Date: Thu, 5 Oct 2006 17:45:05 -0400 From: Kris Kennaway <kris@obsecurity.org> To: "O. Hartmann" <ohartman@mail.uni-mainz.de> Cc: freebsd-stable@freebsd.org Subject: Re: em, bge, network problems survey. Message-ID: <20061005214505.GA81829@xor.obsecurity.org> In-Reply-To: <4525766D.5060004@mail.uni-mainz.de> References: <45244053.6030706@samsco.org> <20061005200552.GA80162@xor.obsecurity.org> <4525766D.5060004@mail.uni-mainz.de>
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--0F1p//8PRICkK4MW Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable 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: > > =20 > >> All, > >> > >> I'm seeing some patterns here with all of the network driver problem= =20 > >> 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= =20 > >> console? If yes, please provide a _brief_ description of the problem. > >> =20 > > > > 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 in= terrupt > > 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 > > > > =20 > And so looks mine, FreeBSD 6.2-PRE/AMD64, > high I/O on disks and I/O on net renders this box unusuable ... >=20 >=20 > 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 --0F1p//8PRICkK4MW Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.5 (FreeBSD) iD8DBQFFJXzhWry0BWjoQKURAipYAJ0SJDKFKILgk9li2cnqS1lrfoGlnACgzxTj whR+fTpaKzf09NIYf6109ZI= =Vpsi -----END PGP SIGNATURE----- --0F1p//8PRICkK4MW--
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