* jidong xiao [2008-08-27 17:51]: > > On Wed, Aug 27, 2008 at 5:27 PM, Bernhard Walle <bwalle at suse.de> wrote: > > Hi Jidong, > > > > * jidong xiao [2008-08-27 17:01]: > >> > >> I encountered the zero-size-vmcore issue on IA64. I remember last year > >> Nanhai submitted a patch which was intended to fix this issue, and I > >> noticed that patch is merged into mainline kernel. I am using > >> 2.6.27-rc2, which means that patch is included in my kernel.And after > >> the system > >> completed rebooting, there is nothing generated in KDUMP_SAVEDIR. Let > >> me know if I need to provide more information.Thanks. > > > > Which version of kexec-tools do you use? > > > Well I am using SLES10SP2,(I tried the experiments on SLES10SP2 > default kernel and also 2.6.27-rc2 mainline kernel, result is the > same.) With the SP2 default kernel, it should work. At lest /proc/vmcore should have a normal size. Can you set KDUMP_IMMEDIATE_REBOOT to "no", then log in in the serial console and execute # ls -l /proc/vmcore For 2.6.27 kernel on IA64, you have to update kexec-tools. I don't know the exact version when the change was included, but 2.0.0 is safe. :) Bernhard -- Bernhard Walle, SUSE LINUX Products GmbH, Architecture Development
