Avi Kivity wrote:
Farkas Levente wrote:
mandrake 9, 10 and winxp run but neither centos-5.1 i386 nor x86_64
are boot:-( i386 give a kernel panic x86_64 simple hang during boot.
Can you post the panic?
It's probably the 3Dnow! bug which is fixed for kvm-69.
unfortunately i can't
Akemi Yagi wrote:
On Wed, May 7, 2008 at 8:19 AM, Farkas Levente [EMAIL PROTECTED] wrote:
there is something wrong with the current packages in the testing repo:
-
# yum install --disablerepo=\* --enablerepo=c5-testing kvm kmod-kvm
hi,
while kvm-62 works for us kmv-64 is hang at random position and even if
it's start it's not able to login neither from net (can't connect) nor
from console (through virt-manager's vnc i can give root username but
after the password nothing happened). attached a screenshot of the boot
hang
Marcelo Tosatti wrote:
On Wed, Feb 27, 2008 at 11:12:03AM +0100, Farkas Levente wrote:
You can workaround these problems by using a different, less problematic
clocksource such as acpipm, until the TSC/migration issues are fully
resolved.
Add clocksource=acpi_pm to the kernel options.
than
Marcelo Tosatti wrote:
On Tue, Feb 26, 2008 at 02:38:59PM +0100, Farkas Levente wrote:
Farkas Levente wrote:
Izik Eidus wrote:
On Tue, 2008-02-26 at 12:58 +0100, Farkas Levente wrote:
Zhao, Yunfeng wrote:
Hi, all,
This is today's KVM test result against KVM62-RC2.
Two old issues fixed
Zhao, Yunfeng wrote:
Hi, all,
This is today's KVM test result against KVM62-RC2.
Two old issues fixed:
1. fc5/fc6/rhel5u1 no-acpi up guests can't boot on pae host
https://sourceforge.net/tracker/index.php?func=detailaid=1901208group_
id=180599atid=893831
2. Cannot boot 32bit smp
Izik Eidus wrote:
On Tue, 2008-02-26 at 12:58 +0100, Farkas Levente wrote:
Zhao, Yunfeng wrote:
Hi, all,
This is today's KVM test result against KVM62-RC2.
Two old issues fixed:
1. fc5/fc6/rhel5u1 no-acpi up guests can't boot on pae host
https://sourceforge.net/tracker/index.php?func
Farkas Levente wrote:
Izik Eidus wrote:
On Tue, 2008-02-26 at 12:58 +0100, Farkas Levente wrote:
Zhao, Yunfeng wrote:
Hi, all,
This is today's KVM test result against KVM62-RC2.
Two old issues fixed:
1. fc5/fc6/rhel5u1 no-acpi up guests can't boot on pae host
https://sourceforge.net
Avi Kivity wrote:
Farkas Levente wrote:
will be a new release in the near future? since many of us waiting for
this bug to be fixed on quad and other multi core cpus.
Certainly. Can you try out the attached patch?
thanks. it works!:-)))
we've been waiting for this in the last half
Avi Kivity wrote:
Farkas Levente wrote:
Avi Kivity wrote:
Farkas Levente wrote:
will be a new release in the near future? since many of us waiting for
this bug to be fixed on quad and other multi core cpus.
Certainly. Can you try out the attached patch?
thanks
Zhao, Yunfeng wrote:
Hi, all,
This is today's KVM test result against kvm.git
5ed49953ef3749de1198bc07cdf11339d8f74432 and kvm-userspace.git
e44dce6b8c8c8cf155223ba0e036bb4ace5071b1.
4. Cannot boot 32bit smp RHEL5.1 guest with nic on 64bit host
Avi Kivity wrote:
This restores live migration support which has been broken for a couple
of releases. Also, if you had Java problems please test kvm-56, as it
has some nx related permission fixes.
unfortunately 32bit centos guest still not be able to boot on 64bit host.
--
Levente
Izik Eidus wrote:
Farkas Levente wrote:
Avi Kivity wrote:
This restores live migration support which has been broken for a
couple of releases. Also, if you had Java problems please test
kvm-56, as it has some nx related permission fixes.
unfortunately 32bit centos guest still
hi,
after we test kvm-55 no regression found to kvm-54, but 32bit guest on a
64bit host still not working (but now the boot process hang earlier the
starting udev). another strange thing that win xp with 4vcpu guest still
see onlu one cpu inside the guest.
setup:
- host:
- Intel(R) Core(TM)2
hi,
we try kvm-54 and there are some prgress:-)
- mandrake-9 boot again (so now all guest are able to boot),
- 64bit centos-5 guest are running with smp,
- 32bit centos-5 guest are boot with smp for the first time, but if i
poweroff and start it again with 4vcpu then the boot hang at the usual
hi,
we made a quick try of kvm-53. in short there is no progress for us
(since we need the mandrake-9 i586 guest too) so switch back to kvm-36.
in detail:
- guest-1 smp guest are hang at starting udev
- guest-1 sinlge cpu boot.
- guest-2 both smp and single cpu guest boot.
- guest-3 neither smp
Izik Eidus wrote:
Farkas Levente wrote:
hi,
we made a quick try of kvm-53. in short there is no progress for us
(since we need the mandrake-9 i586 guest too) so switch back to kvm-36.
in detail:
- guest-1 smp guest are hang at starting udev
i am in search for this bug
it worked for you
Alexey Eremenko wrote:
Hi Levente!
Do you have a link where I can download Mandrake 9.0 ?
Because I don't have this version, and don't know where to get it.
ok. just to describe why we need it. our production servers run on
mandrake-9 and mandrake-10. it's about 6-700 server running in
Alexey Eremenko wrote:
OK, I have found that Mandrake Linux 9.0 works on Intel/x86-64 on KVM-51.
Does this help you for now ?
I will try to look further.
try with kvm-53! it do not even start to boot for me (actually i don't
remember for the kvm-51 result but it may be worked with kvm-51).
david ahern wrote:
Farkas Levente wrote:
anyway how should i've test noapic? qemu command line -noapic or guest
kernel param noapic or both?
Add 'noapic' to guest kernel boot options. I've been adding it for a while to
workaround a networking issue (see kvm-Bugs-1802082).
i know try
hi
while i try to boot our mandrake-9 single cpu 32 bit guest on our x86_64
host it always crash during kernel load. while in the host log i've got
such messages:
qemu-kvm[3155]: segfault at 2aa5a3e6 rip 004f2afd rsp
7fff4328a3e0 error 4
qemu-kvm[3197]: segfault at
Avi Kivity wrote:
Farkas Levente wrote:
david ahern wrote:
Can you post the full qemu command that gets launched in each case?
this is the current running one, the only difference when smp set is -smp 4:
root 3270 10.3 25.8 2213976 2111868 ? Sl 16:20 30:35
/usr/bin
Avi Kivity wrote:
Farkas Levente wrote:
Avi Kivity wrote:
Farkas Levente wrote:
first of all fully update your centos (a bit newer kernel), then i use
these packages:
http://www.lfarkas.org/linux/packages/centos/5/x86_64/
use libvirtd and virt-manager too and start the guests from
Avi Kivity wrote:
anyway it'd be useful to if i can see which version of the userspace
running ie. give a short message into the stslog on the host about the
userspace version may be even a warning in case of the kmod and the
userspace version are different, but currently that's all:
Alexey Eremenko wrote:
Hi Levente !
The only idea that I have for you is to: Try to run KVM on newer kernel.
(2.6.21+)
I did all of what you said on Fedora 7/x64 host (2.6.21 default kernel)
and it all worked ! (except Mandrake 9.0, which I don't have)
that's exactly which i'm not really
Izik Eidus wrote:
On Mon, 2007-11-12 at 16:29 +0100, Farkas Levente wrote:
Avi Kivity wrote:
Small fixes and updates.
Changes from kvm-51:
- fix efer reload host crash on T2600 and similar processors
- revert sleepy interrupt injection
- fixes Fault when IDT_Vectoring
- atomically
c -hda
/dev/VolGroup00/mandrake-root -hdb /dev/VolGroup00/mandrake-swap -net
nic,macaddr=00:16:3e:37:68:fd,vlan=0 -net tap,fd=18,script=,vlan=0 -usb
-vnc 127.0.0.1:2
david
Farkas Levente wrote:
Izik Eidus wrote:
On Mon, 2007-11-12 at 17:07 +0100, Farkas Levente wrote:
Izik Eidus wrote
Avi Kivity wrote:
Farkas Levente wrote:
first of all fully update your centos (a bit newer kernel), then i use
these packages:
http://www.lfarkas.org/linux/packages/centos/5/x86_64/
use libvirtd and virt-manager too and start the guests from there. and
start them manually paralell (i used
in this case.
david
Farkas Levente wrote:
david ahern wrote:
Can you post the full qemu command that gets launched in each case?
this is the current running one, the only difference when smp set is -smp 4:
root 3270 10.3 25.8 2213976 2111868 ? Sl 16:20 30:35
/usr/bin/qemu
Avi Kivity wrote:
Farkas Levente wrote:
Avi Kivity wrote:
If you're having trouble on AMD systems, please try this out.
this version worse than kvm-50:-(
setup:
- host:
- Intel(R) Core(TM)2 Quad CPU Q6600 @ 2.40GHz
- Intel S3000AHV
- 8GB RAM
- CentOS-5
- kernel
Avi Kivity wrote:
david ahern wrote:
In RHEL 5.1 linux/notifier.h defines:
#define CPU_TASKS_FROZEN0x0010
#define CPU_ONLINE_FROZEN (CPU_ONLINE | CPU_TASKS_FROZEN)
#define CPU_DEAD_FROZEN (CPU_DEAD | CPU_TASKS_FROZEN)
which means in kvm-51/kernel/external-module-compat.h the
Avi Kivity wrote:
Farkas Levente wrote:
With that change, kvm-51 compiles. I am still seeing 32-bit SMP guests
hang on boot for both 32-bit and 64-bit hosts (again running RHEL5.1).
I still don't. Can you test the attached patch?
can you tell us which cpu, memory, host
Avi Kivity wrote:
If you're having trouble on AMD systems, please try this out.
this version worse than kvm-50:-(
setup:
- host:
- Intel(R) Core(TM)2 Quad CPU Q6600 @ 2.40GHz
- Intel S3000AHV
- 8GB RAM
- CentOS-5
- kernel-2.6.18-8.1.14.el5 x86_64 64bit
- guest-1:
- CentOS-5
-
to be an issue with the host
kernel.
david
Farkas Levente wrote:
Avi Kivity wrote:
If you're having trouble on AMD systems, please try this out.
this version worse than kvm-50:-(
setup:
- host:
- Intel(R) Core(TM)2 Quad CPU Q6600 @ 2.40GHz
- Intel S3000AHV
- 8GB RAM
- CentOS-5
hi,
it seems the latest kvm-50 working with smp both with 32 and 64 bit
centos-5 are now running (ie not crash), what's more it's even working
if i trun back (ie on) acpi. but it seems much more slower with 2 guests
4 vcpu then kvm-36 with 2 guests single cpu. is so much slower then it
can be
Avi Kivity wrote:
Farkas Levente wrote:
hi,
it seems the latest kvm-50 working with smp both with 32 and 64 bit
centos-5 are now running (ie not crash), what's more it's even working
if i trun back (ie on) acpi. but it seems much more slower with 2 guests
4 vcpu then kvm-36 with 2 guests
Avi Kivity wrote:
Farkas Levente wrote:
Avi Kivity wrote:
Farkas Levente wrote:
hi,
it seems the latest kvm-50 working with smp both with 32 and 64 bit
centos-5 are now running (ie not crash), what's more it's even working
if i trun back (ie on) acpi. but it seems much more slower
Farkas Levente wrote:
Laurent Vivier wrote:
Farkas Levente a écrit :
Farkas Levente wrote:
Avi Kivity wrote:
kvm-47 had a host memory corruption bug when setting the guest pte
dirty bit, so here's kvm-48 with a fix.
Note that guest time accounting, below, will only work with Linux
2.6.24
Farkas Levente wrote:
Avi Kivity wrote:
kvm-47 had a host memory corruption bug when setting the guest pte dirty
bit, so here's kvm-48 with a fix.
Note that guest time accounting, below, will only work with Linux 2.6.24+.
smp guests still not working with kvm-48:-( i can't image what
Laurent Vivier wrote:
Farkas Levente a écrit :
Farkas Levente wrote:
Avi Kivity wrote:
kvm-47 had a host memory corruption bug when setting the guest pte
dirty bit, so here's kvm-48 with a fix.
Note that guest time accounting, below, will only work with Linux
2.6.24+.
smp guests still
Avi Kivity wrote:
We've now switched to allocating guest memory in userspace rather than
in the kernel. This is important if you have a mainframe, but also if
you want to share memory between guests and implement nice features like
swapping.
Changes since kvm-45:
- fix host oops on bad
Farkas Levente wrote:
Avi Kivity wrote:
We've now switched to allocating guest memory in userspace rather than
in the kernel. This is important if you have a mainframe, but also if
you want to share memory between guests and implement nice features like
swapping.
Changes since kvm-45
Avi Kivity wrote:
Farkas Levente wrote:
Avi Kivity wrote:
We've now switched to allocating guest memory in userspace rather than
in the kernel. This is important if you have a mainframe, but also if
you want to share memory between guests and implement nice features like
swapping
Avi Kivity wrote:
We've now switched to allocating guest memory in userspace rather than
in the kernel. This is important if you have a mainframe, but also if
you want to share memory between guests and implement nice features like
swapping.
we did a quick test against this version and it's
Avi Kivity wrote:
Farkas Levente wrote:
Avi Kivity wrote:
We've now switched to allocating guest memory in userspace rather than
in the kernel. This is important if you have a mainframe, but also if
you want to share memory between guests and implement nice features like
swapping
Avi Kivity wrote:
Farkas Levente wrote:
we did a quick test against this version and it's turn out the smp
guests are still not working. even if we start only one linux guest
with
4cpu on 4cpu host the guest kernel hangs at random stages of the kernel
loading process (if we run more smp
Dong, Eddie wrote:
[EMAIL PROTECTED] wrote:
hi,
i'm just try kvm-45. for me it still unusable, so switch back
to kvm-36:-(
setup:
- host: centos-5 x86-64 (4 core, 8gb ram)
- guest:
- centos-5 i386 4 cpu, 2gb
- centos-5 x86-64 4 cpu, 1gb
- mandrake-9 i586 2 cpu, 1gb
- winxp 32bit
Avi Kivity wrote:
Zhao, Yunfeng wrote:
We run some booting multiple guest tests in our nightly testing.
Like booting two UP windows guests, booting one UP linux guest and one UP
windows guest, and booting 4 UP linux guests.
The first two cases have no problem in our testing.
And booting 4
Avi Kivity wrote:
Farkas Levente wrote:
Avi Kivity wrote:
Zhao, Yunfeng wrote:
We run some booting multiple guest tests in our nightly testing.
Like booting two UP windows guests, booting one UP linux guest and one UP
windows guest, and booting 4 UP linux guests.
The first two
hi,
what's the real reason that kvm can't be compiled gcc-4.x?
wouldn't it be better to be able to compile with the current compilers too?
SourceForge.net wrote:
Bugs item #1807620, was opened at 2007-10-04 18:25
Message generated for change (Tracker Item Submitted) made by Item Submitter
You
Gregory Haskins wrote:
On Thu, 2007-10-04 at 18:33 +0200, Farkas Levente wrote:
hi,
what's the real reason that kvm can't be compiled gcc-4.x?
wouldn't it be better to be able to compile with the current compilers too?
Its actually an issue with QEMUs cpu emulation code. It takes advantage
Gregory Haskins wrote:
On Thu, 2007-10-04 at 19:27 +0200, Farkas Levente wrote:
ok but now as qemu code was imported into kvm, then it's probably would
be better to witch gcc-4.x?
Sure. Are you volunteering? ;) I'm sure both upstream QEMU developers,
KVM developers, and the community
hi,
after i try to merge centos and fedora kvm-36 spec files and patches
(ethernet qemu fix etc) and start the guests on the new kvm host the
guest install. the only thing what i got in qemu vnc window:
serial0 console
so the guest not even start to boot.
anybody has any tip?
may be the bios
Daniel P. Berrange wrote:
A Fedora user reported that Vista networking isn't working with KVM[1] and
pointed to the Wiki
http://kvm.qumranet.com/kvmwiki/Vista_Networking_Workaround
FYI, a patch from Xen was merged into upstream QEMU to fix this problem
with rtl8139 a week or two back
Avi Kivity wrote:
Farkas Levente wrote:
Avi Kivity wrote:
Haydn Solomon wrote:
I know I'm not crazy.. now my host and guest clocks are in sync. I'll
leave the guest running for a while and see if it eventually goes
ahead of host.
Please do this both with and without
Avi Kivity wrote:
this means it's better to run ntpd on all guests even if it's running on
the host:-((
I think there are issues with running ntp on the guest due to tsc being
very inaccurate on virtualized guests.
does this means itás not possible to run a guest with accurate time?
--
hi,
there is a strange thing which is just noticed. on our kvm host there is
a ntpd running and synchronize to some time server and it's time is
valid. so i decided that i won't run ntpd on the guest vms since if the
host has the right time probably the guest see the same time. but that's
not the
Avi Kivity wrote:
Farkas Levente wrote:
Avi Kivity wrote:
An important fix to guest smp (it boots now!), and a performance
improvement on Intel hardware. I get about 5% boost on a kernel build.
There's a new module parameter to kvm-intel.ko that can disable this
mechanism
Avi Kivity wrote:
Farkas Levente wrote:
Avi Kivity wrote:
Farkas Levente wrote:
Avi Kivity wrote:
An important fix to guest smp (it boots now!), and a performance
improvement on Intel hardware. I get about 5% boost on a kernel
build.
There's a new module parameter
hi,
it seems we've got a real tester:-) for ma all of the bellow are serious
bugs (tomorrow i'll try to send more detail of our host crash too) and
imho the latest 'stable' version was kvm-36. wouldn't be better to
postpone all patches and infrastructure changes (virtio and others)
until these
Avi Kivity wrote:
An important fix to guest smp (it boots now!), and a performance
improvement on Intel hardware. I get about 5% boost on a kernel build.
There's a new module parameter to kvm-intel.ko that can disable this
mechanism, bypass_guest_pf. Load the module with
Avi Kivity wrote:
For those of you who would like to assist in testing without waiting for
the next release, yet are uncomfortable with git, I've made available
daily development snapshots of kvm in
http://people.qumranet.com/avi/snapshots/
If you report a bug in a snaphot, please
Avi Kivity wrote:
Farkas Levente wrote:
Avi Kivity wrote:
For those of you who would like to assist in testing without waiting for
the next release, yet are uncomfortable with git, I've made available
daily development snapshots of kvm in
http://people.qumranet.com/avi/snapshots
Dor Laor wrote:
Haydn Solomon wrote:
I have a question on guest smp performance. If I have a host with core
2 duo, should a kvm guest perform better using -smp 2 as opposed to
not using -smp 2?
Well, it depends:
In general Avi measured 40% performance increase for using a second cpu
in the
Luca wrote:
On 9/20/07, Farkas Levente [EMAIL PROTECTED] wrote:
Dor Laor wrote:
Haydn Solomon wrote:
I have a question on guest smp performance. If I have a host with core
2 duo, should a kvm guest perform better using -smp 2 as opposed to
not using -smp 2?
Well, it depends:
In general
hi,
with kvm-40 in a x86_64 host bridged mode:
---
e1000: peth0: e1000_watchdog_task: NIC Link is Up 100 Mbps Full Duplex
e1000: peth0: e1000_watchdog_task: 10/100 speed: disabling TSO
---
while on the guests (both x86_64 and i386) are full with such
hi,
kvm-41 crash the host after i start the guests (in 30 sec). both if i
give more cpus to the guest, or even if i give only one cpu per guest.
the host console are full with:
do_page_fault
do_page_fault
error_exit
do_page_fault
do_page_fault
error_exit
do_trap
do_invalid_op
sysret_check
Avi Kivity wrote:
Farkas Levente wrote:
hi,
kvm-41 crash the host after i start the guests (in 30 sec). both if i
give more cpus to the guest, or even if i give only one cpu per guest.
the host console are full with:
What host kernel? i386 or x86_64?
host: centos-5 x86_64,
guests
Avi Kivity wrote:
Farkas Levente wrote:
Avi Kivity wrote:
Farkas Levente wrote:
hi,
kvm-41 crash the host after i start the guests (in 30 sec). both if i
give more cpus to the guest, or even if i give only one cpu per guest.
the host console are full with:
What host
i've try kvm-40 it now on centos-5 with kernel-2.6.18-8.1.10.el5 x86_64
host (8gb ram and 4 core) and one centos-5 x86_64, centos-5 i386,
mandrake i586 guests. i try to give 4 cpu for the first 2 guest and 1
cpu for the last. after i start these 3 guests the host kernel crash all
the time after
Dor Laor wrote:
i've try kvm-40 it now on centos-5 with kernel-2.6.18-8.1.10.el5 x86_64
host (8gb ram and 4 core) and one centos-5 x86_64, centos-5 i386,
mandrake i586 guests. i try to give 4 cpu for the first 2 guest and 1
cpu for the last. after i start these 3 guests the host kernel crash
Dor Laor wrote:
i've try kvm-40 it now on centos-5 with kernel-2.6.18-8.1.10.el5 x86_64
host (8gb ram and 4 core) and one centos-5 x86_64, centos-5 i386,
mandrake i586 guests. i try to give 4 cpu for the first 2 guest and 1
cpu for the last. after i start these 3 guests the host kernel crash
here's the console of x86_64 during the startap and where it's hang:-(
Farkas Levente wrote:
i've try kvm-40 it now on centos-5 with kernel-2.6.18-8.1.10.el5 x86_64
host (8gb ram and 4 core) and one centos-5 x86_64, centos-5 i386,
mandrake i586 guests. i try to give 4 cpu for the first 2 guest
On Vas, Szeptember 9, 2007 09:48, Avi Kivity wrote:
kvm is too new to have been included in RHEL 5. The enterprise distros
have a long lead time where the technology is tested and fixed, they
don't pick the latest kernel off kernel.org and ship it the next day. I
think RHEL 5 is based on
Avi Kivity wrote:
Fernando Cassia wrote:
Point #1:
I just wish someone had thought more about the name before selecting
KVM ... because Sun has been using KVM (the K Virtual Machine) for
its Java VM for embedded devices for some time. This just causes
confusion on web searches...
The
hi,
in the last 2 weeks we play a lot with our new server which we but to a
our virtual server for the development and collect some very subjective
experience. we use kvm and virt-manager, but sometimes i'm not really
sure about the whether it's kvm or virt-manager problem so i collect
them
Luca wrote:
On 9/8/07, Farkas Levente [EMAIL PROTECTED] wrote:
kvm is not ready for production use for many reason:
it can't reboot which imho a very basic feature, what's more can't even
shutdown/poweroff. the centos i386 guest are not able to shutdown on the
x86_64 host (strange the x86_64
Anthony Liguori wrote:
the host see as i've 4 cpu. i've got a change to gives more cpu to the
guest, what's more they starts, but after a few minutes running the
system crash. not just the guest os but the host os crash without any
kind of info, log or any useful info what was the cause of it,
hi,
i've got a centos-5 x86_64 kvm-35 host system with one centos-5 i386 and
one x86_64 guests. but none of the guest are able to restart. ie. i
login to the guests and restart it. it start's as normal reboot, but
after the last command (shuting down md device) it's do nothing, but in
virt-manager
Luca wrote:
On 9/3/07, Farkas Levente [EMAIL PROTECTED] wrote:
hi,
i've got a centos-5 x86_64 kvm-35 host system with one centos-5 i386 and
one x86_64 guests. but none of the guest are able to restart. ie. i
login to the guests and restart it. it start's as normal reboot, but
after the last
Gregory Haskins wrote:
On Wed, 2007-08-15 at 11:07 +0300, Avi Kivity wrote:
Farkas Levente wrote:
this rise another question if swapping will be used the it moves the
guest memory to the guest's swap or the host's swap? if to the host's
swap then this implies i should have to allocate large
hi,
i try to setup a centos host server with kvm and a few guest os for the
first time. imho there is only a very limited docs about kvm (even if i
try to read them:-). so there are a few general questions:
- which is the recommended host config?:
- should i used x86_64 or i386 host kernel? i
hi,
first of all thanks for the quick reply!
Avi Kivity wrote:
Farkas Levente wrote:
- i read in faq 3.6:
for the host. 1GB is probably a minimum configuration for the host
OS.
does this means i have to reserve 1GB for the host os?
No. That is the total amount of RAM
Avi Kivity wrote:
There are two answers to this:
- balloon driver (like in Xen) which allows the host to move memory from
one guest to another (or from host to guest)
- swapping, which allows the host to move guest memory to disk and
allocate it to another guest
Unfortunately the balloon
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