DICE_NO_REPLY error

[Ronald Aigner]

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Hello Michael,

Michael Scheibel wrote on 21.07.2006 17:20 this:
> Running the generated stubs we noticed that ~0.89% of the IPC transactions 
> fail. In such a case the parameters passed to the server still contain their 
> initialization values on return. The client trace says "ipc error c0" and the 
> server trace says "DICE_NO_REPLY".
IPC error code 0xc0 is "IPC: Receive operation aborted". This usually
only occurs if the thread's state is changed (using the l4_exregs system
call). My first guess is that either server or client are L4Linux
applications and L4Linux is changing the thread state. That would
axplain the "ipc error c0". Because the IPC is aborted, the parameters
are not overwritten and thus still contain their initial values.

HTH, Ron.
- --
Mit freundlichen Gruessen / with regards
ra3 @ inf.tu-dresden.de
http://os.inf.tu-dresden.de/~ra3/
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