Date: Fri, 06 Oct 2006 11:21:32 +0200 From: "O. Hartmann" <ohartman@uni-mainz.de> To: Kris Kennaway <kris@obsecurity.org> Cc: "O. Hartmann" <ohartman@mail.uni-mainz.de>, freebsd-stable@freebsd.org Subject: Re: em, bge, network problems survey. Message-ID: <4526201C.7060304@uni-mainz.de> In-Reply-To: <20061005214505.GA81829@xor.obsecurity.org> References: <45244053.6030706@samsco.org> <20061005200552.GA80162@xor.obsecurity.org> <4525766D.5060004@mail.uni-mainz.de> <20061005214505.GA81829@xor.obsecurity.org>
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Kris Kennaway wrote: > 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 positive.
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