From mboxrd@z Thu Jan  1 00:00:00 1970
From: bugzilla-daemon@bugzilla.kernel.org
Subject: [Bug 93251] qemu-kvm guests randomly hangs after reboot command in
 guest
Date: Sat, 14 Feb 2015 12:52:26 +0000
Message-ID: <bug-93251-28872-dOCQpZEVz1@https.bugzilla.kernel.org/>
References: <bug-93251-28872@https.bugzilla.kernel.org/>
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https://bugzilla.kernel.org/show_bug.cgi?id=3D93251

--- Comment #1 from Ond=C5=99ej S=C3=BAkup <mimi.vx@gmail.com> ---
I run about 7 nodes, an simulate build of openstack cloud in qemu-kvm e=
nv ..

nodes randomly after reboot stop working, or hangs in few sec after reb=
oot=20


from journalctl:

=C3=BAno 13 18:10:22 argus kernel: qemu-system-x86: page allocation fai=
lure:
order:4, mode:0x40d0
=C3=BAno 13 18:10:23 argus kernel: CPU: 2 PID: 2731 Comm: qemu-system-x=
86 Not
tainted 3.19.0-gentoo #2
=C3=BAno 13 18:10:27 argus kernel: Hardware name: Dell Inc. OptiPlex 90=
10/0M9KCM,
BIOS A19 08/18/2014
=C3=BAno 13 18:10:27 argus kernel:  0000000000000004 00000000a9baffad
0000000000000000 ffffffff9d5cdf0c
=C3=BAno 13 18:10:27 argus kernel:  00000000000040d0 ffffffff9d0d5f1e
0000000000000040 0000000000000000
=C3=BAno 13 18:10:27 argus kernel:  ffffffff9d807080 ffffffff9d0d8dda
ffffffff9d806180 00000000a9baffad
=C3=BAno 13 18:10:27 argus kernel: Call Trace:
=C3=BAno 13 18:10:27 argus kernel:  [<ffffffff9d5cdf0c>] ? dump_stack+0=
x47/0x67
=C3=BAno 13 18:10:27 argus kernel:  [<ffffffff9d0d5f1e>] ?
warn_alloc_failed+0xee/0x150
=C3=BAno 13 18:10:27 argus kernel:  [<ffffffff9d0d8dda>] ?
__alloc_pages_direct_compact+0x14a/0x150
=C3=BAno 13 18:10:27 argus kernel:  [<ffffffff9d0d9556>] ?
__alloc_pages_nodemask+0x776/0xb80
=C3=BAno 13 18:10:27 argus kernel:  [<ffffffff9d0d9a3a>] ?
alloc_kmem_pages+0x3a/0x110
=C3=BAno 13 18:10:27 argus kernel:  [<ffffffff9d0ee4e3>] ? kmalloc_orde=
r+0x13/0x50
=C3=BAno 13 18:10:27 argus kernel:  [<ffffffff9d0e954b>] ? kmemdup+0x1b=
/0x40
=C3=BAno 13 18:10:27 argus kernel:  [<ffffffffc0aeb1fa>] ?
__kvm_set_memory_region+0x24a/0x9f0 [kvm]
=C3=BAno 13 18:10:27 argus kernel:  [<ffffffffc0b154b0>] ?
kvm_set_ioapic+0x130/0x130 [kvm]
=C3=BAno 13 18:10:27 argus kernel:  [<ffffffffc0aeb9c1>] ?
kvm_set_memory_region+0x21/0x40 [kvm]
=C3=BAno 13 18:10:27 argus kernel:  [<ffffffffc0aebe1f>] ? kvm_vm_ioctl=
+0x43f/0x750
[kvm]
=C3=BAno 13 18:10:27 argus kernel:  [<ffffffff9d2ef4eb>] ? blk_finish_p=
lug+0xb/0x40
=C3=BAno 13 18:10:27 argus kernel:  [<ffffffff9d10ae75>] ? SyS_madvise+=
0x3c5/0x800
=C3=BAno 13 18:10:27 argus kernel:  [<ffffffff9d07ca71>] ?
cpuacct_account_field+0x11/0x60
=C3=BAno 13 18:10:27 argus kernel:  [<ffffffff9d147748>] ? do_vfs_ioctl=
+0x308/0x510
=C3=BAno 13 18:10:27 argus kernel:  [<ffffffff9d06ce3f>] ?
vtime_account_user+0x3f/0x60
=C3=BAno 13 18:10:27 argus kernel:  [<ffffffff9d151423>] ? __fget+0x63/=
0xa0
=C3=BAno 13 18:10:27 argus kernel:  [<ffffffff9d147986>] ? SyS_ioctl+0x=
36/0x80
=C3=BAno 13 18:10:27 argus kernel:  [<ffffffff9d5d453d>] ?
int_check_syscall_exit_work+0x34/0x3d
=C3=BAno 13 18:10:27 argus kernel:  [<ffffffff9d5d4312>] ?
system_call_fastpath+0x12/0x17
=C3=BAno 13 18:10:27 argus kernel: Mem-Info:
=C3=BAno 13 18:10:27 argus kernel: DMA per-cpu:
=C3=BAno 13 18:10:27 argus kernel: CPU    0: hi:    0, btch:   1 usd:  =
 0
=C3=BAno 13 18:10:27 argus kernel: CPU    1: hi:    0, btch:   1 usd:  =
 0
=C3=BAno 13 18:10:27 argus kernel: CPU    2: hi:    0, btch:   1 usd:  =
 0
=C3=BAno 13 18:10:27 argus kernel: CPU    3: hi:    0, btch:   1 usd:  =
 0
=C3=BAno 13 18:10:27 argus kernel: CPU    4: hi:    0, btch:   1 usd:  =
 0
=C3=BAno 13 18:10:27 argus kernel: CPU    5: hi:    0, btch:   1 usd:  =
 0
=C3=BAno 13 18:10:27 argus kernel: CPU    6: hi:    0, btch:   1 usd:  =
 0
=C3=BAno 13 18:10:27 argus kernel: CPU    7: hi:    0, btch:   1 usd:  =
 0
=C3=BAno 13 18:10:27 argus kernel: DMA32 per-cpu:
=C3=BAno 13 18:10:27 argus kernel: CPU    0: hi:  186, btch:  31 usd:  =
 0
=C3=BAno 13 18:10:27 argus kernel: CPU    1: hi:  186, btch:  31 usd:  =
 0
=C3=BAno 13 18:10:27 argus kernel: CPU    2: hi:  186, btch:  31 usd:  =
22
=C3=BAno 13 18:10:27 argus kernel: CPU    3: hi:  186, btch:  31 usd: 1=
70
=C3=BAno 13 18:10:27 argus kernel: CPU    4: hi:  186, btch:  31 usd:  =
 0
=C3=BAno 13 18:10:27 argus kernel: CPU    5: hi:  186, btch:  31 usd:  =
 0
=C3=BAno 13 18:10:27 argus kernel: CPU    6: hi:  186, btch:  31 usd:  =
 0
=C3=BAno 13 18:10:27 argus kernel: CPU    7: hi:  186, btch:  31 usd:  =
 0
=C3=BAno 13 18:10:27 argus kernel: Normal per-cpu:
=C3=BAno 13 18:10:27 argus kernel: CPU    0: hi:  186, btch:  31 usd:  =
 0
=C3=BAno 13 18:10:27 argus kernel: CPU    1: hi:  186, btch:  31 usd:  =
30
=C3=BAno 13 18:10:27 argus kernel: CPU    2: hi:  186, btch:  31 usd:  =
 0
=C3=BAno 13 18:10:27 argus kernel: CPU    3: hi:  186, btch:  31 usd: 1=
61
=C3=BAno 13 18:10:27 argus kernel: CPU    4: hi:  186, btch:  31 usd:  =
 0
=C3=BAno 13 18:10:27 argus kernel: CPU    5: hi:  186, btch:  31 usd:  =
 0
=C3=BAno 13 18:10:27 argus kernel: CPU    6: hi:  186, btch:  31 usd:  =
 0
=C3=BAno 13 18:10:27 argus kernel: CPU    7: hi:  186, btch:  31 usd:  =
 0
=C3=BAno 13 18:10:27 argus kernel: active_anon:2109969 inactive_anon:93=
0082
isolated_anon:0
                                active_file:318968 inactive_file:466719
isolated_file:0
                                unevictable:0 dirty:134084 writeback:32=
11
unstable:0
                                free:47211 slab_reclaimable:45577
slab_unreclaimable:74482
                                mapped:47028 shmem:382256 pagetables:23=
493
bounce:0
                                free_cma:43
=C3=BAno 13 18:10:27 argus kernel: DMA free:15884kB min:64kB low:80kB h=
igh:96kB
active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB
unevictable:0kB isolated(anon):0kB isolated(file):0kB present:15984kB
managed:15900kB mlocked:0kB dirty:0kB writeback:0kB mapped:0kB shmem:0k=
B
slab_reclaimable:0kB slab_unreclaimable:16kB kernel_stack:0kB pagetable=
s:0kB
unstable:0kB bounce:0kB free_cma:0kB writeback_tmp:0kB pages_scanned:0
all_unreclaimable? yes
=C3=BAno 13 18:10:27 argus kernel: lowmem_reserve[]: 0 3541 16027 16027
=C3=BAno 13 18:10:27 argus kernel: DMA32 free:91084kB min:14916kB low:1=
8644kB
high:22372kB active_anon:1060260kB inactive_anon:907560kB active_file:5=
10928kB
inactive_file:846884kB unevictable:0kB isolated(anon):0kB isolated(file=
):0kB
present:3636052kB managed:3627220kB mlocked:0kB dirty:225504kB writebac=
k:7144kB
mapped:55956kB shmem:331400kB slab_reclaimable:63684kB
slab_unreclaimable:43356kB kernel_stack:6464kB pagetables:14680kB unsta=
ble:0kB
bounce:0kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaim=
able? no
=C3=BAno 13 18:10:27 argus kernel: lowmem_reserve[]: 0 0 12485 12485
=C3=BAno 13 18:10:27 argus kernel: Normal free:81876kB min:52596kB low:=
65744kB
high:78892kB active_anon:7379616kB inactive_anon:2812768kB active_file:=
764944kB
inactive_file:1019992kB unevictable:0kB isolated(anon):0kB isolated(fil=
e):0kB
present:13074432kB managed:12785460kB mlocked:0kB dirty:310832kB
writeback:5700kB mapped:132156kB shmem:1197624kB slab_reclaimable:11862=
4kB
slab_unreclaimable:254556kB kernel_stack:10000kB pagetables:79292kB
unstable:0kB bounce:0kB free_cma:172kB writeback_tmp:0kB pages_scanned:=
0
all_unreclaimable? no
=C3=BAno 13 18:10:27 argus kernel: lowmem_reserve[]: 0 0 0 0
=C3=BAno 13 18:10:27 argus kernel: DMA: 1*4kB (U) 1*8kB (U) 0*16kB 0*32=
kB 2*64kB (U)
1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (R) 3*4096kB (M) =
=3D
15884kB
=C3=BAno 13 18:10:27 argus kernel: DMA32: 20459*4kB (UEM) 766*8kB (UEM)=
 44*16kB
(UEM) 25*32kB (UEMR) 7*64kB (UR) 3*128kB (UMR) 1*256kB (R) 1*512kB (R) =
1*1024kB
(R) 0*2048kB 0*4096kB =3D 92092kB
=C3=BAno 13 18:10:27 argus kernel: Normal: 18555*4kB (UEMC) 145*8kB (UM=
C) 92*16kB
(UM) 54*32kB (UM) 40*64kB (UM) 9*128kB (UM) 2*256kB (U) 0*512kB 0*1024k=
B
0*2048kB 0*4096kB =3D 82804kB=C3=BAno 13 18:10:22 argus kernel: qemu-sy=
stem-x86: page
allocation failure: order:4, mode:0x40d0
=C3=BAno 13 18:10:23 argus kernel: CPU: 2 PID: 2731 Comm: qemu-system-x=
86 Not
tainted 3.19.0-gentoo #2
=C3=BAno 13 18:10:27 argus kernel: Hardware name: Dell Inc. OptiPlex 90=
10/0M9KCM,
BIOS A19 08/18/2014
=C3=BAno 13 18:10:27 argus kernel:  0000000000000004 00000000a9baffad
0000000000000000 ffffffff9d5cdf0c
=C3=BAno 13 18:10:27 argus kernel:  00000000000040d0 ffffffff9d0d5f1e
0000000000000040 0000000000000000
=C3=BAno 13 18:10:27 argus kernel:  ffffffff9d807080 ffffffff9d0d8dda
ffffffff9d806180 00000000a9baffad
=C3=BAno 13 18:10:27 argus kernel: Call Trace:
=C3=BAno 13 18:10:27 argus kernel:  [<ffffffff9d5cdf0c>] ? dump_stack+0=
x47/0x67
=C3=BAno 13 18:10:27 argus kernel:  [<ffffffff9d0d5f1e>] ?
warn_alloc_failed+0xee/0x150
=C3=BAno 13 18:10:27 argus kernel:  [<ffffffff9d0d8dda>] ?
__alloc_pages_direct_compact+0x14a/0x150
=C3=BAno 13 18:10:27 argus kernel:  [<ffffffff9d0d9556>] ?
__alloc_pages_nodemask+0x776/0xb80
=C3=BAno 13 18:10:27 argus kernel:  [<ffffffff9d0d9a3a>] ?
alloc_kmem_pages+0x3a/0x110
=C3=BAno 13 18:10:27 argus kernel:  [<ffffffff9d0ee4e3>] ? kmalloc_orde=
r+0x13/0x50
=C3=BAno 13 18:10:27 argus kernel:  [<ffffffff9d0e954b>] ? kmemdup+0x1b=
/0x40
=C3=BAno 13 18:10:27 argus kernel:  [<ffffffffc0aeb1fa>] ?
__kvm_set_memory_region+0x24a/0x9f0 [kvm]
=C3=BAno 13 18:10:27 argus kernel:  [<ffffffffc0b154b0>] ?
kvm_set_ioapic+0x130/0x130 [kvm]
=C3=BAno 13 18:10:27 argus kernel:  [<ffffffffc0aeb9c1>] ?
kvm_set_memory_region+0x21/0x40 [kvm]
=C3=BAno 13 18:10:27 argus kernel:  [<ffffffffc0aebe1f>] ? kvm_vm_ioctl=
+0x43f/0x750
[kvm]
=C3=BAno 13 18:10:27 argus kernel:  [<ffffffff9d2ef4eb>] ? blk_finish_p=
lug+0xb/0x40
=C3=BAno 13 18:10:27 argus kernel:  [<ffffffff9d10ae75>] ? SyS_madvise+=
0x3c5/0x800
=C3=BAno 13 18:10:27 argus kernel:  [<ffffffff9d07ca71>] ?
cpuacct_account_field+0x11/0x60
=C3=BAno 13 18:10:27 argus kernel:  [<ffffffff9d147748>] ? do_vfs_ioctl=
+0x308/0x510
=C3=BAno 13 18:10:27 argus kernel:  [<ffffffff9d06ce3f>] ?
vtime_account_user+0x3f/0x60
=C3=BAno 13 18:10:27 argus kernel:  [<ffffffff9d151423>] ? __fget+0x63/=
0xa0
=C3=BAno 13 18:10:27 argus kernel:  [<ffffffff9d147986>] ? SyS_ioctl+0x=
36/0x80
=C3=BAno 13 18:10:27 argus kernel:  [<ffffffff9d5d453d>] ?
int_check_syscall_exit_work+0x34/0x3d
=C3=BAno 13 18:10:27 argus kernel:  [<ffffffff9d5d4312>] ?
system_call_fastpath+0x12/0x17
=C3=BAno 13 18:10:27 argus kernel: Mem-Info:
=C3=BAno 13 18:10:27 argus kernel: DMA per-cpu:
=C3=BAno 13 18:10:27 argus kernel: CPU    0: hi:    0, btch:   1 usd:  =
 0
=C3=BAno 13 18:10:27 argus kernel: CPU    1: hi:    0, btch:   1 usd:  =
 0
=C3=BAno 13 18:10:27 argus kernel: CPU    2: hi:    0, btch:   1 usd:  =
 0
=C3=BAno 13 18:10:27 argus kernel: CPU    3: hi:    0, btch:   1 usd:  =
 0
=C3=BAno 13 18:10:27 argus kernel: CPU    4: hi:    0, btch:   1 usd:  =
 0
=C3=BAno 13 18:10:27 argus kernel: CPU    5: hi:    0, btch:   1 usd:  =
 0
=C3=BAno 13 18:10:27 argus kernel: CPU    6: hi:    0, btch:   1 usd:  =
 0
=C3=BAno 13 18:10:27 argus kernel: CPU    7: hi:    0, btch:   1 usd:  =
 0
=C3=BAno 13 18:10:27 argus kernel: DMA32 per-cpu:
=C3=BAno 13 18:10:27 argus kernel: CPU    0: hi:  186, btch:  31 usd:  =
 0
=C3=BAno 13 18:10:27 argus kernel: CPU    1: hi:  186, btch:  31 usd:  =
 0
=C3=BAno 13 18:10:27 argus kernel: CPU    2: hi:  186, btch:  31 usd:  =
22
=C3=BAno 13 18:10:27 argus kernel: CPU    3: hi:  186, btch:  31 usd: 1=
70
=C3=BAno 13 18:10:27 argus kernel: CPU    4: hi:  186, btch:  31 usd:  =
 0
=C3=BAno 13 18:10:27 argus kernel: CPU    5: hi:  186, btch:  31 usd:  =
 0
=C3=BAno 13 18:10:27 argus kernel: CPU    6: hi:  186, btch:  31 usd:  =
 0
=C3=BAno 13 18:10:27 argus kernel: CPU    7: hi:  186, btch:  31 usd:  =
 0
=C3=BAno 13 18:10:27 argus kernel: Normal per-cpu:
=C3=BAno 13 18:10:27 argus kernel: CPU    0: hi:  186, btch:  31 usd:  =
 0
=C3=BAno 13 18:10:27 argus kernel: CPU    1: hi:  186, btch:  31 usd:  =
30
=C3=BAno 13 18:10:27 argus kernel: CPU    2: hi:  186, btch:  31 usd:  =
 0
=C3=BAno 13 18:10:27 argus kernel: CPU    3: hi:  186, btch:  31 usd: 1=
61
=C3=BAno 13 18:10:27 argus kernel: CPU    4: hi:  186, btch:  31 usd:  =
 0
=C3=BAno 13 18:10:27 argus kernel: CPU    5: hi:  186, btch:  31 usd:  =
 0
=C3=BAno 13 18:10:27 argus kernel: CPU    6: hi:  186, btch:  31 usd:  =
 0
=C3=BAno 13 18:10:27 argus kernel: CPU    7: hi:  186, btch:  31 usd:  =
 0
=C3=BAno 13 18:10:27 argus kernel: active_anon:2109969 inactive_anon:93=
0082
isolated_anon:0
                                active_file:318968 inactive_file:466719
isolated_file:0
                                unevictable:0 dirty:134084 writeback:32=
11
unstable:0
                                free:47211 slab_reclaimable:45577
slab_unreclaimable:74482
                                mapped:47028 shmem:382256 pagetables:23=
493
bounce:0
                                free_cma:43
=C3=BAno 13 18:10:27 argus kernel: DMA free:15884kB min:64kB low:80kB h=
igh:96kB
active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB
unevictable:0kB isolated(anon):0kB isolated(file):0kB present:15984kB
managed:15900kB mlocked:0kB dirty:0kB writeback:0kB mapped:0kB shmem:0k=
B
slab_reclaimable:0kB slab_unreclaimable:16kB kernel_stack:0kB pagetable=
s:0kB
unstable:0kB bounce:0kB free_cma:0kB writeback_tmp:0kB pages_scanned:0
all_unreclaimable? yes
=C3=BAno 13 18:10:27 argus kernel: lowmem_reserve[]: 0 3541 16027 16027
=C3=BAno 13 18:10:27 argus kernel: DMA32 free:91084kB min:14916kB low:1=
8644kB
high:22372kB active_anon:1060260kB inactive_anon:907560kB active_file:5=
10928kB
inactive_file:846884kB unevictable:0kB isolated(anon):0kB isolated(file=
):0kB
present:3636052kB managed:3627220kB mlocked:0kB dirty:225504kB writebac=
k:7144kB
mapped:55956kB shmem:331400kB slab_reclaimable:63684kB
slab_unreclaimable:43356kB kernel_stack:6464kB pagetables:14680kB unsta=
ble:0kB
bounce:0kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaim=
able? no
=C3=BAno 13 18:10:27 argus kernel: lowmem_reserve[]: 0 0 12485 12485
=C3=BAno 13 18:10:27 argus kernel: Normal free:81876kB min:52596kB low:=
65744kB
high:78892kB active_anon:7379616kB inactive_anon:2812768kB active_file:=
764944kB
inactive_file:1019992kB unevictable:0kB isolated(anon):0kB isolated(fil=
e):0kB
present:13074432kB managed:12785460kB mlocked:0kB dirty:310832kB
writeback:5700kB mapped:132156kB shmem:1197624kB slab_reclaimable:11862=
4kB
slab_unreclaimable:254556kB kernel_stack:10000kB pagetables:79292kB
unstable:0kB bounce:0kB free_cma:172kB writeback_tmp:0kB pages_scanned:=
0
all_unreclaimable? no
=C3=BAno 13 18:10:27 argus kernel: lowmem_reserve[]: 0 0 0 0
=C3=BAno 13 18:10:27 argus kernel: DMA: 1*4kB (U) 1*8kB (U) 0*16kB 0*32=
kB 2*64kB (U)
1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (R) 3*4096kB (M) =
=3D
15884kB
=C3=BAno 13 18:10:27 argus kernel: DMA32: 20459*4kB (UEM) 766*8kB (UEM)=
 44*16kB
(UEM) 25*32kB (UEMR) 7*64kB (UR) 3*128kB (UMR) 1*256kB (R) 1*512kB (R) =
1*1024kB
(R) 0*2048kB 0*4096kB =3D 92092kB
=C3=BAno 13 18:10:27 argus kernel: Normal: 18555*4kB (UEMC) 145*8kB (UM=
C) 92*16kB
(UM) 54*32kB (UM) 40*64kB (UM) 9*128kB (UM) 2*256kB (U) 0*512kB 0*1024k=
B
0*2048kB 0*4096kB =3D 82804kB
=C3=BAno 13 18:10:27 argus kernel: Node 0 hugepages_total=3D0 hugepages=
_free=3D0
hugepages_surp=3D0 hugepages_size=3D2048kB
=C3=BAno 13 18:10:27 argus kernel: 1170782 total pagecache pages
=C3=BAno 13 18:10:27 argus kernel: 2872 pages in swap cache
=C3=BAno 13 18:10:27 argus kernel: Swap cache stats: add 111188, delete=
 108316, find
46841/51516
=C3=BAno 13 18:10:27 argus kernel: Free swap  =3D 15734048kB
=C3=BAno 13 18:10:27 argus kernel: Total swap =3D 16000736kB
=C3=BAno 13 18:10:27 argus kernel: 4181617 pages RAM
=C3=BAno 13 18:10:27 argus kernel: 0 pages HighMem/MovableOnly
=C3=BAno 13 18:10:27 argus kernel: 18446744073709207272 pages reserved
=C3=BAno 13 18:10:27 argus kernel: 418816 pages cma reserved
=C3=BAno 13 18:10:27 argus kernel: 0 pages hwpoisoned
=C3=BAno 13 18:10:27 argus kernel: kvm [2656]: vcpu0 unhandled rdmsr: 0=
x345
=C3=BAno 13 18:10:27 argus kernel: kvm [2656]: vcpu0 unhandled wrmsr: 0=
x40 data 0
=C3=BAno 13 18:10:27 argus kernel: kvm [2656]: vcpu0 unhandled wrmsr: 0=
x60 data 0
=C3=BAno 13 18:10:27 argus kernel: kvm [2656]: vcpu0 unhandled wrmsr: 0=
x41 data 0

=C3=BAno 13 18:10:27 argus kernel: Node 0 hugepages_total=3D0 hugepages=
_free=3D0
hugepages_surp=3D0 hugepages_size=3D2048kB
=C3=BAno 13 18:10:27 argus kernel: 1170782 total pagecache pages
=C3=BAno 13 18:10:27 argus kernel: 2872 pages in swap cache
=C3=BAno 13 18:10:27 argus kernel: Swap cache stats: add 111188, delete=
 108316, find
46841/51516
=C3=BAno 13 18:10:27 argus kernel: Free swap  =3D 15734048kB
=C3=BAno 13 18:10:27 argus kernel: Total swap =3D 16000736kB
=C3=BAno 13 18:10:27 argus kernel: 4181617 pages RAM
=C3=BAno 13 18:10:27 argus kernel: 0 pages HighMem/MovableOnly
=C3=BAno 13 18:10:27 argus kernel: 18446744073709207272 pages reserved
=C3=BAno 13 18:10:27 argus kernel: 418816 pages cma reserved
=C3=BAno 13 18:10:27 argus kernel: 0 pages hwpoisoned
=C3=BAno 13 18:10:27 argus kernel: kvm [2656]: vcpu0 unhandled rdmsr: 0=
x345
=C3=BAno 13 18:10:27 argus kernel: kvm [2656]: vcpu0 unhandled wrmsr: 0=
x40 data 0
=C3=BAno 13 18:10:27 argus kernel: kvm [2656]: vcpu0 unhandled wrmsr: 0=
x60 data 0
=C3=BAno 13 18:10:27 argus kernel: kvm [2656]: vcpu0 unhandled wrmsr: 0=
x41 data 0


and this :

=C3=BAno 13 18:28:00 argus kernel: ------------[ cut here ]------------
=C3=BAno 13 18:28:00 argus kernel: WARNING: CPU: 0 PID: 8969 at
arch/x86/kernel/cpu/perf_event_intel_ds.c:315 reserve_ds_buffers+0x394/=
0x3d0()
=C3=BAno 13 18:28:00 argus kernel: alloc_bts_buffer: BTS buffer allocat=
ion failure
=C3=BAno 13 18:28:00 argus kernel: Modules linked in: 8021q garp mrp vh=
ost_net vhost
macvtap macvlan xt_CHECKSUM iptable_mangle ipt_MASQUERADE
nf_nat_masquerade_ipv4 iptable_nat nf_nat_ipv4 nf_nat nf_conntrack_ipv4
nf_defrag_ipv4 xt_conntrack nf_conntrack ipt_REJECT nf_reject_ipv4 xt_t=
cpudp
tun bridge stp llc dm_mod ebtable_filter ebtables ip6table_filter ip6_t=
ables
iptable_filter ip_tables x_tables x86_pkg_temp_thermal intel_powerclamp
coretemp kvm_intel kvm crct10dif_pclmul crc32_pclmul crc32c_intel
ghash_clmulni_intel aesni_intel aes_x86_64 lrw gf128mul glue_helper abl=
k_helper
cryptd radeon i2c_algo_bit drm_kms_helper ttm drm snd_hda_codec_realtek
snd_hda_codec_generic snd_hda_codec_hdmi iTCO_wdt dcdbas iTCO_vendor_su=
pport
snd_hda_intel snd_hda_controller ehci_pci ehci_hcd snd_hda_codec therma=
l
tpm_tis video backlight
=C3=BAno 13 18:28:00 argus kernel:  xhci_pci xhci_hcd microcode tpm snd=
_hwdep
processor thermal_sys snd_pcm i2c_i801 i2c_core lpc_ich snd_timer mfd_c=
ore
button snd pcspkr sch_fq_codel ipv6
=C3=BAno 13 18:28:00 argus kernel: CPU: 0 PID: 8969 Comm: qemu-system-x=
86 Not
tainted 3.19.0-gentoo #2
=C3=BAno 13 18:28:00 argus kernel: Hardware name: Dell Inc. OptiPlex 90=
10/0M9KCM,
BIOS A19 08/18/2014
=C3=BAno 13 18:28:00 argus kernel:  ffffffff9d6ed918 000000009cac10c2
ffffffff9d6ed918 ffffffff9d5cdf0c
=C3=BAno 13 18:28:00 argus kernel:  ffff880153ab7aa0 ffffffff9d045fd7
0000000000000000 0000000000000000
=C3=BAno 13 18:28:00 argus kernel:  ffffffff9d80b7e0 0000000000000000
000000000000abc0 ffffffff9d046068
=C3=BAno 13 18:28:00 argus kernel: Call Trace:
=C3=BAno 13 18:28:00 argus kernel:  [<ffffffff9d5cdf0c>] ? dump_stack+0=
x47/0x67
=C3=BAno 13 18:28:00 argus kernel:  [<ffffffff9d045fd7>] ?
warn_slowpath_common+0x77/0xb0
=C3=BAno 13 18:28:00 argus kernel:  [<ffffffff9d046068>] ?
warn_slowpath_fmt+0x58/0x80
=C3=BAno 13 18:28:00 argus kernel:  [<ffffffff9d01b904>] ?
reserve_ds_buffers+0x394/0x3d0
=C3=BAno 13 18:28:00 argus kernel:  [<ffffffff9d01625f>] ?
x86_pmu_event_init+0x40f/0x420
=C3=BAno 13 18:28:00 argus kernel:  [<ffffffff9d0cb862>] ?
perf_init_event+0xf2/0x160
=C3=BAno 13 18:28:00 argus kernel:  [<ffffffff9d0cbc38>] ?
perf_event_alloc+0x368/0x420
=C3=BAno 13 18:28:00 argus kernel:  [<ffffffffc0b175c0>] ?
kvm_perf_overflow+0x30/0x30 [kvm]
=C3=BAno 13 18:28:00 argus kernel:  [<ffffffff9d0cc921>] ?
perf_event_create_kernel_counter+0x21/0x110
=C3=BAno 13 18:28:00 argus kernel:  [<ffffffffc0b1727a>] ?
reprogram_counter+0xda/0x140 [kvm]
=C3=BAno 13 18:28:00 argus kernel:  [<ffffffffc0b1736b>] ?
reprogram_fixed_counter+0x8b/0xa0 [kvm]
=C3=BAno 13 18:28:01 argus kernel:  [<ffffffffc0b17f99>] ?
kvm_handle_pmu_event+0x59/0xc0 [kvm]
=C3=BAno 13 18:28:01 argus kernel:  [<ffffffffc0af4c77>] ?
vcpu_enter_guest+0x2f7/0xc60 [kvm]
=C3=BAno 13 18:28:01 argus kernel:  [<ffffffff9d5d4fd0>] ? retint_kerne=
l+0x20/0x30
=C3=BAno 13 18:28:01 argus kernel:  [<ffffffffc0de23e0>] ? vmx_set_tsc_=
khz+0x50/0x50
[kvm_intel]
=C3=BAno 13 18:28:01 argus kernel:  [<ffffffffc0af9458>] ?
kvm_arch_vcpu_ioctl_run+0x1f8/0x490 [kvm]
=C3=BAno 13 18:28:01 argus kernel:  [<ffffffffc0aea1e8>] ?
kvm_vcpu_ioctl+0x338/0x5a0 [kvm]
=C3=BAno 13 18:28:01 argus kernel:  [<ffffffff9d07ca71>] ?
cpuacct_account_field+0x11/0x60
=C3=BAno 13 18:28:01 argus kernel:  [<ffffffff9d147748>] ? do_vfs_ioctl=
+0x308/0x510
=C3=BAno 13 18:28:01 argus kernel:  [<ffffffff9d06ce3f>] ?
vtime_account_user+0x3f/0x60
=C3=BAno 13 18:28:01 argus kernel:  [<ffffffff9d151423>] ? __fget+0x63/=
0xa0
=C3=BAno 13 18:28:01 argus kernel:  [<ffffffff9d147986>] ? SyS_ioctl+0x=
36/0x80
=C3=BAno 13 18:28:01 argus kernel:  [<ffffffff9d5d4558>] ? int_signal+0=
x12/0x17
=C3=BAno 13 18:28:01 argus kernel:  [<ffffffff9d5d4312>] ?
system_call_fastpath+0x12/0x17
=C3=BAno 13 18:28:01 argus kernel: ---[ end trace 57619b624d89e2e8 ]---

--=20
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