Re: if_fwe and interrupts weirdness in current (maybe cardbus related ?)

At Mon, 16 Dec 2002 15:35:10 +0100,
Sameh Ghane wrote:
> Everything worked fine (at least, I thought it did), even in bridge mode (on the
> workstation) !
> 
> After a few minutes, communication became unidirectional: the laptop was able to
> receive data from the WS, but the WS seemed not to receive anything from the
> laptop (tcpdump showed that the laptop correctly answered to ARP requests, but
> the WS never received them).
> 
> The fix is just to plug out and in again the IEEE1394 cable.

I have reproduced similar problem. Did you use NFS when the problem
occured? I think the laptop's TX buffer is stalled. 

> firewire0: start AT DMA status=0
> firewire0: unrecoverable error

NFS seems to generate mbuf with zero data size and this stops
some OHCI chips with unrecoverable error.
I have committed a fix to -current. Could you copy -current's
/sys/dev/firewire and /sys/modules/firewire then test it?

I have no idea about your strange EUI64 problem yet.

/\ Hidetoshi Shimokawa
\/  [email protected]
PGP public key: http://www.sat.t.u-tokyo.ac.jp/~simokawa/pgp.html
 

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