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Re: kern/42455: tstile hang with nfs


>>  >  I added some more debug lines and figured out that the macro
>>  >  nfsm_wcc_data() drops the mbuf chain w/o decreasing
>>  >  ctxt.nwc_mbufcount.
>>  The nfsm_wcc_data() macro calls the nfsm_postop_attr() macro.
>>  The nfsm_postop_attr() macro calls nfsm_loadattrcache() function.
>>  The nfsm_loadattrcache() function calls nfsm_disct() function.
>>  nfsm_disct() is the function in error which drops the mbuf chain.

are you sure?
iirc, nwc_mbufcount is about sending mbuf.  otoh, nfsm_disct is for
received mbuf.  i guess that the ancient macros confused you.


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