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New: kvm intel nested virtualization get PANIC: double fault, error_code: 0x0

Bug 76141 [email protected] 1 participant 2 messages May 14, 2014 KVM

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https://bugzilla.kernel.org/show_bug.cgi?id=76141

            Bug ID: 76141
           Summary: kvm intel nested virtualization get PANIC: double
                    fault, error_code: 0x0
           Product: Virtualization
           Version: unspecified
    Kernel Version: 3.12.18
          Hardware: x86-64
                OS: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: kvm
          Assignee: [email protected]
          Reporter: [email protected]
        Regression: No

I'm try to run kvm virtual machines inside other kvm virtual machine, but after kernel loading i get panic:

[   94.032348] PANIC: double fault, error_code: 0x0
[   94.032348] CPU: 1 PID: 815 Comm: sleep Not tainted 3.12.18 #1
[   94.032348] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   94.032348] task: ffff880058c746e0 ti: ffff880058e10000 task.ti:

ffff880058e10000

[   94.032348] RIP: 0033:[<00007f8ac91560cf>]  [<00007f8ac91560cf>]
0x7f8ac91560cf
[   94.032348] RSP: 002b:00007fff879fdf60  EFLAGS: 00010206
[   94.032348] RAX: 0000000000000f84 RBX: 00007f8ac8aa0000 RCX:
0000000000000002
[   94.032348] RDX: 00007f8ac9366248 RSI: 00007f8ac8aa0000 RDI:
00007f8ac8aa3d00
[   94.032348] RBP: 00007fff879fe090 R08: 00007f8ac9367b28 R09:
0000000000000000
[   94.032348] R10: 00007fff879fddb0 R11: 00007f8ac8e41da0 R12:
00007f8ac8abeb98
[   94.032348] R13: 00007f8ac9367b28 R14: 0000000000000006 R15:
00007f8ac8aab920
[   94.032348] FS:  00007f8ac9365700(0000) GS:ffff88005db00000(0000)
knlGS:0000000000000000
[   94.032348] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   94.032348] CR2: 0000000000000000 CR3: 0000000058c81000 CR4:
00000000000006e0
[   94.032348]
[   94.032348] Kernel panic - not syncing: Machine halted.

On host system that run first virtual machine i have 3.11.0 kernel (ubuntu saucy).

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author
#1 lore raw

[Bug 76141] kvm intel nested virtualization get PANIC: double fault, error_code: 0x0

https://bugzilla.kernel.org/show_bug.cgi?id=76141

Paolo Bonzini <[email protected]> changed:

What |Removed |Added
----------------------------------------------------------------------------
CC| |[email protected]

--- Comment #1 from Paolo Bonzini <[email protected]> --- Can you try with a newer kernel in the host?

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