https://bugzilla.kernel.org/show_bug.cgi?id=67061
Bug ID: 67061
Summary: [Nested]L2 guest boot up fail(kvm on kvm).
Product: Virtualization
Version: unspecified
Kernel Version: 3.13.0-rc1
Hardware: All
OS: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: kvm
Assignee: [email protected]
Reporter: [email protected]
Regression: No
Environment:
------------
Host OS (ia32/ia32e/IA64):ia32e
Guest OS (ia32/ia32e/IA64):ia32e
Guest OS Type (Linux/Windows):Linux
kvm.git Commit:2ecd1aba597726c9053ba1a112e3d8fdc5ca08ff
qemu-kvm Commit:5c5432e7d630592ddcc1876ac8a1505f8f14ef15
Host Kernel Version:3.12.0
Hardware:Romley_EP
Bug detailed description:
--------------------------
when create L2 guest, the L2 guest boot up fail.
note:
1. L1 guest is kvm on kvm.
2. This should be a kernel bug
kvm + qemu = result
f0804804 + 5c5432e7 = bad
ede58222 + 5c5432e7 = good
Reproduce steps:
----------------
1.create L1 guest:
qemu-system-x86_64 -enable-kvm -m 6G -smp 4 -net nic,macaddr=00:12:52:13:46:67
-net tap,script=/etc/kvm/qemu-ifup ia32e_nested_kvm.img -cpu host
2.create L2 guest:
qemu-system-x86_64 -enable-kvm -m 1G -smp 2 -net none ia32e_rhel6u4.img
Current result:
----------------
L2 guest boot up fail
Expected result:
----------------
after create L2 guest, L2 guest works fine
Basic root-causing log:
----------------------
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