苹果7使用中会重启，能通过分析说下啥意思

"panicString" : "panic(cpu 1 caller 0xfffffff01b039a4c): \"i2c2::_checkBusStatus SCL is stuck low; last write status 00010110 int shadow 00010100 xfer 50000000 fifo 00000000 for device audio-speaker-top\"@\/BuildRoot\/Library\/Caches\/com.apple.xbs\/Sources\/AppleS5L8940X\/AppleS5L8940X-169.0.1\/AppleS5L8940XI2C.cpp:351\nDebugger message: panic\nMemory ID: 0xff\nOS version: 17D50\nKernel version: Darwin Kernel Version 19.3.0: Thu Jan 9 21:10:55 PST 2020; root:xnu-6153.82.3~1\/