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Re: [Xen-devel] [xen-unstable] Commit 2ca9fbd739b8a72b16dd790d0fff7b75f5488fb8 AMD IOMMU: allocate IRTE entries instead of using a static mapping, makes dom0 boot process stall several times.

Friday, August 16, 2013, 1:22:28 AM, you wrote:


> Thursday, August 15, 2013, 5:15:43 PM, you wrote:

>>>>> On 15.08.13 at 16:43, Sander Eikelenboom <linux@xxxxxxxxxxxxxx> wrote:
>>> Well apart from the dom0 boot stalls, everthing is working fine after the 
>>> system is booted, including the passthrough of 4 pci(e) devices.
>>> From closer inspection it seems to be when enabling the sata controller and 
>>> the NICs during dom0 boot.
>>> The question is why it stalls, and why it seems to resume when pressing any 
>>> key on the console.

>> Once the system is up, can you check whether a sane amount of
>> interrupts is arriving for SATA controller and NIC? The stalls could
>> certainly be a result of there being interrupts missing the driver
>> expects, potentially causing it to fall back to some polling mode.

>> Jan

> Hmm does seem to be a bit more random than i initially thought ... so that 
> all seemed to be a red herring ..

> Adding Andrew to CC Since i saw a thread about him working on a hpet 
> interrupt issue ...


> All this below was done running:
> xen-unstable (git:ab7f9a7)
> kernel: 3.9.0 (was using 3.11-rc's before, but downgraded to rule that out)



<HUGE SNIP>



> So i removed cpuidle and cpufreq=xen and tried "clocksource=pit" .. and now 
> it doesn't stall anymore (both on boot and on reboot)  ...
> So it seems when using the hpet broadcast it gets stuck in an idle loop ... 
> and hitting a key on the console gets it out ...

Ok i have to revise ... *sigh* ... it gets stuck with clocksource=pit as well 
(although not always it seems)


(XEN) [2013-08-16 00:29:03] *** Dumping CPU0 guest state (d0:v0): ***
(XEN) [2013-08-16 00:29:03] ----[ Xen-4.4-unstable  x86_64  debug=y  Not 
tainted ]----
(XEN) [2013-08-16 00:29:03] CPU:    0
(XEN) [2013-08-16 00:29:03] RIP:    e033:[<00007f41c6f445b0>]
(XEN) [2013-08-16 00:29:03] RFLAGS: 0000000000000202   EM: 0   CONTEXT: pv guest
(XEN) [2013-08-16 00:29:03] rax: 0000000000a82cf0   rbx: 000000001c2448da   
rcx: 000000000096a470
(XEN) [2013-08-16 00:29:03] rdx: 0000000000968570   rsi: 000000001c2448da   
rdi: 000000001c23f000
(XEN) [2013-08-16 00:29:03] rbp: 0000000000000001   rsp: 00007fff7c9b0b78   r8: 
 000000000000005f
(XEN) [2013-08-16 00:29:03] r9:  0000000000000010   r10: 00007fff7c9ad920   
r11: 0000000000000000
(XEN) [2013-08-16 00:29:03] r12: 000000001d1bcfd7   r13: 00000000009023d0   
r14: 0000000000000001
(XEN) [2013-08-16 00:29:03] r15: 0000000000902000   cr0: 0000000080050033   
cr4: 00000000000006f0
(XEN) [2013-08-16 00:29:03] cr3: 0000000544d01000   cr2: 000000000041b2f0
(XEN) [2013-08-16 00:29:03] ds: 0000   es: 0000   fs: 0000   gs: 0000   ss: 
e02b   cs: e033
(XEN) [2013-08-16 00:29:03] Guest stack trace from rsp=00007fff7c9b0b78:
(XEN) [2013-08-16 00:29:03]    000000000041b8ec 0000000000901e90 
00007f4100000005 00007fff7c9b0ae0
(XEN) [2013-08-16 00:29:03]    0000000000003848 00000000000048da 
0000000000000000 0000000000a8ed50
(XEN) [2013-08-16 00:29:03]    0000000000000000 0000000000000000 
000000000040caa2 0000000000000000
(XEN) [2013-08-16 00:29:03]    0000000000000010 00000000009023d0 
0000000000003a38 0000000000000000
(XEN) [2013-08-16 00:29:03]    0000000007470000 00000000520d6412 
00000000000f3991 000000000000002c
(XEN) [2013-08-16 00:29:03]    00000000000ae270 0000000000000000 
00000000000d878a 0000000000a73000
(XEN) [2013-08-16 00:29:03]    0000000002e30800 0000000000001000 
0000000000000000 0000000000000000
(XEN) [2013-08-16 00:29:03]    0000000000000000 0000000000000000 
0000000000000000 0000000000000000
(XEN) [2013-08-16 00:29:03]    0000000000000000 0000000000000000 
ffffffffffffffff 00000000ffffffff
(XEN) [2013-08-16 00:29:03]    0000000000000000 0000000000000000 
0000000000000000 0000000000000000
(XEN) [2013-08-16 00:29:04]    0000000000000000 0000000000000000 
0000000000000000 0000000000000000
(XEN) [2013-08-16 00:29:04]    ffffffffffffffff ffffffffffffffff 
ffffffffffffffff 00000000ffffffff
(XEN) [2013-08-16 00:29:04]    0000000000000000 0000000000000000 
0000000000000000 0000000000000000
(XEN) [2013-08-16 00:29:04]    000000000095af68 0000000018182fe1 
0000000000000000 0000000000000002
(XEN) [2013-08-16 00:29:04]    0000000000003030 0000000000000000 
00000000000009c8 0000000000000000
(XEN) [2013-08-16 00:29:04]    0000061b0000061c 0000000000902000 
0000000000000000 00007fff7c9b0d10
(XEN) [2013-08-16 00:29:04]    000000000041ae10 0000000000638a08 
0000000000000000 0000000000000000
(XEN) [2013-08-16 00:29:04]    0000000000902000 0000000000134001 
000000000040e8f7 0000000000000000
(XEN) [2013-08-16 00:29:04]    0000000000902000 0000000000904230 
0000000000000080 000000000042c818
(XEN) [2013-08-16 00:29:04]    000000000040ac0c 00007f41c737fba0 
0000000000000009 000000000134bd5d
(XEN) [2013-08-16 00:29:04] 
(XEN) [2013-08-16 00:29:04] *** Dumping CPU1 host state: ***
(XEN) [2013-08-16 00:29:04] ----[ Xen-4.4-unstable  x86_64  debug=y  Not 
tainted ]----
(XEN) [2013-08-16 00:29:04] CPU:    1
(XEN) [2013-08-16 00:29:04] RIP:    e008:[<ffff82d0801863c4>] 
pit_broadcast_exit+0/0x5d
(XEN) [2013-08-16 00:29:04] RFLAGS: 0000000000000246   CONTEXT: hypervisor
(XEN) [2013-08-16 00:29:04] rax: 0000000000000000   rbx: ffff83055d73a6c0   
rcx: 20c49ba5e353f7cf
(XEN) [2013-08-16 00:29:04] rdx: ffff83055d6db020   rsi: 0000037a68fc64d0   
rdi: ffff83055d73a6e8
(XEN) [2013-08-16 00:29:04] rbp: ffff83055d6d7ef0   rsp: ffff83055d6d7e88   r8: 
 0000037a2ffe5b1d
(XEN) [2013-08-16 00:29:04] r9:  ffff83009fd17060   r10: 00000000deadbeef   
r11: 0000000000000246
(XEN) [2013-08-16 00:29:04] r12: ffff83055d73a730   r13: 0000037a687db225   
r14: 0000037a68fc64d0
(XEN) [2013-08-16 00:29:04] r15: ffff83055d6db080   cr0: 000000008005003b   
cr4: 00000000000006f0
(XEN) [2013-08-16 00:29:04] cr3: 0000000542d2a000   cr2: ffffffffff600400
(XEN) [2013-08-16 00:29:04] ds: 002b   es: 002b   fs: 0000   gs: 0000   ss: 
e010   cs: e008
(XEN) [2013-08-16 00:29:04] Xen stack trace from rsp=ffff83055d6d7e88:
(XEN) [2013-08-16 00:29:04]    ffff82d0801a3f02 ffff82d0802e8000 
ffff83055d6d0000 ffffffffffffffff
(XEN) [2013-08-16 00:29:04]    ffff83055d6db080 ffff83055d6d7ee0 
0000000000000000 0000000000000000
(XEN) [2013-08-16 00:29:04]    000017c900002c46 ffff83055d6d0000 
ffff83055d6d0000 00000000ffffffff
(XEN) [2013-08-16 00:29:04]    0000000000000002 ffff83055d6d7f10 
ffff82d08015ce92 ffff83009fafe000
(XEN) [2013-08-16 00:29:04]    ffff83009fd17000 ffff83055d6d7dd8 
0000000000000000 0000000000000000
(XEN) [2013-08-16 00:29:04]    0000000000000000 ffffffff81edb630 
ffff880059bd5f10 ffff880059bd5fd8
(XEN) [2013-08-16 00:29:04]    0000000000000246 0000000000000000 
0000000000000000 0000000000000001
(XEN) [2013-08-16 00:29:04]    0000000000000000 ffffffff810013aa 
ffff880059bd8000 00000000deadbeef
(XEN) [2013-08-16 00:29:04]    00000000deadbeef 0000010000000000 
ffffffff810013aa 000000000000e033
(XEN) [2013-08-16 00:29:04]    0000000000000246 ffff880059bd5ef8 
000000000000e02b 64657a696c616974
(XEN) [2013-08-16 00:29:04]    312020205b0a0d0d 3332373831342e35 
6f7465756c42205d 4943482000000001
(XEN) [2013-08-16 00:29:04]    ffff83009fafe000 00000034dd3c9e00 
7270202935482820
(XEN) [2013-08-16 00:29:04] Xen call trace:
(XEN) [2013-08-16 00:29:04]    [<ffff82d0801863c4>] pit_broadcast_exit+0/0x5d
(XEN) [2013-08-16 00:29:04]    [<ffff82d08015ce92>] idle_loop+0x5b/0x6b
(XEN) [2013-08-16 00:29:04]    
(XEN) [2013-08-16 00:29:04] *** Dumping CPU2 host state: ***
(XEN) [2013-08-16 00:29:04] ----[ Xen-4.4-unstable  x86_64  debug=y  Not 
tainted ]----
(XEN) [2013-08-16 00:29:04] CPU:    2
(XEN) [2013-08-16 00:29:05] RIP:    e008:[<ffff82d0801863c4>] 
pit_broadcast_exit+0/0x5d
(XEN) [2013-08-16 00:29:05] RFLAGS: 0000000000000246   CONTEXT: hypervisor
(XEN) [2013-08-16 00:29:05] rax: 0000000000000000   rbx: ffff83055d73ab60   
rcx: 20c49ba5e353f7cf
(XEN) [2013-08-16 00:29:05] rdx: ffff83055d66c020   rsi: 0000037a914aa033   
rdi: ffff83055d73ab88
(XEN) [2013-08-16 00:29:05] rbp: ffff83055d667ef0   rsp: ffff83055d667e88   r8: 
 0000037a2ffe5b1d
(XEN) [2013-08-16 00:29:05] r9:  ffff83009fd16060   r10: 00000000deadbeef   
r11: 0000000000000246
(XEN) [2013-08-16 00:29:05] r12: ffff83055d73abd0   r13: 0000037a90e6eee1   
r14: 0000037a914aa033
(XEN) [2013-08-16 00:29:05] r15: ffff83055d66c080   cr0: 000000008005003b   
cr4: 00000000000006f0
(XEN) [2013-08-16 00:29:05] cr3: 000000054391f000   cr2: ffff880057020680
(XEN) [2013-08-16 00:29:05] ds: 002b   es: 002b   fs: 0000   gs: 0000   ss: 
e010   cs: e008
(XEN) [2013-08-16 00:29:05] Xen stack trace from rsp=ffff83055d667e88:
(XEN) [2013-08-16 00:29:05]    ffff82d0801a3f02 ffff82d0802e8000 
ffff83055d660000 ffffffffffffffff
(XEN) [2013-08-16 00:29:05]    ffff83055d66c080 ffff83055d667ee0 
0000000000000000 0000000000000000
(XEN) [2013-08-16 00:29:05]    00001bee00001acc ffff83055d660000 
ffff83055d660000 00000000ffffffff
(XEN) [2013-08-16 00:29:05]    0000000000000002 ffff83055d667f10 
ffff82d08015ce92 ffff83009fafd000
(XEN) [2013-08-16 00:29:05]    ffff83009fd16000 ffff83055d667dd8 
0000000000000000 0000000000000000
(XEN) [2013-08-16 00:29:05]    0000000000000000 ffffffff81edb630 
ffff880059bd7f10 ffff880059bd7fd8
(XEN) [2013-08-16 00:29:05]    0000000000000246 0000000000000000 
0000000000000000 0000000000000001
(XEN) [2013-08-16 00:29:05]    0000000000000000 ffffffff810013aa 
ffff880059bd9070 00000000deadbeef
(XEN) [2013-08-16 00:29:05]    00000000deadbeef 0000010000000000 
ffffffff810013aa 000000000000e033
(XEN) [2013-08-16 00:29:05]    0000000000000246 ffff880059bd7ef8 
000000000000e02b 0000000000000000
(XEN) [2013-08-16 00:29:05]    0000000000000000 0000000000000000 
0000000000000000 0000000000000002
(XEN) [2013-08-16 00:29:05]    ffff83009fafd000 00000034dd35ae00 
0000000000000000
(XEN) [2013-08-16 00:29:05] Xen call trace:
(XEN) [2013-08-16 00:29:05]    [<ffff82d0801863c4>] pit_broadcast_exit+0/0x5d
(XEN) [2013-08-16 00:29:05]    [<ffff82d08015ce92>] idle_loop+0x5b/0x6b
(XEN) [2013-08-16 00:29:05]    
(XEN) [2013-08-16 00:29:05] *** Dumping CPU3 host state: ***
(XEN) [2013-08-16 00:29:05] ----[ Xen-4.4-unstable  x86_64  debug=y  Not 
tainted ]----
(XEN) [2013-08-16 00:29:05] CPU:    3
(XEN) [2013-08-16 00:29:05] RIP:    e008:[<ffff82d0801863c4>] 
pit_broadcast_exit+0/0x5d
(XEN) [2013-08-16 00:29:05] RFLAGS: 0000000000000246   CONTEXT: hypervisor
(XEN) [2013-08-16 00:29:05] rax: 0000000000000000   rbx: ffff83055d658010   
rcx: 20c49ba5e353f7cf
(XEN) [2013-08-16 00:29:05] rdx: ffff83055d65e020   rsi: 0000037ab99907fb   
rdi: ffff83055d658038
(XEN) [2013-08-16 00:29:05] rbp: ffff83055d657ef0   rsp: ffff83055d657e88   r8: 
 0000037a2ffe5b1d
(XEN) [2013-08-16 00:29:05] r9:  ffff83009fd15060   r10: 00000000deadbeef   
r11: 0000000000000246
(XEN) [2013-08-16 00:29:05] r12: ffff83055d658080   r13: 0000037ab96eedc2   
r14: 0000037ab99907fb
(XEN) [2013-08-16 00:29:05] r15: ffff83055d65e080   cr0: 000000008005003b   
cr4: 00000000000006f0
(XEN) [2013-08-16 00:29:05] cr3: 000000054561b000   cr2: ffff88004bdb22a8
(XEN) [2013-08-16 00:29:05] ds: 002b   es: 002b   fs: 0000   gs: 0000   ss: 
e010   cs: e008
(XEN) [2013-08-16 00:29:05] Xen stack trace from rsp=ffff83055d657e88:
(XEN) [2013-08-16 00:29:05]    ffff82d0801a3f02 ffff82d0802e8000 
ffff83055d650000 ffffffffffffffff
(XEN) [2013-08-16 00:29:05]    ffff83055d65e080 ffff83055d657ee0 
0000000000000000 0000000000000000
(XEN) [2013-08-16 00:29:05]    00001fa800002642 ffff83055d650000 
ffff83055d650000 00000000ffffffff
(XEN) [2013-08-16 00:29:06]    0000000000000002 ffff83055d657f10 
ffff82d08015ce92 ffff83009fafc000
(XEN) [2013-08-16 00:29:06]    ffff83009fd15000 ffff83055d657dd8 
0000000000000000 0000000000000000
(XEN) [2013-08-16 00:29:06]    0000000000000000 ffffffff81edb630 
ffff880059be9f10 ffff880059be9fd8
(XEN) [2013-08-16 00:29:06]    0000000000000246 0000000000000000 
0000000000000000 0000000000000001
(XEN) [2013-08-16 00:29:06]    0000000000000000 ffffffff810013aa 
ffff880059bda0e0 00000000deadbeef
(XEN) [2013-08-16 00:29:06]    00000000deadbeef 0000010000000000 
ffffffff810013aa 000000000000e033
(XEN) [2013-08-16 00:29:06]    0000000000000246 ffff880059be9ef8 
000000000000e02b 0000000000000000
(XEN) [2013-08-16 00:29:06]    0000000000000000 0000000000000000 
0000000000000000 0000000000000003
(XEN) [2013-08-16 00:29:06]    ffff83009fafc000 00000034dd34ce00 
0000000000000000
(XEN) [2013-08-16 00:29:06] Xen call trace:
(XEN) [2013-08-16 00:29:06]    [<ffff82d0801863c4>] pit_broadcast_exit+0/0x5d
(XEN) [2013-08-16 00:29:06]    [<ffff82d08015ce92>] idle_loop+0x5b/0x6b
(XEN) [2013-08-16 00:29:06]    
(XEN) [2013-08-16 00:29:06] *** Dumping CPU4 host state: ***
(XEN) [2013-08-16 00:29:06] ----[ Xen-4.4-unstable  x86_64  debug=y  Not 
tainted ]----
(XEN) [2013-08-16 00:29:06] CPU:    4
(XEN) [2013-08-16 00:29:06] RIP:    e008:[<ffff82d0801863c4>] 
pit_broadcast_exit+0/0x5d
(XEN) [2013-08-16 00:29:06] RFLAGS: 0000000000000246   CONTEXT: hypervisor
(XEN) [2013-08-16 00:29:06] rax: 0000000000000000   rbx: ffff83055d6584b0   
rcx: 20c49ba5e353f7cf
(XEN) [2013-08-16 00:29:06] rdx: ffff83055d64f020   rsi: 0000037ae1e76b34   
rdi: ffff83055d6584d8
(XEN) [2013-08-16 00:29:06] rbp: ffff83055d647ef0   rsp: ffff83055d647e88   r8: 
 0000037a2ffe5b1d
(XEN) [2013-08-16 00:29:06] r9:  ffff83009fd14060   r10: 00000000deadbeef   
r11: 0000000000000246
(XEN) [2013-08-16 00:29:06] r12: ffff83055d658520   r13: 0000037ae1cd132b   
r14: 0000037ae1e76b34
(XEN) [2013-08-16 00:29:06] r15: ffff83055d64f080   cr0: 000000008005003b   
cr4: 00000000000006f0
(XEN) [2013-08-16 00:29:06] cr3: 0000000549e0c000   cr2: 00007f325c7b0f30
(XEN) [2013-08-16 00:29:06] ds: 002b   es: 002b   fs: 0000   gs: 0000   ss: 
e010   cs: e008
(XEN) [2013-08-16 00:29:06] Xen stack trace from rsp=ffff83055d647e88:
(XEN) [2013-08-16 00:29:06]    ffff82d0801a3f02 ffff82d080225a00 
0000037ae263aaa7 ffff82d0802e8200
(XEN) [2013-08-16 00:29:06]    ffff82d0802e8000 ffff83055d640000 
0000000000000000 0000000000000000
(XEN) [2013-08-16 00:29:06]    0000034b000002da ffff83055d640000 
ffff83055d640000 00000000ffffffff
(XEN) [2013-08-16 00:29:06]    0000000000000002 ffff83055d647f10 
ffff82d08015ce92 ffff83009ff8b000
(XEN) [2013-08-16 00:29:06]    ffff83009fd14000 ffff83055d647dd8 
0000000000000000 0000000000000000
(XEN) [2013-08-16 00:29:06]    0000000000000000 ffffffff81edb630 
ffff880059bebf10 ffff880059bebfd8
(XEN) [2013-08-16 00:29:06]    0000000000000246 0000000000000000 
0000000000000000 0000000000000001
(XEN) [2013-08-16 00:29:06]    0000000000000000 ffffffff810013aa 
ffff880059bdb150 00000000deadbeef
(XEN) [2013-08-16 00:29:06]    00000000deadbeef 0000010000000000 
ffffffff810013aa 000000000000e033
(XEN) [2013-08-16 00:29:06]    0000000000000246 ffff880059bebef8 
000000000000e02b 8010000537152067
(XEN) [2013-08-16 00:29:06]    8010000537151067 8010000537150067 
801000053714f067 8010000500000004
(XEN) [2013-08-16 00:29:06]    ffff83009ff8b000 00000034dd33de00 
801000053714b067
(XEN) [2013-08-16 00:29:06] Xen call trace:
(XEN) [2013-08-16 00:29:06]    [<ffff82d0801863c4>] pit_broadcast_exit+0/0x5d
(XEN) [2013-08-16 00:29:06]    [<ffff82d08015ce92>] idle_loop+0x5b/0x6b
(XEN) [2013-08-16 00:29:06]    
(XEN) [2013-08-16 00:29:06] *** Dumping CPU5 host state: ***
(XEN) [2013-08-16 00:29:07] ----[ Xen-4.4-unstable  x86_64  debug=y  Not 
tainted ]----
(XEN) [2013-08-16 00:29:07] CPU:    5
(XEN) [2013-08-16 00:29:07] RIP:    e008:[<ffff82d0801863c4>] 
pit_broadcast_exit+0/0x5d
(XEN) [2013-08-16 00:29:07] RFLAGS: 0000000000000246   CONTEXT: hypervisor
(XEN) [2013-08-16 00:29:07] rax: 0000000000000000   rbx: ffff83055d658950   
rcx: 20c49ba5e353f7cf
(XEN) [2013-08-16 00:29:07] rdx: ffff83055d649020   rsi: 0000037b0a35bd37   
rdi: ffff83055d658978
(XEN) [2013-08-16 00:29:07] rbp: ffff83055d63fef0   rsp: ffff83055d63fe88   r8: 
 0000037a2ffe5b1d
(XEN) [2013-08-16 00:29:07] r9:  ffff83009fafb060   r10: 00000000deadbeef   
r11: 0000000000000246
(XEN) [2013-08-16 00:29:07] r12: ffff83055d6589c0   r13: 0000037b0a245bd4   
r14: 0000037b0a35bd37
(XEN) [2013-08-16 00:29:07] r15: ffff83055d649080   cr0: 000000008005003b   
cr4: 00000000000006f0
(XEN) [2013-08-16 00:29:07] cr3: 000000054590c000   cr2: ffff8800585e34f8
(XEN) [2013-08-16 00:29:07] ds: 002b   es: 002b   fs: 0000   gs: 0000   ss: 
e010   cs: e008
(XEN) [2013-08-16 00:29:07] Xen stack trace from rsp=ffff83055d63fe88:
(XEN) [2013-08-16 00:29:07]    ffff82d0801a3f02 ffff82d080225a00 
0000037b0ab91149 ffff82d0802e8280
(XEN) [2013-08-16 00:29:07]    ffff82d0802e8000 ffff83055d638000 
0000000000000000 0000000000000000
(XEN) [2013-08-16 00:29:07]    00000fc20000129b ffff83055d638000 
ffff83055d638000 00000000ffffffff
(XEN) [2013-08-16 00:29:07]    0000000000000002 ffff83055d63ff10 
ffff82d08015ce92 ffff83009ff8a000
(XEN) [2013-08-16 00:29:07]    ffff83009fafb000 ffff83055d63fdd8 
0000000000000000 0000000000000000
(XEN) [2013-08-16 00:29:07]    0000000000000000 ffffffff81edb630 
ffff880059bedf10 ffff880059bedfd8
(XEN) [2013-08-16 00:29:07]    0000000000000246 0000000000000000 
0000000000000000 0000000000000001
(XEN) [2013-08-16 00:29:07]    0000000000000000 ffffffff810013aa 
ffff880059bdc1c0 00000000deadbeef
(XEN) [2013-08-16 00:29:07]    00000000deadbeef 0000010000000000 
ffffffff810013aa 000000000000e033
(XEN) [2013-08-16 00:29:07]    0000000000000246 ffff880059bedef8 
000000000000e02b 0000000000000000
(XEN) [2013-08-16 00:29:07]    0000000000000000 0000000000000000 
0000000000000000 0000000000000005
(XEN) [2013-08-16 00:29:07]    ffff83009ff8a000 00000034dd337e00 
0000000000000000
(XEN) [2013-08-16 00:29:07] Xen call trace:
(XEN) [2013-08-16 00:29:07]    [<ffff82d0801863c4>] pit_broadcast_exit+0/0x5d
(XEN) [2013-08-16 00:29:07]    [<ffff82d08015ce92>] idle_loop+0x5b/0x6b
(XEN) [2013-08-16 00:29:07]




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