em 6.6.6 - watchdog timeout

[Philip Murray]

On 20/10/2007, at 5:03 PM, Jeremy Chadwick wrote:

> On Sat, Oct 20, 2007 at 11:21:10AM +1300, Philip Murray wrote:
>> "me too" on a Supermicro 5015MT+, although I notice my em0 is also  
>> sharing
>> an interrupt with USB (uhci3)... not sure if that's the culprit.
>
> I'm not aware of a 5015MT+ model.  Maybe you mean 5015M-MT+ or
> 5015M-T+?
>
> We have two 5015M-T+ boxes, one running RELENG_7 and one running
> RELENG_6, and neither exhibit this problem.  Here's relevant em(4)
> information from both boxes; I do find the vmstat -i IRQ on the 2nd
> box a little odd, but operationally it seems fine.
>
> box1 (RELENG_6)
> ===============
> em0: <Intel(R) PRO/1000 Network Connection Version - 6.2.9> port  
> 0x4000-0x401f mem 0xe0200000-0xe021ffff irq 16 at device 0.0 on pci13
> em1: <Intel(R) PRO/1000 Network Connection Version - 6.2.9> port  
> 0x5000-0x501f mem 0xe0300000-0xe031ffff irq 17 at device 0.0 on pci14
>
> irq16: em0 uhci3               117371806         11
> irq17: em1                      49605005          4
>
>
> box2 (RELENG_7)
> ===============
> em0: <Intel(R) PRO/1000 Network Connection Version - 6.5.3> port  
> 0x4000-0x401f mem 0xe8000000-0xe801ffff irq 16 at device 0.0 on pci13
> em1: <Intel(R) PRO/1000 Network Connection Version - 6.5.3> port  
> 0x5000-0x501f mem 0xe8200000-0xe821ffff irq 17 at device 0.0 on pci14
>
> irq256: em0                       502854          4
> irq257: em1                         5438          0
>
>
> On box2, IRQ 16 is also shared with uhci3 and vgapci0, but vmstat
> doesn't seem to show that.
>
> uhci3: <UHCI (generic) USB controller> port 0x3060-0x307f irq 16 at  
> device 29.3 on pci0
> vgapci0: <VGA-compatible display> port 0x6000-0x60ff mem  
> 0xe0000000-0xe7ffffff,0xe8300000-0xe830ffff irq 16 at device 0.0 on  
> pci15
>

Hi Jeremy

You don't seem to be running the 6.6.6 driver, which is when the  
watchdog timeouts started occurring. Had no problems with 6.2.9.

Cheers

Phil