[Click] e1000 related kernel panic

[Barry Gowan]

Hi
I have click working with intel-based 2 port fiber
GigE cards. 
I get the following panic when the cables are
unplugged during a test where, say, 30k packets per
second are getting bounced between two boxes. 

>>EIP; e08bec20 <[e1000]e1000_smbus_lock+b10/9e9b>  
<=====
Trace; e08bb293 <[e1000].text.start+233/30b0>
Trace; c0108dfd <free_irq+8d/b0>
Trace; e08bb205 <[e1000].text.start+1a5/30b0>
Trace; c011d546 <del_timer_sync+406/e00>
Trace; e08bcf39 <[e1000].text.start+1ed9/30b0>
Trace; c0115bbb <panic+74b/7d0>
Trace; c01bb8c0 <qdisc_restart+170/260>
Trace; c01bb92a <qdisc_restart+1da/260>
Trace; c011a21b <__tasklet_hi_schedule+13b/170>
Trace; c0119fbb <do_softirq+7b/e0>
Trace; c0108cbd <enable_irq+18d/1a0>
Trace; c010b088 <disable_irq_nosync+1c48/3010>
Code;  e08bec20 <[e1000]e1000_smbus_lock+b10/9e9b>
00000000 <_EIP>:
Code;  e08bec20 <[e1000]e1000_smbus_lock+b10/9e9b>  
<=====
   0:   0f 0b                     ud2a      <=====
Code;  e08bec22 <[e1000]e1000_smbus_lock+b12/9e9b>
   2:   eb 3d                     jmp    41
<_EIP+0x41> e08bec61 
<[e1000]e1000_smbus_lock+b51/9e9b>
Code;  e08bec24 <[e1000]e1000_smbus_lock+b14/9e9b>
   4:   8b 06                     mov    (%esi),%eax
Code;  e08bec26 <[e1000]e1000_smbus_lock+b16/9e9b>
   6:   8b 40 08                  mov   
0x8(%eax),%eax
Code;  e08bec29 <[e1000]e1000_smbus_lock+b19/9e9b>
   9:   c7 86 98 00 00 00 00      movl  
$0x0,0x98(%esi)
Code;  e08bec30 <[e1000]e1000_smbus_lock+b20/9e9b>
  10:   00 00 00
Code;  e08bec33 <[e1000]e1000_smbus_lock+b23/9e9b>
  13:   b9 00 00 00 00            mov    $0x0,%ecx

One side of the test had just the following loopback
configuration:

p1:: PollDevice(eth1)-> c1:: Counter-> q1::
SimpleQueue -> td1:: ToDevice(eth2)
p2:: PollDevice(eth2)-> c2:: Counter-> q2::
SimpleQueue -> td2:: ToDevice(eth1)

- and I got a very similar panic when the cable was
pulled.  
Can anyone tell me what might be happening?

cheers, 
BG


________________________________________________________________________
Want to chat instantly with your online friends?  Get the FREE Yahoo!
Messenger http://mail.messenger.yahoo.co.uk