On Thu, Oct 31, 2019 at 11:12 PM He Zhe <zhe...@windriver.com> wrote: > > Hi Bruce, > > This now happens on qemuarmv5 and possibly on all arm arches. > > standard.scc -> arm.scc -> arm.cfg -> CONFIG_CC_OPTIMIZE_FOR_SIZE=y > > It hangs the whole system. > But turning off CONFIG_CC_OPTIMIZE_FOR_SIZE would affect all arches. > > What do you think?
It used to be the opposite. The boards only booted with this enabled. So my worry about changing it globally is that I fix some boards, and break others. We can always just change the setting in the BSP .cfg's that we can prove they build and boot. Bruce > > Thanks, > Zhe > > > On 10/30/19 8:25 AM, Bruce Ashfield wrote: > > merged. > > > > We should also either have a plan to figure out the root cause > > of this, or we should patch the Kconfig to be broken if enabled > > .. that way we'll prevent others from turning it on by mistake. > > > > > > Bruce > > > > > > In message: [linux-yocto] [kernel-cache yocto-5.2/master] [PATCH] > > ti-am335x: enable GCC -O2 optimization > > on 29/10/2019 Jun Miao wrote: > > > >> Ti-am335x bsp includes the standard.scc file, which will set > >> CONFIG_CC_OPTIMIZE_FOR_SIZE=y. > >> As a result, the system boot hangs like below in v5.4.0-rc4 kernel version: > >> When we enable CONFIG_CC_OPTIMIZE_FOR_PERFORMANCE for -O2 Optimization > >> level, > >> the boot succeeds. > >> > >> boot log: > >> systemd[1]: Set hostname to <ti-am335x>. > >> systemd[1]: Failed to open netlink: Operation not permitted > >> systemd-fstab-generator[120]: Failed to write unit file -.mount: Bad > >> address > >> systemd-fstab-generator[120]: Failed to write unit file > >> var-volatile.mount: Bad address > >> ... ... > >> systemd[1]: Failed to start device monitor: Bad address > >> systemd[1]: SO_PASSCRED failed: Bad address > >> [!!!!!!] Failed to start up manager. > >> systemd[1]: Freezing execution. > >> > >> Signed-off-by: Jun Miao <jun.m...@windriver.com> > >> --- > >> bsp/ti-am335x/ti-am335x.cfg | 2 ++ > >> 1 file changed, 2 insertions(+) > >> > >> diff --git a/bsp/ti-am335x/ti-am335x.cfg b/bsp/ti-am335x/ti-am335x.cfg > >> index 71884fd7..190cb876 100644 > >> --- a/bsp/ti-am335x/ti-am335x.cfg > >> +++ b/bsp/ti-am335x/ti-am335x.cfg > >> @@ -258,3 +258,5 @@ CONFIG_OMAP_CONTROL_PHY=y > >> > >> CONFIG_TI_PIPE3=y > >> CONFIG_ARM_PMU=y > >> + > >> +CONFIG_CC_OPTIMIZE_FOR_PERFORMANCE=y > >> -- > >> 2.17.1 > >> > -- - Thou shalt not follow the NULL pointer, for chaos and madness await thee at its end - "Use the force Harry" - Gandalf, Star Trek II -- _______________________________________________ linux-yocto mailing list linux-yocto@yoctoproject.org https://lists.yoctoproject.org/listinfo/linux-yocto
