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[Qemu-devel] [Bug 997631] Re: Windows 2008R2 very slow cold boot when 4
From: |
Launchpad Bug Tracker |
Subject: |
[Qemu-devel] [Bug 997631] Re: Windows 2008R2 very slow cold boot when 4 CPUs |
Date: |
Tue, 31 Oct 2017 04:17:33 -0000 |
[Expired for QEMU because there has been no activity for 60 days.]
** Changed in: qemu
Status: Incomplete => Expired
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https://bugs.launchpad.net/bugs/997631
Title:
Windows 2008R2 very slow cold boot when 4 CPUs
Status in QEMU:
Expired
Bug description:
Hi,
well, I'm in a similar boat as the one in #992067. But regardless any
memory-settings.
It takes "ages" in a cold-boot Windows 2008R2 with qemu-1.0.1, qemu-1.0.50
and latest-n-greatest from today ( 1.0.50 /qemu-1b3e76e ). It eats up 400%
host-cpu-load until login-prompt is shown on the console.
Meanwhile I tried couple of settings with "-cpu features (hv_spinlocks),
hv_relaxed and hv_vapic. ".
Due to some Clock-glitches I start qemu-system-x86_64 with "-no-hpet".
With 2 processors the system is up after 2 minutes, with 4 procs
almost 10 minutes... After a reset ( warmstart) the 4 proc-system is
up after a couple of 20 secs.
Hints welcome, though once started, the system seems to operate
"normally".
Thnx address@hidden,
Oliver.
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