The commit indicated by your bisect was introduced into mainline as of 4.6-rc3 as: ff1e22e xen/events: Mask a moving irq
It made its way into the 3.19 and 4.4 stable kernels because it was cc'd to stable. However, it looks like the regression was already fixed in 4.4.14 per your testing results in comment 18. This bug should be fixed in the Ubuntu stable kernels shortly, via the normal stable update process. I'll take a look at the git logs for 4.4.14 and see if the commit that fixes this bug is obvious. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1593621 Title: Kernel panic after migration between XenServer 6.5 hosts Status in linux package in Ubuntu: Triaged Status in linux source package in Trusty: Triaged Bug description: Problem: after live migration from one XenServer 6.5 server to another XenServer 6.5 the Ubuntu VM crashes (see attached screenshot). Affected verions (at least): 1. Ubuntu 14.04 (3.19.0-61-generic) 2. Ubuntu 16.04 (4.4.0-24-generic) Not affected versions: 1.Ubuntu 14.04 (3.19.0-49-generic) The issue is not dependent on installed XenServer updates. --- AlsaDevices: total 0 crw-rw---- 1 root audio 116, 1 Jun 16 11:23 seq crw-rw---- 1 root audio 116, 33 Jun 16 11:23 timer AplayDevices: Error: [Errno 2] No such file or directory ApportVersion: 2.14.1-0ubuntu3.21 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 CurrentDmesg: [ 69.046113] nf_conntrack version 0.5.0 (7868 buckets, 31472 max) DistroRelease: Ubuntu 14.04 HibernationDevice: RESUME=UUID=250f9548-2a14-41c1-bc6e-63199d6e9236 InstallationDate: Installed on 2016-02-02 (136 days ago) InstallationMedia: Ubuntu-Server 14.04.3 LTS "Trusty Tahr" - Beta amd64 (20150805) IwConfig: lo no wireless extensions. eth1 no wireless extensions. eth0 no wireless extensions. Lsusb: Bus 001 Device 002: ID 0627:0001 Adomax Technology Co., Ltd Bus 001 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub MachineType: Xen HVM domU Package: linux (not installed) PciMultimedia: ProcFB: 0 EFI VGA ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.19.0-61-generic root=UUID=5a4cba3d-3be6-4a07-9c55-d5ea7b52585e ro ipv6.disable=1 net.ifnames=0 biosdevname=0 ProcVersionSignature: Ubuntu 3.19.0-61.69~14.04.1-generic 3.19.8-ckt21 RelatedPackageVersions: linux-restricted-modules-3.19.0-61-generic N/A linux-backports-modules-3.19.0-61-generic N/A linux-firmware 1.127.22 RfKill: Error: [Errno 2] No such file or directory Tags: trusty Uname: Linux 3.19.0-61-generic x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: WifiSyslog: _MarkForUpload: True dmi.bios.date: 05/11/2016 dmi.bios.vendor: Xen dmi.bios.version: 4.4.1-xs125381 dmi.chassis.type: 1 dmi.chassis.vendor: Xen dmi.modalias: dmi:bvnXen:bvr4.4.1-xs125381:bd05/11/2016:svnXen:pnHVMdomU:pvr4.4.1-xs125381:cvnXen:ct1:cvr: dmi.product.name: HVM domU dmi.product.version: 4.4.1-xs125381 dmi.sys.vendor: Xen To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1593621/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
