Pawel Jakub Dawidek wrote:
Hi.
I configured NAT (using pf(4)) on my laptop:
MacOSX (Tiger) <-----> ath0[my laptop]bge0 <-----> local machine
When I started downloading few files on Mac from "local machine" via FTP
in parallel I got this panic after few minutes (I was able to reproduce it):
panic: bus_dmamap_load_sg: no mbuf packet header!
And the backtrace:
panic()
bus_dmamap_load_sg()+0x2a
ath_start()+0x2ae
taskqueue_run()+0xaf
taskqueue_swi_run()+0x13
ithread_loop()
...
Any ideas?
I'm guessing you hand-transcribed stuff since there are typos (e.g.
bus_dmamap_load_mbuf_sg is not called from ath_start but is called from
ath_tx_start which is called from ath_start). This indicates the mbuf
chain is malformed (missing a packet header). Since the packet is
apparently coming in via pf you might want to look there.
Sam
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