[yocto] Xorg failing with SEGV after Krogoth update
Khem Raj
raj.khem at gmail.com
Fri Jul 1 08:01:44 PDT 2016
On Thu, Jun 30, 2016 at 10:24 PM, Allan Chandler
<allan.chandler at dti.com.au> wrote:
> We recently did (attempted? ) an upgrade of our Yocto embedded build system
> from Fido to Krogoth and, other than one rather massive issue, it all went
> well.
>
>
>
> The massive issue is the fact that X11 is apparently not starting
> correctly. The embedded device boots okay since we can see in via a serial
> console as well as connecting via SSH.
>
>
>
> We've narrowed the actual issue down to the Xorg executable, after following
> the process the the rc5.d Xserver satrtup scripts and xinit - basically,
> Xorg is dumping core with the following output:
>
may be you can enable coredump and collect it for offline post mortem
setting ulimit -c unlimited e.g. when you run the suspected program will dump it
>
>
> X.Org X Server 1.18.0
>
> Release Date: 2015-11-09
>
> X Protocol Version 11, Revision 0
>
> Build Operating System: Linux 3.19.0-25-generic x86_64
>
> Current Operating System: Linux imx6 3.14.28+g2b0ab6d #1 SMP PREEMPT Thu
> Jun 30 12:20:09 AWST 2016 armv7l
>
> Kernel command line: console=ttymxc0,115200 consoleblank=0
> root=/dev/mmcblk3p2 rootwait
>
> Build Date: 30 June 2016 01:38:24PM
>
>
>
> Current version of pixman: 0.32.8
>
> Before reporting problems, check http://wiki.x.org
>
> to make sure that you have the latest version.
>
> Markers: (--) probed, (**) from config file, (==) default setting,
>
> (++) from command line, (!!) notice, (II) informational,
>
> (WW) warning, (EE) error, (NI) not implemented, (??) unknown.
>
> (==) Log file: "/var/log/Xorg.0.log", Time: Fri Jul 1 00:12:43 2016
>
> (==) Using config file: "/etc/X11/xorg.conf"
>
> (==) Using system config directory "/usr/share/X11/xorg.conf.d"
>
> (==) No Layout section. Using the first Screen section.
>
> (==) No screen section available. Using defaults.
>
> (**) |-->Screen "Default Screen Section" (0)
>
> (**) | |-->Monitor "<default monitor>"
>
> (==) No device specified for screen "Default Screen Section".
>
> Using the first device section listed.
>
> (**) | |-->Device "i.MX Accelerated Framebuffer Device"
>
> (==) No monitor specified for screen "Default Screen Section".
>
> Using a default monitor configuration.
>
> (**) Option "BlankTime" "0"
>
> (**) Option "StandbyTime" "0"
>
> (**) Option "SuspendTime" "0"
>
> (**) Option "OffTime" "0"
>
> (==) Automatically adding devices
>
> (==) Automatically enabling devices
>
> (==) Automatically adding GPU devices
>
> (==) Max clients allowed: 256, resource mask: 0x1fffff
>
> (WW) The directory "/usr/share/fonts/X11/misc/" does not exist.
>
> Entry deleted from font path.
>
> (WW) The directory "/usr/share/fonts/X11/TTF/" does not exist.
>
> Entry deleted from font path.
>
> (WW) The directory "/usr/share/fonts/X11/OTF/" does not exist.
>
> Entry deleted from font path.
>
> (WW) The directory "/usr/share/fonts/X11/Type1/" does not exist.
>
> Entry deleted from font path.
>
> (WW) The directory "/usr/share/fonts/X11/100dpi/" does not exist.
>
> Entry deleted from font path.
>
> (WW) The directory "/usr/share/fonts/X11/75dpi/" does not exist.
>
> Entry deleted from font path.
>
> (==) FontPath set to:
>
>
>
> (==) ModulePath set to "/usr/lib/xorg/modules"
>
> (II) The server relies on udev to provide the list of input devices.
>
> If no devices become available, reconfigure udev or disable
> AutoAddDevices.
>
> (II) Loader magic: 0x1c3a20
>
> (II) Module ABI versions:
>
> X.Org ANSI C Emulation: 0.4
>
> X.Org Video Driver: 20.0
>
> X.Org XInput driver : 22.1
>
> X.Org Server Extension : 9.0
>
> (II) xfree86: Adding drm device (/dev/dri/card0)
>
> (II) no primary bus or device found
>
> falling back to /sys/devices/platform/Vivante GCCore/drm/card0
>
> (II) LoadModule: "glx"
>
> (II) Loading /usr/lib/xorg/modules/extensions/libglx.so
>
> (II) Module glx: vendor="X.Org Foundation"
>
> compiled for 1.18.0, module version = 1.0.0
>
> ABI class: X.Org Server Extension, version 9.0
>
> (==) AIGLX enabled
>
> (II) LoadModule: "vivante"
>
> (II) Loading /usr/lib/xorg/modules/drivers/vivante_drv.so
>
> (II) Module vivante: vendor="X.Org Foundation"
>
> compiled for 1.18.0, module version = 1.0.0
>
> Module class: X.Org Video Driver
>
> ABI class: X.Org Video Driver, version 20.0
>
> (II) VIVANTE: driver for vivante fb: VivanteGC500, VivanteGC2100,
>
> VivanteGCCORE
>
> (--) using VT number 3
>
>
>
> (WW) Falling back to old probe method for vivante
>
> (II) Loading sub module "fbdevhw"
>
> (II) LoadModule: "fbdevhw"
>
> (II) Loading /usr/lib/xorg/modules/libfbdevhw.so
>
> (II) Module fbdevhw: vendor="X.Org Foundation"
>
> compiled for 1.18.0, module version = 0.0.2
>
> ABI class: X.Org Video Driver, version 20.0
>
> (II) VIVANTE(0): using default device
>
> (II) VIVANTE(0): Device preferred mode 'fb0':U:1024x768p-60
>
> (II) VIVANTE(0): Creating default Display subsection in Screen section
>
> "Default Screen Section" for depth/fbbpp 16/16
>
> (==) VIVANTE(0): Depth 16, (==) framebuffer bpp 16
>
> (==) VIVANTE(0): RGB weight 565
>
> (==) VIVANTE(0): Default visual is TrueColor
>
> (==) VIVANTE(0): Using gamma correction (1.0, 1.0, 1.0)
>
> (**) VIVANTE(0): Option "fbdev" "/dev/fb0"
>
> (II) VIVANTE(0): checking modes against framebuffer device...
>
> (II) VIVANTE(0): checking modes against monitor...
>
> (II) VIVANTE(0): Use built in mode (bpp 16)
>
> (--) VIVANTE(0): Virtual size is 0x0 (pitch 0)
>
> (==) VIVANTE(0): DPI set to (96, 96)
>
> (II) Loading sub module "fb"
>
> (II) LoadModule: "fb"
>
> (II) Loading /usr/lib/xorg/modules/libfb.so
>
> (II) Module fb: vendor="X.Org Foundation"
>
> compiled for 1.18.0, module version = 1.0.0
>
> ABI class: X.Org ANSI C Emulation, version 0.4
>
> (II) Loading sub module "exa"
>
> (II) LoadModule: "exa"
>
> (II) Loading /usr/lib/xorg/modules/libexa.so
>
> (II) Module exa: vendor="X.Org Foundation"
>
> compiled for 1.18.0, module version = 2.6.0
>
> ABI class: X.Org Video Driver, version 20.0
>
> (II) VIVANTE(0): printing discovered frame buffer 'fb0' supported modes:
>
> (II) VIVANTE(0): Modeline "U:1024x768p-60"x0.0 65.00 1024 1064 1124
> 1344 768 775 785 806 -hsync -vsync -csync (48.4 kHz eP)
>
> (II) VIVANTE(0): Output DISP4 BG has no monitor section
>
> (II) VIVANTE(0): Printing probed modes for output DISP4 BG
>
> (II) VIVANTE(0): Modeline "U:1024x768p-60"x60.0 65.00 1024 1064 1124
> 1344 768 775 785 806 -hsync -vsync -csync (48.4 kHz eP)
>
> (II) VIVANTE(0): Output DISP4 BG connected
>
> (II) VIVANTE(0): Using exact sizes for initial modes
>
> (II) VIVANTE(0): Output DISP4 BG using initial mode U:1024x768p-60 +0+0
>
> (II) VIVANTE(0): imxDisplayPreInit: virtual set 1024 x 768, display
> width 0
>
> (II) VIVANTE(0): FBDevPreInit: adjust display width 1024
>
> (**) VIVANTE(0): PreInit done
>
> (II) VIVANTE(0): Init mode for fb device
>
> (II) VIVANTE(0): hardware: DISP4 BG (video memory: 8164kB)
>
> (II) VIVANTE(0): FB Start = 0x75da6000 FB Base = 0x75da6000 FB Offset
> = (nil) FB PhyBase 0x3c500000
>
> (II) VIVANTE(0): reserve 4177920 bytes for on screen frame buffer; total
> fb memory size 8359936 bytes; offset of shadow buffer 4177920
>
> (II) VIVANTE(0): hardware: DISP4 BG (video memory: 8164kB)
>
> (WW) VIVANTE(0): FBIOPAN_DISPLAY: Invalid argument
>
> (II) VIVANTE(0): test Initializing EXA
>
> (EE)
>
> (EE) Backtrace:
>
> (EE)
>
> (EE) Segmentation fault at address 0xc
>
> (EE)
>
> Fatal server error:
>
> (EE) Caught signal 11 (Segmentation fault). Server aborting
>
> (EE)
>
> (EE)
>
> Please consult the The X.Org Foundation support
>
> at http://wiki.x.org
>
> for help.
>
> (EE) Please also check the log file at "/var/log/Xorg.0.log" for
> additional information.
>
> (EE)
>
> (EE) Server terminated with error (1). Closing log file.
>
> Aborted
>
>
>
> You can see in the final dozen lines or so that it gets a SIGSEGV. I've
> searched for a solution online but the only close one I've discovered
> (https://community.nxp.com/thread/327339) is for a different error.
>
>
>
> For what it's worth, the working Fido variant is much the same (though with
> different version numbers for components, primarily Xorg 1.16.3) but it
> carries on after the "test Initializing EXA" line:
>
>
>
> [2750328.650] (II) VIVANTE(0): test Initializing EXA
>
> [2750328.650] (II) VIVANTE(0): (driver build from:
> f2cae50cf6c3c924be2e06c43c819cb23ca1bf5c)
>
> [2750328.654] (II) EXA(0): Driver allocated offscreen pixmaps
>
> [2750328.654] (II) EXA(0): Driver registered support for the following
> operations:
>
> [2750328.654] (II) Solid
>
> [2750328.654] (II) Copy
>
> [2750328.654] (II) Composite (RENDER acceleration)
>
> [2750328.654] (II) UploadToScreen
>
> [2750328.670] (II) VIVANTE(0): Init SHM pixmap support
>
> [2750328.670] (==) VIVANTE(0): Backing store enabled
>
> [2750328.673] (==) VIVANTE(0): DPMS enabled
>
> [2750328.673] (II) VIVANTE(0): RandR 1.2 enabled, ignore the following
> RandR disabled message.
>
> [2750328.674] drmOpenDevice: node name is /dev/dri/card0
>
> [2750328.674] drmOpenDevice: open result is 11, (OK)
>
> [2750328.674] drmOpenDevice: node name is /dev/dri/card0
>
> [2750328.674] drmOpenDevice: open result is 11, (OK)
>
> [2750328.674] drmOpenByBusid: Searching for BusID platform:Vivante
> GCCore:00
>
> [2750328.674] drmOpenDevice: node name is /dev/dri/card0
>
> [2750328.674] drmOpenDevice: open result is 11, (OK)
>
> [2750328.674] drmOpenByBusid: drmOpenMinor returns 11
>
> [2750328.674] drmOpenByBusid: drmGetBusid reports platform:Vivante
> GCCore:00
>
> [2750328.674] (II) [drm] DRM interface version 1.4
>
> [2750328.674] (II) [drm] DRM open master succeeded.
>
> [2750328.674] (II) VIVANTE(0): [drm] Using the DRM lock SAREA also for
> drawables.
>
> [2750328.674] (II) VIVANTE(0): [drm] framebuffer handle = 0x44700000
>
> [2750328.674] (II) VIVANTE(0): [drm] added 1 reserved context for kernel
>
> [2750328.674] (II) VIVANTE(0): X context handle = 0x1
>
> [2750328.675] (II) VIVANTE(0): [drm] installed DRM signal handler
>
> [2750328.675] (II) VIVANTE(0): [DRI] installation complete
>
> [2750328.675] (--) RandR disabled
>
> [2750328.702] (II) AIGLX: Screen 0 is not DRI2 capable
>
> [2750328.702] (EE) AIGLX: reverting to software rendering
>
> [2750328.751] (II) AIGLX: Loaded and initialized swrast
>
> [2750328.751] (II) GLX: Initialized DRISWRAST GL provider for screen 0
>
> [2750328.753] (II) VIVANTE(0): Setting screen physical size to 270 x 203
>
>
>
> I'd appreciate any pointers on how best to debug/resolve this issue since I
> cannot appear to get any more detailed information out of `Xorg` itself. Or,
> alternatively, if anyone has seen this same (or very similar) problem, how
> was it solved?
>
>
>
> Cheers,
>
> Al.
>
>
>
> Allan Chandler | Software Engineer
>
> DTI Group Ltd | Transit Security & Surveillance
>
> 31 Affleck Road, Perth Airport, WA 6105, AU
>
> P | F | allan.chandler at dti.com.au
>
>
>
> Visit our website www.dti.com.au
>
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