Using the command make bzImage V=1 and looks like it defaults to x86 instead of x86_64 (output is below) gcc -Wp,-MD,scripts/kconfig/.zconf.tab.o.d -Wall -Wmissing-prototypes -Wstrict-prototypes -O2 -fomit-frame-pointer -I/usr/include/ncurses -DCURSES_LOC="<ncurses.h>" -DLOCALE -Iscripts/kconfig -c -o scripts/kconfig/zconf.tab.o scripts/kconfig/zconf.tab.c gcc -o scripts/kconfig/conf scripts/kconfig/conf.o scripts/kconfig/zconf.tab.o -lncursesw mkdir -p include/generated scripts/kconfig/conf -s arch/x86/Kconfig .config:621:warning: symbol value 'm' invalid for IP_DCCP_CCID3 .config:622:warning: symbol value 'm' invalid for IP_DCCP_TFRC_LIB .config:1355:warning: symbol value 'm' invalid for FIXED_PHY .config:1653:warning: symbol value 'm' invalid for ISDN .config:2737:warning: symbol value 'm' invalid for RTC_INTF_SYSFS .config:2738:warning: symbol value 'm' invalid for RTC_INTF_PROC .config:2739:warning: symbol value 'm' invalid for RTC_INTF_DEV .config:2761:warning: symbol value 'm' invalid for DMA_ENGINE .config:2827:warning: symbol value 'm' invalid for GFS2_FS_LOCKING_DLM * * Restart config... * * * General setup * Prompt for development and/or incomplete code/drivers (EXPERIMENTAL) [Y/n/?] y Local version - append to kernel release (LOCALVERSION) [] Automatically append version information to the version string (LOCALVERSION_AUTO) [N/y/?] n Kernel compression mode > 1. Gzip (KERNEL_GZIP) (NEW) 2. Bzip2 (KERNEL_BZIP2) (NEW) 3. LZMA (KERNEL_LZMA) (NEW) 4. LZO (KERNEL_LZO) (NEW) My gcc is updated to x86_64. Any comments/feedback please. Thanks V.A -----Original Message----- >From: Mulyadi Santosa <mulyadi.santosa@xxxxxxxxx> >Sent: Jun 25, 2010 11:07 PM >To: ridgetwo@xxxxxxxxxxxxx >Cc: kernelnewbies@xxxxxxxxxxxx >Subject: Re: building 64 bit kernel (2.6.34) on RHEL5.4 > >Hi... > >On Fri, Jun 25, 2010 at 22:38, <ridgetwo@xxxxxxxxxxxxx> wrote: >> Now I check the arch/x86_64/boot/bzImage and see that it is symbolically linked to arch/x86/boot/bzImage. >> >> file bzImage of x86/boot directory reveals that it is 32 bit executable: >> ../x86/boot/bzImage: Linux kernel x86 boot executable RO-rootFS, swap_dev 0x2, Normal VGA >> >> However the Red Hat kernel is 64 bit. ( file /boot/vmlinuz-2.6.18-164.11.1.el5 >> /boot/vmlinuz-2.6.18-164.11.1.el5: ELF 64-bit LSB shared object, AMD x86-64, version 1, stripped) > > >perhaps you need both CONFIG_64BIT >and CONFIG_X86_64 turned on? Try to experiment with it. And by using >"V=1" in make, perhaps you can see closer, what parameters are passed >to gcc. > >-- >regards, > >Mulyadi Santosa >Freelance Linux trainer and consultant > >blog: the-hydra.blogspot.com >training: mulyaditraining.blogspot.com -- To unsubscribe from this list: send an email with "unsubscribe kernelnewbies" to ecartis@xxxxxxxxxxxx Please read the FAQ at http://kernelnewbies.org/FAQ
