Re: possible circular locking dependency

2012-05-07 Thread Sergey Senozhatsky
On (05/07/12 10:52), Avi Kivity wrote: > On 05/07/2012 06:47 AM, Paul E. McKenney wrote: > > On Sun, May 06, 2012 at 11:34:39PM +0300, Sergey Senozhatsky wrote: > > > On (05/06/12 09:42), Paul E. McKenney wrote: > > > > On Sun, May 06, 2012 at 11:55:30AM +0300, Avi Ki

Re: possible circular locking dependency

2012-05-06 Thread Sergey Senozhatsky
On (05/06/12 09:42), Paul E. McKenney wrote: > On Sun, May 06, 2012 at 11:55:30AM +0300, Avi Kivity wrote: > > On 05/03/2012 11:02 PM, Sergey Senozhatsky wrote: > > > Hello, > > > 3.4-rc5 > > > > Whoa. > > > > Looks like inconsistent locking

possible circular locking dependency

2012-05-03 Thread Sergey Senozhatsky
Hello, 3.4-rc5 [32881.212463] kvm: VM_EXIT_LOAD_IA32_PERF_GLOBAL_CTRL does not work properly. Using workaround [32882.360505] [32882.360509] == [32882.360511] [ INFO: possible circular locking dependency detected ] [32882.360515] 3.4.0-rc5-dbg-

Re: kernel BUG at arch/x86/kvm/../../../virt/kvm/kvm_main.c:1978

2010-08-19 Thread Sergey Senozhatsky
On (08/19/10 12:58), Avi Kivity wrote: > >Hello, > > > >Got this trace (while echo 1> /sys/devices/system/cpu/cpu3/online): > > > >[ 313.320295] lockdep: fixing up alternatives. > >[ 313.320303] SMP alternatives: switching to SMP code > >[ 313.331090] Booting Node 0 Processor 3 APIC 0x5 > >[ 3

kernel BUG at arch/x86/kvm/../../../virt/kvm/kvm_main.c:1978

2010-08-19 Thread Sergey Senozhatsky
Hello, Got this trace (while echo 1 > /sys/devices/system/cpu/cpu3/online): [ 313.320295] lockdep: fixing up alternatives. [ 313.320303] SMP alternatives: switching to SMP code [ 313.331090] Booting Node 0 Processor 3 APIC 0x5 [ 313.487258] kvm: enabling virtualization on CPU3 [ 313.487326]