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Old 01-02-2008, 03:21 AM
David Timms
 
Default Kdump on Fedora - has it been superseded ?

Mohammed Omar wrote:

Does Fedora supports kdump ? (especially F8)

http://www.google.com.au/search?q=fedora+8+kdump

http://docs.fedoraproject.org/release-notes/f8/iso/en_US/sn-Kernel.html#sn-Kernel-Flavors
http://kbase.redhat.com/faq/FAQ_105_9036.shtm

From the release notes, it seems like it should be available, however,
I don't see any separate kernel-kdump kernels since FC6, with the latest
being:

http://download.fedora.redhat.com/pub/fedora/linux/core/updates/6/i386/
kernel-kdump-2.6.20-1.2962.fc6.i686.rpm 25-Jun-2007

Following the kernel spec:
http://cvs.fedoraproject.org/viewcvs/rpms/kernel/F-7/kernel-2.6.spec?rev=1.3405&view=log

shows:

For F8:
===
Revision 1.78 - (view) (download) (annotate) - [select for diffs]
Fri Aug 10 06:32:43 2007 UTC (4 months, 3 weeks ago) by roland
spec fix for kdump kernel
===

For F7:
===
Revision 1.3214 - (view) (download) (annotate) - [select for diffs]
Tue Jun 5 04:44:46 2007 UTC (6 months, 4 weeks ago) by davej
* Tue Jun 05 2007 Dave Jones <davej@redhat.com>
- Allow kdump to read /proc/kcore. (#241362)
===
Revision 1.2918 - (view) (download) (annotate) - [select for diffs]
Sat Feb 3 17:13:17 2007 UTC (10 months, 4 weeks ago) by davej
remove last its of -kdump for 686
===
Revision 1.2869 - (view) (download) (annotate) - [select for diffs]
Wed Dec 13 19:34:03 2006 UTC (12 months, 2 weeks ago) by davej
kill off -kdump for 686/x86-64
===

It seems the capability was disabled during F7 and is no longer supported ?

If this is correct - the release notes {live} need an update, along with
the howto at http://fedoraproject.org/wiki/FC6KdumpKexecHowTo


DaveT.

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Old 01-02-2008, 08:40 AM
Benjamin Lewis
 
Default Kdump on Fedora - has it been superseded ?

On Wednesday 02 January 2008 04:21:00 am David Timms wrote:
> Mohammed Omar wrote:
> > Does Fedora supports kdump ? (especially F8)
>
> http://www.google.com.au/search?q=fedora+8+kdump
>
> http://docs.fedoraproject.org/release-notes/f8/iso/en_US/sn-Kernel.html#sn-
>Kernel-Flavors http://kbase.redhat.com/faq/FAQ_105_9036.shtm
>
> From the release notes, it seems like it should be available, however,
> I don't see any separate kernel-kdump kernels since FC6, with the latest
> being:
> http://download.fedora.redhat.com/pub/fedora/linux/core/updates/6/i386/
> kernel-kdump-2.6.20-1.2962.fc6.i686.rpm 25-Jun-2007
>
> Following the kernel spec:
> http://cvs.fedoraproject.org/viewcvs/rpms/kernel/F-7/kernel-2.6.spec?rev=1.
>3405&view=log
>
> shows:
>
> For F8:
> ===
> Revision 1.78 - (view) (download) (annotate) - [select for diffs]
> Fri Aug 10 06:32:43 2007 UTC (4 months, 3 weeks ago) by roland
> spec fix for kdump kernel
> ===
>
> For F7:
> ===
> Revision 1.3214 - (view) (download) (annotate) - [select for diffs]
> Tue Jun 5 04:44:46 2007 UTC (6 months, 4 weeks ago) by davej
> * Tue Jun 05 2007 Dave Jones <davej@redhat.com>
> - Allow kdump to read /proc/kcore. (#241362)
> ===
> Revision 1.2918 - (view) (download) (annotate) - [select for diffs]
> Sat Feb 3 17:13:17 2007 UTC (10 months, 4 weeks ago) by davej
> remove last its of -kdump for 686
> ===
> Revision 1.2869 - (view) (download) (annotate) - [select for diffs]
> Wed Dec 13 19:34:03 2006 UTC (12 months, 2 weeks ago) by davej
> kill off -kdump for 686/x86-64
> ===
>
> It seems the capability was disabled during F7 and is no longer supported ?

Correct me if I'm wrong, but I thought the default kernel now supported kdump,
except on one of the PPC architectures (may be PPC64).

>
> If this is correct - the release notes {live} need an update, along with
> the howto at http://fedoraproject.org/wiki/FC6KdumpKexecHowTo
>
> DaveT.



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ben.lewis@benl.co.uk

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Old 01-02-2008, 11:22 AM
David Timms
 
Default Kdump on Fedora - has it been superseded ?

Benjamin Lewis wrote:

On Wednesday 02 January 2008 04:21:00 am David Timms wrote:

Mohammed Omar wrote:

Does Fedora supports kdump ? (especially F8)

http://www.google.com.au/search?q=fedora+8+kdump

http://docs.fedoraproject.org/release-notes/f8/iso/en_US/sn-Kernel.html#sn-
Kernel-Flavors http://kbase.redhat.com/faq/FAQ_105_9036.shtm

From the release notes, it seems like it should be available, however,
I don't see any separate kernel-kdump kernels since FC6, with the latest
being:
http://download.fedora.redhat.com/pub/fedora/linux/core/updates/6/i386/
kernel-kdump-2.6.20-1.2962.fc6.i686.rpm 25-Jun-2007

Following the kernel spec:
http://cvs.fedoraproject.org/viewcvs/rpms/kernel/F-7/kernel-2.6.spec?rev=1.
3405&view=log

shows:

For F8:
===
Revision 1.78 - (view) (download) (annotate) - [select for diffs]
Fri Aug 10 06:32:43 2007 UTC (4 months, 3 weeks ago) by roland
spec fix for kdump kernel
===

For F7:
===
Revision 1.3214 - (view) (download) (annotate) - [select for diffs]
Tue Jun 5 04:44:46 2007 UTC (6 months, 4 weeks ago) by davej
* Tue Jun 05 2007 Dave Jones <davej@redhat.com>
- Allow kdump to read /proc/kcore. (#241362)
===
Revision 1.2918 - (view) (download) (annotate) - [select for diffs]
Sat Feb 3 17:13:17 2007 UTC (10 months, 4 weeks ago) by davej
remove last its of -kdump for 686
===
Revision 1.2869 - (view) (download) (annotate) - [select for diffs]
Wed Dec 13 19:34:03 2006 UTC (12 months, 2 weeks ago) by davej
kill off -kdump for 686/x86-64
===

It seems the capability was disabled during F7 and is no longer supported ?


Correct me if I'm wrong, but I thought the default kernel now supported kdump,
except on one of the PPC architectures (may be PPC64).



If this is correct - the release notes {live} need an update, along with
the howto at http://fedoraproject.org/wiki/FC6KdumpKexecHowTo

You may be quite correct, and wes replied the same on the f-test list.

If that is the case- how do we go about actually using it ?
ie following along with the FC6KdumpKexecHowTo {where possible}:
# yum install kexec-tools crash
# yum --enablerepo=*debuginfo install kernel-debuginfo
- add the parameters to grub as suggested.
- manually service kdump start or restart the machine since the service
defaults to start.

- cause a crash with the cat /proc command.
Result I got was mouse stopped working, with some colour changes in the
clock and my desktop background image. After 4 minutes, tried a heap of
keys like ctrl-alt-f1 etc, ctrl-alt-backspace, alt-tab etc.

Numlock still operational {ie led toggles}.
Pressing ctrl-alt-delete did initiate a reboot.

Checking in /var/crash/ showed no files.

David Timms.

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