Hi pragyansri,
If you track the progress on the merge proposal that is linked this looks good 
atm and will soon be in a PPA [2] with proposed changes for pre-evaluation with 
Bionic/Cosmic/Disco/Eoan.

>From there the next steps are:
- test the new feature from the PPA on cascade lake machines
- general regression tests
- Once we know it works (Tests on newer kernels) will need to also involve the 
kernel Team to also backport the kernel patches
- if the above look good as well it will become an SRU [1]
- The SRU processing will have it reviewed by the SRU Team, then land in 
proposed to be final verified and then be released to be available

Sorry if that seems slow to you, but the changes are complex and we
don't want to rush things - if you read the SRU [1] policy you'll see
that the steady tradeoff of stability-vs-fixes is important to be done
with the focus of avoiding regressions.

[1]: https://wiki.ubuntu.com/StableReleaseUpdates
[2]: https://help.launchpad.net/Packaging/PPA?action=show&redirect=PPA

-- 
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/1828495

Title:
  [KVM][CLX] CPUID_7_0_EDX_ARCH_CAPABILITIES is not enabled in VM.

Status in intel:
  New
Status in linux package in Ubuntu:
  Confirmed
Status in qemu package in Ubuntu:
  Confirmed
Status in linux source package in Bionic:
  New
Status in qemu source package in Bionic:
  Confirmed
Status in linux source package in Cosmic:
  New
Status in qemu source package in Cosmic:
  Confirmed
Status in linux source package in Disco:
  New
Status in qemu source package in Disco:
  Confirmed
Status in linux source package in Eoan:
  Confirmed
Status in qemu source package in Eoan:
  Confirmed

Bug description:
  This is a bug.

  Test Environment:

  Repro Steps:

  1. Boot up guest using: -cpu Cascadelake-Server

  [root@clx-2s2 yexin]# qemu-system-x86_64 -accel kvm -drive
  if=virtio,id=hd,file=/home/x/x,format=qcow2  -m 4096 -smp 4 -cpu
  Cascadelake-Server -serial stdio

  char device redirected to /dev/pts/3 (label serial0)

  qemu-system-x86_64: warning: host doesn't support requested feature:
  CPUID.07H:ECX [bit 4]

  qemu-system-x86_64: warning: host doesn't support requested feature:
  CPUID.07H:ECX [bit 4]

  qemu-system-x86_64: warning: host doesn't support requested feature:
  CPUID.07H:ECX [bit 4]

  qemu-system-x86_64: warning: host doesn't support requested feature:
  CPUID.07H:ECX [bit 4]

  2. To check CPU ID related to features[FEAT_7_0_EDX]
  :CPUID_7_0_EDX_ARCH_CAPABILITIES

  Expected Result: Both host and guest's CPUID.07H EDX bit 29 should be
  1.

  Actual Result:

  Host's cpuid: 0x00000007 0x00: eax=0x00000000 ebx=0xd39ffffb
  ecx=0x00000818 edx=0xbc000000  (EDX bit 29=1)

  Guest's cpuid : 0x00000007 0x00: eax=0x00000000 ebx=0xd19f0fb9
  ecx=0x00000818 edx=0x84000000 (EDX bit 29=0)

  Commit:2bdb76c015df7125783d8394d6339d181cb5bc30

  Target Kerned: 5.1
  Target Release: 19.10

To manage notifications about this bug go to:
https://bugs.launchpad.net/intel/+bug/1828495/+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

Reply via email to