Hi, On Wed, May 4, 2011 at 5:38 PM, Jack Vogel <jfvo...@gmail.com> wrote: > I have had my validation engineer busy all day, we have tried both > a 9 kernel as well as 8.2, using the code from HEAD, and we > cannot reproduce this problem. > Actually, it can be trivially reproduced by tainting `error'. As it is uninitialized in HEAD, it's value can be _anything_, so let's mark it as explicitly invalid.
diff -u ./if_em.c /data/src/freebsd/em-7.2.2/src/if_em.c --- ./if_em.c 2011-02-18 01:18:23.000000000 -0500 +++ /data/src/freebsd/em-7.2.2/src/if_em.c 2011-05-05 01:12:01.000000000 -0400 @@ -3912,7 +3912,7 @@ struct adapter *adapter = rxr->adapter; struct em_buffer *rxbuf; bus_dma_segment_t seg[1]; - int i, j, nsegs, error; + int i, j, nsegs, error = -1; The error pointed out in this thread pops up in the next boot. - Arnaud > The data your netstat -m shows suggests to me that what's happening > is somehow setup of the receive ring is running more than once maybe?? > > You asked at one point how this could go into STABLE, well, because > not only here at Intel, but at lots of external customers this code has been > used and tested thoroughly. > > I am not calling into question your problem, but until I understand what it > is I cannot "fix" it :) > > The thing I am guessing right now is the culprit is the setup code, the > reason > is that when I ported to the igb driver I found that it did not work on our > newer > hardware, and so I went back to the older version of setup for igb. Now, > even > though I have not seen hardware fail with em, maybe there is some. > > To help me give me a complete pciconf -lv, and if its a namebrand system > tell me that, including all hardware in it. > > If you like Olivier I can make a version of em for you that also reverts the > setup code the way I did for igb, see if that fixes it for you? > > Thanks for your patience, > > Jack > _______________________________________________ > freebsd-current@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-current > To unsubscribe, send any mail to "freebsd-current-unsubscr...@freebsd.org" > _______________________________________________ freebsd-current@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-current To unsubscribe, send any mail to "freebsd-current-unsubscr...@freebsd.org"