11:10 a.m.
Hello,
I am working on a product that supports Ubuntu 12.04 LTS. Ubuntu 12.04 LTS has delivered
many different versions of Linux kernel. In order to run crash to analyze crash dump from
Ubuntu 12.04 LTS, we need a matching debugging Linux kernel module, vmlinux. Do you know
if there is repository for all released Ubuntu kernel debuginfo packages? I have searched
Ubunut and Debian web sites but could not find such a site. The closest thing I have
found is http://ddebs.ubuntu.com/pool/main/l/linux/; however it only has
linux-image-3.2.0-* ddeb packages. For Ubuntu 12.04 LTS it has delivered 3.2.0-*, 3.5.0-*
and 3.8.0-* kernels. These ddeb packages are also huge, more than 600MB each. If there
is a repository for vmlinux files only, that will be even better.
Please advise. Thank you so much.
Eugene
1:24 p.m.
On Tue, Jul 29, 2014 at 04:10:24PM +0000, Ku, Eugene wrote:
Hello,
I am working on a product that supports Ubuntu 12.04 LTS. Ubuntu 12.04 LTS has delivered
many different versions of Linux kernel. In order to run crash to analyze crash dump from
Ubuntu 12.04 LTS, we need a matching debugging Linux kernel module, vmlinux. Do you know
if there is repository for all released Ubuntu kernel debuginfo packages? I have searched
Ubunut and Debian web sites but could not find such a site. The closest thing I have
found is http://ddebs.ubuntu.com/pool/main/l/linux/; however it only has
linux-image-3.2.0-* ddeb packages. For Ubuntu 12.04 LTS it has delivered 3.2.0-*, 3.5.0-*
and 3.8.0-* kernels. These ddeb packages are also huge, more than 600MB each. If there
is a repository for vmlinux files only, that will be even better.
Take a look at the advice for using Systemtap with Ubuntu (the
debuginfo requirements are the same):
https://wiki.ubuntu.com/Kernel/Systemtap
Regards,
Bryn.
12:47 p.m.
This information in Systemtap is identical to CrashdumpRecipe,
https://wiki.ubuntu.com/Kernel/CrashdumpRecipe. Both pages point to
http://ddebs.ubuntu.com/pool/main/l/linux/ but it does not contain any package for 3.5.0-*
or 3.8.0-* kernel.
Regards,
Eugene
-----Original Message-----
From: Bryn M. Reeves [mailto:bmr@redhat.com]
Sent: Tuesday, July 29, 2014 2:24 PM
To: Discussion list for crash utility usage, maintenance and development
Cc: Ku, Eugene
Subject: Re: [Crash-utility] Debuginfo packages for Ubuntu 12.04
On Tue, Jul 29, 2014 at 04:10:24PM +0000, Ku, Eugene wrote:
Hello,
I am working on a product that supports Ubuntu 12.04 LTS. Ubuntu 12.04 LTS has delivered
many different versions of Linux kernel. In order to run crash to analyze crash dump from
Ubuntu 12.04 LTS, we need a matching debugging Linux kernel module, vmlinux. Do you know
if there is repository for all released Ubuntu kernel debuginfo packages? I have searched
Ubunut and Debian web sites but could not find such a site. The closest thing I have
found is http://ddebs.ubuntu.com/pool/main/l/linux/; however it only has
linux-image-3.2.0-* ddeb packages. For Ubuntu 12.04 LTS it has delivered 3.2.0-*, 3.5.0-*
and 3.8.0-* kernels. These ddeb packages are also huge, more than 600MB each. If there
is a repository for vmlinux files only, that will be even better.
Take a look at the advice for using Systemtap with Ubuntu (the
debuginfo requirements are the same):
https://wiki.ubuntu.com/Kernel/Systemtap
Regards,
Bryn.
4 a.m.
On Thu, Jul 31, 2014 at 05:47:52PM +0000, Ku, Eugene wrote:
This information in Systemtap is identical to CrashdumpRecipe,
https://wiki.ubuntu.com/Kernel/CrashdumpRecipe. Both pages point to
http://ddebs.ubuntu.com/pool/main/l/linux/ but it does not contain any package for 3.5.0-*
or 3.8.0-* kernel.
Read the bit that says "How do I build a debuginfo kernel if one isn't
available?":
Getting the sources and compiling the kernel on Ubuntu.
$ cd $HOME
$ sudo apt-get install dpkg-dev debhelper gawk
$ mkdir tmp
$ cd tmp
$ sudo apt-get build-dep --no-install-recommends linux-image-$(uname -r)
$ apt-get source linux-image-$(uname -r)
$ cd linux-2.6.31 (this is currently the kernel version of 9.10)
$ fakeroot debian/rules clean
$ AUTOBUILD=1 fakeroot debian/rules binary-generic skipdbg=false
$ sudo dpkg -i
../linux-image-debug-2.6.31-19-generic_2.6.31-19.56_amd64.ddeb
Regards,
Bryn.
3622
days inactive
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Ku, Eugene