On Thu, Aug 28, 2008 at 1:07 AM, Jay Lan <jlan@xxxxxxx> wrote: > jidong xiao wrote: >> Hi, All, >> >> 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 were you using? The mismatch between kernel and > kexec has caused me zero-size-vmcore problem. I need to switch kexec > when i boot up a more recent upstream kernel or a sles10/rhel5 kernel. > Aha, good news, finally I successfully achieved kdump on 2.6.27-rc2. The only change is I replaced sles10sp2-ia64 default kexec-tools with kexec-tools 2.0.0 according to Bernhard's advice. lfg-ia64:~ # ls -l /proc/vmcore -r-------- 1 root root 4026595264 2008-08-28 11:53 /proc/vmcore lfg-ia64:~ # ls -l /var/log/dump/2008-08-28-11\:06/ total 3786128 -r-------- 1 root root 4026595264 2008-08-28 11:07 vmcore lfg-ia64:~ # du -h /var/log/dump/2008-08-28-11\:06/ 3.7G /var/log/dump/2008-08-28-11:06/ lfg-ia64:~ # file /var/log/dump/2008-08-28-11\:06/vmcore /var/log/dump/2008-08-28-11:06/vmcore: ELF 64-bit LSB core file IA-64 (Intel 64 bit architecture), version 1 (SYSV), SVR4-style lfg-ia64:~ # Thank you all. Jay, I also tested it with your kdb patches applied.i.e, test kdump command from inside kdb. The result is fine. overall, the experiments I did includes ia64 and i386, both are okay. Regards Jason > Regards, > - jay > >> >> Regards >> Jason >> -- >> To unsubscribe from this list: send the line "unsubscribe linux-ia64" in >> the body of a message to majordomo@xxxxxxxxxxxxxxx >> More majordomo info at http://vger.kernel.org/majordomo-info.html > > -- To unsubscribe from this list: send the line "unsubscribe linux-ia64" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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