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Description of problem:
qemu-kvm does not quit when booting guest w/ 161 vcpus and "-no-kvm"
Version-Release number of selected component (if applicable):
qemu-kvm-1.5.3-53.el7.x86_64
kernel-3.10.0-107.el7.x86_64
How reproducible:
100%
Steps to Reproduce:
1. boot a guest with "-smp 161" and "-no-kvm"
#/usr/libexec/qemu-kvm -no-kvm -smp 161 -m 2G -monitor stdio -drive file=/home/rhel7.0-64-cp2.raw,if=none,format=raw,werror=stop,rerror=stop,id=drive-ide -device ide-drive,drive=drive-ide,id=test1 -boot c -net none -vnc :10
Actual results:
qemu-kvm doesn't quit, guest hang during boot process with "Failed to acess perfctr msr (MSR c0010004 is 0)"
Expected results:
qemu-kvm should quit.
Additional info:
Reproduced this bug with qemu-kvm-rhev-1.5.3-60.el7ev.x86_64 and "-M pc-q35-rhel7.0.0" or "-M pc-i440fx-rhel7.0.0"
result:
same as comment 0
verify bug with qemu-kvm-1.5.3-66.el7.x86_64.
result:
1.Number of SMP cpus requested (161), exceeds max cpus supported by machine `pc-q35-rhel7.0.0' (160)
2.Number of SMP cpus requested (161), exceeds max cpus supported by machine `pc-i440fx-rhel7.0.0' (160)
As qemu-kvm-rhev version didn't fix this bug. so QE filed a new bug 1126666.
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://rhn.redhat.com/errata/RHSA-2015-0349.html