em, bge, network problems survey.
Kris Kennaway
kris at obsecurity.org
Thu Oct 5 21:45:08 UTC 2006
On Thu, Oct 05, 2006 at 11:17:33PM +0200, O. Hartmann wrote:
> 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
You don't appear to be using the em driver. Can you confirm?
Kris
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