Denis Oliver Kropp wrote: > Sakur schrieb: > >> Denis Oliver Kropp wrote: >> >>> Sakur schrieb: >>> >>> >>>> Hi All: >>>> I've built DirectFB on FC5 running on PS3. Now there's no problem to >>>> direct DFB app to X11 or SDL output. But the crash was immediately >>>> occurred if set back to FBDev output,even invoking simple "dfbinfo". >>>> Here's the error log (I added some simple log marked as red): >>>> >>>> ..... >>>> >>>> (-) [Main Thread 0.790] (13349) Core/Input: >>>> init_devices( 0x10017388 ) >>>> (-) [Main Thread 0.790] (13349) >>>> Core/Input: -> probing 'WM97xx Touchscreen >>>> Driver'... >>>> (-) [Main Thread 0.790] (13349) >>>> Core/Input: -> probing 'SonyPI Jogdial Driver'... >>>> (-) [Main Thread 0.790] (13349) >>>> Core/Input: -> probing 'PenMount 9509'... >>>> (-) [Main Thread 0.790] (13349) >>>> Core/Input: -> probing 'MuTouch'... >>>> (-) [Main Thread 0.790] (13349) >>>> Core/Input: -> probing 'Serial Mouse Driver'... >>>> (-) [Main Thread 0.790] (13349) >>>> Core/Input: -> probing 'PS/2 Mouse Driver'... >>>> (-) [Main Thread 0.790] (13349) >>>> Core/Input: -> 1 available device(s) provided >>>> by 'PS/2 Mouse Driver'. >>>> (*) open number:0,/dev/input/mice input mouse >>>> (*) mouse: PS2_IMPS2 >>>> (-) [PS/2 Input 0.840] (13353) Direct/Signals: Blocking all >>>> signals from now on! >>>> (*) Start read mouse data >>>> (*) Direct/Thread: Running 'PS/2 Input' (INPUT, 13353)... >>>> (-) [Main Thread 0.840] (13349) >>>> Core/Input: make_id( 0x01 ) >>>> (*) DirectFB/Input: IMPS/2 Mouse 1.0 (directfb.org) >>>> (-) [Main Thread 0.840] (13349) >>>> Core/Input: input_add_device( 0x1001e9d0 ) >>>> (-) [Main Thread 0.840] (13349) >>>> Core/Input: -> probing 'LIRC Driver'... >>>> (-) [Main Thread 0.840] (13349) >>>> Core/Input: -> probing 'Linux Input Driver'... >>>> (*) Linux Input: Driver_get_available Enter >>>> (*) get input device info >>>> (*) get_device_info call >>>> (*) get_device_info enter >>>> (*) Get device:Dell Dell USB Mouse >>>> (*) test_bit evbit >>>> (*) touchpad:0 >>>> (*) get_device_info leave >>>> (!) [13349: 0.840] --> Caught signal 11 (at (nil), invalid address) <-- >>>> (-) [13349: -STACK- ] >>>> #0 0x0f69bbd0 in signal_handler () from >>>> /usr/local/lib/libdirect-1.0.so.0 [0xf68e000] >>>> #1 0x0f1bdce0 in driver_get_available () from >>>> /usr/local/lib/directfb-1.0-0/inputdrivers/libdirectfb_linux_input.so >>>> [0xf1b9000] >>>> >>>> >>> get_device_info( fd, &info ); >>> >>> ioctl( fd, EVIOCGRAB, 0 ); >>> close( fd ); >>> >>> if (!dfb_config->linux_input_ir_only || >>> (info.desc.type & DIDTF_REMOTE)) >>> device_nums[num_devices++] = i; >>> >>> It could only be that dfb_config is NULL. That is when >>> dfb_config_init() was not called (by DirectFBInit()). >>> >>> But DirectFBCreate() checks that. >>> >>> >>> >> Hi,Denis: >> I've traced at the crashed point. The crash happened when >> "get_device_info" function returned. Seemed the return address was >> invalid.Even I put a log right after get_device_info call. No any >> output got shown after "get_device_info". >> Also,I removed some maybe unsupported CFLAGS to build. The crash >> still occurred at the same point. I believe PS3Linux gcc will generate >> 32-bit mode objects (Actually just similar as gcc for PowerPC).So what >> might be the cause? >> > > unsigned int num_keys = 0; > unsigned int num_ext_keys = 0; > unsigned int num_buttons = 0; > unsigned int num_rels = 0; > unsigned int num_abs = 0; > > unsigned long evbit[NBITS(EV_MAX)]; > unsigned long keybit[NBITS(KEY_MAX)]; > unsigned long relbit[NBITS(REL_MAX)]; > unsigned long absbit[NBITS(ABS_MAX)]; > > > I thought it could be that the stack limit is too low, but > these local variables would occupy only about 100 bytes. > > Hi,Denis: I found the crash was related with "test_bits" Macro. If the "get_device_info" function body contains "test_bits" Macro, the program would crash as I reported ,but if not ,the call is absolutely OK! However,this macro seemed doing not invalid memory operation . What's your opinion ? Thanks
Sakur
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