Date: Thu, 05 Oct 2006 23:17:33 +0200 From: "O. Hartmann" <ohartman@mail.uni-mainz.de> Cc: freebsd-stable@freebsd.org Subject: Re: em, bge, network problems survey. Message-ID: <4525766D.5060004@mail.uni-mainz.de> In-Reply-To: <20061005200552.GA80162@xor.obsecurity.org> References: <45244053.6030706@samsco.org> <20061005200552.GA80162@xor.obsecurity.org>
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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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