I still have the same issue with kernel 3.16.0-36-generic or 3.13.0-51-generic
(proposed-updates)
# KVM HOST (3.16.0-36-generic)
sudo apt-get install linux-signed-generic-lts-utopic/trusty-proposed
# KVM GUEST (3.16.0-36-generic)
sudo apt-get install linux-virtual-lts-utopic/trusty-proposed
apt-get install cloud-installer
cloud-install
[ 1196.920613] kvm: vmptrld (null)/780000000000 failed
[ 1196.920953] vmwrite error: reg 401e value 31 (err 1)
[ 1196.921243] CPU: 23 PID: 5240 Comm: qemu-system-x86 Not tainted
3.16.0-36-generic #48~14.04.1-Ubuntu
[ 1196.921244] Hardware name: HP ProLiant DL380 Gen9, BIOS P89 11/03/2014
[ 1196.921245] 0000000000000000 ffff88202018fb58 ffffffff81764a5f
ffff880fe4960000
[ 1196.921248] ffff88202018fb68 ffffffffc0a9320d ffff88202018fb78
ffffffffc0a878bf
[ 1196.921250] ffff88202018fba8 ffffffffc0a8e1cf ffff880fe4960000
0000000000000000
[ 1196.921252] Call Trace:
[ 1196.921262] [<ffffffff81764a5f>] dump_stack+0x45/0x56
[ 1196.921277] [<ffffffffc0a9320d>] vmwrite_error+0x2c/0x2e [kvm_intel]
[ 1196.921280] [<ffffffffc0a878bf>] vmcs_writel+0x1f/0x30 [kvm_intel]
[ 1196.921283] [<ffffffffc0a8e1cf>] free_nested.part.73+0x5f/0x170 [kvm_intel]
[ 1196.921286] [<ffffffffc0a8e363>] vmx_free_vcpu+0x33/0x70 [kvm_intel]
[ 1196.921305] [<ffffffffc03fd774>] kvm_arch_vcpu_free+0x44/0x50 [kvm]
[ 1196.921312] [<ffffffffc03fe3e2>] kvm_arch_destroy_vm+0xf2/0x1f0 [kvm]
[ 1196.921318] [<ffffffff810d28ed>] ? synchronize_srcu+0x1d/0x20
[ 1196.921323] [<ffffffffc03e635e>] kvm_put_kvm+0x10e/0x220 [kvm]
[ 1196.921328] [<ffffffffc03e64a8>] kvm_vcpu_release+0x18/0x20 [kvm]
[ 1196.921331] [<ffffffff811d5e64>] __fput+0xe4/0x220
[ 1196.921333] [<ffffffff811d5fee>] ____fput+0xe/0x10
[ 1196.921337] [<ffffffff8108e284>] task_work_run+0xc4/0xe0
[ 1196.921342] [<ffffffff810702c8>] do_exit+0x2b8/0xa60
[ 1196.921345] [<ffffffff810e3792>] ? __unqueue_futex+0x32/0x70
[ 1196.921347] [<ffffffff810e47b6>] ? futex_wait+0x126/0x290
[ 1196.921349] [<ffffffff8109eb35>] ? check_preempt_curr+0x85/0xa0
[ 1196.921351] [<ffffffff81070aef>] do_group_exit+0x3f/0xa0
[ 1196.921353] [<ffffffff81080530>] get_signal_to_deliver+0x1d0/0x6f0
[ 1196.921357] [<ffffffff81012548>] do_signal+0x48/0xad0
[ 1196.921359] [<ffffffff81011627>] ? __switch_to+0x167/0x590
[ 1196.921361] [<ffffffff81013039>] do_notify_resume+0x69/0xb0
[ 1196.921364] [<ffffffff8176d44a>] int_signal+0x12/0x17
[ 1196.921365] vmwrite error: reg 2800 value ffffffffffffffff (err -255)
[ 1196.921733] CPU: 23 PID: 5240 Comm: qemu-system-x86 Not tainted
3.16.0-36-generic #48~14.04.1-Ubuntu
[ 1196.921734] Hardware name: HP ProLiant DL380 Gen9, BIOS P89 11/03/2014
[ 1196.921735] 0000000000000000 ffff88202018fb58 ffffffff81764a5f
ffff880fe4960000
[ 1196.921736] ffff88202018fb68 ffffffffc0a9320d ffff88202018fb78
ffffffffc0a878bf
[ 1196.921737] ffff88202018fba8 ffffffffc0a8e1e0 ffff880fe4960000
0000000000000000
[ 1196.921739] Call Trace:
[ 1196.921741] [<ffffffff81764a5f>] dump_stack+0x45/0x56
[ 1196.921744] [<ffffffffc0a9320d>] vmwrite_error+0x2c/0x2e [kvm_intel]
[ 1196.921746] [<ffffffffc0a878bf>] vmcs_writel+0x1f/0x30 [kvm_intel]
[ 1196.921748] [<ffffffffc0a8e1e0>] free_nested.part.73+0x70/0x170 [kvm_intel]
[ 1196.921751] [<ffffffffc0a8e363>] vmx_free_vcpu+0x33/0x70 [kvm_intel]
[ 1196.921757] [<ffffffffc03fd774>] kvm_arch_vcpu_free+0x44/0x50 [kvm]
[ 1196.921763] [<ffffffffc03fe3e2>] kvm_arch_destroy_vm+0xf2/0x1f0 [kvm]
[ 1196.921765] [<ffffffff810d28ed>] ? synchronize_srcu+0x1d/0x20
[ 1196.921770] [<ffffffffc03e635e>] kvm_put_kvm+0x10e/0x220 [kvm]
[ 1196.921774] [<ffffffffc03e64a8>] kvm_vcpu_release+0x18/0x20 [kvm]
[ 1196.921775] [<ffffffff811d5e64>] __fput+0xe4/0x220
[ 1196.921777] [<ffffffff811d5fee>] ____fput+0xe/0x10
[ 1196.921778] [<ffffffff8108e284>] task_work_run+0xc4/0xe0
[ 1196.921780] [<ffffffff810702c8>] do_exit+0x2b8/0xa60
[ 1196.921782] [<ffffffff810e3792>] ? __unqueue_futex+0x32/0x70
[ 1196.921783] [<ffffffff810e47b6>] ? futex_wait+0x126/0x290
[ 1196.921784] [<ffffffff8109eb35>] ? check_preempt_curr+0x85/0xa0
[ 1196.921786] [<ffffffff81070aef>] do_group_exit+0x3f/0xa0
[ 1196.921788] [<ffffffff81080530>] get_signal_to_deliver+0x1d0/0x6f0
[ 1196.921790] [<ffffffff81012548>] do_signal+0x48/0xad0
[ 1196.921791] [<ffffffff81011627>] ? __switch_to+0x167/0x590
[ 1196.921793] [<ffffffff81013039>] do_notify_resume+0x69/0xb0
[ 1196.921795] [<ffffffff8176d44a>] int_signal+0x12/0x17
[ 1270.766540] device vnet3 entered promiscuous mode
[ 1270.865885] device vnet4 entered promiscuous mode
[ 1273.824576] kvm: zapping shadow pages for mmio generation wraparound
[ 1447.725335] kvm [6152]: vcpu0 unhandled rdmsr: 0x606
uvt-kvm create \
--memory 16384 \
--disk 100 \
--cpu 2 \
--ssh-public-key-file uvt-authorized_keys \
--template uvt-template.xml \
test release=trusty arch=amd64
....
<vcpu placement='static'>2</vcpu>
<cputune>
<vcpupin vcpu='0' cpuset='23'/>
<vcpupin vcpu='1' cpuset='31'/>
<emulatorpin cpuset='23,31'/>
</cputune>
<cpu mode='custom' match='exact'>
<model fallback='allow'>SandyBridge</model>
<vendor>Intel</vendor>
<topology sockets='1' cores='2' threads='1'/>
<feature policy='require' name='vmx'/>
....
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https://bugs.launchpad.net/bugs/1413540
Title:
Trusty soft lockup issues with nested KVM
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