[Kernel-packages] [Bug 1815268] Re: hot add VF to net_failover - could not rename interface '8' from 'eth0' to 'ens4': Device or resource busy

2019-02-11 Thread Si-Wei Liu
Please find attached a patch (from Oracle Linux) that mitigates the race with a tunable delay of 100ms. ** Patch added: "0001-net_failover-delay-taking-over-primary-device-to-acc.patch"

[Kernel-packages] [Bug 1815268] CRDA.txt

2019-02-09 Thread Si-Wei Liu
apport information ** Attachment added: "CRDA.txt" https://bugs.launchpad.net/bugs/1815268/+attachment/5237184/+files/CRDA.txt -- 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/1815268

[Kernel-packages] [Bug 1815268] IwConfig.txt

2019-02-09 Thread Si-Wei Liu
apport information ** Attachment added: "IwConfig.txt" https://bugs.launchpad.net/bugs/1815268/+attachment/5237187/+files/IwConfig.txt -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu.

[Kernel-packages] [Bug 1815268] HookError_generic.txt

2019-02-09 Thread Si-Wei Liu
apport information ** Attachment added: "HookError_generic.txt" https://bugs.launchpad.net/bugs/1815268/+attachment/5237186/+files/HookError_generic.txt -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu.

[Kernel-packages] [Bug 1815268] Re: hot add VF to net_failover - could not rename interface '8' from 'eth0' to 'ens4': Device or resource busy

2019-02-09 Thread Si-Wei Liu
apport information ** Tags added: apport-collected xenial ** Description changed: Host has a QEMU/KVM setup with standby virtio-net [1]: # qemu-system-x86_64 -name guest=ubuntu-xenial,debug-threads=on -machine pc,accel=kvm,usb=off -cpu host -m 4096 -realtime mlock=off -smp

[Kernel-packages] [Bug 1815268] CurrentDmesg.txt

2019-02-09 Thread Si-Wei Liu
apport information ** Attachment added: "CurrentDmesg.txt" https://bugs.launchpad.net/bugs/1815268/+attachment/5237185/+files/CurrentDmesg.txt -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu.

[Kernel-packages] [Bug 1815268] WifiSyslog.txt

2019-02-09 Thread Si-Wei Liu
apport information ** Attachment added: "WifiSyslog.txt" https://bugs.launchpad.net/bugs/1815268/+attachment/5237194/+files/WifiSyslog.txt ** Changed in: linux (Ubuntu) Status: Incomplete => Confirmed -- You received this bug notification because you are a member of Kernel Packages,

[Kernel-packages] [Bug 1815268] ProcModules.txt

2019-02-09 Thread Si-Wei Liu
apport information ** Attachment added: "ProcModules.txt" https://bugs.launchpad.net/bugs/1815268/+attachment/5237191/+files/ProcModules.txt -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu.

[Kernel-packages] [Bug 1815268] ProcInterrupts.txt

2019-02-09 Thread Si-Wei Liu
apport information ** Attachment added: "ProcInterrupts.txt" https://bugs.launchpad.net/bugs/1815268/+attachment/5237190/+files/ProcInterrupts.txt -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu.

[Kernel-packages] [Bug 1815268] PulseList.txt

2019-02-09 Thread Si-Wei Liu
apport information ** Attachment added: "PulseList.txt" https://bugs.launchpad.net/bugs/1815268/+attachment/5237192/+files/PulseList.txt -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu.

[Kernel-packages] [Bug 1815268] Lspci.txt

2019-02-09 Thread Si-Wei Liu
apport information ** Attachment added: "Lspci.txt" https://bugs.launchpad.net/bugs/1815268/+attachment/5237188/+files/Lspci.txt -- 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/1815268

[Kernel-packages] [Bug 1815268] UdevDb.txt

2019-02-09 Thread Si-Wei Liu
apport information ** Attachment added: "UdevDb.txt" https://bugs.launchpad.net/bugs/1815268/+attachment/5237193/+files/UdevDb.txt -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu.

[Kernel-packages] [Bug 1815268] ProcCpuinfoMinimal.txt

2019-02-09 Thread Si-Wei Liu
apport information ** Attachment added: "ProcCpuinfoMinimal.txt" https://bugs.launchpad.net/bugs/1815268/+attachment/5237189/+files/ProcCpuinfoMinimal.txt -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu.

[Kernel-packages] [Bug 1815268] [NEW] hot add VF to net_failover - could not rename interface '8' from 'eth0' to 'ens4': Device or resource busy

2019-02-08 Thread Si-Wei Liu
Public bug reported: Host has a QEMU/KVM setup with standby virtio-net [1]: # qemu-system-x86_64 -name guest=ubuntu-xenial,debug-threads=on -machine pc,accel=kvm,usb=off -cpu host -m 4096 -realtime mlock=off -smp 4,sockets=1,cores=2,threads=2 -monitor stdio -vnc :1 -boot order=n,menu=on -serial

[Kernel-packages] [Bug 1815268] Re: hot add VF to net_failover - could not rename interface '8' from 'eth0' to 'ens4': Device or resource busy

2019-02-22 Thread Si-Wei Liu
Note the patch attached is a tentative workaround that helps mitigate the issue, but not intended to be a suggested fix. I've initiated a thread in the Linux netdev mailing list for the resolution. Please find the relevant thread starting at: