Hello All ,
We were trying to write virtual serial port driver which sends data over ethernet.
Driver has a threads to recieve messages from peer(sock_recvmsg) which will populate the ldiscs recieve buffer , so if when application calls the drivers read method data will be available
when the driver write method is invoked sock_write is used to send packets over ethernet
This driver is tested with normal application reading data from the a file and sending over ethernet but when we start ppp over the device
pppd "/dev/virtualdrvrport(0) " -detach debug
ppp hangs after pinging few packets with error
sleeping function called from invalid context at net/core/sock.c
in_atomic():1,irqs_diabled():0
__might_sleep +0x8a/0x94
tcp_sendmsg + 0x12/0x9d6
Does any one know what could be the reason?
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Thanks in Advance,
John Endeavor