From owner-freebsd-bugs@FreeBSD.ORG Fri Mar 3 14:10:07 2006 Return-Path: X-Original-To: freebsd-bugs@hub.freebsd.org Delivered-To: freebsd-bugs@hub.freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id A8ED716A420 for ; Fri, 3 Mar 2006 14:10:07 +0000 (GMT) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (freefall.freebsd.org [216.136.204.21]) by mx1.FreeBSD.org (Postfix) with ESMTP id 26FA243D46 for ; Fri, 3 Mar 2006 14:10:07 +0000 (GMT) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (gnats@localhost [127.0.0.1]) by freefall.freebsd.org (8.13.4/8.13.4) with ESMTP id k23EA6Yt037748 for ; Fri, 3 Mar 2006 14:10:06 GMT (envelope-from gnats@freefall.freebsd.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.13.4/8.13.4/Submit) id k23EA6gU037747; Fri, 3 Mar 2006 14:10:06 GMT (envelope-from gnats) Date: Fri, 3 Mar 2006 14:10:06 GMT Message-Id: <200603031410.k23EA6gU037747@freefall.freebsd.org> To: freebsd-bugs@FreeBSD.org From: Mike Tancsa Cc: Subject: Re: kern/51982: [sio] sio1: interrupt-level buffer overflows X-BeenThere: freebsd-bugs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: Mike Tancsa List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 03 Mar 2006 14:10:07 -0000 The following reply was made to PR kern/51982; it has been noted by GNATS. From: Mike Tancsa To: bug-followup@FreeBSD.org, ianf@za.uu.net Cc: Subject: Re: kern/51982: [sio] sio1: interrupt-level buffer overflows Date: Fri, 03 Mar 2006 09:01:48 -0500 Setting cp4ticks = speed / 10 / hz * 40; Fixes the problem for me as well on my boxes using a 3com modem. Without the change, its a constant series of sio4: 1 more interrupt-level buffer overflow (total 3501) sio4: 3 more interrupt-level buffer overflows (total 3504) sio4: 1 more interrupt-level buffer overflow (total 3505) sio4: 1 more interrupt-level buffer overflow (total 3506) sio4: 2 more interrupt-level buffer overflows (total 3508) sio4: 2 more interrupt-level buffer overflows (total 3510) sio4: 8 more interrupt-level buffer overflows (total 3518) sio4: 11 more interrupt-level buffer overflows (total 3529) sio4: 1 more interrupt-level buffer overflow (total 3530) sio4: 16 more interrupt-level buffer overflows (total 3546) sio4: 10 more interrupt-level buffer overflows (total 3556) sio4: 16 more interrupt-level buffer overflows (total 3572) sio4: 4 more interrupt-level buffer overflows (total 3576) sio4: 16 more interrupt-level buffer overflows (total 3592) sio4: 1 more interrupt-level buffer overflow (total 3593) sio4: 3 more interrupt-level buffer overflows (total 3596) while doing a file transfer over the dialup connection at 42Kb/s Copyright (c) 1992-2006 The FreeBSD Project. Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994 The Regents of the University of California. All rights reserved. FreeBSD 6.1-PRERELEASE #1: Thu Mar 2 23:41:19 EST 2006 root@test.sentex.ca:/usr/obj/usr/src/sys/gas Timecounter "i8254" frequency 1193182 Hz quality 0 CPU: VIA C3 Nehemiah+RNG+ACE (796.77-MHz 686-class CPU) Origin = "CentaurHauls" Id = 0x698 Stepping = 8 Features=0x381b03f real memory = 232718336 (221 MB) avail memory = 218222592 (208 MB) npx0: [FAST] npx0: on motherboard npx0: INT 16 interface acpi0: on motherboard acpi0: Power Button (fixed) Timecounter "ACPI-fast" frequency 3579545 Hz quality 1000 acpi_timer0: <24-bit timer at 3.579545MHz> port 0x408-0x40b on acpi0 cpu0: on acpi0 acpi_button0: on acpi0 acpi_button1: on acpi0 pcib0: port 0xcf8-0xcff on acpi0 pci0: on pcib0 agp0: mem 0xf8000000-0xf9ffffff at device 0.0 on pci0 pcib1: at device 1.0 on pci0 pci1: on pcib1 pci1: at device 0.0 (no driver attached) puc0: port 0xe700-0xe707 irq 7 at device 8.0 on pci0 sio4: on puc0 sio4: type 16550A sio4: unable to activate interrupt in fast mode - using normal mode rl0: port 0xd000-0xd0ff mem 0xfc000000-0xfc0000ff irq 12 at device 10.0 on pci0 miibus0: on rl0 rlphy0: on miibus0 rlphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto rl0: Ethernet address: 00:03:1d:02:0b:fd pci0: at device 11.0 (no driver attached) atapci0: port 0xee00-0xee07,0xef00-0xef03,0xe400-0xe407,0xe500-0xe503,0xe600-0xe60f,0xd400-0xd4ff irq 12 at device 15.0 on pci0 ata2: on atapci0 ata3: on atapci0 atapci1: port 0x1f0-0x1f7,0x3f6,0x170-0x177,0x376,0xe800-0xe80f at device 15.1 on pci0 ata0: on atapci1 ata1: on atapci1 uhci0: port 0xe900-0xe91f irq 7 at device 16.0 on pci0 uhci0: [GIANT-LOCKED] usb0: on uhci0 usb0: USB revision 1.0 uhub0: VIA UHCI root hub, class 9/0, rev 1.00/1.00, addr 1 uhub0: 2 ports with 2 removable, self powered uhci1: port 0xea00-0xea1f irq 7 at device 16.1 on pci0 uhci1: [GIANT-LOCKED] usb1: on uhci1 usb1: USB revision 1.0 uhub1: VIA UHCI root hub, class 9/0, rev 1.00/1.00, addr 1 uhub1: 2 ports with 2 removable, self powered uhci2: port 0xeb00-0xeb1f irq 12 at device 16.2 on pci0 uhci2: [GIANT-LOCKED] usb2: on uhci2 usb2: USB revision 1.0 uhub2: VIA UHCI root hub, class 9/0, rev 1.00/1.00, addr 1 uhub2: 2 ports with 2 removable, self powered uhci3: port 0xec00-0xec1f irq 12 at device 16.3 on pci0 uhci3: [GIANT-LOCKED] usb3: on uhci3 usb3: USB revision 1.0 uhub3: VIA UHCI root hub, class 9/0, rev 1.00/1.00, addr 1 uhub3: 2 ports with 2 removable, self powered pci0: at device 16.4 (no driver attached) pci0: at device 16.5 (no driver attached) isab0: at device 17.0 on pci0 isa0: on isab0 pci0: at device 17.5 (no driver attached) vr0: port 0xe000-0xe0ff mem 0xfc004000-0xfc0040ff irq 7 at device 18.0 on pci0 miibus1: on vr0 ukphy0: on miibus1 ukphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto vr0: Ethernet address: 00:03:1d:02:0a:fd acpi_tz0: on acpi0 fdc0: port 0x3f2-0x3f5,0x3f7 irq 6 drq 2 on acpi0 fdc0: [FAST] sio0: <16550A-compatible COM port> port 0x3f8-0x3ff irq 4 flags 0x10 on acpi0 sio0: type 16550A, console sio1: <16550A-compatible COM port> port 0x2f8-0x2ff irq 3 on acpi0 sio1: type 16550A sio2: <16550A-compatible COM port> port 0x3e8-0x3ef irq 5 on acpi0 sio2: type 16550A sio3: <16550A-compatible COM port> port 0x2e8-0x2ef irq 11 on acpi0 sio3: type 16550A atkbdc0: port 0x60,0x64 irq 1 on acpi0 atkbd0: irq 1 on atkbdc0 kbd0 at atkbd0 atkbd0: [GIANT-LOCKED] sc0: at flags 0x100 on isa0 sc0: VGA <16 virtual consoles, flags=0x300> vga0: at port 0x3c0-0x3df iomem 0xa0000-0xbffff on isa0 Timecounter "TSC" frequency 796771027 Hz quality 800 Timecounters tick every 1.000 msec Fast IPsec: Initialized Security Association Processing. ipfw2 (+ipv6) initialized, divert loadable, rule-based forwarding enabled, default to accept, logging limited to 9100 packets/entry by default ad0: 38166MB at ata0-master UDMA100 Trying to mount root from ufs:/dev/ad0s1a -------------------------------------------------------------------- Mike Tancsa, tel +1 519 651 3400 Sentex Communications, mike@sentex.net Providing Internet since 1994 www.sentex.net Cambridge, Ontario Canada www.sentex.net/mike