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Bug 1498662 - RHEL-7.5 machine machine type for aarch64 (qemu-kvm-ma)
Summary: RHEL-7.5 machine machine type for aarch64 (qemu-kvm-ma)
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Red Hat Enterprise Linux 7
Classification: Red Hat
Component: qemu-kvm-ma
Version: 7.5-Alt
Hardware: aarch64
OS: Unspecified
unspecified
unspecified
Target Milestone: rc
: ---
Assignee: Wei Huang (AMD)
QA Contact: Virtualization Bugs
URL:
Whiteboard:
Depends On:
Blocks: 1481805
TreeView+ depends on / blocked
 
Reported: 2017-10-04 21:32 UTC by Wei Huang (AMD)
Modified: 2018-04-10 14:55 UTC (History)
6 users (show)

Fixed In Version: qemu-kvm-ma-2.10.0-3.el7
Doc Type: If docs needed, set a value
Doc Text:
Clone Of:
Environment:
Last Closed: 2018-04-10 14:53:40 UTC
Target Upstream Version:
Embargoed:

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System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHBA-2018:0831 0 None None None 2018-04-10 14:55:06 UTC

Description Wei Huang (AMD) 2017-10-04 21:32:24 UTC 
We need a new machine type for RHEL 7.5 release. The purpose is to have to qemu-kvm-rhev to formally support the following two machine types:

virt                 RHEL 7.5.0 ARM Virtual Machine (alias of virt-rhel7.5.0)
virt-rhel7.5.0       RHEL 7.5.0 ARM Virtual Machine (default)
virt-rhel7.4.0       RHEL 7.4.0 ARM Virtual Machine
none                 empty machine
Comment 2 Karen Noel 2017-10-04 23:30:57 UTC 
(In reply to Wei Huang from comment #0)
> We need a new machine type for RHEL 7.5 release. The purpose is to have to
> qemu-kvm-rhev to formally support the following two machine types:
> 
> virt                 RHEL 7.5.0 ARM Virtual Machine (alias of virt-rhel7.5.0)
> virt-rhel7.5.0       RHEL 7.5.0 ARM Virtual Machine (default)
> virt-rhel7.4.0       RHEL 7.4.0 ARM Virtual Machine
> none                 empty machine

Since neither 7.4 nor 7.5 machine types are supported by Red Hat (just devel preview), why keep the 7.4 machine type? It's just more to worry about and test. Thanks.
Comment 3 Wei Huang (AMD) 2017-10-05 15:16:22 UTC 
(In reply to Karen Noel from comment #2)
> (In reply to Wei Huang from comment #0)
> > We need a new machine type for RHEL 7.5 release. The purpose is to have to
> > qemu-kvm-rhev to formally support the following two machine types:
> > 
> > virt                 RHEL 7.5.0 ARM Virtual Machine (alias of virt-rhel7.5.0)
> > virt-rhel7.5.0       RHEL 7.5.0 ARM Virtual Machine (default)
> > virt-rhel7.4.0       RHEL 7.4.0 ARM Virtual Machine
> > none                 empty machine
> 
> Since neither 7.4 nor 7.5 machine types are supported by Red Hat (just devel
> preview), why keep the 7.4 machine type? It's just more to worry about and
> test. Thanks.

Hmm, this is a good question. We decided to drop the 7.3 machine type when we added 7.4. I don't have any problem to drop the 7.4 machine type in 7.5, if virt-arm team doesn't have the obligation to support 7.4-backward-compatibility (both internally and externally) in newer releases.

What was our past experience (x86 or ppc) with devel preview? Was it a rolling-based approach as well?

-Wei
Comment 4 Wei Huang (AMD) 2017-10-06 14:58:04 UTC 
FYI: both Karen and Hai agreed that we should drop 7.4 machine type in 7.5 release. I will bring this up in next virt-arm meeting and send in another patch after the team reaches the agreement.

-Wei
Comment 5 Miroslav Rezanina 2017-10-20 09:34:23 UTC 
Fix included in qemu-kvm-ma-2.10.0-3.el7
Comment 8 Wei Huang (AMD) 2017-12-18 05:43:19 UTC 
Yes, it has been fixed. In my aarch64 box, here is the output:

# /usr/libexec/qemu-kvm -M ?
Supported machines are:
virt                 RHEL 7.5.0 ARM Virtual Machine (alias of virt-rhel7.5.0)
virt-rhel7.5.0       RHEL 7.5.0 ARM Virtual Machine (default)
none                 empty machine
Comment 9 Chao Yang 2017-12-20 05:29:09 UTC 
(In reply to Wei Huang from comment #8)
> Yes, it has been fixed. In my aarch64 box, here is the output:
> 
> # /usr/libexec/qemu-kvm -M ?
> Supported machines are:
> virt                 RHEL 7.5.0 ARM Virtual Machine (alias of virt-rhel7.5.0)
> virt-rhel7.5.0       RHEL 7.5.0 ARM Virtual Machine (default)
> none                 empty machine

Thanks!
Comment 12 errata-xmlrpc 2018-04-10 14:53:40 UTC 
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHBA-2018:0831
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