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Hello=0D=0A=0D=0A=0D=0A=0D=0Ain var log messages i get following :=0D=0A=0D=
=0A=0D=0A=0D=0Akernel: XFS: possible memory allocation deadlock in kmem_a=
lloc (mode:0x250)=0D=0A=0D=0A=0D=0A=0D=0AI have this problem on 4 differe=
nt hosts.=0D=0A=0D=0A=0D=0A=0D=0AThis happens during copying files from n=
etwork to a thin provisioned disk, no problems with preallocated disks.=0D=
=0A=0D=0A=0D=0A=0D=0AThanks=0D=0A=0D=0AWolfgang=0D=0A=0D=0A=0D=0A=0D=0A--=
---Urspr=C3=BCngliche Nachricht-----=0D=0AVon: Michal Skrivanek=C2=A0<mic=
hal.skrivanek(a)redhat.com>=0D=0AGesendet: Die 23 August 2016 17:11=0D=0AAn=
: Wolfgang Bucher <wolfgang.bucher(a)netland-mn.de>=0D=0ACC: Milan Zamazal =
<mzamazal(a)redhat.com>; users(a)ovirt.org (users(a)ovirt.org) <users(a)ovirt.org=
=0D=0ABetreff: Re: [ovirt-users] Problem starting
VMs=0D=0A=0D=0A=0D=0AO=
n 23 Aug 2016, at 11:06, Wolfgang Bucher
<wolfgang.bucher(a)netland-mn.de <=
mailto:wolfgang.bucher@netland-mn.de> > wrote:=0D=0A=0D=0AThank's=0D=0A=0D=
=0Abut what do you mean with "initialization is finished=E2=80=9D=0D=0A=0D=
=0Auntil it gets from WaitForLaunch to PoweringUp state, effectively unti=
l the qemu process properly starts up=0D=0A=0D=0A=0D=0Asometimes the vm c=
rashes while copying files!=0D=0A=0D=0Awhen exactly=3F Can you describe e=
xactly what you are doing and what is reported as a reason for crash. Whe=
n exactly does it crash and how=3F=0D=0A=0D=0AThanks,=0D=0Amichal=0D=0A=0D=
=0A=0D=0A=0D=0A=0D=0AWolfgang=0D=0A=0D=0A=0D=0A-----Urspr=C3=BCngliche Na=
chricht-----=0D=0AVon: Milan Zamazal=C2=A0<mzamazal(a)redhat.com <mailto:mz=
amazal(a)redhat.com> >=0D=0AGesendet: Die 23 August 2016 16:59=0D=0AAn: Wol=
fgang Bucher <wolfgang.bucher(a)netland-mn.de <mailto:wolfgang.bucher@netla=
nd-mn.de> >=0D=0ACC: users(a)ovirt.org <mailto:users@ovirt.org> (users@ovir=
t.org <mailto:users@ovirt.org> ) <users(a)ovirt.org <mailto:users@ovirt.org=
>=0D=0ABetreff: Re: AW: Problem starting
VMs=0D=0A=0D=0A=0D=0AWolfgang =
Bucher <wolfgang.bucher(a)netland-mn.de
<mailto:wolfgang.bucher@netland-mn.=
de> > writes:=0D=0A=0D=0A> the problem is "waiting for launch" takes up
t=
o 20 min.=0D=0A>=0D=0A>=0D=0A> I did a lot of tests with some vm's and th=
problem is:=0D=0A>=0D=0A>=0D=0A> 1.=C2=A0 create a win2012 server=0D=0A>=
=0D=0A> 2. attache a new disk (thin provision)=0D=0A>=0D=0A> 3. fill the =
disk from network share with about 100G=0D=0A>=0D=0A> 4. shutdown the vm=0D=
=0A>=0D=0A> 5. reboot host and try starting the vm (takes a lot of time u=
ntil launch)=0D=0A>=0D=0A>=0D=0A>=0D=0A> It's because of a high
fragmente=
d filessystem=20=0D=0A=0D=0AI see, thank you for the explanation. In suc=
h a case, it may take a lot=0D=0Aof time before all the initialization is=
finished.=0D=0A=0D=0ARegards,=0D=0AMilan=0D=0A=0D=0A____________________=
___________________________=0D=0AUsers mailing list=0D=0AUsers(a)ovirt.org =
<mailto:Users@ovirt.org>=20=0D=0Ahttp://lists.ovirt.org/mailman/listinfo/=
users=0D=0A=0D=0A
--=_QV6LI6UZRcAokOAacyo2lZVUQloYIa8sREKAkSzjd-bHX7Yk
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://ww=
w.w3.org/TR/html4/loose.dtd"><html>=0A<head>=0A <meta
name=3D"Generator"=
content=3D"Zarafa WebApp v7.2.4-28">=0A <meta
http-equiv=3D"Content-Typ=
e" content=3D"text/html; charset=3Dutf-8">=0A <title>AW:
[ovirt-users] P=
roblem starting VMs</title>=0A</head>=0A<body>=0A<p
style=3D"padding: 0; =
margin: 0;"><span style=3D"font-size: 12pt; font-family:
tahoma,arial,hel=
vetica,sans-serif;">Hello<br /></span></p>=0A<p
style=3D"padding: 0; marg=
in: 0;"><span style=3D"font-size: 12pt; font-family:
tahoma,arial,helveti=
ca,sans-serif;"><br /></span></p>=0A<p style=3D"padding:
0; margin: 0;"><=
span style=3D"font-size: 12pt; font-family: tahoma,arial,helvetica,sans-s=
erif;">in var log messages i get following :<br
/></span></p>=0A<p style=3D=
"padding: 0; margin: 0;"><span style=3D"font-size: 12pt; font-family:
tah=
oma,arial,helvetica,sans-serif;"><br /></span></p>=0A<p
style=3D"padding:=
0; margin: 0;"><span style=3D"font-size: 12pt; font-family:
tahoma,arial=
,helvetica,sans-serif;">kernel: XFS: possible memory allocation deadlock =
in kmem_alloc (<a href=3D"mode:0x250">mode:0x250</a>)<br
/></span></p>=0A=
<p style=3D"padding: 0; margin: 0;"><span style=3D"font-size:
12pt; font-=
family: tahoma,arial,helvetica,sans-serif;"><br
/></span></p>=0A<p style=3D=
"padding: 0; margin: 0;"><span style=3D"font-size: 12pt; font-family:
tah=
oma,arial,helvetica,sans-serif;">I have this problem on 4 different hosts=
=2E<br /></span></p>=0A<p style=3D"padding: 0; margin:
0;"><span style=3D=
"font-size: 12pt; font-family: tahoma,arial,helvetica,sans-serif;"><br
/>=
</span></p>=0A<p style=3D"padding: 0; margin: 0;"><span
style=3D"font-siz=
e: 12pt; font-family: tahoma,arial,helvetica,sans-serif;">This happens du=
ring copying files from network to a thin provisioned disk, no problems w=
ith preallocated disks.<br /></span></p>=0A<p style=3D"padding:
0; margin=
: 0;"><span style=3D"font-size: 12pt; font-family:
tahoma,arial,helvetica=
,sans-serif;"><br /></span></p>=0A<p style=3D"padding:
0; margin: 0;"><sp=
an style=3D"font-size: 12pt; font-family: tahoma,arial,helvetica,sans-ser=
if;">Thanks<br /></span></p>=0A<p style=3D"padding: 0;
margin: 0;"><span =
style=3D"font-size: 12pt; font-family: tahoma,arial,helvetica,sans-serif;=
">Wolfgang<br /></span></p>=0A<p style=3D"padding: 0;
margin: 0;"><span s=
tyle=3D"font-size: 12pt; font-family: tahoma,arial,helvetica,sans-serif;"=
<br /></span></p>=0A<blockquote
style=3D"border-left: 2px solid #325FBA;=
padding-left: 5px; margin: 0px
5px;"><span style=3D"font-family: tahoma,=
arial,helvetica,sans-serif; font-size: 10pt;">-----Ursprüngliche Nac=
hricht-----<br /><span><strong>Von:</strong> Michal
Skrivanek <mi=
chal.skrivanek(a)redhat.com&gt;</span><br
/><span><strong>Gesendet:</strong=
Die 23 August 2016 17:11</span><br
/><span><strong>An:</strong> Wolfgan=
g Bucher
&lt;wolfgang.bucher(a)netland-mn.de&gt;</span><br
/><span><strong>=
CC:</strong> Milan Zamazal &lt;mzamazal(a)redhat.com&gt;; users(a)ovirt.org (=
users(a)ovirt.org) &lt;users(a)ovirt.org&gt;</span><br
/><span><strong>Betref=
f:</strong> Re: [ovirt-users] Problem starting VMs</span><br /><br
/></sp=
an><!-- begin sanitized html -->=0A<div
class=3D"bodyclass"><br class=3D"=
" />=0A<div>=0A<blockquote class=3D"">=0A<div
class=3D"">On 23 Aug 2016, =
at 11:06, Wolfgang Bucher <<a href=3D"mailto:wolfgang.bucher@netland-m=
n.de" target=3D"_blank" title=3D"Der externe Link wird in einem neuen
Fen=
ster ge&ouml;ffnet">wolfgang.bucher(a)netland-mn.de</a>&gt;
wrote:</div>=0A=
<br class=3D"Apple-interchange-newline" />=0A<div
class=3D"">=0A<div clas=
s=3D"">=0A<div class=3D"" style=3D"padding: 0px; margin:
0px;"><span clas=
s=3D"" style=3D"font-size: 12pt; font-family: tahoma,arial,helvetica,sans=
-serif;">Thank's<br class=3D""
/></span></div>=0A<div class=3D"" style=3D=
"padding: 0px; margin: 0px;"><span class=3D""
style=3D"font-size: 12pt; f=
ont-family: tahoma,arial,helvetica,sans-serif;"><br class=3D""
/></span><=
/div>=0A<div class=3D"" style=3D"padding: 0px; margin:
0px;"><span class=3D=
"" style=3D"font-size: 12pt; font-family: tahoma,arial,helvetica,sans-ser=
if;">but what do you mean with "</span><span class=3D""
style=3D"font-siz=
e: 12pt;">initialization is
finished”</span></div>=0A</div>=0A</div=
=0A</blockquote>=0A<div><br class=3D""
/></div>=0Auntil it gets from Wai=
tForLaunch to PoweringUp state,
effectively until the qemu process proper=
ly starts up</div>=0A<div><br class=3D"" />=0A<blockquote
class=3D"">=0A<=
div class=3D"">=0A<div class=3D"">=0A<div
class=3D"" style=3D"padding: 0p=
x; margin: 0px;"><span class=3D"" style=3D"font-size:
12pt;"><br class=3D=
"" /></span></div>=0A<div class=3D""
style=3D"padding: 0px; margin: 0px;"=
<span class=3D"" style=3D"font-size:
12pt;">sometimes the vm crashes whi=
le copying files!<br
class=3D""
/></span></div>=0A</div>=0A</div>=0A</blo=
ckquote>=0A<div><br class=3D"" /></div>=0Awhen exactly=3F
Can you describ=
e exactly what you are doing and what is reported as a reason for crash. =
When exactly does it crash and how=3F</div>=0A<div><br class=3D""
/></div=
=0A<div>Thanks,</div>=0A<div>michal</div>=0A<div><br
class=3D"" />=0A<bl=
ockquote class=3D"">=0A<div
class=3D"">=0A<div class=3D"">=0A<div class=3D=
"" style=3D"padding: 0px; margin: 0px;"><span
class=3D"" style=3D"font-si=
ze: 12pt;"><br class=3D"" /></span></div>=0A<div
class=3D"" style=3D"padd=
ing: 0px; margin: 0px;"><span class=3D"" style=3D"font-size:
12pt;"><br c=
lass=3D"" /></span></div>=0A<div class=3D""
style=3D"padding: 0px; margin=
: 0px;"><span class=3D"" style=3D"font-size:
12pt;"><br class=3D"" /></sp=
an></div>=0A<div class=3D"" style=3D"padding: 0px; margin:
0px;"><span cl=
ass=3D"" style=3D"font-size: 12pt;">Wolfgang<br
class=3D"" /></span></div=
=0A<div class=3D"" style=3D"padding: 0px; margin:
0px;"><span class=3D""=
style=3D"font-size: 12pt;
font-family: tahoma,arial,helvetica,sans-serif=
;"><br class=3D"" /></span></div>=0A<div
class=3D"" style=3D"padding: 0px=
; margin: 0px;"><span class=3D"" style=3D"font-size: 12pt;
font-family: t=
ahoma,arial,helvetica,sans-serif;"><br class=3D""
/></span></div>=0A<bloc=
kquote class=3D"" style=3D"border-left: 2px solid #325FBA; padding-left: =
5px; margin: 0px 5px;"><span class=3D"" style=3D"font-family:
tahoma,aria=
l,helvetica,sans-serif; font-size: 10pt;">-----Ursprüngliche Nachric=
ht-----<br class=3D"" /><span class=3D""><strong
class=3D"">Von:</strong>=
Milan Zamazal <<a href=3D"mailto:mzamazal@redhat.com"
target=3D"=
_blank" title=3D"Der externe Link wird in einem neuen Fenster geöffn=
et">mzamazal(a)redhat.com</a>&gt;</span><br class=3D""
/><span class=3D""><=
strong class=3D"">Gesendet:</strong> Die 23 August 2016
16:59</span><br c=
lass=3D"" /><span class=3D""><strong
class=3D"">An:</strong> Wolfgang Buc=
her <<a href=3D"mailto:wolfgang.bucher@netland-mn.de"
target=3D"_blank=
" title=3D"Der externe Link wird in einem neuen Fenster
geöffnet">wo=
lfgang.bucher(a)netland-mn.de</a>&gt;</span><br class=3D""
/><span class=3D=
""><strong class=3D"">CC:</strong> <a
href=3D"mailto:users@ovirt.org" tar=
get=3D"_blank" title=3D"Der externe Link wird in einem neuen Fenster
ge&o=
uml;ffnet">users(a)ovirt.org</a> (<a
href=3D"mailto:users@ovirt.org" target=
=3D"_blank" title=3D"Der externe Link wird in einem neuen Fenster
geö=
;ffnet">users(a)ovirt.org</a>) <<a
href=3D"mailto:users@ovirt.org" targe=
t=3D"_blank" title=3D"Der externe Link wird in einem neuen Fenster
ge&oum=
l;ffnet">users(a)ovirt.org</a>&gt;</span><br class=3D""
/><span class=3D"">=
<strong class=3D"">Betreff:</strong> Re: AW: Problem starting
VMs</span><=
br class=3D"" /><br class=3D"" /></span>=0A<div
class=3D"">=0A<pre class=3D=
"" style=3D"white-space: pre-wrap; word-wrap: break-word;">Wolfgang
Buche=
r <<a href=3D"mailto:wolfgang.bucher@netland-mn.de"
target=3D"_blank" =
title=3D"Der externe Link wird in einem neuen Fenster
geöffnet">wolf=
gang.bucher(a)netland-mn.de</a>&gt; writes:<br class=3D"" /><br
class=3D"" =
/>> the problem is "waiting for launch" takes up to 20 min.<br
class=3D=
"" />><br class=3D"" />><br
class=3D"" />> I did a lot of tests =
with some vm's and th problem is:<br class=3D"" />><br
class=3D"" />&g=
t;<br class=3D"" />> 1. create a win2012 server<br
class=3D"" />=
><br class=3D"" />> 2. attache a new disk (thin
provision)<br class=
=3D"" />><br class=3D"" />> 3. fill the disk
from network share wit=
h about 100G<br class=3D"" />><br class=3D""
/>> 4. shutdown the vm=
<br class=3D"" />><br class=3D"" />> 5.
reboot host and try startin=
g the vm (takes a lot of time until launch)<br class=3D"" />><br
class=
=3D"" />><br class=3D"" />><br
class=3D"" />> It's because of a =
high fragmented filessystem <br class=3D"" /><br class=3D""
/>I see, than=
k you for the explanation. In such a case, it may take a lot<br class=3D=
"" />of time before all the initialization is finished.<br
class=3D"" /><=
br class=3D"" />Regards,<br class=3D"" />Milan<br
class=3D"" /></pre>=0A<=
/div>=0A</blockquote>=0A</div>=0A________________________________________=
_______<br class=3D"" />Users mailing list<br class=3D""
/><a href=3D"mai=
lto:Users@ovirt.org" target=3D"_blank" title=3D"Der externe Link wird
in =
einem neuen Fenster ge&ouml;ffnet">Users(a)ovirt.org</a><br
class=3D"" />ht=
tp://lists.ovirt.org/mailman/listinfo/users<br class=3D""
/></div>=0A</bl=
ockquote>=0A</div>=0A<br class=3D"" /></div>=0A<!-- end
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