 1423631] CurrentDmesg.txt

2015-02-20 Thread Michael Kazakov
apport information ** Attachment added: CurrentDmesg.txt https://bugs.launchpad.net/bugs/1423631/+attachment/4323626/+files/CurrentDmesg.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1423631

[Bug 1423631] ProcInterrupts.txt

2015-02-20 Thread Michael Kazakov
apport information ** Attachment added: ProcInterrupts.txt https://bugs.launchpad.net/bugs/1423631/+attachment/4323631/+files/ProcInterrupts.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu.

[Bug 1423631] Re: tap interface drops many packets on highload systems

2015-02-20 Thread Michael Kazakov
apport information ** Tags added: apport-collected trusty ** Description changed: I use qemu-kvm in openstak. On highload hypervisor tap interface of net-highload gues drops many TX packages. Network options of qemu-system-x86_64 ... -netdev tap,fd=30,id=hostnet0,vhost=on,vhostfd=31

[Bug 1423631] ProcInterrupts.txt

2015-02-20 Thread Michael Kazakov
apport information ** Attachment added: ProcInterrupts.txt https://bugs.launchpad.net/bugs/1423631/+attachment/4323631/+files/ProcInterrupts.txt -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to qemu in Ubuntu.

[Bug 1423631] [NEW] tap interface drops many packets on highload systems

2015-02-19 Thread Michael Kazakov
Public bug reported: I use qemu-kvm in openstak. On highload hypervisor tap interface of net-highload gues drops many TX packages. Network options of qemu-system-x86_64 ... -netdev tap,fd=30,id=hostnet0,vhost=on,vhostfd=31 -device

[Bug 1423631] [NEW] tap interface drops many packets on highload systems

2015-02-19 Thread Michael Kazakov
Public bug reported: I use qemu-kvm in openstak. On highload hypervisor tap interface of net-highload gues drops many TX packages. Network options of qemu-system-x86_64 ... -netdev tap,fd=30,id=hostnet0,vhost=on,vhostfd=31 -device

[Bug 1310340] Re: live migration fails when use long hostname of a nova compute target host

2014-04-27 Thread Michael Kazakov
** Also affects: horizon (Ubuntu) Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to horizon in Ubuntu. https://bugs.launchpad.net/bugs/1310340 Title: live migration fails when use long

[Bug 1310340] Re: live migration fails when use long hostname of a nova compute target host

2014-04-27 Thread Michael Kazakov
** Also affects: horizon (Ubuntu) Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1310340 Title: live migration fails when use long hostname of a nova

[Bug 1301393] Re: Live image snapshotting failure on icehouse

2014-04-20 Thread Michael Kazakov
I heve same error after live migration: https://bugs.launchpad.net/nova/+bug/1309055 -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to nova in Ubuntu. https://bugs.launchpad.net/bugs/1301393 Title: Live image snapshotting failure on

[Bug 1301393] Re: Live image snapshotting failure on icehouse

2014-04-20 Thread Michael Kazakov
I heve same error after live migration: https://bugs.launchpad.net/nova/+bug/1309055 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1301393 Title: Live image snapshotting failure on icehouse To