PetteriAimonen commented on pull request #3163:
URL: https://github.com/apache/incubator-nuttx/pull/3163#issuecomment-808032774
@masayuki2009 I think this may be related to unaligned access to
response_queue. This depends on optimization settings and struct layout, which
is why it didn't occur in our configuration. If this is the cause, you should
be seeing hardfault due to unaligned access.
I'm working on a proper fix.
In the meanwhile, can you try this to check: in `drivers/usbdev/rndis.c`
change the order of variables `response_queue_bytes` and `response_queue` so
that `response_queue` comes first:
<pre>
size_t response_queue_bytes; /* Count of bytes waiting in
response_queue. */
uint8_t response_queue[RNDIS_RESP_QUEUE_LEN];
</pre>
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