may be offtopic question

may be offtopic question

[Vasiliy G Tolstov]

Hello. I'm new with kvm, i'm try to run exherbo linux under it.
Kvm runs on 2.6.32 on gentoo linux 

Virtual machine works slowly, some times i see this error in syslog:

[ 1929.705897] BUG: MAX_LOCK_DEPTH too low!
[ 1929.705902] turning off the locking correctness validator.
[ 1929.705906] Pid: 6523, comm: vm1 Not tainted 2.6.32-gentoo-r1vase #1
[ 1929.705909] Call Trace:
[ 1929.705918]  [<ffffffff8109127e>] __lock_acquire+0x8d/0x3f0
[ 1929.705924]  [<ffffffff81092856>] lock_acquire+0xd7/0xfc
[ 1929.705930]  [<ffffffff810f46bf>] ? mm_take_all_locks+0x92/0x105
[ 1929.705936]  [<ffffffff816365fa>] _spin_lock_nest_lock+0x40/0x75
[ 1929.705940]  [<ffffffff810f46bf>] ? mm_take_all_locks+0x92/0x105
[ 1929.705945]  [<ffffffff810f46bf>] mm_take_all_locks+0x92/0x105
[ 1929.705949]  [<ffffffff810feda9>] ? do_mmu_notifier_register
+0x80/0x149
[ 1929.705954]  [<ffffffff810fedb1>] do_mmu_notifier_register+0x88/0x149
[ 1929.705958]  [<ffffffff810fee8d>] mmu_notifier_register+0xe/0x10
[ 1929.705964]  [<ffffffff8100c44c>] kvm_dev_ioctl+0x138/0x2f7
[ 1929.705969]  [<ffffffff81143854>] compat_sys_ioctl+0x1b5/0x40d
[ 1929.705975]  [<ffffffff8163585f>] ? lockdep_sys_exit_thunk+0x35/0x67
[ 1929.705980]  [<ffffffff8126a678>] ? __up_read+0x1c/0x8c
[ 1929.705987]  [<ffffffff81056f7f>] sysenter_dispatch+0x7/0x2e

qemu run as:

qemu-system-x86_64 -boot c -m 512 -sdl -net vde,name=tap0,vlan=0 -net
nic,vlan=0,macaddr=52:54:00:00:EE:03 -localtime -name vm1,process=vm1
-vga std -balloon virtio -enable-kvm -runas vase -enable-nesting
-cdrom /media/kvm/install-x86-minimal-20091103.iso -hda
~vase/exherbo-kvm-amd64-20091013.img




-- 
Vasiliy G Tolstov <v.tolstov@selfip.ru>
Selfip.Ru

Re: may be offtopic question

[Avi Kivity]

On 01/07/2010 05:00 PM, Vasiliy G Tolstov wrote:
> Hello. I'm new with kvm, i'm try to run exherbo linux under it.
> Kvm runs on 2.6.32 on gentoo linux
>
> Virtual machine works slowly, some times i see this error in syslog:
>
> [ 1929.705897] BUG: MAX_LOCK_DEPTH too low!
> [ 1929.705902] turning off the locking correctness validator.
>    

You're running a debugging configuration.  Turn off CONFIG_LOCKDEP and 
other debugging options if you want reasonable performance.

-- 
error compiling committee.c: too many arguments to function