----- "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
