On 4/10/18 12:48 PM, Nicolas Dechesne wrote: > On Tue, Apr 10, 2018 at 1:20 PM, Ramon Fried <[email protected]> wrote: >> From: Ramon Fried <[email protected]> >> >> It appears that sometimes xserver-nodm.service is starting before >> display driver finished loading causing the following failure in >> Xorg log: >> (EE) open /dev/dri/card0: No such file or directory >> >> The introduced by this patch is to restart the service, >> hopefully the display driver will finish loading. >> >> Signed-off-by: Ramon Fried <[email protected]> > > we are seeing this issue on Dragonboard with meta-qcom BSP, where all > drivers needed for display/gpu are modules, so the display > initialization comes up 'late' in the boot. I had a discussion with > some upstream gnome folks who indicated that a similar race can be > observed on any hardware, it is not uncommon, and that's why they use > Restart=always in gdm.service as well, so that it keep trying until > the display comes up. > > it sounds reasonable change to me.
Restarting service always seems like a workaround here. I wonder if the kernel modules tied themselves to systemd-modules-load.service then the dependencies should sort themselves out. Alternatively we can also create a dependency on device being made available. > > Reviewed-by: Nicolas Dechesne <[email protected]> > >> --- >> .../x11-common/xserver-nodm-init/xserver-nodm.service.in | >> 1 + >> 1 file changed, 1 insertion(+) >> >> diff --git >> a/meta/recipes-graphics/x11-common/xserver-nodm-init/xserver-nodm.service.in >> b/meta/recipes-graphics/x11-common/xserver-nodm-init/xserver-nodm.service.in >> index 324a26f549..87dc4f8fcd 100644 >> --- >> a/meta/recipes-graphics/x11-common/xserver-nodm-init/xserver-nodm.service.in >> +++ >> b/meta/recipes-graphics/x11-common/xserver-nodm-init/xserver-nodm.service.in >> @@ -5,6 +5,7 @@ Description=Xserver startup without a display manager >> EnvironmentFile=/etc/default/xserver-nodm >> User=@USER@ >> ExecStart=/etc/xserver-nodm/Xserver >> +Restart=always >> >> [Install] >> Alias=display-manager.service >> -- >> The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, >> a Linux Foundation Collaborative Project >> -- _______________________________________________ Openembedded-core mailing list [email protected] http://lists.openembedded.org/mailman/listinfo/openembedded-core
