于 2013年04月03日 17:43, Wang YanQing 写道: > I get garbage output of /proc/cmdline and in dmesg when I > use kexec to load new kernel bzImage without append command > line like below: > > kexec -l bzImage --initrd=initramfs.
Hello Wang I tried this: ./build/sbin/kexec -l /boot/vmlinuz-2.6.32-279.el6.i686 --initrd=/boot/initramfs-2.6.32-279.el6.i686.img But nothing happened and it seemed the command loaded the kernel successfully. Can you describe your situation more concretely, please? Thanks Zhang > This patch fix it. > > Signed-off-by: Wang YanQing <[email protected]> > --- > kexec/arch/i386/kexec-bzImage.c | 3 +++ > kexec/arch/i386/kexec-elf-x86.c | 3 +++ > 2 files changed, 6 insertions(+) > > diff --git a/kexec/arch/i386/kexec-bzImage.c b/kexec/arch/i386/kexec-bzImage.c > index 99fd790..29f280d 100644 > --- a/kexec/arch/i386/kexec-bzImage.c > +++ b/kexec/arch/i386/kexec-bzImage.c > @@ -435,6 +435,9 @@ int bzImage_load(int argc, char **argv, const char *buf, > off_t len, > command_line_len = 0; > if (command_line) { > command_line_len = strlen(command_line) +1; > + } else { > + command_line = strdup("\0"); > + command_line_len = 1; > } > ramdisk_buf = 0; > if (ramdisk) { > diff --git a/kexec/arch/i386/kexec-elf-x86.c b/kexec/arch/i386/kexec-elf-x86.c > index e62ebcb..788a209 100644 > --- a/kexec/arch/i386/kexec-elf-x86.c > +++ b/kexec/arch/i386/kexec-elf-x86.c > @@ -161,6 +161,9 @@ int elf_x86_load(int argc, char **argv, const char *buf, > off_t len, > command_line_len = 0; > if (command_line) { > command_line_len = strlen(command_line) +1; > + } else { > + command_line = strdup("\0"); > + command_line_len = 1; > } > > /* Need to append some command line parameters internally in case of _______________________________________________ kexec mailing list [email protected] http://lists.infradead.org/mailman/listinfo/kexec
