em, bge, network problems survey.

Frode Nordahl frode at nordahl.net
Thu Oct 5 22:12:44 UTC 2006


On 5. okt. 2006, at 22.05, Kris Kennaway wrote:

> On Wed, Oct 04, 2006 at 05:14:27PM -0600, Scott Long wrote:
>> All,
>>
>> I'm seeing some patterns here with all of the network driver problem
>> reports, but I need more information to help narrow it down further.
>> I ask all of you who are having problems to take a minute to fill
>> out this survey and return it to Kris Kennaway (on cc:) and myself.
>> Thanks.
>>
>> 1. Are you experiencing network hangs and/or "timeout" messages on  
>> the
>> console?  If yes, please provide a _brief_ description of the  
>> problem.
>
> OK, next question, to all em users:
>
> If your em device is using a shared interrupt, and you are NOT
> experiencing timeout problems when using this device, please let me
> know:

[ snip ]

> So far all of the em problems I have seen involve shared interrupts,
> and conversely all em systems I have seen that do not have timeout
> problems are not shared.

I am sorry to say that I have trouble with a system that does not  
have shared interrupt on the em.

It does share PCI bus with the two onboard ahc's though, but that  
hardly has anything to do with it.

# vmstat -i
interrupt                          total       rate
irq4: sio0                           398          0
irq6: fdc0                            10          0
irq16: ahc0                           16          0
irq17: ahc1                           16          0
irq20: amr0                      1439521          1
irq21: em0                       5110499          3
irq31: acpi0                      134252          0
cpu0: timer                   2689289991       1999
Total                         2695974703       2004

  # pciconf -l |grep pci1
ahc0 at pci1:4:0:  class=0x010000 card=0x00cf8086 chip=0x00cf9005  
rev=0x01 hdr=0x00
ahc1 at pci1:4:1:  class=0x010000 card=0x00cf8086 chip=0x00cf9005  
rev=0x01 hdr=0x00
pcib2 at pci1:10:0:        class=0x060400 card=0x000000dc  
chip=0x00261011 rev=0x05 hdr=0x01
em0 at pci1:11:0:  class=0x020000 card=0x10048086 chip=0x10048086  
rev=0x02 hdr=0x00

--
Frode Nordahl





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