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From: bugzilla-daemon@bugzilla.kernel.org
To: kvm@vger.kernel.org
Subject: [Bug 82211] New: [Nested xen on kvm] L1 guest panic and reboot when L1 guest boot up.
Date: Tue, 12 Aug 2014 07:35:45 +0000	[thread overview]
Message-ID: <bug-82211-28872@https.bugzilla.kernel.org/> (raw)

https://bugzilla.kernel.org/show_bug.cgi?id=82211

            Bug ID: 82211
           Summary: [Nested xen on kvm] L1 guest panic and reboot when L1
                    guest boot up.
           Product: Virtualization
           Version: unspecified
    Kernel Version: 3.16.0
          Hardware: All
                OS: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: kvm
          Assignee: virtualization_kvm@kernel-bugs.osdl.org
          Reporter: chao.zhou@intel.com
        Regression: No

Environment:
------------
Host OS (ia32/ia32e/IA64):ia32e
Guest OS (ia32/ia32e/IA64):ia32e
Guest OS Type (Linux/Windows):Linux
kvm.git Commit:c77dcacb397519b6ade8f08201a4a90a7f4f751e
qemu.git Commit:2d591ce2aeebf9620ff527c7946844a3122afeec
Host Kernel Version:3.16.0
Hardware:Romley_EP, Haswell_EP, Ivytown_EP


Bug detailed description:
--------------------------
L1(xen on kvm) guest panic then reboot continuously when boot up L1 guest.

note:
this is a kernel bug:
kvm.git   + qemu.git  =  result
c77dcacb  + 2d591ce2  =  bad
9f6226a7  + 2d591ce2  = good

Reproduce steps:
----------------
1. create guest
qemu-system-x86_64 -enable-kvm -m 4G -smp 2 -net nic,macaddr=00:13:13:51:51:15
-net tap,script=/etc/kvm/qemu-ifup nested-xen.qcow -cpu host

Current result:
----------------
L1 guest panic then reboot continuously

Expected result:
----------------
L1 guest boot up correctly

Basic root-causing log:

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             reply	other threads:[~2014-08-12  7:35 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-08-12  7:35 bugzilla-daemon [this message]
2014-08-12  7:36 ` [Bug 82211] [Nested xen on kvm] L1 guest panic and reboot when L1 guest boot up bugzilla-daemon
2014-08-12  7:40 ` bugzilla-daemon
2014-08-21 17:56 ` [Bug 82211] [BISECTED][Nested " bugzilla-daemon
2014-09-01 12:46 ` bugzilla-daemon
2014-09-01 13:09 ` [Bug 82211] Cannot boot Xen under KVM with X2APIC enabled bugzilla-daemon
2014-09-01 13:19 ` bugzilla-daemon
2014-09-02  4:50 ` bugzilla-daemon
2014-09-02  6:31 ` bugzilla-daemon
2014-09-03  1:50 ` bugzilla-daemon
2014-09-03  1:58 ` bugzilla-daemon
2014-09-03 11:25 ` bugzilla-daemon
2015-03-17  3:53 ` bugzilla-daemon
2015-03-17 17:01 ` bugzilla-daemon
2015-03-18 18:56 ` bugzilla-daemon
2015-03-20  5:17 ` bugzilla-daemon
2015-04-08  8:36 ` bugzilla-daemon

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