Brain Fallik, this bug was reported a while ago and there hasn't been any activity in it recently. We were wondering if this is still an issue? If so, could you please test for this with the latest server release of Ubuntu? ISO images are available from http://releases.ubuntu.com/raring/ .
If it remains an issue, 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-rc5 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 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. ** Tags added: bios-outdated-105 needs-upstream-testing ** Changed in: linux (Ubuntu) Status: Confirmed => Incomplete ** Description changed: Binary package hint: qemu-kvm - Some TCP operations receive unexpected reset (RST) packets when executed on the guest. I can see these RST packets via Wireshark but can't explain their source. This breaks certain (most) networking on the guest. I uncovered this when some 'git clone' operations failed with "Broken Pipe" in the guests. I've been able to reproduce the same failures using scp and 'svn checkout'. The failure occurs 80-90% of the time and 'svn checkout' seems to be the quickest to fail. The same operations on the host are always successful. My setup is a Lucid amd64 host with two guests (Lucid and Hardy, both i386, using kvm). Networking seems to mostly work. I can maintain persistent ssh connections to the guest and some networking operations from the guest (ie. ping) never fail. However, the git-clone/scp/svn- checkout operations fail almost all the time. I've tried this with both virtio and e1000 drivers with no difference. This may be similar to some of the behavior reported in bug 584048 but not the final patch referenced in comment 27. I built a custon deb including the upstream patch for testing and it had no effect. - $ lsb_release -rd - Description: Ubuntu 10.04.1 LTS - Release: 10.04 + BIOS: + http://www-947.ibm.com/support/entry/portal/docdisplay?lndocid=MIGR-5080935 $ apt-cache policy qemu-kvm qemu-kvm: - Installed: 0.12.3+noroms-0ubuntu9.2 - Candidate: 0.12.3+noroms-0ubuntu9.2 - Version table: - *** 0.12.3+noroms-0ubuntu9.2 0 - 500 http://us.archive.ubuntu.com/ubuntu/ lucid-updates/main Packages - 100 /var/lib/dpkg/status - 0.12.3+noroms-0ubuntu9 0 - 500 http://us.archive.ubuntu.com/ubuntu/ lucid/main Packages + Installed: 0.12.3+noroms-0ubuntu9.2 + Candidate: 0.12.3+noroms-0ubuntu9.2 + Version table: + *** 0.12.3+noroms-0ubuntu9.2 0 + 500 http://us.archive.ubuntu.com/ubuntu/ lucid-updates/main Packages + 100 /var/lib/dpkg/status + 0.12.3+noroms-0ubuntu9 0 + 500 http://us.archive.ubuntu.com/ubuntu/ lucid/main Packages ProblemType: Bug DistroRelease: Ubuntu 10.04 Package: kvm 1:84+dfsg-0ubuntu16+0.12.3+noroms+0ubuntu9.2 ProcVersionSignature: Ubuntu 2.6.32-24.39-server 2.6.32.15+drm33.5 Uname: Linux 2.6.32-24-server x86_64 Architecture: amd64 Date: Tue Aug 10 16:39:24 2010 InstallationMedia: Ubuntu-Server 10.04 "Lucid Lynx" - Beta amd64 (20100406.1) KvmCmdLine: - UID PID PPID C SZ RSS PSR STIME TTY TIME CMD - root 17641 1 1 2174883 1087144 1 15:42 ? 00:00:59 /usr/bin/kvm -S -M pc-0.12 -cpu qemu32 -enable-kvm -m 8192 -smp 8 -name hound-lucid -uuid 0e32438c-cb4d-1eb9-a560-f25c89c1dbf6 -chardev socket,id=monitor,path=/var/lib/libvirt/qemu/hound-lucid.monitor,server,nowait -monitor chardev:monitor -boot c -drive file=/opt/hound-lucid,if=virtio,index=0,boot=on -drive if=ide,media=cdrom,index=2 -net nic,macaddr=52:54:00:61:7e:c0,vlan=0,model=virtio,name=virtio.0 -net tap,fd=59,vlan=0,name=tap.0 -chardev pty,id=serial0 -serial chardev:serial0 -parallel none -usb -vnc 127.0.0.1:0 -k en-us -vga cirrus + UID PID PPID C SZ RSS PSR STIME TTY TIME CMD + root 17641 1 1 2174883 1087144 1 15:42 ? 00:00:59 /usr/bin/kvm -S -M pc-0.12 -cpu qemu32 -enable-kvm -m 8192 -smp 8 -name hound-lucid -uuid 0e32438c-cb4d-1eb9-a560-f25c89c1dbf6 -chardev socket,id=monitor,path=/var/lib/libvirt/qemu/hound-lucid.monitor,server,nowait -monitor chardev:monitor -boot c -drive file=/opt/hound-lucid,if=virtio,index=0,boot=on -drive if=ide,media=cdrom,index=2 -net nic,macaddr=52:54:00:61:7e:c0,vlan=0,model=virtio,name=virtio.0 -net tap,fd=59,vlan=0,name=tap.0 -chardev pty,id=serial0 -serial chardev:serial0 -parallel none -usb -vnc 127.0.0.1:0 -k en-us -vga cirrus MachineType: IBM IBM System x3400 M2 Server -[7836AC1]- ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.32-24-server root=UUID=7d9adc6b-cfec-42fa-b469-bc09ccd24478 ro quiet ProcEnviron: - PATH=(custom, user) - LANG=en_US.UTF-8 - SHELL=/bin/bash + PATH=(custom, user) + LANG=en_US.UTF-8 + SHELL=/bin/bash SourcePackage: qemu-kvm dmi.bios.date: 11/20/2009 dmi.bios.vendor: IBM Corp. dmi.bios.version: -[Y4E131BUS-1.02]- dmi.board.name: 49Y6715 dmi.board.vendor: IBM dmi.board.version: GA dmi.chassis.type: 23 dmi.chassis.vendor: IBM dmi.chassis.version: GA dmi.modalias: dmi:bvnIBMCorp.:bvr-[Y4E131BUS-1.02]-:bd11/20/2009:svnIBM:pnIBMSystemx3400M2Server-[7836AC1]-:pvr06:rvnIBM:rn49Y6715:rvrGA:cvnIBM:ct23:cvrGA: dmi.product.name: IBM System x3400 M2 Server -[7836AC1]- dmi.product.version: 06 dmi.sys.vendor: IBM -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to bridge-utils in Ubuntu. https://bugs.launchpad.net/bugs/616064 Title: Broken networking in kvm guests with pcnet driver To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/bridge-utils/+bug/616064/+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
