[Buildroot] COG crashes on Pi4 (wpe_webkit)
Daniel HiFiBerry
daniel at hifiberry.com
Sun May 24 09:43:36 UTC 2020
I have this integrated (it's just not on Github).
------ Originalnachricht ------
Von: "Peter Seiderer" <ps.report at gmx.net>
An: "Daniel HiFiBerry" <daniel at hifiberry.com>
Cc: buildroot at busybox.net
Gesendet: 5/24/2020 11:42:31 AM
Betreff: Re: [Buildroot] COG crashes on Pi4 (wpe_webkit)
>Hello Daniel,
>
>On Sun, 24 May 2020 08:59:53 +0000, "Daniel HiFiBerry" <daniel at hifiberry.com> wrote:
>
>> Hi Peter,
>>
>> While I didn't test with a minimal configuration, using the
>> "--backend=drm-backend.so" doesn't make a difference in my full-blown
>> build.
>> I'm using this already. I will do some more experiments...
>
>The trick for hifiberry-os should do (untested) the missing
>
> BR2_PACKAGE_MESA3D_GALLIUM_DRIVER_KMSRO=y
>
>in your configuration (see the 'hidden' hint in package/mesa3d/Config.in
>([1])...
>
>Regards,
>Peter
>
>[1] https://git.buildroot.net/buildroot/tree/package/mesa3d/Config.in#n265
>
>>
>> Best regards,
>> Daniel
>>
>> ------ Originalnachricht ------
>> Von: "Peter Seiderer" <ps.report at gmx.net>
>> An: "usul27" <daniel at hifiberry.com>
>> Cc: buildroot at busybox.net
>> Gesendet: 5/23/2020 10:29:48 PM
>> Betreff: Re: [Buildroot] COG crashes on Pi4 (wpe_webkit)
>>
>> >Hello Daniel,
>> >
>> >On Fri, 22 May 2020 09:17:18 -0500 (CDT), usul27 <daniel at hifiberry.com> wrote:
>> >
>> >> Ok, finally got a build with debug symbols:
>> >>
>> >> Thread 1 "cog" received signal SIGSEGV, Segmentation fault.
>> >> 0x00000000 in ?? ()
>> >> (gdb) backtrace
>> >> #0 0x00000000 in ?? ()
>> >> #1 0xb1799f84 in ffi_call_SYSV () from /lib/libffi.so.7
>> >> #2 0xb17993fc in ffi_call_int () from /lib/libffi.so.7
>> >> #3 0xb1799b1c in ffi_call () from /lib/libffi.so.7
>> >> #4 0xb149b28c in wl_closure_invoke (closure=closure at entry=0xadb03a00,
>> >> flags=flags at entry=2, target=<optimized out>, opcode=3025639260,
>> >> data=<optimized out>, data at entry=0x74c60) at src/connection.c:1014
>> >> #5 0xb1497db0 in wl_client_connection_data (fd=<optimized out>,
>> >> mask=<optimized out>, data=0x74c60) at src/wayland-server.c:429
>> >> #6 0xb1499608 in wl_event_loop_dispatch (loop=0x5bfc8, timeout=<optimized
>> >> out>) at src/event-loop.c:640
>> >> #7 0xb0c59400 in WS::ServerSource::{lambda(_GSource*, int (*)(void*),
>> >> void*)#3}::_FUN(_GSource*, int (*)(void*), void*) () from
>> >> /lib/libWPEBackend-fdo-1.0.so.1
>> >> Backtrace stopped: previous frame identical to this frame (corrupt stack?)
>> >>
>> >> Somebody has any idea?
>> >
>> >Did some test on RPi4 with the following defconfig:
>> >
>> >BR2_arm=y
>> >BR2_cortex_a72=y
>> >BR2_ARM_FPU_NEON_VFPV4=y
>> >BR2_ENABLE_DEBUG=y
>> >BR2_TOOLCHAIN_BUILDROOT_GLIBC=y
>> >BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_4_19=y
>> >BR2_BINUTILS_VERSION_2_31_X=y
>> >BR2_TOOLCHAIN_BUILDROOT_CXX=y
>> >BR2_PACKAGE_HOST_GDB=y
>> >BR2_GDB_VERSION_8_3=y
>> >BR2_ROOTFS_DEVICE_CREATION_DYNAMIC_EUDEV=y
>> >BR2_SYSTEM_DHCP="eth0"
>> >BR2_GENERATE_LOCALE="en_US"
>> >BR2_ROOTFS_POST_BUILD_SCRIPT="board/raspberrypi4/post-build.sh"
>> >BR2_ROOTFS_POST_IMAGE_SCRIPT="board/raspberrypi4/post-image.sh"
>> >BR2_ROOTFS_POST_SCRIPT_ARGS="--add-pi3-miniuart-bt-overlay"
>> >BR2_LINUX_KERNEL=y
>> >BR2_LINUX_KERNEL_CUSTOM_TARBALL=y
>> >BR2_LINUX_KERNEL_CUSTOM_TARBALL_LOCATION="$(call github,raspberrypi,linux,4f2a4cc501c428c940549f39d5562e60404ac4f7)/linux-4f2a4cc501c428c940549f39d5562e60404ac4f7.tar.gz"
>> >BR2_LINUX_KERNEL_DEFCONFIG="bcm2711"
>> >BR2_LINUX_KERNEL_DTS_SUPPORT=y
>> >BR2_LINUX_KERNEL_INTREE_DTS_NAME="bcm2711-rpi-4-b"
>> >BR2_LINUX_KERNEL_NEEDS_HOST_OPENSSL=y
>> >BR2_PACKAGE_STRACE=y
>> >BR2_PACKAGE_DEJAVU=y
>> >BR2_PACKAGE_COG=y
>> >BR2_PACKAGE_MESA3D=y
>> >BR2_PACKAGE_MESA3D_GALLIUM_DRIVER_KMSRO=y
>> >BR2_PACKAGE_MESA3D_GALLIUM_DRIVER_V3D=y
>> >BR2_PACKAGE_MESA3D_GALLIUM_DRIVER_VC4=y
>> >BR2_PACKAGE_MESA3D_OPENGL_ES=y
>> >BR2_PACKAGE_WESTON=y
>> >BR2_PACKAGE_WESTON_DRM=y
>> >BR2_PACKAGE_WESTON_DEMO_CLIENTS=y
>> >BR2_PACKAGE_RPI_FIRMWARE=y
>> >BR2_PACKAGE_RPI_FIRMWARE_VARIANT_PI4=y
>> >BR2_PACKAGE_WPEWEBKIT=y
>> >BR2_PACKAGE_OPENSSH=y
>> >BR2_TARGET_ROOTFS_EXT2=y
>> >BR2_TARGET_ROOTFS_EXT2_4=y
>> >BR2_TARGET_ROOTFS_EXT2_LABEL=""
>> >BR2_TARGET_ROOTFS_EXT2_SIZE="256M"
>> ># BR2_TARGET_ROOTFS_TAR is not set
>> >BR2_PACKAGE_HOST_DOSFSTOOLS=y
>> >BR2_PACKAGE_HOST_GENIMAGE=y
>> >BR2_PACKAGE_HOST_MTOOLS=y
>> >
>> >Running:
>> >
>> > $ export XDG_RUNTIME_DIR=/tmp
>> > $ weston --tty 1 &
>> > $ cog --platform=fdo
>> >
>> >leads to the 'Segmentation fault' as you described...
>> >
>> >Running:
>> >
>> > $ export XDG_RUNTIME_DIR=/tmp
>> > $ weston --tty 1 --backend=drm-backend.so &
>> > $ cog --platform=fdo
>> >
>> >works...
>> >
>> >Regards,
>> >Peter
>> >
>> >
>> >>
>> >>
>> >>
>> >>
>> >> --
>> >> Sent from: http://buildroot-busybox.2317881.n4.nabble.com/
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>> >
>>
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