Panic involving e1000-4.x modified driver.

[Barry Gowan]

Hi,
I'm getting regular and reproducible kernel panics
on a fairly simple click configuration 2.4.18 kernel
and using a 4 port optical e1000 card (82544EI). 

I know that the panic trace below does not include a
Click polling function but perhaps someone could tell
me whether or not the Click polling extensions have
caused the panic? The cards are in polling mode when
the panic happens. 

thanks,
BG.

>>EIP; e0805744 <[e1000]e1000_smbus_lock+ac8/64ab>  
<=====
Trace; e080226f <[e1000].text.start+20f/2c1c>
Trace; c0108dfd <free_irq+8d/b0>
Trace; c0115d68 <printk+128/140>
Trace; c01bb92a <qdisc_restart+1da/260>
Trace; c011d546 <del_timer_sync+406/e00>
Trace; c011d9b6 <del_timer_sync+876/e00>
Trace; c011a35b <tasklet_kill+db/110>
Trace; c011a21b <__tasklet_hi_schedule+13b/170>
Trace; c0119fbb <do_softirq+7b/e0>
Trace; c0108cbd <enable_irq+18d/1a0>
Trace; c0105400 <enable_hlt+10/1a0>
Trace; c0105400 <enable_hlt+10/1a0>
Trace; c010b088 <disable_irq_nosync+1c48/3010>
Trace; c01071d8 <__read_lock_failed+121c/27c4>
Trace; c01054b2 <enable_hlt+c2/1a0>
Trace; c0115bbb <panic+74b/7d0>
Trace; c0115d68 <printk+128/140>
Code;  e0805744 <[e1000]e1000_smbus_lock+ac8/64ab>
00000000 <_EIP>:
Code;  e0805744 <[e1000]e1000_smbus_lock+ac8/64ab>  
<=====
   0:   0f 0b                     ud2a      <=====
Code;  e0805746 <[e1000]e1000_smbus_lock+aca/64ab>
   2:   eb 3d                     jmp    41
<_EIP+0x41> e0805785 
<[e1000]e1000_smbus_lock+b09/64ab>
Code;  e0805748 <[e1000]e1000_smbus_lock+acc/64ab>
   4:   8b 06                     mov    (%esi),%eax
Code;  e080574a <[e1000]e1000_smbus_lock+ace/64ab>
   6:   8b 40 08                  mov   
0x8(%eax),%eax
Code;  e080574d <[e1000]e1000_smbus_lock+ad1/64ab>
   9:   c7 86 98 00 00 00 00      movl  
$0x0,0x98(%esi)
Code;  e0805754 <[e1000]e1000_smbus_lock+ad8/64ab>
  10:   00 00 00
Code;  e0805757 <[e1000]e1000_smbus_lock+adb/64ab>
  13:   b9 00 00 00 00            mov    $0x0,%ecx

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