From owner-freebsd-current Fri Sep 12 10:25:47 1997 Return-Path: Received: (from root@localhost) by hub.freebsd.org (8.8.7/8.8.7) id KAA20619 for current-outgoing; Fri, 12 Sep 1997 10:25:47 -0700 (PDT) Received: from Kitten.mcs.com (Kitten.mcs.com [192.160.127.90]) by hub.freebsd.org (8.8.7/8.8.7) with ESMTP id KAA20605 for ; Fri, 12 Sep 1997 10:25:41 -0700 (PDT) Received: from Jupiter.Mcs.Net (karl@Jupiter.mcs.net [192.160.127.88]) by Kitten.mcs.com (8.8.5/8.8.2) with ESMTP id MAA11349; Fri, 12 Sep 1997 12:25:35 -0500 (CDT) Received: (from karl@localhost) by Jupiter.Mcs.Net (8.8.7/8.8.2) id MAA02800; Fri, 12 Sep 1997 12:25:35 -0500 (CDT) Message-ID: <19970912122533.15113@Jupiter.Mcs.Net> Date: Fri, 12 Sep 1997 12:25:33 -0500 From: Karl Denninger To: "Rodney W. Grimes" Cc: Karl Denninger , current@FreeBSD.ORG Subject: Re: Problems? References: <19970912094231.48481@Jupiter.Mcs.Net> <199709121718.KAA20751@GndRsh.aac.dev.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Mailer: Mutt 0.64 In-Reply-To: <199709121718.KAA20751@GndRsh.aac.dev.com>; from Rodney W. Grimes on Fri, Sep 12, 1997 at 10:18:09AM -0700 Sender: owner-freebsd-current@FreeBSD.ORG X-Loop: FreeBSD.org Precedence: bulk On Fri, Sep 12, 1997 at 10:18:09AM -0700, Rodney W. Grimes wrote: > > Hi foolks, > > > > Anyone got an idea what this means? > > > > de1: abnormal interrupt: transmit underflow (raising TX threshold to 96|256) > > de1: abnormal interrupt: transmit underflow (raising TX threshold to 8|512) > > de1: abnormal interrupt: transmit underflow (raising TX threshold to 1024) > > de1: abnormal interrupt: transmit underflow (switching to store-and-forward > > mode > > It means that the DC21xxx chip could not bus master data out of memory > fast enough to keep up with the transmit stream. I note in your dmesg > your using the bus master IDE driver, does the problem go away when you > turn this off. If so you are experiencing PCI bus mastering saturation, > if not then I don't know what is causing it :-(. > > Ooopsss.... you don't seem to have any devices hooked to that PIIX3, > any other busy PCI devices? Oh wait, you seem to have heavily edited > the dmesg output, what I can't see I can't use to try and explain > where the problem might be :-( Copyright (c) 1992-1997 FreeBSD Inc. Copyright (c) 1982, 1986, 1989, 1991, 1993 The Regents of the University of California. All rights reserved. FreeBSD 3.0-CURRENT #0: Tue Sep 9 19:20:42 CDT 1997 karl@Codebase.mcs.net:/usr/src/sys/compile/MCS_STANDARD CPU: Pentium Pro (199.43-MHz 686-class CPU) Origin = "GenuineIntel" Id = 0x619 Stepping=9 Features=0xfbff real memory = 134217728 (131072K bytes) avail memory = 128565248 (125552K bytes) Probing for devices on PCI bus 0: Correcting Natoma config for non-SMP chip0: rev 0x02 on pci0.0.0 chip1: rev 0x01 on pci0.7.0 ide_pci0: rev 0x00 on pci0.7.1 de0: rev 0x22 int a irq 9 on pci0.10.0 de0: SMC 9332BDT 21140A [10-100Mb/s] pass 2.2 de0: address 00:e0:29:09:96:32 de1: rev 0x22 int a irq 10 on pci0.11.0 de1: SMC 9332BDT 21140A [10-100Mb/s] pass 2.2 de1: address 00:e0:29:09:94:7d ahc0: rev 0x00 int a irq 11 on pci0.12.0 ahc0: aic7880 Wide Channel, SCSI Id=7, 16 SCBs ahc0: waiting for scsi devices to settle scbus0 at ahc0 bus 0 sd0 at scbus0 target 0 lun 0 sd0: type 0 fixed SCSI 2 sd0: Direct-Access 2170MB (4445380 512 byte sectors) sd0: with 5899 cyls, 5 heads, and an average 150 sectors/track sd1 at scbus0 target 1 lun 0 sd1: type 0 fixed SCSI 2 sd1: Direct-Access 1006MB (2061108 512 byte sectors) sd1: with 2700 cyls, 9 heads, and an average 84 sectors/track sd2 at scbus0 target 3 lun 0 sd2: type 0 fixed SCSI 2 sd2: Direct-Access 4095MB (8386733 512 byte sectors) sd2: with 3992 cyls, 19 heads, and an average 110 sectors/track vga0: rev 0x00 on pci0.14.0 Probing for devices on the ISA bus: sc0 at 0x60-0x6f irq 1 on motherboard sc0: VGA color <16 virtual consoles, flags=0x0> ed0 not found at 0x280 ed1 not found at 0x300 sio0 at 0x3f8-0x3ff irq 4 on isa sio0: type 16550A sio1 at 0x2f8-0x2ff irq 3 on isa sio1: type 16550A sio2: disabled, not probed. sio3: disabled, not probed. lpt0 at 0x378-0x37f irq 7 on isa lpt0: Interrupt-driven port lp0: TCP/IP capable interface lpt1 not found fdc0 at 0x3f0-0x3f7 irq 6 drq 2 on isa fdc0: NEC 72065B fd0: 1.44MB 3.5in wdc0 not found at 0x1f0 aha0 not found at 0x330 aic0 not found at 0x340 npx0 on motherboard npx0: INT 16 interface ccd0-3: Concatenated disk drivers de1: enabling 100baseTX port de0: enabling 10baseT port There's one disk adapter and two Fast Ethernet cards on the bus (including one at 100BaseTX); other than that, nothing. de0 doesn't produce this, but its running 10BaseT. de1 does, and its running in fast mode. Any other ideas? -- -- Karl Denninger (karl@MCS.Net)| MCSNet - Serving Chicagoland and Wisconsin http://www.mcs.net/~karl | T1's from $600 monthly to FULL DS-3 Service | NEW! K56Flex modem support is now available Voice: [+1 312 803-MCS1 x219]| 56kbps DIGITAL ISDN DOV on analog lines! Fax: [+1 312 803-4929] | 2 FULL DS-3 Internet links; 400Mbps B/W Internal