https://bugzilla.novell.com/show_bug.cgi?id=447011
Summary: Copying /proc/vmcore failed with 'Bad address' in
opensuse 11.1 Beta5
Product: openSUSE 11.1
Version: Beta 5
Platform: PowerPC-64
OS/Version: All
Status: NEW
Severity: Major
Priority: P5 - None
Component: Documentation
AssignedTo: ke@novell.com
ReportedBy: bugproxy@us.ibm.com
QAContact: ke@novell.com
Found By: Third Party Developer/Partner
Partner ID: LTC 49992
=Comment: #0=================================================
Pavan Naregundi -
Copying /proc/vmcore failed with following error on opensuse 11.1 beta5
bash-3.2# cp /proc/vmcore /root/vmcore
cp: reading `/proc/vmcore': Bad address
bash-3.2# ls -l /root/vmcore
-r-------- 1 root root 7281311744 Nov 18 07:10 /root/vmcore
bash-3.2# ls -l /proc/vmcore
-r-------- 1 root root 7381978996 Nov 18 07:10 /proc/vmcore
bash-3.2#
linux-8b3h:~ # uname -a
Linux linux-8b3h 2.6.27.5-2-ppc64 #1 SMP 2008-11-11 15:15:33 +0100 ppc64 ppc64
ppc64 GNU/Linux
linux-8b3h:~ #
Machine: P55A
CPU type: power 5
=Comment: #1=================================================
Sachin P. Sant -
Bumping the severity to high as vmcore copy fails.
=Comment: #2=================================================
Sachin P. Sant -
Pavan, please check with Linux on Power test team if they encountered same
issue with SLES 11 Beta5
release ?
=Comment: #3=================================================
Pavan Naregundi -
Tried with crashkernel=256M@32M, and copying vmcore succeeded without any
errors. I used
crashkernel=128M@16M as mentioned in http://en.opensuse.org/Kdump before to
find the error in
copying of /proc/vmcore.
=Comment: #4=================================================
Cijurajan Kollanoor <> -
The wiki http://en.opensuse.org/Kdump says:
Architecture Option
i386 and x86-64 crashkernel=64M@16M
IA64 crashkernel=256M (small systems) or crashkernel=512M
(larger systems)
ppc64 crashkernel=128M@16M
Please update the crash kernel parameter for ppc64 as crashkernel=256M@32M
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