On Thu, Oct 18, 2007 at 06:14:07PM +0900, [email protected] wrote:
>
> Hi Simon,
>
> On Thu, 18 Oct 2007 14:37:41 +0900, Simon Horman <[email protected]> wrote:
> > On Wed, Oct 17, 2007 at 02:16:19PM +0900, Ken'ichi Ohmichi wrote:
> > >
> > > Hi Simon,
> > >
> > > Simon Horman wrote:
> > > > On Wed, Aug 22, 2007 at 09:13:39PM +0900, Ken'ichi Ohmichi wrote:
> > > >> [2/3] [kexec-tools] Pass vmcoreinfo's address and size
> > > >> The patch is for kexec-tools-testing-20070330.
> > > >> (http://www.kernel.org/pub/linux/kernel/people/horms/kexec-tools/)
> > > >> kexec command gets the address and size of the vmcoreinfo data from
> > > >> /sys/kernel/vmcoreinfo, and passes them to the second kernel through
> > > >> ELF header of /proc/vmcore. When the second kernel is booting, the
> > > >> kernel gets them from the ELF header and creates vmcoreinfo's PT_NOTE
> > > >> segment into /proc/vmcore.
> > > >
> > > > Sorry for the long delay, I completely missed this patch.
> > > >
> > > > The kexec-tools change seems ok to me. What is the status of
> > > > the kernel portion of the change?
> > >
> > > The kernel portion is merged into linux-2.6.23-mm1.
> > > According to Andrew's mail "-mm merge plans for 2.6.24", its status is
> > > "The infamous misc. Will re-review and will merge basically all of them".
> > >
> > > http://www.ussg.iu.edu/hypermail/linux/kernel/0710.0/0313.html
> > >
> > >
> > > > Do you still want the kexec-tools portion applied?
> > >
> > > Yes, I hope so.
> >
> > Thanks, applied :-)
>
> Thank you for applying ;-)
>
> But it has the compatibility problem that the kexec command fails on
> kernels which don't have /sys/kernel/vmcoreinfo:
>
> # ls /sys/kernel/
> debug kexec_crash_loaded kexec_loaded security uevent_helper
> uevent_seqnum
> #
> (There is not /sys/kernel/vmcoreinfo.)
>
> #
> # kexec -p --args-linux vmlinuz --initrd=initrd.img
> Could not open "/sys/kernel/vmcoreinfo": No such file or directory
> #
>
> To fix the problem, could you please apply the attached patch ?
> The fixed part is the same as the patch in the following mail.
Thanks, applied.
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