I am running Directfb with matrox mistique graphic card (MGA1064SG) , since I heard directfb has a better performance with MATROX graphic card. While running the application on DirctFB , following error occurred and the application will not run.
Could you please give me any suggestion about the cause of the following signal ?
The log message:
(!) [ 544: 0.460] --> Caught signal 11 (at (nil), invalid address) <-- (-) [ 544: 0.460] DirectFB/core/fusion: (fusion_shmalloc_cure) trying to cure segfault at address (nil)... (-) [ 544: 0.461] DirectFB/core/fusion: (fusion_shmalloc_cure) won't cure, address is outside shared address s pace. (-) [ 544: 0.461] DirectFB/Core: dfb_core_destroy... (-) [ 544: 0.461] DirectFB/Core: Shutting down...
I did the following procedure for installing the directfb on my debian machine,
Installed debian linux 3.0r1 woody upgraded the debian linux from net downloaded the linux kernel 2.4.24 from net applied the patch fusion-full-linux-2.4.22.patch to kernel configured the kernel with
Processor type and features ---> [*] MTRR (Memory Type Range Register) support
Code maturity level options ---> Prompt for development and/or incomplete code/drivers
Character devices ---> Fusion Kernel Device (NEW)
Console drivers ---> Frame-buffer support ---> Support for frame buffer devices (EXPERIMENTAL) (NEW) <*> Matrox acceleration (EXPERIMENTAL) [*] Millennium I/II support [*] Mystique support [*] G100/G200/G400/G450/G550 support
File systems ---> Virtual memory file system support (former shm fs)
The kernel is built, installed and rebooted the machine.
---------------------------------------------------------------- for info:
debian:/usr/src/linux-2.4.24# fbset -i
mode "640x480-60" # D: 25.176 MHz, H: 31.469 kHz, V: 59.942 Hz geometry 640 480 640 6547 8 timings 39721 40 24 32 11 96 2 accel true rgba 8/0,8/0,8/0,0/0 endmode
Frame buffer device information: Name : MATROX Address : 0xf5000000 Size : 4190208 Type : PACKED PIXELS Visual : PSEUDOCOLOR XPanStep : 8 YPanStep : 1 YWrapStep : 0 LineLength : 640 MMIO Address: 0xf4808000 MMIO Size : 16384 Accelerator : Matrox MGA1064SG (Mystique) ---------------------------------------------------------------- In /etc/lilo.conf I added the following lines
vga = 792 append = "video=matrox:vesa:440" # then switch to Matroxfb
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