[Kernel-packages] [Bug 1494350] Re: QEMU: causes vCPU steal time overflow on live migration

2016-06-15 Thread Liang Chen
The proposed package is tested and it passed the test case described in the bug description. ** Tags removed: verification-needed-trusty ** Tags added: verification-done-trusty -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubun

[Kernel-packages] [Bug 1494350] Re: QEMU: causes vCPU steal time overflow on live migration

2016-03-30 Thread Liang Chen
The backport has been acked in upstream for 3.4, 3.10, 3.14, and 3.16 stable kernel. -- 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/1494350 Title: QEMU: causes vCPU steal time overflow o

[Kernel-packages] [Bug 1494350] Re: QEMU: causes vCPU steal time overflow on live migration

2016-03-09 Thread Liang Chen
** Description changed: + [Impact] + It is possible to have vcpu->arch.st.last_steal initialized + from a thread other than vcpu thread, say the main thread, via + KVM_SET_MSRS. That can cause steal_time overflow later (when subtracting from vcpu threads sched_info.run_delay). + + [Test Case]

[Kernel-packages] [Bug 1494350] Re: QEMU: causes vCPU steal time overflow on live migration

2016-03-09 Thread Liang Chen
** Description changed: + Testing Steps with patched trusty kernel: + + Using savemv & loadvm to simulate the migration process. + + In guest: + 1. check steal_time data location + rdmsr 0x4b564d03 <- returns the start address 0x7fc0d000 + + 2. Exam the steal time before savevm

[Kernel-packages] [Bug 1494350] Re: QEMU: causes vCPU steal time overflow on live migration

2016-03-08 Thread Liang Chen
** Also affects: linux (Ubuntu) Importance: Undecided Status: New ** Changed in: linux (Ubuntu) Assignee: (unassigned) => Liang Chen (cbjchen) ** Changed in: linux (Ubuntu) Status: New => In Progress -- You received this bug notification because you are a member of

[Kernel-packages] [Bug 1383184] Re: Atheros Qualcomm Killer N1525 Wireless-AC [168c:003e] not supported

2015-02-11 Thread Liang Chen
s/HereH/here s/brought/bought -- 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/1383184 Title: Atheros Qualcomm Killer N1525 Wireless-AC [168c:003e] not supported Status in linux package i

[Kernel-packages] [Bug 1383184] Re: Atheros Qualcomm Killer N1525 Wireless-AC [168c:003e] not supported

2015-02-11 Thread Liang Chen
HereH is how I am going to deal with this problem for my Alienware 13 laptop - I brought this - http://www.amazon.com/gp/product/B00DMCVKMU/ref=oh_aui_detailpage_o00_s00?ie=UTF8&psc=1 ;) -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linu

[Kernel-packages] [Bug 1383184] Re: Atheros Qualcomm Killer N1525 Wireless-AC [168c:003e] not supported

2015-02-04 Thread Liang Chen
I just placed an order for an Alienware 13 laptop. I should have checked the wireless support before... I am thinking of cancelling the order now. disappointed. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bug