Your message dated Wed, 29 Sep 2010 13:02:24 +0000
with message-id <[email protected]>
and subject line Bug#596004: fixed in libvirt 0.8.3-2
has caused the Debian Bug report #596004,
regarding libvirt0: xen block stats uses wrong sysfs path
to be marked as done.
This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.
(NB: If you are a system administrator and have no idea what this
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immediately.)
--
596004: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=596004
Debian Bug Tracking System
Contact [email protected] with problems
--- Begin Message ---
Package: libvirt0
Version: 0.8.3-1.1
Severity: normal
Hello, I'm using squeeze current xen 4.0.1~rc6-1 packages and
linux-image-2.6.32-5-xen-amd64 2.6.32-21 kernel.
It seems that our kernel has different sysfs paths than other distributions,
some time ago, or perhaps currently in RHEL5, the sysfs path used to be:
/sys/devices/xen-backend/
But for Debian, and perhaps more recent kernels than what RHEL5 is using, the
path has changed to:
/sys/bus/xen-backend/
I tried searching for the history on this path change, couldn't find much
besides the following links. This leads me to believe that it could be the
kernel which has changed sysfs structure and not anything directly in the xen
source.
"[libvirt] wrong path of domblkstat":
https://www.redhat.com/archives/libvir-list/2010-June/msg00310.html
"xentop does not work with 2.6.30-rc3 Dom0 kernel from Jeremy's GIT"
http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=1454
Tools which retrieve block stats from libvirt0 result in the following error
when running on squeeze:
internal error read_bd_stats: Failed to read any block statistics
The source in libvirt0 src/xen/block_stats.c contains the following function:
static int64_t
read_bd_stat (int device, int domid, const char *str)
{
char path[PATH_MAX];
int64_t r;
snprintf (path, sizeof path,
"/sys/devices/xen-backend/vbd-%d-%d/statistics/%s",
domid, device, str);
r = read_stat (path);
if (r >= 0) return r;
snprintf (path, sizeof path,
"/sys/devices/xen-backend/tap-%d-%d/statistics/%s",
domid, device, str);
r = read_stat (path);
return r;
}
I'll attach a patch that modifies this function with additional search paths
once this bug is created.
-- System Information:
Debian Release: squeeze/sid
APT prefers testing
APT policy: (500, 'testing')
Architecture: amd64 (x86_64)
Kernel: Linux 2.6.32-5-xen-amd64 (SMP w/8 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8) (ignored: LC_ALL
set to en_US.UTF-8)
Shell: /bin/sh linked to /bin/dash
Versions of packages libvirt0 depends on:
ii libc6 2.11.2-2 Embedded GNU C Library: Shared lib
ii libcap-ng0 0.6.4-1 An alternate posix capabilities li
ii libgcrypt11 1.4.5-2 LGPL Crypto library - runtime libr
ii libgnutls26 2.8.6-1 the GNU TLS library - runtime libr
ii libnl1 1.1-5 library for dealing with netlink s
ii libsasl2-2 2.1.23.dfsg1-6 Cyrus SASL - authentication abstra
ii libxenstore3.0 4.0.1~rc6-1 Xenstore communications library fo
ii libxml2 2.7.7.dfsg-4 GNOME XML library
Versions of packages libvirt0 recommends:
ii lvm2 2.02.66-3 The Linux Logical Volume Manager
libvirt0 suggests no packages.
-- no debconf information
--- End Message ---
--- Begin Message ---
Source: libvirt
Source-Version: 0.8.3-2
We believe that the bug you reported is fixed in the latest version of
libvirt, which is due to be installed in the Debian FTP archive:
libvirt-bin_0.8.3-2_i386.deb
to main/libv/libvirt/libvirt-bin_0.8.3-2_i386.deb
libvirt-dev_0.8.3-2_i386.deb
to main/libv/libvirt/libvirt-dev_0.8.3-2_i386.deb
libvirt-doc_0.8.3-2_all.deb
to main/libv/libvirt/libvirt-doc_0.8.3-2_all.deb
libvirt0-dbg_0.8.3-2_i386.deb
to main/libv/libvirt/libvirt0-dbg_0.8.3-2_i386.deb
libvirt0_0.8.3-2_i386.deb
to main/libv/libvirt/libvirt0_0.8.3-2_i386.deb
libvirt_0.8.3-2.debian.tar.gz
to main/libv/libvirt/libvirt_0.8.3-2.debian.tar.gz
libvirt_0.8.3-2.dsc
to main/libv/libvirt/libvirt_0.8.3-2.dsc
python-libvirt_0.8.3-2_i386.deb
to main/libv/libvirt/python-libvirt_0.8.3-2_i386.deb
A summary of the changes between this version and the previous one is
attached.
Thank you for reporting the bug, which will now be closed. If you
have further comments please address them to [email protected],
and the maintainer will reopen the bug report if appropriate.
Debian distribution maintenance software
pp.
Guido Günther <[email protected]> (supplier of updated libvirt package)
(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing [email protected])
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
Format: 1.8
Date: Wed, 29 Sep 2010 14:00:38 +0200
Source: libvirt
Binary: libvirt-bin libvirt0 libvirt0-dbg libvirt-doc libvirt-dev python-libvirt
Architecture: source all i386
Version: 0.8.3-2
Distribution: unstable
Urgency: low
Maintainer: Debian Libvirt Maintainers
<[email protected]>
Changed-By: Guido Günther <[email protected]>
Description:
libvirt-bin - the programs for the libvirt library
libvirt-dev - development files for the libvirt library
libvirt-doc - documentation for the libvirt library
libvirt0 - library for interfacing with different virtualization systems
libvirt0-dbg - library for interfacing with different virtualization systems
python-libvirt - libvirt Python bindings
Closes: 594962 596004
Changes:
libvirt (0.8.3-2) unstable; urgency=low
.
* [4097bbd] New patch 0007-Fix-block-statistics-with-newer-versions-
of-Xen.patch. Fix block statistics with newer versions of Xen
(Closes: #596004) - thanks to Gerald Turner for the patch
* [d554da3] Explain disk image probing changes (Closes: #594962)
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