[GIT PULL] Please pull x86 biarch crashdump support and misc devel

[CAI Qian]

----- "Eric W. Biederman" <ebiederm at xmission.com> wrote:

> ebiederm at xmission.com (Eric W. Biederman) writes:
> 
> > caiqian at redhat.com writes:
> >
> >>> I have fixed the wrong variable problem and I also spotted
> another
> >>> architecture test in crashdump-x86e that would only work on i386,
> and
> >>> fixed that.
> >>> 
> >>> The new version is up at:
> >>>
> git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/kexec-tools-devel.git
> >> # /sbin/kexec -p '--command-line=ro
> root=/dev/mapper/vg_intels3e3601-lv_root
> rd_LVM_LV=vg_intels3e3601/lv_root rd_LVM_LV=vg_intels3e3601/lv_swap
> rd_NO_LUKS rd_NO_MD rd_NO_DM LANG=en_US.UTF-8
> SYSFONT=latarcyrheb-sun16 KEYBOARDTYPE=pc KEYTABLE=us
> console=ttyS0,115200n81 irqpoll maxcpus=1 reset_devices
> cgroup_disable=memory sysrq_always_enabled '
> --initrd=/boot/initrd-2.6.32-71.el6.bz623007.x86_64kdump.img
> /boot/vmlinuz-2.6.32-71.el6.bz623007.x86_64
> >> Segmentation fault (core dumped)
> >
> > Thanks.  Wow I am out of it.  It appears that I was assuming
> elf_info
> > was zero initialized but taking no steps to make it that way, and
> > someone elf_info.get_note_info took the value of one.
> >
> > I have added a memset and pushed that version of my code.
> > I also took a moment and made certain that kexec -p at least works.
> >
> > I am surprised this bug didn't show up in my 32bit testing, *ugh*.
> >
> > So if you are brave and want to test there is a slim chance my new
> > version of kexec will actually work on x86_64 now.
> 
> Ok.  This time I really have tested my new version of kexec on x86_64
> and it is working.  At least enough to get me a crashdump that I
> can read with vmcore-dmesg.  So unless I think my horrible of trivial
> mistakes is at an end.
> 
> I would love to hear a test result from someone else,
> and I apologize to everyone for messing up.
It was also working for me, and the crash utility could open the vmcore and use several sub-commands without observing any problem.
> 
> Eric
> 
> _______________________________________________
> kexec mailing list
> kexec at lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/kexec