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* 2.6.32 guest with paravirt clock enabled hangs on 2.6.37.6 host (w qemu-kvm-0.13.0)
@ 2011-05-08 18:33 Nikola Ciprich
  2011-05-08 18:41 ` Nikola Ciprich
  2011-05-08 18:53 ` Michael Tokarev
  0 siblings, 2 replies; 9+ messages in thread
From: Nikola Ciprich @ 2011-05-08 18:33 UTC (permalink / raw)
  To: kvm; +Cc: nikola.ciprich

[-- Attachment #1: Type: text/plain, Size: 5319 bytes --]

Hello everyboy,
while installing new virt machine today, I noticed that 2.6.32 x86_64 SMP guests are hanging if they have paravirt-clock enabled...
Either they don't finish booting at all, or boot but hang soon after..
Such a hanged guest fully loads all host cpus..
The host is 6core x86_64 runnig 2.6.37.6 with 24GB RAM.

kvm_stat:

 kvm_exit(EXTERNAL_INTERRUPT)                 15682    1643
 kvm_exit                                     15514    1643
 kvm_entry                                    15416    1643
 kvm_set_irq                                      1	  0
 kvm_msi_set_irq                                  1	  0
 kvm_apic_accept_irq                              1	  0
 kvm_exit(VMCLEAR)                                6       0
 kvm_exit(VMON)                                   6       0
 kvm_exit(PAUSE_INSTRUCTION)                      5       0
 kvm_exit(MCE_DURING_VMENTRY)                     5       0
 kvm_exit(MWAIT_INSTRUCTION)                      5       0
 kvm_exit(DR_ACCESS)                              5       0
 kvm_exit(EPT_VIOLATION)                          5       0
 kvm_exit(NMI_WINDOW)                             5       0
 kvm_exit(VMPTRLD)                                5       0
 kvm_exit(TASK_SWITCH)                            5       0
 kvm_exit(VMREAD)                                 5       0
 kvm_exit(VMLAUNCH)                               5       0
 kvm_exit(RDPMC)                                  5       0

perf top:
               16.00 10.9% add_preempt_count        [kernel.kallsyms]                                        
               16.00 10.9% do_raw_spin_lock         [kernel.kallsyms]                                        
               15.00 10.2% sub_preempt_count        [kernel.kallsyms]                                        
                8.00  5.4% irq_exit                 [kernel.kallsyms]                                        
                7.00  4.8% vmx_vcpu_run             /lib/modules/2.6.37lb.09/kernel/arch/x86/kvm/kvm-intel.ko
                7.00  4.8% page_fault               [kernel.kallsyms]                                        
                5.00  3.4% mempool_free             [kernel.kallsyms]                                        

info registers:
RAX=0000000000f42400 RBX=ffffffff81533f00 RCX=0000000000000016 RDX=00077358f5000000
RSI=000000001dcd6500 RDI=0000000000000001 RBP=ffff880009a03ee8 RSP=ffff880009a03ee8
R8 =0000000000000016 R9 =000000000000000a R10=00000000ffffffff R11=0000000000000000
R12=2a4d17d38f3303c1 R13=ffffffff815fd000 R14=ffffffff81592140 R15=0000000000093510
RIP=ffffffff810767cb RFL=00000006 [-----P-] CPL=0 II=0 A20=1 SMM=0 HLT=0
ES =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS   [-WA]
CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA]
SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS   [-WA]
DS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS   [-WA]
FS =0000 0000000000000000 000fffff 00000000
GS =0000 ffff880009a00000 000fffff 00000000
LDT=0000 0000000000000000 000fffff 00000000
TR =0040 ffff880009a11880 00002087 00008b00 DPL=0 TSS64-busy
GDT=     ffff880009a04000 0000007f
IDT=     ffffffff815fd000 00000fff
CR0=8005003b CR2=00007f424e540700 CR3=000000021690c000 CR4=000006f0
DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 
DR6=00000000ffff0ff0 DR7=0000000000000400
EFER=0000000000000d01
FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80
FPR0=0000000000000000 0000 FPR1=0000000000000000 0000
FPR2=0000000000000000 0000 FPR3=0000000000000000 0000
FPR4=0000000000000000 0000 FPR5=0000000000000000 0000
FPR6=0000000000000000 0000 FPR7=0000000000000000 0000
XMM00=00000000000000000000000000000000 XMM01=0000000000000000000000003c23d70a
XMM02=00000000000000000000000000000000 XMM03=00000000000000000000000000000000
XMM04=00000000000000000000000000000000 XMM05=00000000000000000000000000000000
XMM06=00000000000000000000000000000000 XMM07=00000000000000000000000000000000
XMM08=00000000000000000000000000000000 XMM09=00000000000000000000000000000000
XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000
XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000
XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000

info cpus:
* CPU #0: pc=0xffffffff8105d4a0 thread_id=19639 
  CPU #1: pc=0xffffffff81013140 thread_id=19640 
  CPU #2: pc=0xffffffff8102a1b6 (halted) thread_id=19641 
  CPU #3: pc=0xffffffff81341521 thread_id=19642 
  CPU #4: pc=0xffffffff810415d8 thread_id=19643 
  CPU #5: pc=0xffffffff811ca521 thread_id=19644 
  CPU #6: pc=0xffffffff81013140 thread_id=19646 
  CPU #7: pc=0xffffffff8102a1b6 (halted) thread_id=19647 


and here are trace-cmds for all cpus:
http://nik.lbox.cz/public/trace-cmd.tar.bz2

Could somebody please have a look at this?

I also tried 2.6.38.5, but the result is the same...

cheers
nik




-- 
-------------------------------------
Ing. Nikola CIPRICH
LinuxBox.cz, s.r.o.
28. rijna 168, 709 01 Ostrava

tel.:   +420 596 603 142
fax:    +420 596 621 273
mobil:  +420 777 093 799

www.linuxbox.cz

mobil servis: +420 737 238 656
email servis: servis@linuxbox.cz
-------------------------------------

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^ permalink raw reply	[flat|nested] 9+ messages in thread

* Re: 2.6.32 guest with paravirt clock enabled hangs on 2.6.37.6 host (w qemu-kvm-0.13.0)
  2011-05-08 18:33 2.6.32 guest with paravirt clock enabled hangs on 2.6.37.6 host (w qemu-kvm-0.13.0) Nikola Ciprich
@ 2011-05-08 18:41 ` Nikola Ciprich
  2011-05-08 18:53 ` Michael Tokarev
  1 sibling, 0 replies; 9+ messages in thread
From: Nikola Ciprich @ 2011-05-08 18:41 UTC (permalink / raw)
  To: kvm; +Cc: ciprich, zamsden

[-- Attachment #1: Type: text/plain, Size: 6072 bytes --]

(CC Zachary)
well, I should also note that while testing 2.6.37 host, I had Zach's
patch fixing guest clock regression applied...
n.

On Sun, May 08, 2011 at 08:33:04PM +0200, Nikola Ciprich wrote:
> Hello everyboy,
> while installing new virt machine today, I noticed that 2.6.32 x86_64 SMP guests are hanging if they have paravirt-clock enabled...
> Either they don't finish booting at all, or boot but hang soon after..
> Such a hanged guest fully loads all host cpus..
> The host is 6core x86_64 runnig 2.6.37.6 with 24GB RAM.
> 
> kvm_stat:
> 
>  kvm_exit(EXTERNAL_INTERRUPT)                 15682    1643
>  kvm_exit                                     15514    1643
>  kvm_entry                                    15416    1643
>  kvm_set_irq                                      1	  0
>  kvm_msi_set_irq                                  1	  0
>  kvm_apic_accept_irq                              1	  0
>  kvm_exit(VMCLEAR)                                6       0
>  kvm_exit(VMON)                                   6       0
>  kvm_exit(PAUSE_INSTRUCTION)                      5       0
>  kvm_exit(MCE_DURING_VMENTRY)                     5       0
>  kvm_exit(MWAIT_INSTRUCTION)                      5       0
>  kvm_exit(DR_ACCESS)                              5       0
>  kvm_exit(EPT_VIOLATION)                          5       0
>  kvm_exit(NMI_WINDOW)                             5       0
>  kvm_exit(VMPTRLD)                                5       0
>  kvm_exit(TASK_SWITCH)                            5       0
>  kvm_exit(VMREAD)                                 5       0
>  kvm_exit(VMLAUNCH)                               5       0
>  kvm_exit(RDPMC)                                  5       0
> 
> perf top:
>                16.00 10.9% add_preempt_count        [kernel.kallsyms]                                        
>                16.00 10.9% do_raw_spin_lock         [kernel.kallsyms]                                        
>                15.00 10.2% sub_preempt_count        [kernel.kallsyms]                                        
>                 8.00  5.4% irq_exit                 [kernel.kallsyms]                                        
>                 7.00  4.8% vmx_vcpu_run             /lib/modules/2.6.37lb.09/kernel/arch/x86/kvm/kvm-intel.ko
>                 7.00  4.8% page_fault               [kernel.kallsyms]                                        
>                 5.00  3.4% mempool_free             [kernel.kallsyms]                                        
> 
> info registers:
> RAX=0000000000f42400 RBX=ffffffff81533f00 RCX=0000000000000016 RDX=00077358f5000000
> RSI=000000001dcd6500 RDI=0000000000000001 RBP=ffff880009a03ee8 RSP=ffff880009a03ee8
> R8 =0000000000000016 R9 =000000000000000a R10=00000000ffffffff R11=0000000000000000
> R12=2a4d17d38f3303c1 R13=ffffffff815fd000 R14=ffffffff81592140 R15=0000000000093510
> RIP=ffffffff810767cb RFL=00000006 [-----P-] CPL=0 II=0 A20=1 SMM=0 HLT=0
> ES =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS   [-WA]
> CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA]
> SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS   [-WA]
> DS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS   [-WA]
> FS =0000 0000000000000000 000fffff 00000000
> GS =0000 ffff880009a00000 000fffff 00000000
> LDT=0000 0000000000000000 000fffff 00000000
> TR =0040 ffff880009a11880 00002087 00008b00 DPL=0 TSS64-busy
> GDT=     ffff880009a04000 0000007f
> IDT=     ffffffff815fd000 00000fff
> CR0=8005003b CR2=00007f424e540700 CR3=000000021690c000 CR4=000006f0
> DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 
> DR6=00000000ffff0ff0 DR7=0000000000000400
> EFER=0000000000000d01
> FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80
> FPR0=0000000000000000 0000 FPR1=0000000000000000 0000
> FPR2=0000000000000000 0000 FPR3=0000000000000000 0000
> FPR4=0000000000000000 0000 FPR5=0000000000000000 0000
> FPR6=0000000000000000 0000 FPR7=0000000000000000 0000
> XMM00=00000000000000000000000000000000 XMM01=0000000000000000000000003c23d70a
> XMM02=00000000000000000000000000000000 XMM03=00000000000000000000000000000000
> XMM04=00000000000000000000000000000000 XMM05=00000000000000000000000000000000
> XMM06=00000000000000000000000000000000 XMM07=00000000000000000000000000000000
> XMM08=00000000000000000000000000000000 XMM09=00000000000000000000000000000000
> XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000
> XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000
> XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000
> 
> info cpus:
> * CPU #0: pc=0xffffffff8105d4a0 thread_id=19639 
>   CPU #1: pc=0xffffffff81013140 thread_id=19640 
>   CPU #2: pc=0xffffffff8102a1b6 (halted) thread_id=19641 
>   CPU #3: pc=0xffffffff81341521 thread_id=19642 
>   CPU #4: pc=0xffffffff810415d8 thread_id=19643 
>   CPU #5: pc=0xffffffff811ca521 thread_id=19644 
>   CPU #6: pc=0xffffffff81013140 thread_id=19646 
>   CPU #7: pc=0xffffffff8102a1b6 (halted) thread_id=19647 
> 
> 
> and here are trace-cmds for all cpus:
> http://nik.lbox.cz/public/trace-cmd.tar.bz2
> 
> Could somebody please have a look at this?
> 
> I also tried 2.6.38.5, but the result is the same...
> 
> cheers
> nik
> 
> 
> 
> 
> -- 
> -------------------------------------
> Ing. Nikola CIPRICH
> LinuxBox.cz, s.r.o.
> 28. rijna 168, 709 01 Ostrava
> 
> tel.:   +420 596 603 142
> fax:    +420 596 621 273
> mobil:  +420 777 093 799
> 
> www.linuxbox.cz
> 
> mobil servis: +420 737 238 656
> email servis: servis@linuxbox.cz
> -------------------------------------



-- 
-------------------------------------
Ing. Nikola CIPRICH
LinuxBox.cz, s.r.o.
28. rijna 168, 709 01 Ostrava

tel.:   +420 596 603 142
fax:    +420 596 621 273
mobil:  +420 777 093 799

www.linuxbox.cz

mobil servis: +420 737 238 656
email servis: servis@linuxbox.cz
-------------------------------------

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^ permalink raw reply	[flat|nested] 9+ messages in thread

* Re: 2.6.32 guest with paravirt clock enabled hangs on 2.6.37.6 host (w qemu-kvm-0.13.0)
  2011-05-08 18:33 2.6.32 guest with paravirt clock enabled hangs on 2.6.37.6 host (w qemu-kvm-0.13.0) Nikola Ciprich
  2011-05-08 18:41 ` Nikola Ciprich
@ 2011-05-08 18:53 ` Michael Tokarev
  2011-05-08 19:06   ` Nikola Ciprich
  1 sibling, 1 reply; 9+ messages in thread
From: Michael Tokarev @ 2011-05-08 18:53 UTC (permalink / raw)
  To: Nikola Ciprich; +Cc: kvm

08.05.2011 22:33, Nikola Ciprich wrote:
> Hello everyboy,
> while installing new virt machine today, I noticed that 2.6.32 x86_64 SMP guests are hanging if they have paravirt-clock enabled...

There were about 10 bugfixes pushed to 2.6.32.y stable series,
some of them were for kvm-clock, and some were for problems
which manifested itself like you described.  You may actually
take a look which guests you're booting.  FWIW.

/mjt

^ permalink raw reply	[flat|nested] 9+ messages in thread

* Re: 2.6.32 guest with paravirt clock enabled hangs on 2.6.37.6 host (w qemu-kvm-0.13.0)
  2011-05-08 18:53 ` Michael Tokarev
@ 2011-05-08 19:06   ` Nikola Ciprich
  2011-05-09  3:06     ` David Ahern
  2011-05-09 17:32     ` Zachary Amsden
  0 siblings, 2 replies; 9+ messages in thread
From: Nikola Ciprich @ 2011-05-08 19:06 UTC (permalink / raw)
  To: Michael Tokarev; +Cc: kvm

[-- Attachment #1: Type: text/plain, Size: 1550 bytes --]

OK,
I see.. the problem is, that I'm trying to hunt down bug causing hangs
when 2.6.32 guests try to run tcpdump - this seems to be reproducible even on latest 2.6.32.x, and seems like it depends on kvm-clock..
So I was thinking about bisecting between 2.6.32 and latest git which doesn't seem to suffer this problem but hitting another (different) problem in 2.6.32 complicates thinks a bit :(
If somebody would have some hint on how to proceed, I'd be more then grateful..
cheers
n.

On Sun, May 08, 2011 at 10:53:56PM +0400, Michael Tokarev wrote:
> 08.05.2011 22:33, Nikola Ciprich wrote:
> > Hello everyboy,
> > while installing new virt machine today, I noticed that 2.6.32 x86_64 SMP guests are hanging if they have paravirt-clock enabled...
> 
> There were about 10 bugfixes pushed to 2.6.32.y stable series,
> some of them were for kvm-clock, and some were for problems
> which manifested itself like you described.  You may actually
> take a look which guests you're booting.  FWIW.
> 
> /mjt
> --
> To unsubscribe from this list: send the line "unsubscribe kvm" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at  http://vger.kernel.org/majordomo-info.html
> 

-- 
-------------------------------------
Ing. Nikola CIPRICH
LinuxBox.cz, s.r.o.
28. rijna 168, 709 01 Ostrava

tel.:   +420 596 603 142
fax:    +420 596 621 273
mobil:  +420 777 093 799

www.linuxbox.cz

mobil servis: +420 737 238 656
email servis: servis@linuxbox.cz
-------------------------------------

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^ permalink raw reply	[flat|nested] 9+ messages in thread

* Re: 2.6.32 guest with paravirt clock enabled hangs on 2.6.37.6 host (w qemu-kvm-0.13.0)
  2011-05-08 19:06   ` Nikola Ciprich
@ 2011-05-09  3:06     ` David Ahern
  2011-05-09 17:32     ` Zachary Amsden
  1 sibling, 0 replies; 9+ messages in thread
From: David Ahern @ 2011-05-09  3:06 UTC (permalink / raw)
  To: Nikola Ciprich; +Cc: Michael Tokarev, kvm



On 05/08/11 13:06, Nikola Ciprich wrote:
> OK,
> I see.. the problem is, that I'm trying to hunt down bug causing hangs
> when 2.6.32 guests try to run tcpdump - this seems to be reproducible even on latest 2.6.32.x, and seems like it depends on kvm-clock..
> So I was thinking about bisecting between 2.6.32 and latest git which doesn't seem to suffer this problem but hitting another (different) problem in 2.6.32 complicates thinks a bit :(
> If somebody would have some hint on how to proceed, I'd be more then grateful..
> cheers

Have you tried enabling gdbserver in the qemu monitor and then attaching
gdb to the guest once it hangs?

David

^ permalink raw reply	[flat|nested] 9+ messages in thread

* Re: 2.6.32 guest with paravirt clock enabled hangs on 2.6.37.6 host (w qemu-kvm-0.13.0)
  2011-05-08 19:06   ` Nikola Ciprich
  2011-05-09  3:06     ` David Ahern
@ 2011-05-09 17:32     ` Zachary Amsden
  2011-05-09 18:25       ` Nikola Ciprich
  1 sibling, 1 reply; 9+ messages in thread
From: Zachary Amsden @ 2011-05-09 17:32 UTC (permalink / raw)
  To: Nikola Ciprich; +Cc: Michael Tokarev, kvm

On 05/08/2011 12:06 PM, Nikola Ciprich wrote:
> OK,
> I see.. the problem is, that I'm trying to hunt down bug causing hangs
> when 2.6.32 guests try to run tcpdump - this seems to be reproducible even on latest 2.6.32.x, and seems like it depends on kvm-clock..
> So I was thinking about bisecting between 2.6.32 and latest git which doesn't seem to suffer this problem but hitting another (different) problem in 2.6.32 complicates thinks a bit :(
> If somebody would have some hint on how to proceed, I'd be more then grateful..
> cheers
> n.
>    

What are you bisecting, the host kernel or the guest kernel, and what 
version is the host kernel?

^ permalink raw reply	[flat|nested] 9+ messages in thread

* Re: 2.6.32 guest with paravirt clock enabled hangs on 2.6.37.6 host (w qemu-kvm-0.13.0)
  2011-05-09 17:32     ` Zachary Amsden
@ 2011-05-09 18:25       ` Nikola Ciprich
  2011-05-09 18:30         ` Zachary Amsden
  0 siblings, 1 reply; 9+ messages in thread
From: Nikola Ciprich @ 2011-05-09 18:25 UTC (permalink / raw)
  To: Zachary Amsden; +Cc: Michael Tokarev, kvm

[-- Attachment #1: Type: text/plain, Size: 1289 bytes --]

The guest, because latest kernels do not suffer this problem, so I'd like to
find fix so it can be pushed to -stable (we're using 2.6.32.x)
host is currently 2.6.37 (and i'm currently testing 2.6.38 as well)
n.

On Mon, May 09, 2011 at 10:32:26AM -0700, Zachary Amsden wrote:
> On 05/08/2011 12:06 PM, Nikola Ciprich wrote:
>> OK,
>> I see.. the problem is, that I'm trying to hunt down bug causing hangs
>> when 2.6.32 guests try to run tcpdump - this seems to be reproducible even on latest 2.6.32.x, and seems like it depends on kvm-clock..
>> So I was thinking about bisecting between 2.6.32 and latest git which doesn't seem to suffer this problem but hitting another (different) problem in 2.6.32 complicates thinks a bit :(
>> If somebody would have some hint on how to proceed, I'd be more then grateful..
>> cheers
>> n.
>>    
>
> What are you bisecting, the host kernel or the guest kernel, and what  
> version is the host kernel?
>

-- 
-------------------------------------
Ing. Nikola CIPRICH
LinuxBox.cz, s.r.o.
28. rijna 168, 709 01 Ostrava

tel.:   +420 596 603 142
fax:    +420 596 621 273
mobil:  +420 777 093 799

www.linuxbox.cz

mobil servis: +420 737 238 656
email servis: servis@linuxbox.cz
-------------------------------------

[-- Attachment #2: Type: application/pgp-signature, Size: 198 bytes --]

^ permalink raw reply	[flat|nested] 9+ messages in thread

* Re: 2.6.32 guest with paravirt clock enabled hangs on 2.6.37.6 host (w qemu-kvm-0.13.0)
  2011-05-09 18:25       ` Nikola Ciprich
@ 2011-05-09 18:30         ` Zachary Amsden
  2011-05-09 19:27           ` Nikola Ciprich
  0 siblings, 1 reply; 9+ messages in thread
From: Zachary Amsden @ 2011-05-09 18:30 UTC (permalink / raw)
  To: Nikola Ciprich; +Cc: Michael Tokarev, kvm

On 05/09/2011 11:25 AM, Nikola Ciprich wrote:
> The guest, because latest kernels do not suffer this problem, so I'd like to
> find fix so it can be pushed to -stable (we're using 2.6.32.x)
> host is currently 2.6.37 (and i'm currently testing 2.6.38 as well)
> n.

That's a pretty wide range to be bisecting, and I think we know for a 
fact there were some kvmclock related bugs in that range.

If you are looking for something causing problems with tcpdump, I'd 
suggest getting rid of kvmclock in your testing and using TSC instead; 
if you're looking to verify that kvmclock related changed have been 
backported to -stable, rather than bisect and run into bugs, it would 
probably be faster to check the commit logs for arch/x86/kvm/x86.c and 
make sure you're not missing anything from me or Glauber that has been 
applied to the most recent branch.

Zach

^ permalink raw reply	[flat|nested] 9+ messages in thread

* Re: 2.6.32 guest with paravirt clock enabled hangs on 2.6.37.6 host (w qemu-kvm-0.13.0)
  2011-05-09 18:30         ` Zachary Amsden
@ 2011-05-09 19:27           ` Nikola Ciprich
  0 siblings, 0 replies; 9+ messages in thread
From: Nikola Ciprich @ 2011-05-09 19:27 UTC (permalink / raw)
  To: Zachary Amsden; +Cc: Michael Tokarev, kvm

[-- Attachment #1: Type: text/plain, Size: 1226 bytes --]

> That's a pretty wide range to be bisecting, and I think we know for a  
> fact there were some kvmclock related bugs in that range.
thats true, I might try to pick those that seem related and see if it
helpts..
>
> If you are looking for something causing problems with tcpdump, I'd  
> suggest getting rid of kvmclock in your testing and using TSC instead;  
that's the problem, I can't reproduce the problems without kvm-clock
enabled, so it must be related to it somehow..

> if you're looking to verify that kvmclock related changed have been  
> backported to -stable, rather than bisect and run into bugs, it would  
> probably be faster to check the commit logs for arch/x86/kvm/x86.c and  
> make sure you're not missing anything from me or Glauber that has been  
> applied to the most recent branch.
yup, I'll try and report...
thanks for the hints!
n.


>
> Zach
>

-- 
-------------------------------------
Ing. Nikola CIPRICH
LinuxBox.cz, s.r.o.
28. rijna 168, 709 01 Ostrava

tel.:   +420 596 603 142
fax:    +420 596 621 273
mobil:  +420 777 093 799

www.linuxbox.cz

mobil servis: +420 737 238 656
email servis: servis@linuxbox.cz
-------------------------------------

[-- Attachment #2: Type: application/pgp-signature, Size: 198 bytes --]

^ permalink raw reply	[flat|nested] 9+ messages in thread

end of thread, other threads:[~2011-05-09 19:27 UTC | newest]

Thread overview: 9+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2011-05-08 18:33 2.6.32 guest with paravirt clock enabled hangs on 2.6.37.6 host (w qemu-kvm-0.13.0) Nikola Ciprich
2011-05-08 18:41 ` Nikola Ciprich
2011-05-08 18:53 ` Michael Tokarev
2011-05-08 19:06   ` Nikola Ciprich
2011-05-09  3:06     ` David Ahern
2011-05-09 17:32     ` Zachary Amsden
2011-05-09 18:25       ` Nikola Ciprich
2011-05-09 18:30         ` Zachary Amsden
2011-05-09 19:27           ` Nikola Ciprich

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