| Commit message (Collapse) | Author | Age | Files | Lines |
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RHEL 5-era autoconf did not define these, so define them manually
when they are missing.
Define builddir as '.' The scripts require this. It won't work
in the srcdir != builddir case, but we don't care about that for
RHEL 5.
This commit also moves the builddir / abs_srcdir variable setting
above the include of subdir-rules.mk, in case that include uses
these variables.
Useful script:
for f in $(find -name Makefile.am | xargs fgrep '$(abs_srcdir)' -l) ; do
if ! grep -q '^abs_srcdir' $f; then
echo missing in $f
fi
done
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In Koji, when you've got 200+ disks, udev times out before all the
udev events have been processed.
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This should be just code motion.
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Missing package caused this error in compress-device-out:
libguestfs: error: compress_device_out: compression type bzip2 is not supported
Thanks Mohua Li.
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virt-rescue prints errors such as:
rm: cannot remove `/proc': Is a directory
mkdir: cannot create directory `/proc': File exists
rm: cannot remove `/sys': Is a directory
mkdir: cannot create directory `/sys': File exists
People have reported these errors (which are nothing to worry about)
as bugs in the past, so avoid them where possible.
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Previously it printed 'Internal error!'
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This is mainly useful for the 'isoinfo' tool, but 'genisoimage'
itself may be interesting to have in future.
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This lets us suppress errors in system libraries.
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--20cf303ea4a84a7a7c04ba331375
Content-Type: text/plain; charset=ISO-8859-1
Hello Richard,
I found what the problem was and the udev symlinks where not created. The
init script in the appliance uses a full paths for udevadm (/sbin/udevadm)
which in my case was wrong. In Arch Linux udevadm is hosted under /usr/bin,
not /sbin. When I fixed this, libguestfs was able to communicate with the
appliance VM.
Since PATH variable is defined and exported in init, there is no need in
using full paths for external programs. As far as I've seen this affects
all the git branches in libguestfs's repository. Please find attached a
patch for the master branch.
Nikos Skalkotos,
Athens, Greece
On 24 February 2012 10:25, Richard W.M. Jones <rjones@redhat.com> wrote:
> On Thu, Feb 23, 2012 at 08:50:12PM +0200, Nikos Skalkotos wrote:
> [...]
>
> I don't know specifically why it fails with ArchLinux, but the problem
> is caused by the /dev/virtio-ports/* symlinks not getting created by
> udev.
>
> /dev/vport0p1 exists:
>
> > crw------- 1 root root 252, 1 Feb 23 18:17 vport0p1
>
> but udev doesn't make the corresponding /dev/virtio-ports symlink:
>
> > /dev/virtio-ports/org.libguestfs.channel.0: No such file or directory
>
> The symlink is supposed to be created by this udev rule:
>
> /lib/udev/rules.d/50-udev-default.rules:KERNEL=="vport*",
> ATTR{name}=="?*", SYMLINK+="virtio-ports/$attr{name}"
>
> So I'd start by looking to see if that rule exists in the udev rules
> that Arch is using. Secondly if it does exist, is the corresponding
> *.rules being copied into the appliance? (Check appliance/supermin.d/
> hostfiles)
>
> In an old Ubuntu that has udev that predates having this rule, we add
> the following patch:
>
>
> http://libguestfs.org/download/binaries/ubuntu1004-packages/0002-ubuntu-10.04-Use-dev-vport0p1.patch
>
> Rich.
>
> --
> Richard Jones, Virtualization Group, Red Hat
> http://people.redhat.com/~rjones
> virt-p2v converts physical machines to virtual machines. Boot with a
> live CD or over the network (PXE) and turn machines into Xen guests.
> http://et.redhat.com/~rjones/virt-p2v
>
Hello Richard,<br><br>I found what the problem was and the udev symlinks where not created. The init script in the appliance uses a full paths for udevadm (/sbin/udevadm) which in my case was wrong. In Arch Linux udevadm is hosted under /usr/bin, not /sbin. When I fixed this, libguestfs was able to communicate with the appliance VM.<br>
<br>Since PATH variable is defined and exported in init, there is no need in using full paths for external programs. As far as I've seen this affects all the git branches in libguestfs's repository. Please find attached a patch for the master branch.<br>
<br>Nikos Skalkotos,<br>Athens, Greece<br><br><div class="gmail_quote">On 24 February 2012 10:25, Richard W.M. Jones <span dir="ltr"><<a href="mailto:rjones@redhat.com">rjones@redhat.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
On Thu, Feb 23, 2012 at 08:50:12PM +0200, Nikos Skalkotos wrote:<br>
[...]<br>
<br>
I don't know specifically why it fails with ArchLinux, but the problem<br>
is caused by the /dev/virtio-ports/* symlinks not getting created by<br>
udev.<br>
<br>
/dev/vport0p1 exists:<br>
<div class="im"><br>
> crw------- 1 root root 252, 1 Feb 23 18:17 vport0p1<br>
<br>
</div>but udev doesn't make the corresponding /dev/virtio-ports symlink:<br>
<div class="im"><br>
> /dev/virtio-ports/org.libguestfs.channel.0: No such file or directory<br>
<br>
</div>The symlink is supposed to be created by this udev rule:<br>
<br>
/lib/udev/rules.d/50-udev-default.rules:KERNEL=="vport*", ATTR{name}=="?*", SYMLINK+="virtio-ports/$attr{name}"<br>
<br>
So I'd start by looking to see if that rule exists in the udev rules<br>
that Arch is using. Secondly if it does exist, is the corresponding<br>
*.rules being copied into the appliance? (Check appliance/supermin.d/<br>
hostfiles)<br>
<br>
In an old Ubuntu that has udev that predates having this rule, we add<br>
the following patch:<br>
<br>
<a href="http://libguestfs.org/download/binaries/ubuntu1004-packages/0002-ubuntu-10.04-Use-dev-vport0p1.patch" target="_blank">http://libguestfs.org/download/binaries/ubuntu1004-packages/0002-ubuntu-10.04-Use-dev-vport0p1.patch</a><br>
<br>
Rich.<br>
<span class="HOEnZb"><font color="#888888"><br>
--<br>
Richard Jones, Virtualization Group, Red Hat <a href="http://people.redhat.com/%7Erjones%0Avirt-p2v" target="_blank">http://people.redhat.com/~rjones<br>
virt-p2v</a> converts physical machines to virtual machines. Boot with a<br>
live CD or over the network (PXE) and turn machines into Xen guests.<br>
<a href="http://et.redhat.com/%7Erjones/virt-p2v" target="_blank">http://et.redhat.com/~rjones/virt-p2v</a><br>
</font></span></blockquote></div><br>
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Check /sbin, /usr/sbin, /bin and /usr/bin to ensure that neither the
directory nor the parent (eg. /usr) is a symlink, and use this
directory for the virtual directory used to store guestfsd in the
appliance.
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See this udev commit:
https://git.kernel.org/?p=linux/hotplug/udev.git;a=commitdiff;h=220893b3cbdbf8932f95c44811b169a8f0d33939
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(RHBZ#784647).
Change 'ifconfig' and 'netstat' commands to use 'ip' instead.
'iproute' was already included in the appliance, so this reduces the
size of the appliance accordingly.
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This commit allows you to run the daemon under valgrind. You have to
enable it at configure time:
./configure --enable-valgrind-daemon
This should *not* be done for production builds.
When this feature is enabled, valgrind is added to the appliance and
the daemon is run under valgrind. Log messages from valgrind are
passed back over a virtio-serial channel into a file called
'valgrind.log.$PID' in the top build directory.
Running 'make check', 'make extra-tests' etc causes many
valgrind.log.* files to be created which must be examined by hand.
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This allows us to use 'fuser' and other ps tools.
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Update all copyright dates to 2012.
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Augeas 0.10 depends on libxml2, so this is now required in the
appliance (in fact, it was already present).
However this exposed two bugs:
(1) In libguestfs we use a home-brewed recipe for Augeas flags,
resulting in this error:
/usr/include/augeas.h:24:25: fatal error: libxml/tree.h: No such file or directory
(2) Augeas's own augeas.pc didn't include the libxml2 flags, so
it was broken. This requires a patch to Augeas 0.10, see:
https://www.redhat.com/archives/augeas-devel/2011-December/msg00008.html
Change to using pkg-config to detect Augeas. It is still an optional
library.
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Return a list of Linux MD devices detected in the guest.
This API complements list_devices, list_partitions, list_lvs and
list_dm_devices.
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In real machines these directories are a ramdisk.
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Therefore we need both names to be listed in the file.
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These APIs let you copy compressed files or devices out from the disk
image.
Compression is useful for large images which are mostly zeroes. We
cannot currently do sparseness detection, and compression gives us a
form of zero detection for free.
Example usage:
$ guestfish --ro -a /dev/vg_pin/F16x64 -i \
compress-out gzip /etc/passwd /tmp/passwd.gz
$ file -z /tmp/passwd.gz
/tmp/passwd.gz: ASCII text (gzip compressed data, was "passwd", from
Unix, last modified: Sun Aug 28 14:40:46 2011)
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Ubuntu 10.04 LTS packages don't create /sys.
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It's already included, but implicitly.
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The given timeout (10s) was too low if the appliance was
running slowly, which caused a cascade of other failures
during tests.
Note that in udev-171 and above on Fedora, /sbin/start_udev
no longer exists, so now we are using this manual method to
start udevd.
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The documentation for the getxattr and listxattr calls is not very
clear and as a result we were always returning something different
from that which the Linux kernel would usually return.
This fixes these calls, at least far enough that both the 'getfattr'
and 'getfacl' programs now work fine on FUSE-mounted filesystems.
Note that SELinux attrs are *not* passed through. This appears to be
a known bug between SELinux and FUSE. For more information see:
http://www.spinics.net/lists/selinux/msg09460.html
Notes:
Labels: bugfix, RHBZ#691389
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This option was not being used.
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Note there is no mkfs.ufs available for Fedora (see RHBZ#541618
for details).
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Don't exclude upstart from the appliance. It provides /sbin/reboot
which is required by virt-rescue.
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Create a separate file 'excludelist.in' that contains these
regular expressions, and process it the same way as packagelist.in.
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See also:
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=606622
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This package duplicates /etc/init.d/README which is
really supplied by sysv-rc package.
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The quotes appear literally on the command line:
$ s="--foo 'bar'"
$ echo $s
--foo 'bar'
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This allows the febootstrap --yum-config option to be passed through,
allowing a separate yum configuration to be used.
The hope is that this will enable building in Koji.
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