[ovs-dev] [netdev v3 1/4] netdev: Factor restoring flags into new "struct netdev_saved_flags".

[Ben Pfaff]

On Fri, May 10, 2013 at 01:21:11PM -0400, Ed Maste wrote:
> On 10 May 2013 13:12, Ed Maste <emaste at freebsd.org> wrote:
> > Ahh, of course.  This fixes the segfaulting tests for me, but the unit
> > tests now get stuck in "tunnel - input."
> 
> Oh, and of course the reason ovs-vsctl is stuck is that ovs-vswitchd segfaulted.
> 
> #0  0x000000080164b560 in strncpy () from /lib/libc.so.7
> #1  0x000000000049ee29 in netdev_bsd_do_ioctl (netdev=0x801c231d0,
> ifr=0x7fffffffc9a0, cmd=3223349521, cmd_name=0x4d3303 "SIOCGIFFLAGS")
>     at lib/netdev-bsd.c:1480
> #2  0x000000000049eef2 in get_flags (flags=<optimized out>,
> netdev=<optimized out>) at lib/netdev-bsd.c:1389
> #3  netdev_bsd_update_flags (netdev=0x7fffffffc9a0, off=0, on=0,
> old_flagsp=0x7fffffffca24) at lib/netdev-bsd.c:1230
> #4  0x000000000044f527 in do_update_flags (netdev=0x801c22310, off=0,
> on=0, old_flagsp=0x7fffffffca6c, sfp=0x0) at lib/netdev.c:816
> #5  0x00000000004a03ea in netdev_bsd_open_system
> (netdev_dev_=0x801c231d0, netdevp=0x7fffffffcad8) at
> lib/netdev-bsd.c:412
> #6  0x000000000044fa19 in netdev_open (name=0x70e2d0 "alc0",
> type=0x4a9d1f "system", netdevp=0x7fffffffcad8) at lib/netdev.c:241
> #7  0x000000000044d366 in tunnel_get_status (netdev=<optimized out>,
> smap=0x7fffffffcb20) at lib/netdev-vport.c:226
> #8  0x0000000000406bf9 in iface_refresh_status (iface=0x801c25220) at
> vswitchd/bridge.c:1799
> #9  0x0000000000408f3b in iface_create (br=0x801cbf100,
> if_cfg=0x801c221c0, ofp_port=3) at vswitchd/bridge.c:1520
> #10 0x0000000000409335 in bridge_reconfigure_ofp () at vswitchd/bridge.c:568
> #11 0x000000000040941e in bridge_reconfigure_continue
> (ovs_cfg=0x801c1d280) at vswitchd/bridge.c:589
> #12 0x000000000040c85e in bridge_run () at vswitchd/bridge.c:2374
> #13 0x000000000040dcfa in main (argc=<optimized out>, argv=<optimized
> out>) at vswitchd/ovs-vswitchd.c:125
> (gdb) frame 0
> 
> I'm taking a look at it, just wanted to reply because my previous
> email is clearly lacking sufficient detail.

Thanks for looking into it.  I did compile the FreeBSD version of this
patch series at some point in development but obviously I didn't focus
on it.