From mboxrd@z Thu Jan  1 00:00:00 1970
From: bugzilla-daemon@bugzilla.kernel.org
Subject: [Bug 40752] BUG: unable to handle kernel paging request at bffffc20
Date: Mon, 15 Aug 2011 08:08:53 GMT
Message-ID: <201108150808.p7F88r9Q010310@demeter1.kernel.org>
References: <bug-40752-28872@https.bugzilla.kernel.org/>
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https://bugzilla.kernel.org/show_bug.cgi?id=40752





--- Comment #5 from Anonymous Emailer <anonymous@kernel-bugs.osdl.org>  2011-08-15 08:08:52 ---
Reply-To: xiaoguangrong@cn.fujitsu.com

On 08/09/2011 11:11 PM, bugzilla-daemon@bugzilla.kernel.org wrote:

> _wait_scan]
> Aug  9 01:58:35 gridbug kernel: [294131.197712] 
> Aug  9 01:58:35 gridbug kernel: [294131.197715] Pid: 24025, comm: kvm Tainted:
> P        W  O 3.0.0-1-686-pae #1 Hewlett-Packard HP xw4400 Workstatio
> n/0A68h
> Aug  9 01:58:35 gridbug kernel: [294131.197719] EIP: 0060:[<f9d82788>] EFLAGS:
> 00010246 CPU: 1
> Aug  9 01:58:35 gridbug kernel: [294131.197727] EIP is at
> shadow_walk_okay+0x13/0x4c [kvm]
> Aug  9 01:58:35 gridbug kernel: [294131.197729] EAX: f2265de4 EBX: bffffc20
> ECX: 00000001 EDX: 00000000
> Aug  9 01:58:35 gridbug kernel: [294131.197731] ESI: 00000000 EDI: 00000000
> EBP: 00000006 ESP: f2265d10
> Aug  9 01:58:35 gridbug kernel: [294131.197733]  DS: 007b ES: 007b FS: 00d8 GS:
> 00e0 SS: 0068
> Aug  9 01:58:35 gridbug kernel: [294131.197738]  0010a867 00000000 f9d894c0
> 00000006 eadc00a8 ead940e0 02b84798 00000007
> Aug  9 01:58:35 gridbug kernel: [294131.197744]  0000000f 00000002 00000000
> 00000001 ead95601 00000001 00000004 00000000
> Aug  9 01:58:35 gridbug kernel: [294131.197749]  00000001 0000bdbe 00000000
> 0000a1b8 00000000 1aa96867 80000000 0bdbe867
> Aug  9 01:58:35 gridbug kernel: [294131.197763]  [<f9d894c0>] ?
> paging64_page_fault+0x435/0x68b [kvm]
> Aug  9 01:58:35 gridbug kernel: [294131.197768]  [<f9da9303>] ?
> vmx_get_rflags+0x20/0x4a [kvm_intel]
> Aug  9 01:58:35 gridbug kernel: [294131.197777]  [<f9d84c46>] ?
> kvm_mmu_page_fault+0xf/0x5e [kvm]
> Aug  9 01:58:35 gridbug kernel: [294131.197781]  [<f9daadfe>] ?
> handle_exception+0x146/0x2bb [kvm_intel]
> Aug  9 01:58:35 gridbug kernel: [294131.197785]  [<f9dab196>] ?
> vmx_handle_exit+0x1cb/0x1eb [kvm_intel]
> Aug  9 01:58:35 gridbug kernel: [294131.197793]  [<f9d81e59>] ?
> kvm_arch_vcpu_ioctl_run+0x9fe/0xc37 [kvm]
> Aug  9 01:58:35 gridbug kernel: [294131.197797]  [<f9da90f7>] ?
> vmcs_read64+0x17/0x20 [kvm_intel]
> Aug  9 01:58:35 gridbug kernel: [294131.197802]  [<c1029d0c>] ?
> should_resched+0x5/0x1f
> 

Hi Philippe,

The log looks little strange, could you test it using upstream code and 
show us your .config file, the steps to trigger please?

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