RE: Does a new booting kernel by "kexec -l" need to copy IR table from previous kernel?

2017-04-28 Thread Zhuo, Qiuxu
Hi Joerg Roedel, > From: j...@8bytes.org [mailto:j...@8bytes.org] > Yes, that is true. But the messages are harmless and you are safe to ignore > them in your usecase. > We only care about the kdump case when copying the old IR and DMAR tables > into the new kernel, > because in the kdump

Re: Does a new booting kernel by "kexec -l" need to copy IR table from previous kernel?

2017-04-27 Thread Raj, Ashok
Hi Joerg, On Thu, Apr 27, 2017 at 06:12:38PM +0200, j...@8bytes.org wrote: > On Thu, Apr 27, 2017 at 03:34:06PM +, Zhuo, Qiuxu wrote: > > It looks like the printk is misleading and it’s nothing actually > > failed, but just it isn’t copying if the new kernel is not a kdump > > kernel. > >

Re: Does a new booting kernel by "kexec -l" need to copy IR table from previous kernel?

2017-04-27 Thread j...@8bytes.org
On Thu, Apr 27, 2017 at 03:34:06PM +, Zhuo, Qiuxu wrote: > It looks like the printk is misleading and it’s nothing actually > failed, but just it isn’t copying if the new kernel is not a kdump > kernel. Yes, that is true. But the messages are harmless and you are safe to ignore them in your

Does a new booting kernel by "kexec -l" need to copy IR table from previous kernel?

2017-04-27 Thread Zhuo, Qiuxu
Hi Joerg Roedel, When we run below command, the kernel message showed below confusing failed messages: sudo kexec -l /boot/vmlinuz-4.11.0-rc7 --append=root=UUID=276659dd-77f0-47f9-967c-7643c260b746 --initrd=/boot/initrd.img-4.11.0-rc7 sudo kexec -e --- [