Bug 1030290 - incorrect description in qemu-kvm man page - 'SMP is supported with up to 255 CPUs.'
Summary: incorrect description in qemu-kvm man page - 'SMP is supported with up to 255...
Keywords:
Status: CLOSED NOTABUG
Alias: None
Product: Red Hat Enterprise Linux 6
Classification: Red Hat
Component: qemu-kvm
Version: 6.5
Hardware: Unspecified
OS: Unspecified
medium
medium
Target Milestone: rc
: ---
Assignee: Eduardo Habkost
QA Contact: Virtualization Bugs
URL:
Whiteboard:
Depends On:
Blocks: 1078699
TreeView+ depends on / blocked
 
Reported: 2013-11-14 09:56 UTC by Chao Yang
Modified: 2014-05-27 20:17 UTC (History)
8 users (show)

Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Clone Of:
: 1078699 (view as bug list)
Environment:
Last Closed: 2014-05-27 20:17:46 UTC
Target Upstream Version:

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Description Chao Yang 2013-11-14 09:56:49 UTC 
Description of problem:
We actually support up to 160 CPUs while starting a qemu-kvm instance. But doc says the NO. is 255. Booting guest with CPUs greater than 160 leads core dumped.

Version-Release number of selected component (if applicable):
qemu-kvm-0.12.1.2-2.415.el6_5.3.x86_64

How reproducible:


Steps to Reproduce:
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Actual results:


Expected results:


Additional info:
Comment 2 Eduardo Habkost 2014-05-27 20:17:46 UTC 
The QEMU man page is about QEMU as a whole, not about specific machine-types (which may have lower limits), or about specific accelerator limits (KVM has lower limits), or about what Red Hat supports.

QEMU itself supports up to 255 CPUs, but KVM and the rhel machine-types don't.
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