em, bge, network problems survey.

O. Hartmann ohartman at mail.uni-mainz.de
Thu Oct 5 21:17:52 UTC 2006


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:
>
> dalki# vmstat -i
> interrupt                          total       rate
> irq4: sio0                          2071          0
> irq6: fdc0                            10          0
> irq14: ata0                           47          0
> irq20: ahd0                        21755          4
> irq23: em0                        124751         23 <-- not a shared interrupt
> irq24: ahd1                           15          0
> cpu0: timer                     10453509       1999
> Total                           10602158       2027
>
> tyan# vmstat -i
> interrupt                          total       rate
> irq14: ata0                           58          0
> irq16: em0 fxp1                   332832        851 <-- shared interrupt
> irq18: fxp0                          973          2
> irq19: atapci1                    132883        339
> cpu0: timer                       774308       1980
> cpu1: timer                       777136       1987
> Total                            2018190       5161
>
> 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.
>
> Kris
>
>   
And so looks mine, FreeBSD 6.2-PRE/AMD64,
high I/O on disks and I/O on net renders this box unusuable ...


thor# vmstat -i
interrupt                          total       rate
irq1: atkbd0                       12437          1
irq6: fdc0                            27          0
irq12: psm0                       335285         42
irq14: ata0                          215          0
irq17: fwohci0                         1          0
irq20: atapci1                    102616         12
irq21: ohci0+                          2          0
irq22: nve0 ehci0                7594338        956
irq23: pcm0                        41007          5
cpu0: timer                     31752206       3999
Total                           39838134       5018


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