<br><font size=2 face="sans-serif">Hi,</font><font size=3> <br>
</font><font size=2 face="sans-serif"><br>
Adding boot logs</font><font size=3> <br>
</font><font size=2 face="sans-serif"><br>
NET: Registered protocol family 1</font><font size=3> </font><font size=2 face="sans-serif"><br>
audit: initializing netlink socket (disabled)</font><font size=3> </font><font size=2 face="sans-serif"><br>
type=2000 audit(1250069944.104:1): initialized</font><font size=3> </font><font size=2 face="sans-serif"><br>
VFS: Disk quotas dquot_6.5.1</font><font size=3> </font><font size=2 face="sans-serif"><br>
Dquot-cache hash table entries: 512 (order 0, 4096 bytes)</font><font size=3>
</font><font size=2 face="sans-serif"><br>
Warning: Core image elf header is notsane</font><font size=3> </font><font size=2 face="sans-serif"><br>
Kdump: vmcore not initialized</font><font size=3> </font><font size=2 face="sans-serif"><br>
Registering unionfs 2.2-mm</font><font size=3> </font><font size=2 face="sans-serif"><br>
msgmni has been set to 90</font><font size=3> </font><font size=2 face="sans-serif"><br>
io scheduler noop registered</font><font size=3> </font><font size=2 face="sans-serif"><br>
io scheduler anticipatory registered</font><font size=3><br>
<br>
</font><font size=2 face="sans-serif"><br>
however, similar case has already been discussed in other mailing lists
with vivek. The only difference is that, I am not using redhat system and
dont have any user level kexel tools. </font><font size=3> <br>
</font><font size=3 color=blue><u><br>
</u></font><a href="https://lists.linux-foundation.org/pipermail/fastboot/2007-January/012572.html"><font size=2 color=blue face="Trebuchet MS"><u>https://lists.linux-foundation.org/pipermail/fastboot/2007-January/012572.html</u></font></a><font size=3>
<br>
</font><font size=2 face="sans-serif"><br>
The kernel command line of capture kernel (kexe'ed kernel) : Kernel command
line: root=/dev/nfs rw console=ttyS0,115200 ip=::::::dhcp selinux=0 noacpi
maxcpus=1 memmap=exactmap memmap=640K@0K memmap=64876K@16384K elfcorehdr=81260K</font><font size=3>
<br>
<br>
</font><font size=2 face="sans-serif"><br>
Command line for the Primary kernel : root=/dev/nfs rw console=ttyS0,115200
ip=::::::dhcp crashkernel=64M@16M</font><font size=3> <br>
</font><font size=2 face="sans-serif"><br>
kexec command used : kexec -p bzImage --append="root=/dev/nfs rw console=ttyS0,115200
ip=::::::dhcp selinux=0 noacpi maxcpus=1"</font><font size=3> <br>
</font><font size=2 face="sans-serif"><br>
Kconfig options :</font><font size=3> <br>
</font><font size=2 face="sans-serif"><br>
CONFIG_CRASH_DUMP=y</font><font size=3> </font><font size=2 face="sans-serif"><br>
CONFIG_PHYSICAL_START=0x200000</font><font size=3> </font><font size=2 face="sans-serif"><br>
CONFIG_RELOCATABLE=y</font><font size=3> </font><font size=2 face="sans-serif"><br>
CONFIG_PHYSICAL_ALIGN=0x200000</font><font size=3><br>
</font><font size=2 face="sans-serif"><br>
Please suggest.</font><font size=3> <br>
</font><font size=2 face="sans-serif"><br>
</font><font size=3><br>
</font><font size=2 face="sans-serif">Chandan</font><font size=3> <br>
<br>
<br>
</font>
<table width=100%>
<tr valign=top>
<td width=48%><font size=1 face="sans-serif"><b>Dave Anderson <anderson@redhat.com></b>
<br>
Sent by: crash-utility-bounces@redhat.com</font><font size=3> </font>
<p><font size=1 face="sans-serif">08/12/2009 07:39 PM</font><font size=3>
</font>
<br>
<table border>
<tr valign=top>
<td bgcolor=white>
<div align=center><font size=1 face="sans-serif">Please respond to<br>
"Discussion list for crash utility usage, maintenance
and development" <crash-utility@redhat.com></font></div></table>
<p>
<td width=51%>
<table width=100%>
<tr valign=top>
<td width=7%>
<div align=right><font size=1 face="sans-serif">To</font></div>
<td width=92%><font size=1 face="sans-serif">"Discussion list for
crash utility usage, maintenance and development"
<crash-utility@redhat.com></font><font size=3> </font>
<tr valign=top>
<td>
<div align=right><font size=1 face="sans-serif">cc</font></div>
<td>
<tr valign=top>
<td>
<div align=right><font size=1 face="sans-serif">Subject</font></div>
<td><font size=1 face="sans-serif">Re: [Crash-utility] vmcore file size
0 on x86_64</font></table>
<br>
<br>
<table>
<tr valign=top>
<td>
<td></table>
<br></table>
<br><font size=3><br>
<br>
</font><tt><font size=2><br>
<br>
Forwarded to kexec list:<br>
<br>
</font></tt><a href="http://lists.infradead.org/pipermail/kexec/2009-August/003474.html"><tt><font size=2 color=blue><u>http://lists.infradead.org/pipermail/kexec/2009-August/003474.html</u></font></tt></a><tt><font size=2><br>
<br>
----- "Chandan12 K" <chandan12.k@tcs.com> wrote:<br>
<br>
> Hi,<br>
> <br>
> I am little new in this mailing list. I just wondered if anybody could<br>
> help me regarding the vmcore file generation. I ran kexec on my x86_64<br>
> machine, and the /proc/vmcore file is created with zero size.<br>
> <br>
> However, even if I read the /dev/oldmem file, I am only able to read<br>
> till 16M. I guess I am only able to read till the 'X', where X is<br>
> crashkernel=Y@X.<br>
> <br>
> Moreover, My machine seems to have 32 bit user space and ofcourse,
64<br>
> bit kernel space.<br>
> <br>
> Appreciate any response.<br>
> <br>
> Chandan Kumar<br>
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ForwardSourceID:NT0000987A </font><font size=3> </font>
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<br><font size=2 face="sans-serif"><br>
Chandan Kumar<br>
TCS Mumbai<br>
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</pre>