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(chroot) livecd / # genkernel --menuconfig --makeopts=-j4 all
* Gentoo Linux Genkernel; Version 3.4.52.4
* Running with options: --menuconfig --makeopts=-j4 all

* Using genkernel.conf from /etc/genkernel.conf
* Sourcing arch-specific config.sh from /usr/share/genkernel/arch/x86_64/config.sh ..
* Sourcing arch-specific modules_load from /usr/share/genkernel/arch/x86_64/modules_load ..

* Linux Kernel 4.4.21-gentoo for x86_64...
* .. with config file /etc/kernels/kernel-config-x86_64-4.4.21-gentoo
* kernel: Using config from /etc/kernels/kernel-config-x86_64-4.4.21-gentoo
*         Previous config backed up to .config--2016-10-21--02-32-41.bak
* kernel: >> Running mrproper...
*         >> Running oldconfig...
* kernel: >> Cleaning...
* kernel: >> Invoking menuconfig...
*         >> Compiling 4.4.21-gentoo bzImage...
*         >> Installing firmware ('make firmware_install') due to CONFIG_FIRMWARE_IN_KERNEL != y...
*         >> Compiling 4.4.21-gentoo modules...
*         >> Generating module dependency data...
* Copying config for successful build to /etc/kernels/kernel-config-x86_64-4.4.21-gentoo
* busybox: >> Using cache
* initramfs: >> Initializing...
*         >> Appending base_layout cpio data...
*         >> Appending auxilary cpio data...
*         >> Copying keymaps
*         >> Appending busybox cpio data...
*         >> Appending modules cpio data...
*         >> Appending btrfs cpio data...
* ERROR: Binary /sbin/btrfs could not be found
*
* -- Grepping log... --
*
*                 from include/linux/list.h:8,
*                 from include/linux/kobject.h:20,
*                 from include/linux/device.h:17,
*                 from kernel/irq/msi.c:13:
*kernel/irq/msi.c: In function ���msi_domain_alloc_irqs���:
*include/linux/dynamic_debug.h:86:3: warning: ���virq��� may be used uninitialized in this function [-Wmaybe-uninitialized]
*--
*  CC      arch/x86/kernel/cpu/mcheck/mce-severity.o
*  CC      arch/x86/kernel/cpu/mcheck/mce-genpool.o
*  CC      mm/swap_cgroup.o
*  CC      fs/seq_file.o
*  CC      arch/x86/kernel/cpu/mcheck/mce_intel.o
*  CC      mm/memory-failure.o
*--
*  CC      fs/fs-writeback.o
*  CC      mm/frame_vector.o
*  CC      arch/x86/kernel/cpu/microcode/intel.o
*  LD      mm/built-in.o
*arch/x86/kernel/cpu/microcode/intel.c: In function ���save_mc_for_early���:
*arch/x86/kernel/cpu/microcode/intel.c:516:1: warning: the frame size of 1032 bytes is larger than 1024 bytes [-Wframe-larger-than=]
* }
* ^
*arch/x86/kernel/cpu/microcode/intel.c: In function ���get_matching_model_microcode.isra.2.constprop���:
*arch/x86/kernel/cpu/microcode/intel.c:348:1: warning: the frame size of 1032 bytes is larger than 1024 bytes [-Wframe-larger-than=]
*--
*In file included from /usr/include/stdio.h:936:0,
*                 from Documentation/mic/mpssd/mpssd.h:23,
*                 from Documentation/mic/mpssd/mpssd.c:41:
*In function ���snprintf���,
*    inlined from ���set_cmdline��� at Documentation/mic/mpssd/mpssd.c:1541:9:
*/usr/include/bits/stdio2.h:64:3: warning: call to __builtin___snprintf_chk will always overflow destination buffer
*--
*  CC [M]  drivers/dma/ioat/prep.o
*  CC [M]  net/bluetooth/bnep/core.o
*  LD [M]  fs/fuse/fuse.o
*  CC [M]  fs/gfs2/acl.o
*drivers/dma/ioat/prep.c: In function ���ioat_prep_pqxor���:
*drivers/dma/ioat/prep.c:682:1: warning: the frame size of 1048 bytes is larger than 1024 bytes [-Wframe-larger-than=]
* }
* ^
*drivers/dma/ioat/prep.c: In function ���ioat_prep_pqxor_val���:
*drivers/dma/ioat/prep.c:714:1: warning: the frame size of 1048 bytes is larger than 1024 bytes [-Wframe-larger-than=]
*--
*  CC [M]  fs/jffs2/xattr.o
*  CC [M]  sound/pci/hda/patch_via.o
*  CC [M]  net/dccp/ccids/lib/tfrc_equation.o
*  CC [M]  drivers/gpu/drm/ati_pcigart.o
*fs/jffs2/xattr.c: In function ���jffs2_build_xattr_subsystem���:
*fs/jffs2/xattr.c:887:1: warning: the frame size of 1120 bytes is larger than 1024 bytes [-Wframe-larger-than=]
*--
*  CC [M]  drivers/isdn/hardware/mISDN/avmfritz.o
*In file included from drivers/gpu/drm/radeon/radeon_mode.h:37:0,
*                 from drivers/gpu/drm/radeon/radeon.h:80,
*                 from drivers/gpu/drm/radeon/r100.c:33:
*drivers/gpu/drm/radeon/r100.c: In function ���r100_bandwidth_update���:
*include/drm/drm_fixed.h:64:13: warning: ���crit_point_ff.full��� may be used uninitialized in this function [-Wmaybe-uninitialized]
*  u64 tmp = ((u64)A.full << 13);
*             ^
*drivers/gpu/drm/radeon/r100.c:3153:63: note: ���crit_point_ff.full��� was declared here
*  fixed20_12 peak_disp_bw, mem_bw, pix_clk, pix_clk2, temp_ff, crit_point_ff;
*                                                               ^
*drivers/gpu/drm/radeon/r100.c:3583:42: warning: ���disp_drain_rate.full��� may be used uninitialized in this function [-Wmaybe-uninitialized]
*--
*  CC [M]  drivers/usb/wusbcore/pal.o
*  CC [M]  drivers/usb/wusbcore/rh.o
*  CC [M]  drivers/net/ethernet/neterion/vxge/vxge-main.o
*  CC [M]  drivers/usb/wusbcore/reservation.o
*drivers/net/ethernet/neterion/vxge/vxge-main.c: In function ���vxge_poll_inta���:
*drivers/net/ethernet/neterion/vxge/vxge-main.c:1873:1: warning: the frame size of 1056 bytes is larger than 1024 bytes [-Wframe-larger-than=]
* }
* ^
*drivers/net/ethernet/neterion/vxge/vxge-main.c: In function ���vxge_tx_msix_handle���:
*drivers/net/ethernet/neterion/vxge/vxge-main.c:2248:1: warning: the frame size of 1040 bytes is larger than 1024 bytes [-Wframe-larger-than=]
* }
* ^
*  CC [M]  drivers/net/wireless/libertas/cmdresp.o
*drivers/net/ethernet/neterion/vxge/vxge-main.c: In function ���vxge_netpoll���:
*drivers/net/ethernet/neterion/vxge/vxge-main.c:1908:1: warning: the frame size of 1048 bytes is larger than 1024 bytes [-Wframe-larger-than=]
*--
* Running with options: --menuconfig --makeopts=-j4 all
* Using genkernel.conf from /etc/genkernel.conf
* Sourcing arch-specific config.sh from /usr/share/genkernel/arch/x86_64/config.sh ..
* Sourcing arch-specific modules_load from /usr/share/genkernel/arch/x86_64/modules_load ..
*
* ERROR: Binary /sbin/btrfs could not be found
*
* -- End log... --
*
* Please consult /var/log/genkernel.log for more information and any
* errors that were reported above.
*
* Report any genkernel bugs to bugs.gentoo.org and
* assign your bug to [email protected]. Please include
* as much information as you can in your bug report; attaching
* /var/log/genkernel.log so that your issue can be dealt with effectively.
*
* Please do *not* report compilation failures as genkernel bugs!