On Wed, Sep 29, 2010 at 7:21 AM, Jens Axboe jax...@fusionio.com wrote:
I think we need to find the real fix here, just disabling merging
is not a fix (it's just a nasty work-around for the real bug).
Jens,
Do you have an idea which parts of the code are buggy?
--
Cheers,
//richard
On Thu, Oct 14, 2010 at 3:14 PM, Tejun Heo hte...@gmail.com wrote:
Hello,
Can you please try this one then? It seems to work here but I can't
reproduce the original problem reliably so I'm not really sure.
Thanks.
diff --git a/arch/um/drivers/ubd_kern.c b/arch/um/drivers/ubd_kern.c
index
On Mon, Nov 22, 2010 at 12:06 PM, Nico Rittner nritt...@cs.atlas-brb.de wrote:
immediately segfault with con0=tty:/dev/tty10
Calling UML with con0=tty:/dev/tty10 immediately
leads to segfault.
uml : ~ $ bin/image initrd=bin/initrd init=/linuxrc mem=256M
umid=app.dev.dpvw
On Mon, Mar 14, 2011 at 7:12 PM, Prasad Joshi prasadjoshi...@gmail.com wrote:
diff --git a/arch/um/include/asm/pgalloc.h b/arch/um/include/asm/pgalloc.h
index 32c8ce4..8b6257e 100644
--- a/arch/um/include/asm/pgalloc.h
+++ b/arch/um/include/asm/pgalloc.h
@@ -27,6 +27,7 @@ extern pgd_t
On Fri, Apr 29, 2011 at 6:10 PM, Riccardo Murri
riccardo.mu...@gmail.com wrote:
Hi Richard,
On Fri, Apr 29, 2011 at 5:47 PM, richard -rw- weinberger
richard.weinber...@gmail.com wrote:
Anyway, what is the exact command-line which causes UML to hang?
Can you provide me a stand alone test case
On Fri, Apr 29, 2011 at 7:05 PM, Riccardo Murri
riccardo.mu...@gmail.com wrote:
But I can still redirect stdin from a named FIFO and attach a silent
process to it:
Sure, but you'll still need a wrapper script which creates this FIFO
in the grid node.
I've had enough fun with sge, lsf, ... ;)
On Wed, May 4, 2011 at 4:29 AM, Edmundo Carmona eantor...@gmail.com wrote:
Could it be a compiler problem?
I just found this piece from someone with the same problem I'm facing:
http://us.generation-nt.com/answer/gcc-4-6-0-breaks-user-mode-linux-help-202788512.html
I adjusted the kernel code
On Fri, May 6, 2011 at 10:51 AM, Lakshmipathi.G
lakshmipath...@gmail.com wrote:
Hi -
I'm encountering some strange issue with UML. I built the uml kernel from
src and started them with root_fs(F14). (downloaded from
http://fs.devloop.org.uk/) . Its fine for the first time. Next time(after
On Fri, May 6, 2011 at 11:14 AM, Lakshmipathi.G
lakshmipath...@gmail.com wrote:
Is this really a UML issue?
Tell the kernel to mount the rootfs rw...
When booted it for the first with same command ,its worked fine. After
doing init 0 and starting again it becomes read-only.
What ext version
On Fri, May 6, 2011 at 2:28 PM, Lakshmipathi.G lakshmipath...@gmail.com wrote:
I'm not sure as I didn't create them ,manually.But Its not working after
initial shutdown.
I guess the root fs was damaged.
Are you using ext4 to read ext2/3?
Yes,its ext4 root_fs after logged into uml, I tried to
Antoine,
On Fri, May 6, 2011 at 5:06 PM, Antoine Martin anto...@nagafix.co.uk wrote:
On 05/06/2011 06:59 PM, richard -rw- weinberger wrote:
On Fri, May 6, 2011 at 11:14 AM, Lakshmipathi.G
lakshmipath...@gmail.com wrote:
Is this really a UML issue?
Tell the kernel to mount the rootfs rw
On Wed, Jun 8, 2011 at 8:43 PM, Naman Muley naman.g.mu...@gmail.com wrote:
Hey, I check out that thread. It containted a link to a HOWTO webpage. I
followed it (http://hanez.org/howto-user-mode-linux.html). Here's what I
got. After spending more than 7 hours at this, I think there seems to be a
On Tue, Jun 14, 2011 at 11:35 AM, Naman Muley naman.g.mu...@gmail.com wrote:
Hi,
Can anybody help me with this error:
..
..
UML running in SKAS0 mode
Adding 3194880 bytes to physical memory to account for exec-shield gap
Is this a hand compiled kernel?
Version?
Defaultconfig?
On Thu, Jun 23, 2011 at 5:38 PM, Riccardo Murri
riccardo.mu...@gmail.com wrote:
Hello,
I'm trying to run some MatLab compiled code in a x86_64 Debian squeeze UML;
unfortunately, the code crashes and the backtrace indicates that the problem
is
due to a failing clone() call.
UML had some
Riccardo,
On Thu, Jun 23, 2011 at 11:16 PM, Riccardo Murri
riccardo.mu...@gmail.com wrote:
Being MatLab stuff, I'm afraid I cannot provide a full test case; this
is the top of the stack as it gets dumped out after the crash:
[...]
[ 13] 0x452951c3
On Thu, Jun 23, 2011 at 11:16 PM, Riccardo Murri
riccardo.mu...@gmail.com wrote:
Being MatLab stuff, I'm afraid I cannot provide a full test case; this
is the top of the stack as it gets dumped out after the crash:
BTW: What exactly are you doing with MatLab?
I have access to various MatLab
On Fri, Jun 24, 2011 at 11:30 AM, Gordon Russell drgruss...@gmail.com wrote:
Hi All.
I have been using user mode linux since 2004, but I have decided to
update my images to fedora 15.
However I cannot get a stable uml kernel to run this image.
For instance 2.6.39.1 crashes when I try yum
On Sat, Jun 25, 2011 at 1:14 AM, Gordon Russell drgruss...@gmail.com wrote:
I have never tried a bisect, but the online guides seem clear enough,
except they seem to require a starting point which is a good kernel
version. Which version has Commit 482db6? The changelogs have commits
which have
2011/7/12 Toralf Förster toralf.foers...@gmx.de:
Hello,
when I start my user mdoe linux to use a tap device, I see this in the guesgt
kernel log :
2011-07-12T15:39:48.316+02:00 n22_uml kernel: Netdevice 0 (7a:cf:14:11:67:01)
:
This printk() just sucks.
drivers/net_kern.c:
On Sun, Jul 31, 2011 at 6:50 PM, Manfred Haertel, DB3HM
manfred.haer...@rz-online.de wrote:
Toralf Förster wrote:
tfoerste@n22 ~/devel/linux $ gdb linux
GNU gdb (Gentoo 7.2 p1) 7.2
Copyright (C) 2010 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or
2011/8/1 Toralf Förster toralf.foers...@gmx.de:
Hello,
this is a follow-up of [uml-user] v3.0-6726-g250f8e3 core dumped in
arch/um/os-Linux/sys-i386/task_size.c:31
The current UML kernel v3.0-6862-g3da3f87 core dumped with this command line :
$ ./linux
2011/8/1 Toralf Förster toralf.foers...@gmx.de:
Hello,
this is a follow-up of [uml-user] v3.0-6726-g250f8e3 core dumped in
arch/um/os-Linux/sys-i386/task_size.c:31
The current UML kernel v3.0-6862-g3da3f87 core dumped with this command line :
$ ./linux
2011/8/1 Toralf Förster toralf.foers...@gmx.de:
Good luck,
BTW I tried to bisect it 2 times in a row, but got always this (wrong) result
commit : aa63418aa7
I fear there's another commit, which produces coredump and therefore confuses
git-bisect (and me).
I fear today UML gets more love
2011/8/2 Toralf Förster toralf.foers...@gmx.de:
If I try to mount a CIFS directory I get this from the created core file :
Core was generated by `/usr/local/bin/linux-v3.0 earlyprintk
ubda=/home/tfoerste/virtual/uml/gentoo_ro'.
Program terminated with signal 6, Aborted.
#0 0xb788f424 in
On Thu, Aug 4, 2011 at 5:42 PM, Riccardo Murri riccardo.mu...@gmail.com wrote:
Hello,
I see that each UML instance starts a variable number of threads/processes.
I'm using UML in a batch system (Sun Grid Engine 6.2); SGE kills my
jobs because they exceed the allowed memory reservation. My
On Thu, Aug 4, 2011 at 5:19 PM, Gordon Russell drgruss...@gmail.com wrote:
Thoughts?
FC15 x86_64 or x86_32?
Which host kernel are you using?
--
Thanks,
//richard
--
BlackBerryreg; DevCon Americas, Oct. 18-20, San
On Thu, Aug 4, 2011 at 7:53 PM, Gordon Russell drgruss...@gmail.com wrote:
2.6.40-4.fc15.x86_64
My user mode linux kernels are all compiled statically on a fedora 32
bit machine.
Can I compile uml as a 64 bit executable instead? I keep thinking uml
must be compiled as a 32 bit executable...
On Thu, Aug 4, 2011 at 8:30 PM, Gordon Russell drgruss...@gmail.com wrote:
Recompiled it on an up to date 64 bit fedora 15 machine. Thats much
easier, but unfortunately just the same error message when I run it.
Disabling SELINUX makes no difference btw.
Ok, I'll look at the issue.
First, I
On Thu, Aug 4, 2011 at 8:30 PM, Gordon Russell drgruss...@gmail.com wrote:
Recompiled it on an up to date 64 bit fedora 15 machine. Thats much
easier, but unfortunately just the same error message when I run it.
Disabling SELINUX makes no difference btw.
On a FC15 LiveCD UML works fine.
Are
On Thu, Aug 4, 2011 at 9:45 PM, Gordon Russell drgruss...@gmail.com wrote:
Did the livecd have 2.6.40-4 as the host kernel? It is just a feeling
but I thought it was working ok on my development server before I
rolled it out over the other servers, and originally fedora 15 as
installed was
On Thu, Aug 4, 2011 at 10:56 PM, Gordon Russell drgruss...@gmail.com wrote:
Thanks for looking into this for me.
Ideally could you file the bug report? If they ask any followon
questions you will probably know the answer!
Let me know the bug number and I will put in me too if that will help.
On Sat, Aug 13, 2011 at 7:23 AM, Aniruddha Laud
trojan.of.t...@gmail.com wrote:
Hi,
The file system I have has some files in 64-bit ELF format and some in
32-bit. Is it possible to run such a file system with a 64-bit Linux kernel
compiled as UML with ARCH=um ? Normally, if I start up the
On Sat, Aug 13, 2011 at 6:42 PM, Aniruddha Laud
trojan.of.t...@gmail.com wrote:
Is there any particular reason as to why UML doesn't have this while Linux
on hardware does? Thanks.
Not really.
Nobody implemented it jet. :-)
--
Thanks,
//richard
On Mon, Aug 15, 2011 at 11:09 AM, Gunnar Lindroth
gunnarlindr...@hotmail.com wrote:
Hi,
I'm trying to run a Java application in my 64-bit UML. Unfortunately I have
experienced a lot of SIGSEGV's when running my application which makes it
next to unusable (it crashes maybe 80% of the time). The
On Tue, Aug 16, 2011 at 8:37 AM, Gunnar Lindroth
gunnarlindr...@hotmail.com wrote:
Hi Richard,
Unfortunately I will not be able to bisect the issue - I really don't have
the knowledge to do that.
My best contribution will probably be the testing of a future solution,
please let me know if you
On Mon, Sep 19, 2011 at 11:44 PM, Chris Frey cdf...@foursquare.net wrote:
When I run it manually, I get:
[root@fedora15 ~]# getcap /usr/libexec/pt_chown
Failed to get capabilities of file `/usr/libexec/pt_chown' (Operation not
supported)
Can you run strace on it?
Let's see what the system
On Tue, Sep 20, 2011 at 12:27 AM, Chris Frey cdf...@foursquare.net wrote:
On Tue, Sep 20, 2011 at 12:28:53AM +0200, richard -rw- weinberger wrote:
Can you run strace on it?
Let's see what the system call returns...
I get this:
capget(0x20080522, 0, NULL) = 0
getxattr(/usr
On Wed, Sep 21, 2011 at 11:33 AM, ratheesh kannoth
ratheesh@gmail.com wrote:
Hi,
i downloaded linux 2.6.31 version and compiled for ARCH=um
SUBARCH=i386 ( 32bit uml)
my linux machine (64bit ubunt lucid ) gcc version is (Ubuntu
4.4.3-4ubuntu5) 4.4.3
Can you please try a newer
On Tue, Sep 27, 2011 at 7:09 PM, Dan Bassett dbass...@oreilly.com wrote:
I did some more digging after finding some more debugging flags for
start_udev and I have more information today. After serializing udev's
startup process, it looks like the boot process always hangs in the same
spot.
On Tue, Sep 27, 2011 at 7:09 PM, Dan Bassett dbass...@oreilly.com wrote:
I did some more digging after finding some more debugging flags for
start_udev and I have more information today. After serializing udev's
startup process, it looks like the boot process always hangs in the same
spot.
On Wed, Sep 28, 2011 at 10:04 PM, Dan Bassett dbass...@oreilly.com wrote:
On 09/28/2011 02:53 PM, richard -rw- weinberger wrote:
On Tue, Sep 27, 2011 at 7:09 PM, Dan Bassettdbass...@oreilly.com wrote:
I did some more digging after finding some more debugging flags for
start_udev and I
On Mon, Oct 3, 2011 at 9:32 AM, Troy Piggins troy_...@piggo.com wrote:
Hi there. I'm running an ARM-based Dreamplug with Debian Squeeze on
it. Contemplating trying UML virtual machines on it, but not sure
if that's possible. Any ideas or pointers?
No. Currently UML runs on only on
On Wed, Oct 5, 2011 at 10:01 PM, Dan Bassett dbass...@oreilly.com wrote:
Is anybody maintaining the skas3 (and/or skas4) patches anymore?
AFAIK no.
I haven't used skas3/4 for years, skas0 is fine for my use cases.
--
Thanks,
//richard
On Mon, Oct 24, 2011 at 4:42 PM, Luca Saiu
luca.s...@lipn.univ-paris13.fr wrote:
Sorry for asking such an obvious question, but we couldn't find any
information on the official documentation: how do we cross-compile a UML
kernel for a 32-bit x86 machine on an x86-64 machine?
Try:
make linux
On Tue, Nov 29, 2011 at 6:39 PM, Dmitry Panov dmitry.pa...@yahoo.co.uk wrote:
Hi guys,
I'm having an issue with swapoff which gets killed by OOM. I was able to
reproduce it with UML guests running different kernel versions, starting
from 2.6.26 to 3.1.3. The only difference is with latest
On Wed, Nov 30, 2011 at 3:12 PM, Dmitry Panov dmitry.pa...@yahoo.co.uk wrote:
On 30/11/2011 14:00, richard -rw- weinberger wrote:
On Tue, Nov 29, 2011 at 6:39 PM, Dmitry Panovdmitry.pa...@yahoo.co.uk
wrote:
Hi guys,
I'm having an issue with swapoff which gets killed by OOM. I was able
On Fri, Dec 2, 2011 at 11:39 PM, ning ji nin...@hotmail.com wrote:
without sudo, i got this
Is your disk image only root-readable?
Nobody runs UML as root.
--
Thanks,
//richard
--
All the data continuously generated
Hi,
On Tue, Dec 6, 2011 at 7:48 PM, Riccardo Murri riccardo.mu...@gmail.com wrote:
If I got it right:
- The UML kernel runs in its own process (hence kernel space
separation, enforced by the host kernel), which is the parent of
all the UML processes (one per guest process).
The
On Tue, Dec 6, 2011 at 10:31 PM, clow...@clownix.net wrote:
Is there still a chance that the skas0 patch will end up in the mainline?
It is already in mainline.
--
Thanks,
//richard
--
Cloud Services Checklist:
On Tue, Dec 6, 2011 at 11:40 PM, clow...@clownix.net wrote:
I did not read everything carefully but I thought that with the skas0,
I would see only one uml linux process in the host for the whole uml
machine, and also that it would not take the /dev/shm memory anymore.
No.
Maybe your are
On Thu, Dec 8, 2011 at 12:38 PM, Riccardo Murri
riccardo.mu...@gmail.com wrote:
Hi *,
the file-backed `ubd` devices in my UML instances are terribly slow,
and generate a lot of iowait load on the host. It looks like as if
filesystems mounted from `ubd` devices were using the `sync` option.
On Tue, Dec 13, 2011 at 1:10 PM, Matthias Rieber suppor...@sucksass.de wrote:
Hi,
I've a strange problem with ejabberd(a jabber server written in Erlang)
running under the user mode linux kernel. Almost everything works as
expected but a certain function, pubsub/pep, doesn't work. When I run
On Tue, Dec 13, 2011 at 2:55 PM, Matthias Rieber suppor...@sucksass.de wrote:
Hello,
On 13.12.2011 13:54, richard -rw- weinberger wrote:
On Tue, Dec 13, 2011 at 1:10 PM, Matthias Rieber suppor...@sucksass.de
wrote:
Hi,
I've a strange problem with ejabberd(a jabber server written in Erlang
On Sat, Dec 24, 2011 at 4:42 AM, ning ji nin...@hotmail.com wrote:
I left the error message in the company, but briefly the TAP devices have
issues.
Without the exact message nobody can help you.
So far this project turns out to be a mess and i'm praying they won't fire
me.
If UML is the
On Tue, Jan 3, 2012 at 6:01 PM, ning ji nin...@hotmail.com wrote:
Starting system logger: [ OK ]
Retrigger failed udev events[ OK ]
[ 156.81] helper_wait : waitpid process 13447 failed, errno = 10
[ 156.81] * modprobe tun
[ 156.81] * ifconfig tap4 10.38.145.169 netmask
On Thu, Jan 19, 2012 at 3:23 PM, Nick Cripps nick.cri...@gmail.com wrote:
I saw this thread:
http://sourceforge.net/mailarchive/forum.php?thread_name=CAFLxGvz2wdfRtryzJ1t0G11rxzOmhdNEVi6A%3DXS5uLG0PA7VAQ%40mail.gmail.comforum_name=user-mode-linux-user
which seems to indicate that SKAS3 isn't
On Thu, Jan 19, 2012 at 5:40 PM, Nick Cripps nick.cri...@gmail.com wrote:
Thanks for the quick reply. What options do I need to have enabled in
the host kernel to support SKAS0?
There is no need to enable SKAS0 in the host kernel.
--
Thanks,
//richard
P.s: Please don't top-post.
On Sat, Jan 21, 2012 at 12:56 AM, Nick Cripps nick.cri...@gmail.com wrote:
Hi,
When running 'make menuconfig ARCH=uml' there is no 'Executable file
formats / Emulations' menu. I guess this makes sense since I guess
that only binaries that can be run on the host kernel can be run from
UML.
On Thu, Jan 19, 2012 at 7:41 PM, Antoine Martin anto...@nagafix.co.uk wrote:
On 01/19/2012 10:01 PM, richard -rw- weinberger wrote:
On Thu, Jan 19, 2012 at 3:23 PM, Nick Cripps nick.cri...@gmail.com wrote:
I saw this thread:
http://sourceforge.net/mailarchive/forum.php?thread_name
On Thu, Feb 9, 2012 at 3:14 PM, Riccardo Murri riccardo.mu...@gmail.com wrote:
Hello,
is NTP needed on UML VMs?
Or does the UML kernel take the time from the host kernel? (so it's
enough if the host runs NTP)
UML takes the timer tick from the host.
But it has it's own timekeeping.
But I
On Thu, Feb 9, 2012 at 4:11 PM, Nicolas Greneche
nicolas.grene...@univ-paris13.fr wrote:
Hi,
I would like to create a SELinux aware UML. I compiled a ARCH=um kernel
with SELinux activated.
Are you sure?
The UML starts but SELinux seems to be disabled. Libselinux is installed
so I have
On Sun, Feb 12, 2012 at 9:23 PM, Joakim Arfvidsson
joa...@arfvidsson.com wrote:
It finds the bottom address, but is stuck forever on top address.
This is all on an Amazon EC2 instance (so it's running within some Xen vm).
Host is running 32 bit RedHat.
Command line and results:
On Mon, Feb 13, 2012 at 12:29 AM, Joakim Arfvidsson
joa...@arfvidsson.com wrote:
Yes, the CPU is pegged while this is happening. I've left it for an hour
with no results.
I looked at that code and couldn't really see a good reason for it to block
forever, except if the address space was so
On Mon, Feb 13, 2012 at 10:52 AM, Nicolas Greneche
nicolas.grene...@univ-paris13.fr wrote:
Le 11/02/2012 13:03, richard -rw- weinberger a écrit :
On Thu, Feb 9, 2012 at 4:11 PM, Nicolas Greneche
nicolas.grene...@univ-paris13.fr wrote:
Hi,
I would like to create a SELinux aware UML. I
On Tue, Feb 14, 2012 at 4:08 AM, Joakim Arfvidsson
joa...@arfvidsson.com wrote:
To debug, I ran UML in gdb. It segfaulted once during finding the bottom
limit, which is expected I guess.
gdb has to ignore UML's SIGSEGV.
UML is using it to handle page faults.
Type handle SIGSEGV noprint nostop
On Wed, Feb 15, 2012 at 9:47 PM, Antoine Martin anto...@nagafix.co.uk wrote:
On 01/21/2012 07:14 AM, richard -rw- weinberger wrote:
On Thu, Jan 19, 2012 at 7:41 PM, Antoine Martin anto...@nagafix.co.uk
wrote:
On 01/19/2012 10:01 PM, richard -rw- weinberger wrote:
On Thu, Jan 19, 2012 at 3:23
On Wed, May 9, 2012 at 11:35 AM, Riccardo Murri
riccardo.mu...@gmail.com wrote:
Hello,
we're having issues with a UML machine that refuses to shut down: the
halt sequence commences and then we get the following kernel error
message and backtrace:
Asking all remaining processes to
Hi!
Running 3.1 x86_64 on top of 3.1 x86_64 works, but 2.6.38 x86_64 on
top of 3.1 x86_64 not?
Please confirm, so that I can try to produce the issue.
However I suspect we have to back port f1c2bb8 (um: implement a x86_64 vDSO).
Thanks,
//richard
So, you're using gcc 4.5. You have to apply the patch below to your UML kernel.
Anyway, consider using a recent UML kernel. Or at least one which an
active stable tree.
commit 534e3adbd22efa327e6ff27cf2d8ebaad8382ecd
Author: Richard Weinberger rich...@nod.at
Date: Wed Apr 27 15:26:54 2011 -0700
On Sun, Jun 3, 2012 at 11:35 AM, Toralf Förster toralf.foers...@gmx.de wrote:
Whenever I start an UML image, I get a core file (nevertheless the UML
starts up fine).
The gdb back trace is :
Core was generated by `/usr/local/bin/linux-v3.5-rc1 earlyprintk
On Wed, Jun 6, 2012 at 12:56 PM, Lars Ekman G lars.g.ek...@ericsson.com wrote:
I am using UML-kernel; 3.0.26
Anyway, this program;
#include stdio.h
#include unistd.h
int main(int argc, char* argv[])
{
printf(_SC_NPROCESSORS_CONF = %d\n, sysconf(_SC_NPROCESSORS_CONF));
On Wed, Jun 6, 2012 at 1:29 PM, Lars Ekman G lars.g.ek...@ericsson.com wrote:
Hello,
examples/lttng /lib/libc.so.6
GNU C Library stable release version 2.11.1 (20100118), by Roland McGrath et
al.
Copyright (C) 2009 Free Software Foundation, Inc.
This is free software; see the source for
On Wed, Jun 6, 2012 at 1:33 PM, richard -rw- weinberger
richard.weinber...@gmail.com wrote:
Okay, I have an idea what's going on.
I'll send a patch ASAP.
Does the attached patch solve the problem?
--
Thanks,
//richard
diff --git a/arch/um/Kconfig.common b/arch/um/Kconfig.common
index a923483
On Wed, Jun 6, 2012 at 4:15 PM, Lars Ekman G lars.g.ek...@ericsson.com wrote:
Hello,
Yes, it works fine;
Okay, I'll queue this patch for -stable.
--
Thanks,
//richard
--
Live Security Virtual Conference
Exclusive
Hi!
On Thu, Jul 5, 2012 at 3:04 PM, James roben james.robe...@gmail.com wrote:
All,
I recently read an article in Linux Journal 2012 July issue about UML (
http://www.linuxjournaldigital.com/linuxjournal/201207?pg=60#pg60 ). I
really came to know the
power of UML. The first thing , i
On Thu, Jul 5, 2012 at 10:58 PM, Chris Frey cdf...@foursquare.net wrote:
On Thu, Jul 05, 2012 at 04:38:51PM +0200, richard -rw- weinberger wrote:
The article describes nothing that is not also doable with KVM these days.
Anyway, UML is fun and nice to use. :-)
Doesn't KVM require the extra VM
On Sun, Jul 8, 2012 at 1:21 AM, Paolo Giarrusso p.giarru...@gmail.com wrote:
Nice to hear from you Paolo, are you planning to work again on UML? :)
Yep - entropy comes from hardware interrupts, and UML doesn't have
enough such interrupts, as far as I remember; I think interrupts might
be
Toralf,
On Sun, Jul 22, 2012 at 12:42 PM, Toralf Förster toralf.foers...@gmx.de wrote:
With Linux n22 3.5.0-rc7+ as a host kernel and 3.5 as guest kernel my
unstable Gentoo system hangs after a while.
The back trace derived from gdb shows :
please more details.
I've told you many times that
On Sun, Jul 22, 2012 at 2:06 PM, Toralf Förster toralf.foers...@gmx.de wrote:
On 07/22/2012 01:18 PM, richard -rw- weinberger wrote:
After a given time the system becomes non-reactive.
Neither at the command line (xterm) nor via a network connection the
systems gave any response
Hi!
On Tue, Aug 21, 2012 at 5:15 PM, 张东亚 fortitude.zh...@gmail.com wrote:
Hi,
I am running linux 3.4 uml,it works quite well, however recently I
want to running openvswitch on the uml instance,I will got an segv
fault.
What segfaulted? The UML kernel or some user space application?
I
On Fri, Aug 24, 2012 at 5:09 PM, Dragos Diaconescu
diacones...@gmail.com wrote:
Can you please
give me some directions? Shall I implement in the same manner as is
implemented in
/arch/x86/lib/delay.c . What are the big differences between this
implementation and in an implementation
On Sun, Sep 9, 2012 at 12:01 PM, Toralf Förster toralf.foers...@gmx.de wrote:
Hi,
with current git tree 3.6-rc5 I cannot longer start apache2 at a
UML image with an unstable Gentoo Linux.
The apache error log gives :
[Sun Sep 09 11:53:25.225818 2012] [core:emerg] [pid 1054:tid 1078662848]
On Fri, Oct 12, 2012 at 8:58 PM, Toralf Förster toralf.foers...@gmx.de wrote:
Hi,
$ make ARCH=um -j1
CHK include/generated/uapi/linux/version.h
make[3]: Nothing to be done for `all'.
make[1]: `arch/x86/um/user-offsets.s' is up to date.
CHK include/generated/utsrelease.h
CALL
On Sat, Oct 13, 2012 at 9:08 PM, Toralf Förster toralf.foers...@gmx.de wrote:
The following data I gathered from a UML process running at 100% COU of 1
core :
Is something of those data are helpful ?
If UML is looping, no.
Sorry.
--
Thanks,
//richard
On Sun, Oct 14, 2012 at 6:25 PM, Toralf Förster toralf.foers...@gmx.de wrote:
On 10/13/2012 09:42 PM, richard -rw- weinberger wrote:
If UML is looping, no.
Sorry.
Now I got a crash. Running this command at the host:
$ for i in $(seq 1 1000); do echo -en $i\r; for p in manual phpsysinfo
On Fri, Oct 26, 2012 at 3:56 PM, Toralf Förster toralf.foers...@gmx.de wrote:
otherwise booting an EXT4 image won't work b/c the root fs can't be
mounted read-write - and as a side effect no syslog messages points the
user to this issue (at least in my setup) ...
:-/
Why is this an UML issue?
On Mon, Oct 29, 2012 at 11:12 AM, Stelios M. steli...@gmail.com wrote:
Hello all.
I'm trying to locate recent version on SKAS3 patches.
Is the SKAS3 functionality integrated into the mainline as SKAS0?
Yes.
SKAS0 does mostly what SKAS3 did without the need of a patched
host kernel.
--
On Mon, Oct 29, 2012 at 11:22 AM, Stelios M. steli...@gmail.com wrote:
Hello Richard.
SKAS0 has the same performance as SKAS3 as well?
Mostly.
SASK0 has no support for /proc/mm.
--
Thanks,
//richard
--
The Windows 8
On Sun, Feb 24, 2013 at 12:03 PM, Toralf Förster toralf.foers...@gmx.de wrote:
Moin,
got this wit the attached .config :
...
CC kernel/mutex.o
CC kernel/hrtimer.o
kernel/mutex.c:34:37: error: include/asm-generic/mutex-null.h: Input/output
error
The compiler got -EIO while
On Tue, Mar 5, 2013 at 4:33 PM, Toralf Förster toralf.foers...@gmx.de wrote:
On 03/05/2013 01:51 AM, Pierluigi Rolando wrote:
I think what's going on
here is that UML gets a signal it can't handle when you resize.
Yes - something _is_ wrong with the signal handling, but my command line
On Tue, Mar 5, 2013 at 6:57 PM, Toralf Förster toralf.foers...@gmx.de wrote:
On 03/05/2013 06:30 PM, richard -rw- weinberger wrote:
On Tue, Mar 5, 2013 at 4:33 PM, Toralf Förster toralf.foers...@gmx.de
wrote:
On 03/05/2013 01:51 AM, Pierluigi Rolando wrote:
I think what's going on
here
On Wed, Jan 23, 2013 at 4:11 PM, Lars-Göran Nordh
lars-goran.no...@ericsson.com wrote:
Hello,
I have built a couple of kernel modules and successfully loaded them using
modprobe.
Since I needed more memory i changed MEM=1024MB to the kernel start line.
The module that earlier was loaded
On Wed, Mar 6, 2013 at 7:10 PM, Toralf Förster toralf.foers...@gmx.de wrote:
On 03/06/2013 12:32 AM, richard -rw- weinberger wrote:
What is your console? I suspect it is not stdio_console.
I tried both with con=pts con0=fd:0,fd:1 as well as without specifying
console/tty at the command line
On Wed, Mar 6, 2013 at 7:24 PM, richard -rw- weinberger
richard.weinber...@gmail.com wrote:
On Wed, Mar 6, 2013 at 7:10 PM, Toralf Förster toralf.foers...@gmx.de wrote:
On 03/06/2013 12:32 AM, richard -rw- weinberger wrote:
What is your console? I suspect it is not stdio_console.
I tried both
On Thu, Mar 7, 2013 at 5:11 PM, Toralf Förster toralf.foers...@gmx.de wrote:
issue is fixed here too - thx.
FWIW something like con=pts con0=fd:0,fd:1 is now mandatory,
otherwise an xterm is open and user root can login, but I experienced
strange things with my Gentoo :
So, xterm is broken
On Thu, Mar 7, 2013 at 6:28 PM, Toralf Förster toralf.foers...@gmx.de wrote:
On 03/07/2013 05:34 PM, richard -rw- weinberger wrote:
So, xterm is broken in 3.9-rc1?
Please bisect it.
Cannot be reproduced under host kernel 3.7.10, and host kernel 3.8.2 suffers
from a complete hang
On Thu, Mar 7, 2013 at 6:28 PM, Toralf Förster toralf.foers...@gmx.de wrote:
2013-03-07T18:23:59.185+01:00 n22stab4 kernel: WARNING: at
drivers/tty/tty_buffer.c:428 flush_to_ldisc+0x51/0x190()
2013-03-07T18:23:59.185+01:00 n22stab4 kernel: tty is NULL
2013-03-07T18:23:59.185+01:00 n22stab4
On Mon, Mar 11, 2013 at 7:01 PM, Toralf Förster toralf.foers...@gmx.de wrote:
On 03/10/2013 10:41 PM, Dave Jones wrote:
On Sun, Mar 10, 2013 at 10:25:01PM +0100, Toralf Förster wrote:
?
It would need to be ported due to the different syscall table.
I wrote aobut this being fairly easy
On Thu, Mar 14, 2013 at 8:07 PM, Toralf Förster toralf.foers...@gmx.de wrote:
The following WARNING: can be triggered sometimes with trinity [1] under a
user mode linux image
using the SLUB allocator (and not with SLAB)
2013-03-14T19:09:51.071+01:00 trinity kernel: [ cut here
On Thu, Mar 14, 2013 at 8:07 PM, Toralf Förster toralf.foers...@gmx.de wrote:
The following WARNING: can be triggered sometimes with trinity [1] under a
user mode linux image
using the SLUB allocator (and not with SLAB)
2013-03-14T19:09:51.071+01:00 trinity kernel: [ cut here
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