[Bug 861656] Re: Kernel oops when nbd device is removed before it is unmounted
Quantal EOL was May 16 2014 ** Changed in: nova (Ubuntu Quantal) Status: Incomplete = Invalid ** Changed in: linux (Ubuntu) Status: Incomplete = Invalid -- 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/861656 Title: Kernel oops when nbd device is removed before it is unmounted To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/861656/+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 861656] Re: Kernel oops when nbd device is removed before it is unmounted
is it still an issue ? (comment #49) https://wiki.ubuntu.com/Releases ** Tags removed: oneiric ** Tags added: quantal ** Changed in: linux (Ubuntu Oneiric) Status: Confirmed = Invalid ** Changed in: nova (Ubuntu Oneiric) Status: Confirmed = Invalid ** Changed in: nova (Ubuntu Quantal) Status: Confirmed = Incomplete ** Changed in: linux (Ubuntu Quantal) Status: Confirmed = Incomplete ** Changed in: linux (Ubuntu) Status: Confirmed = Incomplete -- 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/861656 Title: Kernel oops when nbd device is removed before it is unmounted To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/861656/+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 861656] Re: Kernel oops when nbd device is removed before it is unmounted
** Changed in: nova (Ubuntu) Status: Confirmed = Fix Released -- 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/861656 Title: Kernel oops when nbd device is removed before it is unmounted To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/861656/+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 861656] Re: Kernel oops when nbd device is removed before it is unmounted
** Changed in: linux (Ubuntu) Status: Invalid = Confirmed ** Changed in: linux (Ubuntu Oneiric) Status: Invalid = Confirmed ** Also affects: linux (Ubuntu Quantal) Importance: Undecided Status: Confirmed ** Also affects: qemu-kvm (Ubuntu Quantal) Importance: Undecided Status: Invalid ** Also affects: nova (Ubuntu Quantal) Importance: High Assignee: Chuck Short (zulcss) Status: Confirmed -- 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/861656 Title: Kernel oops when nbd device is removed before it is unmounted To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/861656/+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 861656] Re: Kernel oops when nbd device is removed before it is unmounted
@Serge, Please can you propose your nova patch against upstream trunk? Would really like to get it merged, or even reviewed for trunk and then cherry pick it back. Thanks. -- 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/861656 Title: Kernel oops when nbd device is removed before it is unmounted To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/861656/+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
Re: [Bug 861656] Re: Kernel oops when nbd device is removed before it is unmounted
Quoting Dave Walker (davewal...@ubuntu.com): @Serge, Please can you propose your nova patch against upstream trunk? Would really like to get it merged, or even reviewed for trunk and then cherry pick it back. https://lists.launchpad.net/openstack/msg04463.html -- 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/861656 Title: Kernel oops when nbd device is removed before it is unmounted To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/861656/+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 861656] Re: Kernel oops when nbd device is removed before it is unmounted
** Changed in: linux (Ubuntu) Status: Confirmed = Invalid ** Changed in: qemu-kvm (Ubuntu) Status: Confirmed = Invalid -- 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/861656 Title: Kernel oops when nbd device is removed before it is unmounted To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/861656/+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 861656] Re: Kernel oops when nbd device is removed before it is unmounted
@Chuck, ** Changed in: nova (Ubuntu) Assignee: (unassigned) = Chuck Short (zulcss) ** Changed in: nova (Ubuntu) Importance: Undecided = High ** Patch added: debdiff solving the issue https://bugs.launchpad.net/ubuntu/+source/linux/+bug/861656/+attachment/2504443/+files/nova-nbd.debdiff -- 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/861656 Title: Kernel oops when nbd device is removed before it is unmounted To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/861656/+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 861656] Re: Kernel oops when nbd device is removed before it is unmounted
@Chuck, assigned this bug to you in the hopes that you can push the debdiff or merge it with any changes you were going to push. I haven't gotten a single ext4 issue with this patch applied. -- 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/861656 Title: Kernel oops when nbd device is removed before it is unmounted To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/861656/+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 861656] Re: Kernel oops when nbd device is removed before it is unmounted
The attachment debdiff solving the issue of this bug report has been identified as being a patch in the form of a debdiff. The ubuntu- sponsors team has been subscribed to the bug report so that they can review and hopefully sponsor the debdiff. In the event that this is in fact not a patch you can resolve this situation by removing the tag 'patch' from the bug report and editing the attachment so that it is not flagged as a patch. Additionally, if you are member of the ubuntu- sponsors please also unsubscribe the team from this bug report. [This is an automated message performed by a Launchpad user owned by Brian Murray. Please contact him regarding any issues with the action taken in this bug report.] ** Tags added: patch -- 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/861656 Title: Kernel oops when nbd device is removed before it is unmounted To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/861656/+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 861656] Re: Kernel oops when nbd device is removed before it is unmounted
The kernel should (imo) return -EBUSY when when asked to disconnect a mounted nbd device. It'd be trivial to do. But consensus is that it'd be refused because it should behave like all other disks. Kvm's qemu-nbd.c *could* detect the condition as well. But the check there would be racy. So we will propose a patch to have nova refuse the disconnect if the device is busy. ** Also affects: nova (Ubuntu) Importance: Undecided Status: New ** Changed in: nova (Ubuntu) Status: New = Confirmed ** Changed in: qemu-kvm (Ubuntu) Status: New = Confirmed -- 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/861656 Title: Kernel oops when nbd device is removed before it is unmounted To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/861656/+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
