Re: [PATCH] systemd: disable problematic GCC 5.2 optimizations

[Jonathan Liu <net147@gmail.com>]

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Hi Khem,

On 22/09/2015 3:05 AM, Khem Raj wrote:
>
> Please make it arm specific
>
I have sent V2 that only makes the change for arm.
Interestly, this issue doesn't appear for qemuarm (ARMv5) when running 
under qemu.

I am wondering if this issue affects platforms other than ARM on real 
boards depending on TUNE_FEATURES and TARGET_FPU.
> On Sep 21, 2015 4:22 AM, "Jonathan Liu" <net147@gmail.com 
> <mailto:net147@gmail.com>> wrote:
>
>     This fixes systemd failing to start on Raspberry Pi 2 if it is
>     compiled
>     with GCC 5.2.
>
>     It would try to start "Journal Service" and "udev Kernel Device
>     Manager"
>     but fail repeatedly.
>
>     [YOCTO #8291]
>
>     Signed-off-by: Jonathan Liu <net147@gmail.com
>     <mailto:net147@gmail.com>>
>     ---
>      meta/recipes-core/systemd/systemd_225.bb <http://systemd_225.bb>
>     | 3 +++
>      1 file changed, 3 insertions(+)
>
>     diff --git a/meta/recipes-core/systemd/systemd_225.bb
>     <http://systemd_225.bb> b/meta/recipes-core/systemd/systemd_225.bb
>     <http://systemd_225.bb>
>     index f7d4c7d..4a19ff4 100644
>     --- a/meta/recipes-core/systemd/systemd_225.bb <http://systemd_225.bb>
>     +++ b/meta/recipes-core/systemd/systemd_225.bb <http://systemd_225.bb>
>     @@ -123,6 +123,9 @@ EXTRA_OECONF = " --with-rootprefix=${rootprefix} \
>      # uclibc does not have NSS
>      EXTRA_OECONF_append_libc-uclibc = " --disable-myhostname "
>
>     +# disable problematic GCC 5.2 optimizations [YOCTO #8291]
>     +FULL_OPTIMIZATION += "-fno-schedule-insns -fno-schedule-insns2"
>     +
>      do_configure_prepend() {
>             export NM="${HOST_PREFIX}gcc-nm"
>             export AR="${HOST_PREFIX}gcc-ar"
>     --
>     2.5.0<http://lists.openembedded.org/mailman/listinfo/openembedded-core>
>
Regards,
Jonathan

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