This indicates that the process tried to access a Shared memory segment that was corrupted for some reason, and will crash without calling "fatal_error" or "panic."
shmat is a UNIX function that attaches the shared memory segment associated with the shared memory identified by shmid (another Solaris function) to the data segment of the calling process.
shmat 是一个 UNIX 函数，它将与 shmid（另一个 Solaris 函数）所标识的共享内存相关的共享内存段附加到调用进程的数据段上。
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The Android software is squarely aimed at the smartphone segment of the handset market which adds sophisticated functions to the basic calling and texting capabilities of most phones.