기존 이솝 임베디드 포럼의 지식인 서비스가 게시판 형태로 변경되었습니다.
머가 잘 못된건지 잘 모르겠네요.
센서 probe함수를 호출해서 진행되고 있는 와중에,
커널에서 아래의 메시지를 보넸는데, 머라는 의미인가요?
[ 1.325365] WARNING: Accel irq not assigned
[ 1.331898] Modules linked in:
[ 1.334938] [<c0040c74>] (unwind_backtrace+0x0/0xf8) from [<c006e8d4>] (warn_slowpath_common+0x54/0x7c)
[ 1.344317] [<c006e8d4>] (warn_slowpath_common+0x54/0x7c) from [<c006e990>] (warn_slowpath_fmt+0x30/0x40)
[ 1.353865] [<c006e990>] (warn_slowpath_fmt+0x30/0x40) from [<c026bf14>] (mpu3050_probe+0x3ec/0x89c)
[ 1.362981] [<c026bf14>] (mpu3050_probe+0x3ec/0x89c) from [<c02f1ee4>] (i2c_device_probe+0xc4/0xe8)
[ 1.372009] [<c02f1ee4>] (i2c_device_probe+0xc4/0xe8) from [<c025d2d4>] (driver_probe_device+0x9c/0x1c4)
[ 1.381469] [<c025d2d4>] (driver_probe_device+0x9c/0x1c4) from [<c025d488>] (__driver_attach+0x8c/0x90)
[ 1.390842] [<c025d488>] (__driver_attach+0x8c/0x90) from [<c025ca6c>] (bus_for_each_dev+0x60/0x8c)
[ 1.399869] [<c025ca6c>] (bus_for_each_dev+0x60/0x8c) from [<c025c388>] (bus_add_driver+0x23c/0x304)
[ 1.408983] [<c025c388>] (bus_add_driver+0x23c/0x304) from [<c025d73c>] (driver_register+0x70/0x150)
[ 1.418098] [<c025d73c>] (driver_register+0x70/0x150) from [<c02f2d70>] (i2c_register_driver+0x30/0x8c)
[ 1.427471] [<c02f2d70>] (i2c_register_driver+0x30/0x8c) from [<c001fa88>] (mpu_init+0x10/0x3c)
[ 1.436155] [<c001fa88>] (mpu_init+0x10/0x3c) from [<c0039548>] (do_one_initcall+0x34/0x1cc)
[ 1.444573] [<c0039548>] (do_one_initcall+0x34/0x1cc) from [<c0008604>] (kernel_init+0x1b0/0x24c)
[ 1.453431] [<c0008604>] (kernel_init+0x1b0/0x24c) from [<c003b400>] (kernel_thread_exit+0x0/0x8)
[ 1.462283] ---[ end trace 0979ad58c6f86af8 ]---
[ 1.466873] i2c i2c-2: mpu3050: +ams0303
mpu3050 초기화시 warn_slowpath_common 함수에서 죽었다는 얘기네요.
드라이버 코드의 구성에 문제가 있는 듯 합니다.