[Bug 185427] [igb] [panic] freebsd 8.4, 9.1 and 9.2 panic Double-Fault with intel 82576 igb driver

[bugzilla-noreply at freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=185427

--- Comment #8 from napTu at front.ru ---
Sean Bruno, yes, possible 32 bit specific problem. 
Now, one of hosts work with FreeBSD10.2 amd64 and I can try again igb netcard.


Eugen,

FreeBSD8.4 host use only routing, without mpd, without NAT, WITH NETFLOW.
FreeBSD9.x host use routing with NAT and NetFlow, without mpd also.

net.isr.dispatch: direct

and simple tuning:
rc.local:sysctl net.inet.ip.fw.one_pass=0
rc.local:sysctl net.inet.tcp.blackhole=2
rc.local:sysctl net.inet.udp.blackhole=1
rc.local:sysctl kern.ipc.nmbclusters=32768

loader.conf:
ipfw_load="YES"
ipfw_nat_load="YES"
ipdivert_load="YES"
libalias_load="YES"
dummynet_load="YES"

8.4 host modules:
# kldstat
Id Refs Address    Size     Name
 1   37 0x80400000 bb5f84   kernel
 2    1 0x80fb6000 50ea0    if_em.ko
 3    1 0x86490000 3000     ng_eiface.ko
 4    9 0x86493000 b000     netgraph.ko
 5    1 0x86523000 4000     ng_bridge.ko
 6    1 0x86532000 4000     ng_ether.ko
 7    1 0x86536000 7000     ng_netflow.ko
 8    1 0x8653d000 5000     ng_ksocket.ko
 9    1 0x865c2000 4000     ng_car.ko
10    1 0x865c6000 2000     ng_ipfw.ko
11    1 0x87af7000 4000     ng_socket.ko
12    1 0x87b7e000 3000     ng_tee.ko
13    1 0x93416000 1d000    nfsclient.ko
14    1 0x93433000 3000     nfslock.ko
15    1 0x93436000 2000     nfs_common.ko
16    1 0x93438000 13000    krpc.ko

9.x host modules
# kldstat
Id Refs Address            Size     Name
 1   39 0xffffffff80200000 179ddb0  kernel
 2    1 0xffffffff8199e000 2f9b00   zfs.ko
 3    2 0xffffffff81c98000 6048     opensolaris.ko
 4    4 0xffffffff81c9f000 21a60    ipfw.ko
 5    1 0xffffffff81cc1000 7a40     ipfw_nat.ko
 6    2 0xffffffff81cc9000 16f70    libalias.ko
 7    1 0xffffffff81ce0000 8578     ipdivert.ko
 8    1 0xffffffff81ce9000 19a80    dummynet.ko
 9    1 0xffffffff81e11000 7430     ng_netflow.ko
10    6 0xffffffff81e19000 b9db     netgraph.ko
11    1 0xffffffff81e25000 4ae1     ng_ksocket.ko
12    1 0xffffffff81e2a000 40fa     ng_ether.ko
13    1 0xffffffff81e2f000 3c48     ng_eiface.ko
14    1 0xffffffff81e33000 3832     ng_socket.ko
15    1 0xffffffff81e37000 17d7     ng_tee.ko

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