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? 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 >> -- _______________________________________________ linux-yocto mailing list linux-yocto@yoctoproject.org https://lists.yoctoproject.org/listinfo/linux-yocto
